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GPU Comparison
AMD Radeon HD 6870 vs ATI Radeon HD 2600 PRO
AMD Radeon HD 6870 vs ATI Radeon HD 2600 PRO
VS
AMD Radeon HD 6870
ATI Radeon HD 2600 PRO
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 256MB VRAM ATI Radeon HD 2600 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6870 's Advantages
Released 3 years and 4 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (134.4GB/s vs 16.00GB/s)
1000 additional rendering cores
ATI Radeon HD 2600 PRO 's Advantages
Lower TDP (35W vs 151W)
Score
Benchmark
FP32 (float)
Radeon HD 6870
+1300%
2.016 TFLOPS
ATI Radeon HD 2600 PRO
0.144 TFLOPS
Radeon HD 6870
VS
ATI Radeon HD 2600 PRO
Graphics Card
Oct 2010
Release Date
Jun 2007
Northern Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
500 MHz
Memory
1024MB
Memory Size
256MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
128bit
134.4GB/s
Bandwidth
16.00GB/s
Render Config
-
SM Count
-
14
Compute Units
3
1120
Shading Units
120
56
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
64 KB
Theoretical Performance
28.80 GPixel/s
Pixel Rate
2.400 GPixel/s
50.40 GTexel/s
Texture Rate
4.800 GTexel/s
-
FP16 (half)
-
2.016 TFLOPS
FP32 (float)
144.0 GFLOPS
-
FP64 (double)
-
Graphics Processor
Barts
GPU Name
RV630
Barts XT (215-0798000)
GPU Variant
RV630 PRO (215CDBBKA15FG)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
65 nm
1.7 billion
Transistors
0.39 billion
255 mm²
Die Size
153 mm²
Board Design
151W
TDP
35W
450 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
2x DVI 1x S-Video
2x 6-pin
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
10.0 (10_0)
4.4
OpenGL
3.3
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.0
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