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GPU Comparison
AMD Radeon Pro Duo vs NVIDIA GeForce GT 640 OEM
AMD Radeon Pro Duo vs NVIDIA GeForce GT 640 OEM
VS
AMD Radeon Pro Duo
NVIDIA GeForce GT 640 OEM
We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro Duo and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro Duo 's Advantages
Released 4 years late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 28.51GB/s)
3712 additional rendering cores
NVIDIA GeForce GT 640 OEM 's Advantages
Lower TDP (50W vs 350W)
Score
Benchmark
FP32 (float)
Radeon Pro Duo
+1238%
8.192 TFLOPS
GeForce GT 640 OEM
0.612 TFLOPS
Radeon Pro Duo
VS
GeForce GT 640 OEM
Graphics Card
Apr 2016
Release Date
Apr 2012
Radeon Pro
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
500 MHz
Memory Clock
891 MHz
Memory
4GB
Memory Size
2GB
HBM
Memory Type
DDR3
4096bit
Memory Bus
128bit
512.0GB/s
Bandwidth
28.51GB/s
Render Config
-
SM Count
-
64
Compute Units
-
4096
Shading Units
384
256
TMUs
32
64
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
256 KB
Theoretical Performance
64.00 GPixel/s
Pixel Rate
6.376 GPixel/s
256.0 GTexel/s
Texture Rate
25.50 GTexel/s
8.192 TFLOPS
FP16 (half)
-
8.192 TFLOPS
FP32 (float)
612.1 GFLOPS
512.0 GFLOPS
FP64 (double)
25.50 GFLOPS
Graphics Processor
Capsaicin
GPU Name
GK107
Capsaicin XT
GPU Variant
GK107-320-A2
GCN 3.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
8.9 billion
Transistors
1.27 billion
596 mm²
Die Size
118 mm²
Board Design
350W
TDP
50W
750 W
Suggested PSU
250 W
1x HDMI 1.4a 3x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
3x 8-pin
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
6.0
Shader Model
5.1
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