Radeon HD 8490 OEM vs ATI Radeon HD 2600 XT
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 256MB VRAM ATI Radeon HD 2600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 8490 OEM 's Advantages
Released 6 years and 1 months late
More VRAM (1024GB vs 256GB)
40 additional rendering cores
Lower TDP (35W vs 45W)
ATI Radeon HD 2600 XT 's Advantages
Larger VRAM bandwidth (22.40GB/s vs 14.40GB/s)
Score
Benchmark
FP32 (float)
Radeon HD 8490 OEM
+45%
280
ATI Radeon HD 2600 XT
192
Graphics Card
Jul 2013
Release Date
Jun 2007
Sea Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
900 MHz
Memory Clock
700 MHz
Memory
1024MB
Memory Size
256MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
22.40GB/s
Render Config
2
Compute Units
3
160
Shading Units
120
8
TMUs
8
4
ROPs
4
8 KB (per CU)
L1 Cache
-
128 KB
L2 Cache
64 KB
Theoretical Performance
3.500 GPixel/s
Pixel Rate
3.200 GPixel/s
7.000 GTexel/s
Texture Rate
6.400 GTexel/s
280.0 GFLOPS
FP32 (float)
192.0 GFLOPS
Board Design
35W
TDP
45W
200 W
Suggested PSU
200 W
1x DVI
1x DisplayPort 1.1
Outputs
2x DVI
1x S-Video
None
Power Connectors
None
Graphics Processor
Caicos
GPU Name
RV630
Caicos XTX
GPU Variant
-
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
65 nm
0.37 billion
Transistors
0.39 billion
67 mm²
Die Size
153 mm²
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
5.0
Shader Model
4.0
