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GPU Comparison
NVIDIA GeForce GT 640 vs AMD Radeon Pro Vega II Duo
NVIDIA GeForce GT 640 vs AMD Radeon Pro Vega II Duo
VS
NVIDIA GeForce GT 640
AMD Radeon Pro Vega II Duo
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 32GB VRAM Radeon Pro Vega II Duo to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 475W)
AMD Radeon Pro Vega II Duo 's Advantages
Released 7 years late
Boost Clock1720MHz
More VRAM (32GB vs 2GB)
Larger VRAM bandwidth (1020GB/s vs 28.51GB/s)
3712 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640
0.693 TFLOPS
Radeon Pro Vega II Duo
+1933%
14.09 TFLOPS
Blender
GeForce GT 640
32
Radeon Pro Vega II Duo
+2462%
820
GeForce GT 640
VS
Radeon Pro Vega II Duo
Graphics Card
Jun 2012
Release Date
Jun 2019
GeForce 600
Generation
Radeon Pro Mac
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
Apple MPX
Clock Speeds
-
Base Clock
1400 MHz
-
Boost Clock
1720 MHz
891 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
32GB
DDR3
Memory Type
HBM2
128bit
Memory Bus
4096bit
28.51GB/s
Bandwidth
1020GB/s
Render Config
-
Compute Units
64
-
-
-
384
Shading Units
4096
32
TMUs
256
16
ROPs
64
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
4 MB
-
-
-
Theoretical Performance
7.216 GPixel/s
Pixel Rate
110.1 GPixel/s
28.86 GTexel/s
Texture Rate
440.3 GTexel/s
-
FP16 (half)
28.18 TFLOPS
692.7 GFLOPS
FP32 (float)
14.09 TFLOPS
28.86 GFLOPS
FP64 (double)
7.045 TFLOPS
Board Design
65W
TDP
475W
250 W
Suggested PSU
850 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.0b 4x Thunderbolt
None
Power Connectors
None
Graphics Processor
GK107
GPU Name
Vega 20
GK107-300-A2
GPU Variant
Vega 20 XT
Kepler
Architecture
GCN 5.1
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
1.27 billion
Transistors
13.23 billion
118 mm²
Die Size
331 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.7
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