Home GPU Comparison NVIDIA GeForce GT 640M LE vs NVIDIA GeForce GTX 1070 Mobile

NVIDIA GeForce GT 640M LE vs NVIDIA GeForce GTX 1070 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M LE and 8GB VRAM GeForce GTX 1070 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M LE 's Advantages
Lower TDP (32W vs 120W)
NVIDIA GeForce GTX 1070 Mobile 's Advantages
Released 4 years and 3 months late
Boost Clock1645MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.3GB/s vs 50.24GB/s)
1952 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 640M LE
0.289 TFLOPS
GeForce GTX 1070 Mobile +2231%
6.738 TFLOPS
VS

Graphics Card

May 2012
Release Date
Aug 2016
GeForce 600M
Generation
GeForce 10 Mobile
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1442 MHz
-
Boost Clock
1645 MHz
785 MHz
Memory Clock
2002 MHz

Memory

2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
50.24GB/s
Bandwidth
256.3GB/s

Render Config

2
SM Count
16
-
Compute Units
-
96
Shading Units
2048
16
TMUs
128
4
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
48 KB (per SM)
256 KB
L2 Cache
2 MB

Theoretical Performance

3.012 GPixel/s
Pixel Rate
105.3 GPixel/s
12.05 GTexel/s
Texture Rate
210.6 GTexel/s
-
FP16 (half)
105.3 GFLOPS
289.0 GFLOPS
FP32 (float)
6.738 TFLOPS
24.08 GFLOPS
FP64 (double)
210.6 GFLOPS

Graphics Processor

GF108
GPU Name
GP104
-
GPU Variant
N17E-G2-A1
Fermi
Architecture
Pascal
TSMC
Foundry
TSMC
40 nm
Process Size
16 nm
0.585 billion
Transistors
7.2 billion
116 mm²
Die Size
314 mm²

Board Design

32W
TDP
120W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Features

12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
2.1
CUDA
6.1
5.1
Shader Model
6.4

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