ATI Radeon HD 2600 PRO vs Radeon HD 6850 X2
We compared two Desktop platform GPUs: 256MB VRAM ATI Radeon HD 2600 PRO and 2GB VRAM Radeon HD 6850 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 254W)
Radeon HD 6850 X2 's Advantages
Released 4 years and 3 months late
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (134.4GB/s vs 16.00GB/s)
840 additional rendering cores
Score
Benchmark
FP32 (float)
ATI Radeon HD 2600 PRO
144
Radeon HD 6850 X2
+966%
1536
Graphics Card
Jun 2007
Release Date
Sep 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
2GB
DDR2
Memory Type
GDDR5
128bit
Memory Bus
256bit
16.00GB/s
Bandwidth
134.4GB/s
Render Config
3
Compute Units
12
120
Shading Units
960
8
TMUs
48
4
ROPs
32
-
L1 Cache
8 KB (per CU)
64 KB
L2 Cache
512 KB
Theoretical Performance
2.400 GPixel/s
Pixel Rate
25.60 GPixel/s
4.800 GTexel/s
Texture Rate
38.40 GTexel/s
144.0 GFLOPS
FP32 (float)
1.536 TFLOPS
Board Design
35W
TDP
254W
200 W
Suggested PSU
600 W
2x DVI
1x S-Video
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
None
Power Connectors
2x 8-pin
Graphics Processor
RV630
GPU Name
Barts
RV630 PRO
(215CDBBKA15FG)
GPU Variant
Barts PRO
(215-0798006)
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
