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GPU Comparison
AMD Radeon HD 6870 X2 vs ATI Radeon HD 5670
AMD Radeon HD 6870 X2 vs ATI Radeon HD 5670
VS
AMD Radeon HD 6870 X2
ATI Radeon HD 5670
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 1024MB VRAM Radeon HD 5670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6870 X2 's Advantages
Released 1 years and 6 months late
Larger VRAM bandwidth (134.4GB/s vs 64.00GB/s)
720 additional rendering cores
ATI Radeon HD 5670 's Advantages
Lower TDP (64W vs 300W)
Score
Benchmark
FP32 (float)
Radeon HD 6870 X2
+225%
2.016 TFLOPS
Radeon HD 5670
0.62 TFLOPS
Radeon HD 6870 X2
VS
Radeon HD 5670
Graphics Card
Jul 2011
Release Date
Jan 2010
Northern Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
1000 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
134.4GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
14
Compute Units
5
1120
Shading Units
400
56
TMUs
20
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
28.80 GPixel/s
Pixel Rate
6.200 GPixel/s
50.40 GTexel/s
Texture Rate
15.50 GTexel/s
-
FP16 (half)
-
2.016 TFLOPS
FP32 (float)
620.0 GFLOPS
-
FP64 (double)
-
Graphics Processor
Barts
GPU Name
Redwood
Barts XT (215-0798000)
GPU Variant
Redwood XT (215-0757002)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
0.627 billion
255 mm²
Die Size
104 mm²
Board Design
300W
TDP
64W
700 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
-
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
5.0
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