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GPU Comparison
NVIDIA GeForce GT 640 Rev. 2 vs NVIDIA NVS 300
NVIDIA GeForce GT 640 Rev. 2 vs NVIDIA NVS 300
VS
NVIDIA GeForce GT 640 Rev. 2
NVIDIA NVS 300
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 640 Rev. 2 and 512MB VRAM NVS 300 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
Released 2 years and 4 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (40.06GB/s vs 12.64GB/s)
368 additional rendering cores
NVIDIA NVS 300 's Advantages
Lower TDP (18W vs 49W)
Score
Benchmark
FP32 (float)
GeForce GT 640 Rev. 2
+1958%
0.803 TFLOPS
NVS 300
0.039 TFLOPS
GeForce GT 640 Rev. 2
VS
NVS 300
Graphics Card
May 2013
Release Date
Jan 2011
GeForce 600
Generation
NVS
Desktop
Type
Desktop
PCIe 2.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1252 MHz
Memory Clock
790 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
64bit
40.06GB/s
Bandwidth
12.64GB/s
Render Config
-
SM Count
2
-
Compute Units
-
384
Shading Units
16
32
TMUs
8
8
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
-
512 KB
L2 Cache
32 KB
Theoretical Performance
8.368 GPixel/s
Pixel Rate
2.080 GPixel/s
33.47 GTexel/s
Texture Rate
4.160 GTexel/s
-
FP16 (half)
-
803.3 GFLOPS
FP32 (float)
39.36 GFLOPS
33.47 GFLOPS
FP64 (double)
-
Graphics Processor
GK208
GPU Name
GT218
GK208-400-A1
GPU Variant
GT218-670-B1
Kepler 2.0
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.02 billion
Transistors
0.26 billion
87 mm²
Die Size
57 mm²
Board Design
49W
TDP
18W
200 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 1x VGA
Outputs
1x DMS-59
None
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.5
CUDA
1.2
5.1
Shader Model
4.1
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4
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5
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7
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8
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9
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10
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