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GPU Comparison
NVIDIA GeForce GT 640 Rev. 2 vs AMD Radeon RX Vega Nano
NVIDIA GeForce GT 640 Rev. 2 vs AMD Radeon RX Vega Nano
VS
NVIDIA GeForce GT 640 Rev. 2
AMD Radeon RX Vega Nano
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 640 Rev. 2 and 8GB VRAM Radeon RX Vega Nano to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Lower TDP (49W vs 175W)
AMD Radeon RX Vega Nano 's Advantages
Boost Clock1546MHz
More VRAM (8GB vs 1GB)
Larger VRAM bandwidth (409.6GB/s vs 40.06GB/s)
3712 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640 Rev. 2
0.803 TFLOPS
Radeon RX Vega Nano
+1476%
12.66 TFLOPS
GeForce GT 640 Rev. 2
VS
Radeon RX Vega Nano
Graphics Card
May 2013
Release Date
Unknown
GeForce 600
Generation
Vega
Desktop
Type
Desktop
PCIe 2.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1247 MHz
-
Boost Clock
1546 MHz
1252 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
8GB
GDDR5
Memory Type
HBM2
64bit
Memory Bus
2048bit
40.06GB/s
Bandwidth
409.6GB/s
Render Config
-
SM Count
-
-
Compute Units
64
384
Shading Units
4096
32
TMUs
256
8
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
4 MB
Theoretical Performance
8.368 GPixel/s
Pixel Rate
98.94 GPixel/s
33.47 GTexel/s
Texture Rate
395.8 GTexel/s
-
FP16 (half)
-
803.3 GFLOPS
FP32 (float)
12.66 TFLOPS
33.47 GFLOPS
FP64 (double)
791.6 GFLOPS
Graphics Processor
GK208
GPU Name
Vega 10
GK208-400-A1
GPU Variant
Vega 10 XT (215-0894200)
Kepler 2.0
Architecture
GCN 5.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
1.02 billion
Transistors
12.5 billion
87 mm²
Die Size
495 mm²
Board Design
49W
TDP
175W
200 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 1x VGA
Outputs
1x HDMI 2.0b 3x DisplayPort 1.4a
None
Power Connectors
1x 8-pin
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2
3.5
CUDA
-
5.1
Shader Model
6.4
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2
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3
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6
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7
NVIDIA GeForce GT 640 Rev. 2 vs AMD Radeon Pro Vega II Duo
8
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9
NVIDIA GeForce GT 640 Rev. 2 vs NVIDIA GeForce GTX 295
10
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