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AMD Radeon HD 6970

Graphics Processor
Cayman
Cores
1536
TMUs
96
ROPs
32
Memory Size
2 GB
Memory Type
GDDR5
Bus Width
256 bit
GPU Chip
GPU
PCB Front
PCB Front
PCB Back
PCB Back
The Radeon HD 6970 was a performance graphics card by AMD, launched in December 2010. Built on the 40 nm process, and based on the Cayman graphics processor, in its Cayman XT variant, the card supports DirectX 11.2. The Cayman graphics processor is a large chip with a die area of 389 mm² and 2,640 million transistors. It features 1536 shading units, 96 texture mapping units and 32 ROPs. AMD has placed 2,048 MB GDDR5 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 880 MHz, memory is running at 1375 MHz.
Being a dual-slot card, the AMD Radeon HD 6970 draws power from 1x 6-pin + 1x 8-pin power connectors, with power draw rated at 250 W maximum. Display outputs include: 2x DVI, 1x HDMI, 2x mini-DisplayPort. Radeon HD 6970 is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card measures 267 mm in length, and features a dual-slot cooling solution. Its price at launch was 369 US Dollars.

Graphics Processor

GPU Name
Cayman
GPU Variant
Cayman XT
(215-0807007)
Architecture
TeraScale 3
Foundry
TSMC
Process Size
40 nm
Transistors
2,640 million
Die Size
389 mm²

Graphics Card

Release Date
Dec 14th, 2010
Generation
Northern Islands
(HD 6900)
Production
End-of-life
Launch Price
369 USD
Bus Interface
PCIe 2.0 x16
Reviews
80 in our database

Relative Performance

5%
GeForce 210
6%
GeForce 9400 GT
8%
Radeon HD 4550
10%
Radeon HD 5450
12%
Radeon HD 6450
12%
GeForce GT 520
15%
GeForce GT 220
20%
GeForce GT 430
20%
Radeon HD 5570
22%
Radeon HD 4670
23%
GeForce GT 440
23%
GeForce GT 240
27%
GeForce 9600 GT
29%
Radeon HD 5670
31%
GeForce GT 640
32%
GeForce 9800 GT
33%
Radeon HD 6670
34%
Radeon HD 4830
36%
Radeon HD 4770
38%
Radeon HD 4850
39%
GeForce GTS 250
40%
GeForce GTS 450
42%
Radeon HD 5750
48%
Radeon HD 7750
48%
Radeon HD 5770
49%
GeForce GTX 260
49%
Radeon HD 4870
49%
Radeon Vega 8
50%
GeForce GTX 550 Ti
50%
GeForce GTX 650
53%
Radeon HD 5830
56%
Radeon HD 6790
57%
Radeon HD 4890
59%
GeForce GTX 460
60%
Radeon RX Vega 11
60%
GeForce GT 1030
61%
GeForce GTX 275
61%
Radeon HD 7770 GHz Edition
61%
GeForce GTX 280
62%
GeForce GTX 465
65%
Radeon HD 6850
67%
GeForce GTX 285
71%
Radeon HD 5850
73%
GeForce GTX 650 Ti
73%
Radeon HD 7790
76%
Radeon RX 550
76%
GeForce GTX 470
79%
Radeon HD 6870
84%
Radeon HD 5870
87%
GeForce GTX 560 Ti
87%
Radeon HD 4870 X2
89%
GeForce GTX 750 Ti
89%
Radeon HD 6950
92%
GeForce GTX 295
93%
GeForce GTX 650 Ti Boost
94%
Radeon HD 7850
96%
GeForce GTX 480
100%
Radeon HD 6970
102%
Radeon R7 265
104%
Radeon R7 370
104%
Radeon RX 560
104%
GeForce GTX 660
104%
GeForce GTX 570
113%
GeForce GTX 950
114%
Radeon HD 7870 GHz Edition
116%
Radeon R9 270X
118%
GeForce GTX 660 Ti
118%
GeForce GTX 580
119%
GeForce GTX 1050
119%
Radeon HD 7950
122%
Radeon RX 460
122%
Radeon HD 5970
125%
GeForce GTX 760
135%
GeForce GTX 670
138%
GeForce GTX 960
142%
Radeon R9 380
143%
Radeon R9 285
144%
Radeon HD 7970
146%
GeForce GTX 680
149%
GeForce GTX 1050 Ti
153%
GeForce GTX 770
156%
Radeon HD 6990
160%
Radeon R9 280X
162%
GeForce GTX 590
163%
Radeon HD 7970 GHz Edition
180%
GeForce GTX 780
198%
Radeon RX 470
201%
Radeon R9 290
214%
Radeon R9 390
216%
Radeon R9 290X
218%
GeForce GTX 970
221%
GeForce GTX TITAN
223%
Radeon RX 570
224%
GeForce GTX 780 Ti
227%
Radeon R9 390X
228%
Radeon HD 7990
230%
Radeon RX 480
232%
GeForce GTX 690
244%
Radeon RX 580
249%
GeForce GTX 980
252%
GeForce GTX 1060 6 GB
252%
Radeon R9 FURY
253%
Radeon RX 590
277%
Radeon R9 295X2
282%
Radeon R9 FURY X
287%
GeForce GTX 980 Ti
308%
GeForce GTX TITAN X
324%
GeForce GTX 1660 Ti
325%
GeForce GTX 1070
340%
Radeon RX Vega 56
368%
GeForce GTX 1070 Ti
378%
Radeon RX Vega 64
378%
GeForce RTX 2060
387%
GeForce GTX 1080
445%
Radeon VII
445%
GeForce RTX 2070
466%
TITAN X Pascal
478%
GeForce GTX 1080 Ti
517%
GeForce RTX 2080
598%
GeForce RTX 2080 Ti
Based on TPU review data: "Performance Summary" at 1920x1080

Clock Speeds

GPU Clock
880 MHz
Memory Clock
1375 MHz
5500 MHz effective

Memory

Memory Size
2 GB
Memory Type
GDDR5
Memory Bus
256 bit
Bandwidth
176.0 GB/s

Render Config

Shading Units
1536
TMUs
96
ROPs
32
Compute Units
24
L1 Cache
16 KB (per CU)
L2 Cache
512 KB

Theoretical Performance

Pixel Rate
28.16 GPixel/s
Texture Rate
84.48 GTexel/s
FP32 (float) performance
2.703 TFLOPS
FP64 (double) performance
675.8 GFLOPS (1:4)

Board Design

Slot Width
Dual-slot
Length
10.5 inches
267 mm
TDP
250 W
Outputs
2x DVI
1x HDMI
2x mini-DisplayPort
Power Connectors
1x 6-pin + 1x 8-pin
Board Number
C200-47

Graphics Features

DirectX
11.2 (11_0)
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Shader Model
5.0

Cayman GPU Notes

Architecture Codename: Northern Islands
Graphics/Compute: GFX5
Display Core Engine: 5.0
Unified Video Decoder: 3.1

Retail boards based on this design (18)

Name GPU Clock Memory Clock Other Changes
ASUS HD 6970 DirectCU II 890 MHz 1375 MHz 11.7 inches/297 mm, Triple-slot, 2x DVI 4x DisplayPort
ASUS HD 6970 OC 890 MHz 1375 MHz 11 inches/279 mm
GIGABYTE HD 6970 OC 900 MHz 1375 MHz 11.417 inches/290 mm, 2x DVI 1x HDMI 1x DisplayPort
GIGABYTE HD 6970 OC2 920 MHz 1450 MHz 11.417 inches/290 mm, 2x DVI 1x HDMI 1x DisplayPort
HIS HD 6970 Fan Turbo 900 MHz 1400 MHz 11.26 inches/286 mm
HIS HD 6970 IceQ Mix 880 MHz 1375 MHz 11.61 inches/295 mm
HIS HD 6970 IceQ Turbo 900 MHz 1400 MHz 11.61 inches/295 mm
MSI HD 6970 Lightning 940 MHz 1375 MHz 12.2 inches/310 mm
PowerColor HD 6970 Devil 13 960 MHz 1425 MHz 11.5 inches/292 mm
PowerColor HD 6970 LCS 925 MHz 1425 MHz 10.827 inches/275 mm
PowerColor HD 6970 PCS+ 940 MHz 1425 MHz 10.827 inches/275 mm
Sapphire HD 6970 Battlefield Vietnam 880 MHz 1375 MHz 10.63 inches/270 mm
Sapphire HD 6970 Dual Fan 880 MHz 1375 MHz 9.8 inches/249 mm
Sapphire HD 6970 Dual-X 880 MHz 1375 MHz 10.55 inches/268 mm
Sapphire HD 6970 FleX 880 MHz 1375 MHz 10.63 inches/270 mm
Sapphire HD 6970 FleX BF3 Edition 930 MHz 1375 MHz 10.63 inches/270 mm
VTX3D HD 6970 X-Edition 940 MHz 1425 MHz
XFX HD 6970 880 MHz 1375 MHz 11.3 inches/287 mm