NVIDIA GeForce 940M vs NVIDIA GeForce 620M

VS

We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 1024MB VRAM GeForce 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 940M 's Advantages

Released 3 years late

Boost Clock1098MHz

More VRAM (2GB vs 1GB)

416 additional rendering cores

NVIDIA GeForce 620M 's Advantages

Lower TDP (15W vs 75W)

Score

Benchmark

FP32 (float)

GeForce 940M +368%

1.124 TFLOPS

GeForce 620M

0.24 TFLOPS

GeForce 940M

VS

GeForce 620M

Graphics Card

Mar 2015

Release Date

Mar 2012

GeForce 900M

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1020 MHz

Base Clock

-

1098 MHz

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

-

Compute Units

-

512

Shading Units

96

32

TMUs

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

128 KB

Theoretical Performance

17.57 GPixel/s

Pixel Rate

2.500 GPixel/s

35.14 GTexel/s

Texture Rate

10.00 GTexel/s

-

FP16 (half)

-

1124 GFLOPS

FP32 (float)

240.0 GFLOPS

35.14 GFLOPS

FP64 (double)

20.00 GFLOPS

Graphics Processor

GM107

GPU Name

GF117

N16S-GT1-KB-B

GPU Variant

N13P-GLP

Maxwell

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

0.585 billion

148 mm²

Die Size

116 mm²

Board Design

75W

TDP

15W

-

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

1.1

1.3

Vulkan

N/A

5.0

CUDA

2.1

5.1

Shader Model

5.1

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