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GPU Comparison
ATI Radeon HD 2900 XTX vs ATI Radeon HD 4850 X2
ATI Radeon HD 2900 XTX vs ATI Radeon HD 4850 X2
VS
ATI Radeon HD 2900 XTX
ATI Radeon HD 4850 X2
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 512MB VRAM Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 2900 XTX 's Advantages
Larger VRAM bandwidth (106.0GB/s vs 63.68GB/s)
Lower TDP (240W vs 250W)
ATI Radeon HD 4850 X2 's Advantages
480 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 2900 XTX
0.476 TFLOPS
Radeon HD 4850 X2
+110%
1 TFLOPS
Radeon HD 2900 XTX
VS
Radeon HD 4850 X2
Graphics Card
Unknown
Release Date
Nov 2008
Radeon R600
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
828 MHz
Memory Clock
995 MHz
Memory
512MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
512bit
Memory Bus
256bit
106.0GB/s
Bandwidth
63.68GB/s
Render Config
-
SM Count
-
4
Compute Units
10
320
Shading Units
800
16
TMUs
40
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
11.89 GPixel/s
Pixel Rate
10.00 GPixel/s
11.89 GTexel/s
Texture Rate
25.00 GTexel/s
-
FP16 (half)
-
475.5 GFLOPS
FP32 (float)
1000 GFLOPS
-
FP64 (double)
200.0 GFLOPS
Graphics Processor
R600
GPU Name
R700
R600 XTX A11 (215RGMDKA11FG)
GPU Variant
R700 PRO (215-0669065)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
80 nm
Process Size
55 nm
0.72 billion
Transistors
0.956 billion
420 mm²
Die Size
256 mm²
Board Design
240W
TDP
250W
550 W
Suggested PSU
600 W
2x DVI 1x S-Video
Outputs
4x DVI 1x S-Video
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
10.0 (10_0)
DirectX
10.1 (10_1)
3.3 (full) 4.0 (partial)
OpenGL
3.3
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
-
4.0
Shader Model
4.1
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