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GPU Comparison
NVIDIA GeForce GTX 950A vs NVIDIA GeForce GT 640M
NVIDIA GeForce GTX 950A vs NVIDIA GeForce GT 640M
VS
NVIDIA GeForce GTX 950A
NVIDIA GeForce GT 640M
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 950A and 2GB VRAM GeForce GT 640M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 950A 's Advantages
Released 3 years late
Boost Clock1124MHz
Larger VRAM bandwidth (32.03GB/s vs 28.80GB/s)
256 additional rendering cores
NVIDIA GeForce GT 640M 's Advantages
Lower TDP (32W vs 75W)
Score
Benchmark
FP32 (float)
GeForce GTX 950A
+199%
1.439 TFLOPS
GeForce GT 640M
0.48 TFLOPS
GeForce GTX 950A
VS
GeForce GT 640M
Graphics Card
Mar 2015
Release Date
Mar 2012
GeForce 900A
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
993 MHz
Base Clock
-
1124 MHz
Boost Clock
-
1001 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
DDR3
128bit
Memory Bus
128bit
32.03GB/s
Bandwidth
28.80GB/s
Render Config
-
SM Count
-
-
Compute Units
-
640
Shading Units
384
40
TMUs
32
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SMM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
256 KB
Theoretical Performance
17.98 GPixel/s
Pixel Rate
5.000 GPixel/s
44.96 GTexel/s
Texture Rate
20.00 GTexel/s
-
FP16 (half)
-
1439 GFLOPS
FP32 (float)
480.0 GFLOPS
44.96 GFLOPS
FP64 (double)
20.00 GFLOPS
Graphics Processor
GM107
GPU Name
GK107
N16P-GT
GPU Variant
N13P-GS
Maxwell
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
1.27 billion
148 mm²
Die Size
118 mm²
Board Design
75W
TDP
32W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
5.0
CUDA
3.0
5.1
Shader Model
5.1
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