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

VS

NVIDIA GeForce GTX 1070 Mobile

NVIDIA GeForce GT 640M LE

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

Main Differences

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

NVIDIA GeForce GT 640M LE 's Advantages

Lower TDP (32W vs 120W)

Score

Benchmark

FP32 (float)

GeForce GTX 1070 Mobile +2231%

6.738 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

GeForce GTX 1070 Mobile

VS

GeForce GT 640M LE

Graphics Card

Aug 2016

Release Date

May 2012

GeForce 10 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1442 MHz

Base Clock

-

1645 MHz

Boost Clock

-

2002 MHz

Memory Clock

785 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.3GB/s

Bandwidth

50.24GB/s

Render Config

-

16

SM Count

2

2048

Shading Units

96

128

TMUs

16

64

ROPs

4

-

48 KB (per SM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

105.3 GPixel/s

Pixel Rate

3.012 GPixel/s

210.6 GTexel/s

Texture Rate

12.05 GTexel/s

105.3 GFLOPS

FP16 (half)

-

6.738 TFLOPS

FP32 (float)

289.0 GFLOPS

210.6 GFLOPS

FP64 (double)

24.08 GFLOPS

Board Design

120W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GP104

GPU Name

GF108

N17E-G2-A1

GPU Variant

-

Pascal

Architecture

Fermi

TSMC

Foundry

TSMC

16 nm

Process Size

40 nm

7.2 billion

Transistors

0.585 billion

314 mm²

Die Size

116 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

6.1

CUDA

2.1

6.4

Shader Model

5.1

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