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GPU Comparison
ATI Radeon HD 3730 vs NVIDIA GeForce GT 645 OEM
ATI Radeon HD 3730 vs NVIDIA GeForce GT 645 OEM
VS
ATI Radeon HD 3730
NVIDIA GeForce GT 645 OEM
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3730 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 3730 's Advantages
Lower TDP (65W vs 102W)
NVIDIA GeForce GT 645 OEM 's Advantages
Released 3 years and 6 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (91.87GB/s vs 12.67GB/s)
168 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 3730
0.173 TFLOPS
GeForce GT 645 OEM
+416%
0.894 TFLOPS
Radeon HD 3730
VS
GeForce GT 645 OEM
Graphics Card
Oct 2008
Release Date
Apr 2012
Radeon R600
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
396 MHz
Memory Clock
957 MHz
Memory
512MB
Memory Size
1024MB
DDR2
Memory Type
GDDR5
128bit
Memory Bus
192bit
12.67GB/s
Bandwidth
91.87GB/s
Render Config
-
SM Count
6
3
Compute Units
-
120
Shading Units
288
8
TMUs
48
4
ROPs
24
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
64 KB (per SM)
128 KB
L2 Cache
384 KB
Theoretical Performance
2.888 GPixel/s
Pixel Rate
9.312 GPixel/s
5.776 GTexel/s
Texture Rate
37.25 GTexel/s
-
FP16 (half)
-
173.3 GFLOPS
FP32 (float)
894.0 GFLOPS
-
FP64 (double)
74.50 GFLOPS
Graphics Processor
RV635
GPU Name
GF114
RV635 PRO (215-0682008)
GPU Variant
-
TeraScale
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.378 billion
Transistors
1.95 billion
135 mm²
Die Size
332 mm²
Board Design
65W
TDP
102W
250 W
Suggested PSU
300 W
2x DVI 1x S-Video
Outputs
2x DVI 1x mini-HDMI 1.3a
None
Power Connectors
-
Graphics Features
10.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
4.1
Shader Model
5.1
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