NVIDIA GeForce 940M vs AMD Radeon RX 6600S

VS

We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 4GB VRAM Radeon RX 6600S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 940M 's Advantages

Lower TDP (75W vs 80W)

AMD Radeon RX 6600S 's Advantages

Released 6 years and 10 months late

Boost Clock has increased by 82% (2000MHz vs 1098MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 14.40GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 940M

1.124 TFLOPS

Radeon RX 6600S +537%

7.168 TFLOPS

GeForce 940M

VS

Radeon RX 6600S

Graphics Card

Mar 2015

Release Date

Jan 2022

GeForce 900M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

1020 MHz

Base Clock

1700 MHz

1098 MHz

Boost Clock

2000 MHz

900 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

Compute Units

28

512

Shading Units

1792

32

TMUs

112

16

ROPs

64

-

Tensor Cores

-

RT Cores

28

64 KB (per SMM)

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

Theoretical Performance

17.57 GPixel/s

Pixel Rate

128.0 GPixel/s

35.14 GTexel/s

Texture Rate

224.0 GTexel/s

-

FP16 (half)

14.34 TFLOPS

1124 GFLOPS

FP32 (float)

7.168 TFLOPS

35.14 GFLOPS

FP64 (double)

448.0 GFLOPS

Graphics Processor

GM107

GPU Name

Navi 23

N16S-GT1-KB-B

GPU Variant

-

Maxwell

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.87 billion

Transistors

11.06 billion

148 mm²

Die Size

237 mm²

Board Design

75W

TDP

80W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

5.0

CUDA

-

5.1

Shader Model

6.5

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