NVIDIA GeForce 620M vs NVIDIA GeForce 940M

VS

NVIDIA GeForce 620M

NVIDIA GeForce 940M

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

Main Differences

NVIDIA GeForce 620M 's Advantages

Lower TDP (15W vs 75W)

NVIDIA GeForce 940M 's Advantages

Released 3 years late

Boost Clock1098MHz

More VRAM (2GB vs 1024GB)

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 620M

0.24 TFLOPS

GeForce 940M +368%

1.124 TFLOPS

GeForce 620M

VS

GeForce 940M

Graphics Card

Mar 2012

Release Date

Mar 2015

GeForce 600M

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1098 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

14.40GB/s

Render Config

-

2

SM Count

-

96

Shading Units

512

16

TMUs

32

8

ROPs

16

-

64 KB (per SM)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

17.57 GPixel/s

10.00 GTexel/s

Texture Rate

35.14 GTexel/s

-

240.0 GFLOPS

FP32 (float)

1124 GFLOPS

20.00 GFLOPS

FP64 (double)

35.14 GFLOPS

Board Design

15W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF117

GPU Name

GM107

N13P-GLP

GPU Variant

N16S-GT1-KB-B

Fermi 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

1.87 billion

116 mm²

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

5.0

5.1

Shader Model

5.1

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