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GPU Comparison
ATI Radeon HD 2900 XTX vs ATI Radeon HD 5850
ATI Radeon HD 2900 XTX vs ATI Radeon HD 5850
VS
ATI Radeon HD 2900 XTX
ATI Radeon HD 5850
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 1024MB VRAM Radeon HD 5850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 5850 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (128.0GB/s vs 106.0GB/s)
1120 additional rendering cores
Lower TDP (151W vs 240W)
Score
Benchmark
FP32 (float)
Radeon HD 2900 XTX
0.476 TFLOPS
Radeon HD 5850
+338%
2.088 TFLOPS
Radeon HD 2900 XTX
VS
Radeon HD 5850
Graphics Card
Unknown
Release Date
Sep 2009
Radeon R600
Generation
Evergreen
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
828 MHz
Memory Clock
1000 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
512bit
Memory Bus
256bit
106.0GB/s
Bandwidth
128.0GB/s
Render Config
-
SM Count
-
4
Compute Units
18
320
Shading Units
1440
16
TMUs
72
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
11.89 GPixel/s
Pixel Rate
23.20 GPixel/s
11.89 GTexel/s
Texture Rate
52.20 GTexel/s
-
FP16 (half)
-
475.5 GFLOPS
FP32 (float)
2.088 TFLOPS
-
FP64 (double)
417.6 GFLOPS
Graphics Processor
R600
GPU Name
Cypress
R600 XTX A11 (215RGMDKA11FG)
GPU Variant
Cypress PRO (215-0735043)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
80 nm
Process Size
40 nm
0.72 billion
Transistors
2.154 billion
420 mm²
Die Size
334 mm²
Board Design
240W
TDP
151W
550 W
Suggested PSU
450 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
2x 6-pin
Power Connectors
2x 6-pin
Graphics Features
10.0 (10_0)
DirectX
11.2 (11_0)
3.3 (full) 4.0 (partial)
OpenGL
4.4
N/A
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
4.0
Shader Model
5.0
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