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主流显卡核心的挖矿效率简要对比:

ATI系列显卡
HD 6570 | 速率 78.5 MHash/S
HD 6670 | 速率 96.9 MHash/S
HD 6750 | 速率 156.3 MHash/S
HD 6770 | 速率 182.3 MHash/S
HD 6790 | 速率 182.5 MHash/S
HD 5870 | 速率 343.2 MHash/S
HD 6950 | 速率 299.3 MHash/S
HD 6970 | 速率 355.1 MHash/S
HD 6990 | 速率 714.8 MHash/S
HD 7950 | 速率 453.7 MHash/S
HD 7970 | 速率 566.2 MHash/S
HD 7990 | 速率 1073.5 MHash/S
NVIDIA系列显卡
GTX 285 | 速率 56.1 MHash/S
GTX 460 | 速率 71.1 MHash/S
GTX 570 | 速率 124.2 MHash/S
GTX TITAN | 速率 302.4 MHash/S

在挖矿的效率对比上,同样价格的N系列显卡完全比不上A系列显卡,这是由显卡的设计架构决定的。

ATI (AMD) GPUs

Model

kHash/s

Watts

Clock

Mem Clock

Miner

Notes

4770

18

?

830 MHz

850 MHz

cgminer 2.6.3

threads=1 intensity=10

4850

74-80

?

625 MHz

993 MHz

cgminer 2.11.4

GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 threads=1 intensity=13 temp=64C Windows 7 64-bit

4850

90

?

625 MHz

993 MHz

cgminer 2.11.4

GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 threads=1 intensity=14 temp=68C Windows 7 64-bit

4850

100

?

625 MHz

993 MHz

cgminer 2.11.4

GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 threads=1 intensity=15 temp=71C Windows 7 64-bit

4850

110

110

650 MHz

993 MHz

guiminer-scrypt v0.03/cgminer

Threads=1 Worksize=128 Vectors=1 Thread_concurrency=3200 Intensity=16 Extra flags: --gpu-engine 650 --gpu-memclock 993 -auto-fan

4870

127

?

830 MHz

490 MHz

cgminer 2.6.3

GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 fan=100 voltage=1.25 memclock=490 engine=830 engineshaders=800 thread-concurrency=6144 lookup-gap=2 threads=1 intensity=15 temp=62C Xubuntu 12.04 x64 repo ATI drivers and SDK 2.6http://goo.gl/vP3G9

4890

145

?

835 MHz

575 MHz

cgminer 2.7.5

Powercolor HD4890 113-B79002-103 Win 7 x64 Catalyst 12.4 SDK 2.7 72 C Fanspeed 55% VDDC 1.312 --thread-concurrency 6400 --gpu-threads 1 --intensity 15 --lookup-gap 2 --worksize 128 --no-submit-stale --auto-fan --temp-target 75 --gpu-engine 835-835 --gpu-memclock 575

5450

21.6

?

891 MHz

875 MHz

cgminer 2.11.3

--intensity 18 --lookup-gap 2 --shaders 80 --worksize 256 // Arch linux, Catalyst 13.1-4

5750

179

?

870 MHz

1428 MHz

cgminer 2.11.3

--intensity 16 -g 1 --thread-concurrency 4320 --lookup-gap 2 --worksize 256 GPU overclocked via MSI Afterburner, at stock ~143 kHash/s, Win7 x64

5770

167

?

725 MHz

1100 MHz

cgminer 2.6.1

--shaders 800 --intensity 18 --worksize 256 --lookup-gap 2 --auto-gpu --auto-fan @ Debian Linux

5770

210

?

910 MHz

1250 MHz

Reaper V13 Beta 4 x644

256Work, Agg 17, 4 GPU Threads, Win7 x64

5830

282

?

850 MHz

1250 MHz

cgminer 2.6.4

GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 fan=auto memclock=1250 engine=950 lookup-gap=2 threads=1 intensity=20

5830

290

?

875 MHz

1200 MHz

Reaper v13 Beta

Worksize 64, Aggression 18

5830

303

?

917 MHz

1250 MHz

cgminer 2.11.3

Ubuntu Server 12.04 x64, driver 11.11, APP SDK 2.5, GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 fan=auto memclock=1250 engine=917 lookup-gap=2 threads=1 intensity=20 shaders=1120 thread_concurrency=5600

5850

290

?

790 MHz

1100 MHz

Reaper v13 Beta 4 x86

256 Worksize, Aggression 15, gpu_thread_concurrency 6500, BAMT Linux x86, Catalyst 12.6, SDK 2.6

5850

312

?

775 MHz

1000 MHz

Reaper v13 Beta 4 x64

256 Worksize, Aggression 18, gpu_thread_concurrency 6500, Win7 x64, Catalyst 12.6, SDK 2.6

5850

383

?

900 MHz

1000 MHz

Reaper v13 Beta 4 x64

256 Worksize, Aggression 18, gpu_thread_concurrency 6500, Win7 x64, Catalyst 12.6, SDK 2.6

5850

396

?

930 MHz

1179 MHz

GUIMiner-scrypt alpha - latest version 04/13

128 Worksize, Intensity 19, gpu_thread_concurrency 5824, Win7 x64, Catalyst 13.1, SDK 2.5, ASUS EAH DIRECTCU, very stable at these settings for this card

5850

400.9

170

944 MHz

1180 MHz

cgminer-2.11.3-win32

cgminer --scrypt -o --worksize 256 --lookup-gap 2 --thread-concurrency 5760 -g 1 --intensity 19 (Stale .50-1%). Win7 x64, 13.2B7ccc, SDK 13.2B7 supplied, pekv2

5850

400.9

170

944 MHz

1180 MHz

cgminer-2.11.3-win32

cgminer --scrypt -o --worksize 256 --lookup-gap 2 --thread-concurrency 5760 -g 1 --intensity 19 (Stale .50-1%). Win7 x64, 13.2B7ccc, SDK 13.2B7 supplied, pekv2

5870

226

?

850 MHz

1200 MHz

Reaper v13 Beta

--

5870

310

?

920 MHz

1250 MHz

Reaper v13 Beta

XFX board, 5 GPU Threads @ Aggression 18

5870

338

?

725 MHz

1200 MHz

cgminer 2.6.1

--shaders 1600 --intensity 18 --worksize 256 --lookup-gap 2 --auto-fan --auto-gpu @ Debian Linux

5870

400

?

850 MHz

1200 MH

cgminer 2.11.3

cgminer --scrypt -o --shaders 1600 --intensity 18 --worksize 256 -g 1 --thread-concurrency 7168

5870

435

?

900 MHz

1300 MHz

cgminer 2.11.3 via guiminer scrypt

sapphire card, 1 gpu thread, 7500 thread concurrency, agression 18, worksize 256, win 7 64-bit

5870

440

?

970 MHz

1200 MHz

Reaper v13 Beta

Refference card, 5 GPU Threads @ Aggression 18

5970

750

?

900 MHz

1100 MHz

Reaper v13 Beta

5 GPU Threads @ Aggression 17

5970

760

?

800 MHz

1000 MHz

Reaper v13 Beta

worksize 256 @ aggression 16 @ threads_per_gpu 1 @ sharethreads 10 @ lookup_gap 2 @ gpu_thread_concurrency 5632

5970

800

?

844 MHz

1250 MHz

cgminer 2.11.3

Ubuntu Server 12.04 x64, driver 11.11, APP SDK 2.5, GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 fan=auto memclock=1250 engine=944 lookup-gap=2 threads=1 intensity=20 shaders=1600 thread_concurrency=8000 worksize=128

6320

5

?

600 MHz

600 MHz

cgminer 2.11.3

Intensity 9

6320

14

?

600 MHz

1333 MHz

cgminer 2.11.3

I12, Worksize 64 (E-450 APU, Shared Memory)

6450

16

?

720 MHz

1000 MHz

Reaper v13 Beta 4

worksize 64, aggression max, threads_per_gpu 2, sharethreads 6, lookup_gap 2, gpu_thread_concurrency 640,

6450

23-24

?

625 MHz

667 MHz

cgminer 2.11.3

--intensity 9 --worksize 64 -g 1 (Proof:http://i.imgur.com/WMX3iI6.png )

6570

55

?

650 MHz

900 MHz

cgminer version 2.10.5

@ 256 Worksize @ Aggression 16 @ gpu_thread_concurrency 5760

6570

84

?

stock

stock

GUIMiner scrypt 0.03, Reaper v13 beta 4

Worksize: 256, Thread concurrency: 5760, Intensity: 16, Vectors: 1, GPU threads: 2

6750

160

?

735 MHz

1150 MHz

GUIMiner-scrypt alpha v0.2

@ 128 Worksize @ intensity 16 @ gpu_thread_concurrency 4096 @ i GPU thread @ 1 Vector

6770

210

?

950 MHz

1300 MHz

Reaper v13 Beta

@ 256 Worksize @ Aggression 16 @ gpu_thread_concurrency 3100

6770

143

?

800 MHz

1100 MHz

Reaper v13 Beta 4

@ 256 Worksize @ Aggression 11 @ gap 2 @ gpu_thread_concurrency 3096 // MSI Default Clock

6770

200

?

950 MHz

1000 MHz

cgminer

export GPU_USE_SYNC_OBJECTS=1 ; export GPU_MAX_ALLOC_PERCENT=100 ; --scrypt --worksize 256 --lookup-gap 2 --thread-concurrency 8192 -g 1 --intensity 18 ; Gentoo x64, driver 12.6, SDK 2.7

6850

216

?

800 MHz

1025 MHz

Reaper v13 Beta 4 x64

256 Worksize, Aggression 18, gpu_thread_concurrency 6144, Win7 x64, Catalyst 12.6, SDK 2.6

6850

260 - 313

?

835 MHz

1100 MHz

cgminer 2.11.4

256 Worksize, Aggression 18, gpu_thread_concurrency 6144, Win8 x64, Catalyst 13.1

6850

259

?

925 MHz

1025 MHz

Reaper v13 Beta

2 GPU Threads @ 256 Worksize @ Aggression 17

6850

271

?

945 MHz

1005 MHz

Reaper v13 Beta

2 GPU Threads @ 128 Worksize @ Aggression 17

6850

261

250W (load)

920 MHz

1100 MHz

cgminer 2.11.4

-I 17 --worksize 128 --shaders 960 --thread-concurrency 6144

6870

320

?

900 MHz

800 MHz

cgminer

export GPU_USE_SYNC_OBJECTS=1 ; export GPU_MAX_ALLOC_PERCENT=100 ; --scrypt --worksize 256 --lookup-gap 2 --thread-concurrency 8192 -g 1 --intensity 19 ; Gentoo x64, driver 12.6, SDK 2.7

6870

355

?

1050 MHz

1150 MHz

cgminer 2.7.5

XFX Black Edition 113-687AZNB-10 Win 7 x64 Catalyst 12.4 SDK 2.7 75 C Fanspeed 70% VDDC 1.250 --thread-concurrency 6720 --gpu-threads 1 --intensity 18 --lookup-gap 2 --worksize 64 --no-submit-stale --auto-fan --temp-target 75 --gpu-engine 1050-1050 --gpu-memclock 1150

6930

392

?

1000 MHz

900 MHz

cgminer

export GPU_USE_SYNC_OBJECTS=1 ; export GPU_MAX_ALLOC_PERCENT=100 ; --scrypt --worksize 256 --lookup-gap 2 --thread-concurrency 8192 -g 1 --intensity 18 ; Gentoo x64, driver 12.6, SDK 2.7

6950

398

?

800 MHz

1350 MHz

Reaper v13 Beta

Stock Shaders @ Aggression 18, gpu_thread_concurrency 5632

6950

420

220

840 MHz

1325 MHz

cgminer 2.11.4 win7

--worksize 256 --lookup-gap 2 --thread-concurrency 7040 -g 1 --intensity 19

6950

425

?

860 MHz

1450 MHz

cgminer 2.11.4

stock shaders, thread_concurrency=8064, Intensity=18 , worksize was 256 by default, 4GB RAM, VisionTek 1GB 6950

6950

445

?

890 MHz

1300 MHz

Reaper v13 Beta 4

Stock Shaders @ 256 Worksize, Aggression 19, gpu_thread_concurrency 8192

6950

450

?

840 MHz

1250 MHz

Reaper v13 Beta 1

aggression 16 threads_per_gpu 2 sharethreads 10 lookup_gap 2 gpu_thread_concurrency 6144 /zhezhe

6950

450

250

900 MHz

1375 MHz

cgminer 2.11.4 win7

--worksize 256 --lookup-gap 2 --gpu-engine 900 --gpu-memclock 1375 --thread-concurrency 7040 -g 1 --intensity 19

6950

484

?

920 MHz

1300 MHz

Reaper v13 Beta 4

Shaders Unlocked (not 6970 bios), 256 Worksize, Aggression 18, threads_per_gpu 2, sharethreads 4, lookup_gap 2, gpu_thread_concurrency 6144, long_polling yes

6950

508.5

?

950 MHz

1320 MHz

Reaper v13 Beta 4

aggression 18 threads_per_gpu 2 (4 when cpu mining prevents loss of hashrate with all cpu cores fully loaded) worksize 256 sharethreads 4 lookup_gap 2 gpu_thread_concurrency 8144 Sapphire toxic 1536 SP

6950

522

?

955 MHz

1270 MHz

Reaper v13 Beta 4

Shaders Unlocked (not 6970 bios) @ 256 Worksize, Aggression 19, gpu_thread_concurrency 8192

6970

427

?

900 MHz

1375 MHz

cgminer v 2.11.4

--scrypt --worksize 256 -g 2 -I 15 --lookup-gap 2 --gpu-engine 900 --gpu-memclock 1375 --shaders 1564 -- Card is a Gigabyte GV-R697OC-2GD, Temp: 67.0°C, Catalyst 13.1 Proof:http://img402.imageshack.us/img402/6034/13914411.jpg

6970

480.3

?

880MHz

1450 MHz

Reaper v13 Beta 4

worksize: 256, vectors: 1, aggression: 20, threads per gpu: 1, sharethreads: 32, lookup gap: 2, gpu thread concurrency: 16256, Win 7 x64, 13.1 drivers, Fan set at 90%, week average- steady around 478-482 throughout, temperature 70 degrees C, room ambient is 18 degrees C,

6970

512

~245

945 MHz

1525 MHz

CgMiner 2.11.4

Win 7 x86 Catalyst 12.4 SDK 2.7

6990

800 - 900

~435

880 MHz

5000 MHz

Reaper v13 Beta 4

aggression 17 / threads_per_gpu 1 worksize 256 / sharethreads 24 / lookup_gap 2 / gpu_thread_concurrency 8144 (stale ~ 6,5%) (100% fan Arctic Cooling Accelero Twin Turbo 6990)

6990x2

1580 - 1780

~880

880 MHz

5000 MHz

Reaper v13 Beta 4

aggression 17 / threads_per_gpu 1 worksize 256 / sharethreads 24 / lookup_gap 2 / gpu_thread_concurrency 8144 (stale ~ 4,5%) (100% fan Arctic Cooling Accelero Twin Turbo 6990)

7660G

49

?

686 MHz

686 MHz

cgminer 2.11.4

--thread-concurrency 2096 -I 15 -g 1 -w 64

7750

98

?

800 MHz

800 MHz

cgminer

Intensity: 11

7750

141

~55

800 MHz

1125 MHz

cgminer 2.11.3

GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 --scrypt --intensity 11 --shaders 512 --gpu-threads 2 --worksize 64, Kubuntu 12.04 amd64, Catalyst 13.1, default clocks, desktop fully usable. Higher or lower intensity is useless. Proof:http://i.imgur.com/V3zbcjU.png

7750 x2

355

~110

1000 MHz

1300 MHz

cgminer 2.11.3

GPU_MAX_ALLOC_PERCENT=100 --scrypt --intensity 11 --shaders 512 --gpu-threads 2 --worksize 64, Win7 x64 amd A8 black edition, Catalyst 13.1, MSI AB O/C to 1000/1300, thanks to the guy above me for most of the settings

7770

~150

?

1000 MHz

1125 MHz

cgminer 2.11.4

--intensity 12 --temp-target 69 --auto-fan --auto-gpu

7770

140

?

1000 MHz

1125 MHz

Reaper v13 Beta 4

@ 256 Worksize @ Aggression 16 @ threads_per_gpu 1 @ sharethreads 2 @ lookup_gap 2 @ gpu_thread_concurrency 6144 // Default Clock

7770

170

100

965 MHz

1250 MHz

Reaper v13 Beta 4

worksize 256 aggression 18 threads_per_gpu 1 sharethreads 24 lookup_gap 2 gpu_thread_concurrency 8000

7790

207

75

1000 MHz

1600 MHz

cgminer 2.11.3

Intensity 17 @ gpu_thread_concurrency 8000

7790

244

65

830 MHz

1500 MHz

cgminer 2.11.3

-I 17 --worksize 128 --thread-concurrency 8000 --gpu-engine 830 --gpu-memclock 1500 -G 1

7850

345

?

950 MHz

600 MHz

Reaper v13 Beta 4

Intensity 19 (8192 threads) (Only stable/fast at intensity 11(4500)/12(5000)/19(8192))

7850

350

?

1000 MHz

1350 MHz

cgminer 2.10.5

Intensity 13 (any higher gives lower hashrate) all other cgminer settings are default

7850

350

?

1000 MHz

1300 MHz

cgminer 2.11.3

Intensity 17, voltage 1.0v

7850

382

130

1120 MHz

1250 MHz

cgminer 2.11.4

-I 17 --worksize 256 --thread-concurrency 8192 -v 1 --shaders 1024 (Win7 x64, Catalyst 13.1, Athlon64 X2 4000+ 2.1GHz, RAM 2Gb, HIS 7850 2Gb)

7850

385

?

1120 MHz

1300 MHz

cgminer 2.11.4

--intensity 19 --thread-concurrency 27164 (Win7 x64, Catalyst 13.1, A10-5800K 3.8GHz, RAM 8Gb, ASUS 7850 2Gb V2, use GPU_MAX_ALLOC_PERCENT 100 & GPU_USE_SYNC_OBJECTS 1)

7850

411

?

1200 MHz

1365 MHz

cgminer 2.11.4

--gpu-engine 1200 --gpu-memclock 1365 --gpu-fan 25-55 --thread-concurrency 16000 --shaders 1024 --intensity 19 (Win7 x64, Catalyst 13.1, A10-5800K 3.8GHz, RAM 8Gb, ASUS 7850 2Gb V2, use GPU_MAX_ALLOC_PERCENT 100 & GPU_USE_SYNC_OBJECTS 1)

7850

411

?

1200 MHz

1365 MHz

cgminer 2.11.3

-I 19 --worksize 256 --thread-concurrency 16000 --gpu-engine 1200 --gpu-memclock 1365 -G 1

7870

~381kH/s

?

810 MHz

1450 MHz

Reaper v13 Beta

(SAPPHIRE 7870 GHZ EDITION, Windows 7 x64, Catalyst 13.3 Beta) (GPU Temp 65C, FAN 61%) worksize 256, intensity 18, threads_per_gpu 1, sharethreads 20, lookup_gap: 2, thread_concurrency 15232

7870 Ghz

394kH/s

?

925 MHz

1375 MHz

cgminer 2.11.4

TC 14208, WS 256, Intensity 19, G 1

7870 Ghz Interactive

~385kH/s

?

1190 MHz

1500 MHz

cgminer 2.11.4

Intensity 12, , tc: 8192, g: 2, lg: 2, ws: 256

7870 Ghz Interactive

400kH/s 350WU/m

?

1300 MHz

1500 MHz

cgminer 2.11.3

Intensity 12, voltage 1.219v, tc: 8192, g: 2, lg: 2, ws: 256

7870 Ghz Overnight

425

?

1000 MHz

1500 MHz

cgminer 2.11.3

Intensity 18, voltage 1.219v, tc: 15232, g: 1, lg: 2, ws: 256

7870 Ghz Overnight

438

?

1140 MHz

1450 MHz

cgminer 2.11.4

Intensity 19, tc: 14208, lg: 2, ws: 256

7950

~600

?

1000 MHz

1250 MHz

cgminer 2.11.4

-I 20 --thread-concurrency 24768 --worksize 256 Win7, 13.3 beta drivers (Currently running avg : 1.2 Mh/s with 2x).

7950

~610

?

1000 MHz

1500 MHz

cgminer

--shaders 1792 -I 20 -w 256 --lookup-gap 2 --thread-concurrency 24000 -g 1 Win7, 13.2 drivers (Currently running avg : 1.2 Mh/s with 2x).

7950

~620

?

1025 MHz

1480 MHz

Reaper v13 Beta 4

256 Worksize, vectors 1, Aggression 18, threads_per_gpu 1, sharethreads 32, lookup_gap 2, gpu_thread_concurrency 24576. Win7, 13.2 drivers, 1100mV, 1025core, 1480mem (Currently running 1200+ kh/s with 2x).

7950

631

?

1100 MHz

1500 MHz

cgminer 2.11.4

--shaders 1792 -I 19 -w 256 --lookup-gap 2 --thread-concurrency 24000 -g 1 Windows 7, Catalyst 13.2, temps sitting at 77/78c with fan on 100%

7950

655

?

1075 MHz

1650 MHz

cgminer 2.11.13

--shaders 1792 --gpu-engine 1075 --gpu-memclock 1650 --temp-target 75 -I 20 -w 256 --lookup-gap 2 --thread-concurrency 21712 -g 1 Win8, 13.3 beta drivers

7950

550

?

1000 MHz

1450 MHz

Reaper v13 Beta 4

@ 256 Worksize @ vectors 1 @ Aggression 20 @ threads_per_gpu 1 @ sharethreads 32 @ lookup_gap 2 @ gpu_thread_concurrency 24576

7950

617

?

1050 MHz

1575 MHz

reaper v13 beta 4

Aggression 20, GPU Thread Concurrency: 24768, Vectors: 1, Lookup Gap: 2, Work Size: 256, Share Threads: 32, Threads Per GPU: 1, avg temp: 83 degrees C (air conditioned server room - ambient 18 degrees), 13.1 drivers, Win7 x64, fan speed set to 90%, is an XFX Black Edition (Factory OC'd- and then tweaked with MSI AfterBurner)- speed quoted is average over a week.

7970

522

250w TDP

950 MHz

1700 MHz

Reaper v13 Beta 4

@ 256 Worksize @ vectors 1 @ Aggression 13 @ threads_per_gpu 1 @ sharethreads 32 @ lookup_gap 2 @ gpu_thread_concurrency 24576 -- RAM OC'd to 1866MHz (Affect unknown), 13.2 drivers. A higher aggression results in lag and a lower rate. Full build:http://pcpartpicker.com/p/CLNL Would love to see the magic formula for 600KHash/s+

7970

525

?

1050 MHz

1900 MHz

cgminer 2.11.4

-g 2 -I 18 -w 256 --gpu-powertune 20 --lookup-gap 2 --shaders 2048 --gpu-memclock 1900 --gpu-engine 1050. Card is XFX Radeon HD 7970 Double D 3GB DDR5 2XmDP HDMI

7970

682

204W

1000 MHz

1600 MHz

cgminer 2.10.4

--shaders 2048 --thread-concurrency 8192 -I 13 -g 2 -w 256 Card is a Gigabyte GV-R797OC-3GD, Catalyst 12.10. Wattage measured approx. with killawatt-ez. Operating temp is 72C. OC done with MSi Afterburner. GUI interaction/100% cpu lowers hashrate slightly.

7970

580

?

1170 MHz

1600 MHz

Reaper v13 Beta 4

@ 256 Worksize @ vectors 1 @ Aggression 13 @ threads_per_gpu 1 @ sharethreads 28 @ lookup_gap 2 @ gpu_thread_concurrency 24576, 13.1 drivers. -- Gigabyte GV-R797OC-3GD (GPU & RAM overclocked)

7970

750

?

1130 MHz

1900 MHz

cgminer v 2.11.3

--scrypt --gpu-engine 1130 --gpu-memclock 1900 --shaders 2048 --thread-concurrency 8192 -I 13 -g 2 -w 256 -- Diamond reference card, full watercooled block, running at 1.150V @ 43C. Proof: http://imm.io/12eCR

7970

750

?

1085 MHz

1500 MHz

cgminer v 2.11.2

--scrypt --worksize 256 -g 2 -I 13 --lookup-gap 2 --gpu-engine 1085 --gpu-memclock 1500 --shaders 2048 -- Card is a Gigabyte GV-R797OC-3GD, Temp: 70.0°C, 1.170V, Catalyst 13.1

7970

769

?

1100 MHz

1500 MHz

cgminer v 2.11.4

--scrypt --worksize 256 -g 2 -I 13 --lookup-gap 2 --gpu-engine 1100 --gpu-memclock 1500 --shaders 2048 -- Card is a Gigabyte GV-R797TO-3GD, Temp: 82.0°C, 1.250V, Catalyst 13.1 Proof:http://img402.imageshack.us/img402/6034/13914411.jpg

7970x2

1415

?

1035 MHz

1650 MHz

cgminer v 2.11.4

--scrypt --shaders 2048 --thread-concurrency 8192 -I 13 -g 2 -w 256 2 Gigabyte Windforce cards, air cooled. Top card 85C, bottom card 66C. Catalyst 13.1. Display Driver 9.12. Proof: http://i.imgur.com/lKHVJXN.png

 

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