ATI Radeon HD 2600 PRO vs AMD Radeon HD 6870 X2
We compared two Desktop platform GPUs: 256MB VRAM ATI Radeon HD 2600 PRO and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 2600 PRO 's Advantages
Lower TDP (35W vs 300W)
AMD Radeon HD 6870 X2 's Advantages
Released 4 years and 1 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (134.4GB/s vs 16.00GB/s)
1000 additional rendering cores
Score
Benchmark
FP32 (float)
ATI Radeon HD 2600 PRO
0.144 TFLOPS
Radeon HD 6870 X2
+1300%
2.016 TFLOPS
Graphics Card
Jun 2007
Release Date
Jul 2011
Radeon R600
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
500 MHz
Memory Clock
1050 MHz
Memory
256MB
Memory Size
1024MB
DDR2
Memory Type
GDDR5
128bit
Memory Bus
256bit
16.00GB/s
Bandwidth
134.4GB/s
Render Config
3
Compute Units
14
-
-
-
120
Shading Units
1120
8
TMUs
56
4
ROPs
32
-
-
-
-
-
-
-
L1 Cache
8 KB (per CU)
64 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
2.400 GPixel/s
Pixel Rate
28.80 GPixel/s
4.800 GTexel/s
Texture Rate
50.40 GTexel/s
-
-
-
144.0 GFLOPS
FP32 (float)
2.016 TFLOPS
-
-
-
Board Design
35W
TDP
300W
200 W
Suggested PSU
700 W
2x DVI
1x S-Video
Outputs
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
None
Power Connectors
-
Graphics Processor
RV630
GPU Name
Barts
RV630 PRO
(215CDBBKA15FG)
GPU Variant
Barts XT
(215-0798000)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
65 nm
Process Size
40 nm
0.39 billion
Transistors
1.7 billion
153 mm²
Die Size
255 mm²
Graphics Features
10.0 (10_0)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
N/A
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
4.0
Shader Model
5.0
