AMD Radeon HD 6970 X2 vs AMD Radeon HD 6870 X2

GPU · Specs Compare

Products
GPU AMD Radeon HD 6970 X2 AMD
GPU AMD Radeon HD 6870 X2 AMD · 2011-07
Graphics Card
Release Date
Unknown
Jul 2011
Generation
Northern Islands
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1375 MHz
1050 MHz
Memory
Memory Size
2GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
176.0GB/s
134.4GB/s
Render Config
Compute Units
24
14
Shading Units
1536
1120
TMUs
96
56
ROPs
32
32
L1 Cache
8 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
28.16 GPixel/s
28.80 GPixel/s
Texture Rate
84.48 GTexel/s
50.40 GTexel/s
FP32 (float)
2.703 TFLOPS
2.016 TFLOPS
Graphics Processor
GPU Name
Antilles
Barts
GPU Variant
Antilles XT(215-0807027)
Barts XT(215-0798000)
Architecture
TeraScale 3
TeraScale 2
Foundry
TSMC
TSMC
Process Size
40 nm
40 nm
Transistors
2.64 billion
1.7 billion
Die Size
389 mm²
255 mm²
Board Design
TDP
375W
300W
Suggested PSU
750 W
700 W
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
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
▲ Specs Compare Data sourced from official specifications and benchmark tests.