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GPU Comparison
NVIDIA GeForce GT 640 vs NVIDIA GeForce GT 520 PCIe x1
NVIDIA GeForce GT 640 vs NVIDIA GeForce GT 520 PCIe x1
VS
NVIDIA GeForce GT 640
NVIDIA GeForce GT 520 PCIe x1
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1024MB VRAM GeForce GT 520 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 's Advantages
Released 1 years and 2 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (28.51GB/s vs 14.40GB/s)
336 additional rendering cores
NVIDIA GeForce GT 520 PCIe x1 's Advantages
Lower TDP (29W vs 65W)
Score
Benchmark
FP32 (float)
GeForce GT 640
+344%
0.693 TFLOPS
GeForce GT 520 PCIe x1
0.156 TFLOPS
GeForce GT 640
VS
GeForce GT 520 PCIe x1
Graphics Card
Jun 2012
Release Date
Apr 2011
GeForce 600
Generation
GeForce 500
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x1
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
891 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
28.51GB/s
Bandwidth
14.40GB/s
Render Config
-
SM Count
1
-
Compute Units
-
384
Shading Units
48
32
TMUs
8
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
128 KB
Theoretical Performance
7.216 GPixel/s
Pixel Rate
1.620 GPixel/s
28.86 GTexel/s
Texture Rate
6.480 GTexel/s
-
FP16 (half)
-
692.7 GFLOPS
FP32 (float)
155.5 GFLOPS
28.86 GFLOPS
FP64 (double)
12.96 GFLOPS
Graphics Processor
GK107
GPU Name
GF119
GK107-300-A2
GPU Variant
-
Kepler
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.27 billion
Transistors
0.292 billion
118 mm²
Die Size
79 mm²
Board Design
65W
TDP
29W
250 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
None
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
2.1
5.1
Shader Model
5.1
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