AMD Radeon HD 6850 1440SP Edition vs AMD Radeon HD 6970 X2
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
Unknown
Generation
Northern Islands
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1000 MHz
1375 MHz
Memory
Memory Size
1024MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
128.0GB/s
176.0GB/s
Render Config
Compute Units
18
24
Shading Units
1440
1536
TMUs
72
96
ROPs
32
32
L1 Cache
8 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
23.20 GPixel/s
28.16 GPixel/s
Texture Rate
52.20 GTexel/s
84.48 GTexel/s
FP32 (float)
2.088 TFLOPS
2.703 TFLOPS
FP64 (double)
417.6 GFLOPS
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Graphics Processor
GPU Name
Cypress
Antilles
GPU Variant
Cypress PRO(215-0735043)
Antilles XT(215-0807027)
Architecture
TeraScale 2
TeraScale 3
Foundry
TSMC
TSMC
Process Size
40 nm
40 nm
Transistors
2.154 billion
2.64 billion
Die Size
334 mm²
389 mm²
Board Design
TDP
151W
375W
Suggested PSU
450 W
750 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 6-pin
3x 8-pin
Graphics Features
DirectX
11.2 (11_0)
11.2 (11_0)
OpenGL
4.4
4.4
OpenCL
1.2
1.2
Vulkan
N/A
N/A
Shader Model
5.0
5.0