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GPU Comparison
ATI Radeon HD 2900 PRO vs ATI Radeon HD 3650
ATI Radeon HD 2900 PRO vs ATI Radeon HD 3650
VS
ATI Radeon HD 2900 PRO
ATI Radeon HD 3650
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 PRO and 256MB VRAM Radeon HD 3650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 2900 PRO 's Advantages
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (51.20GB/s vs 25.60GB/s)
200 additional rendering cores
ATI Radeon HD 3650 's Advantages
Lower TDP (65W vs 200W)
Score
Benchmark
FP32 (float)
Radeon HD 2900 PRO
+120%
0.384 TFLOPS
Radeon HD 3650
0.174 TFLOPS
Radeon HD 2900 PRO
VS
Radeon HD 3650
Graphics Card
Dec 2007
Release Date
Jan 2008
Radeon R600
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
800 MHz
Memory Clock
800 MHz
Memory
512MB
Memory Size
256MB
GDDR3
Memory Type
GDDR3
256bit
Memory Bus
128bit
51.20GB/s
Bandwidth
25.60GB/s
Render Config
-
SM Count
-
4
Compute Units
3
320
Shading Units
120
16
TMUs
8
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
-
128 KB
L2 Cache
128 KB
Theoretical Performance
9.600 GPixel/s
Pixel Rate
2.900 GPixel/s
9.600 GTexel/s
Texture Rate
5.800 GTexel/s
-
FP16 (half)
-
384.0 GFLOPS
FP32 (float)
174.0 GFLOPS
-
FP64 (double)
-
Graphics Processor
R600
GPU Name
RV635
R600 PRO (215RGMDKA13FG)
GPU Variant
RV635 PRO (215-0682008)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
80 nm
Process Size
55 nm
0.72 billion
Transistors
0.378 billion
420 mm²
Die Size
135 mm²
Board Design
200W
TDP
65W
550 W
Suggested PSU
250 W
2x DVI 1x S-Video
Outputs
2x DVI 1x S-Video
1x 8-pin
Power Connectors
None
Graphics Features
10.0 (10_0)
DirectX
10.1 (10_1)
3.3 (full) 4.0 (partial)
OpenGL
3.3
N/A
OpenCL
N/A
N/A
Vulkan
N/A
-
CUDA
-
4.0
Shader Model
4.1
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