ATI Radeon HD 2600 PRO vs Radeon HD 4870
We compared two Desktop platform GPUs: 256MB VRAM ATI Radeon HD 2600 PRO and 512MB VRAM Radeon HD 4870 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 150W)
Radeon HD 4870 's Advantages
Released 1 years late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (115.2GB/s vs 16.00GB/s)
680 additional rendering cores
Score
Benchmark
FP32 (float)
ATI Radeon HD 2600 PRO
144
Radeon HD 4870
+733%
1200
Graphics Card
Jun 2007
Release Date
Jun 2008
Radeon R600
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
500 MHz
Memory Clock
900 MHz
Memory
256MB
Memory Size
512MB
DDR2
Memory Type
GDDR5
128bit
Memory Bus
256bit
16.00GB/s
Bandwidth
115.2GB/s
Render Config
3
Compute Units
10
120
Shading Units
800
8
TMUs
40
4
ROPs
16
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
256 KB
Theoretical Performance
2.400 GPixel/s
Pixel Rate
12.00 GPixel/s
4.800 GTexel/s
Texture Rate
30.00 GTexel/s
144.0 GFLOPS
FP32 (float)
1200 GFLOPS
-
FP64 (double)
240.0 GFLOPS
Board Design
35W
TDP
150W
200 W
Suggested PSU
450 W
2x DVI
1x S-Video
Outputs
2x DVI
1x S-Video
None
Power Connectors
2x 6-pin
Graphics Processor
RV630
GPU Name
RV770
RV630 PRO
(215CDBBKA15FG)
GPU Variant
RV770 XT
(215-0669049)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
65 nm
Process Size
55 nm
0.39 billion
Transistors
0.956 billion
153 mm²
Die Size
256 mm²
Graphics Features
10.0 (10_0)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3
N/A
OpenCL
1.1
N/A
Vulkan
N/A
4.0
Shader Model
4.1
