NVIDIA GeForce 940A vs AMD Radeon RX 6600S

VS

NVIDIA GeForce 940A

AMD Radeon RX 6600S

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 940A 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 940A 's Advantages

Lower TDP (33W vs 80W)

AMD Radeon RX 6600S 's Advantages

Released 6 years and 10 months late

Boost Clock has increased by 78% (2000MHz vs 1124MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 16.02GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 940A

0.863 TFLOPS

Radeon RX 6600S +730%

7.168 TFLOPS

GeForce 940A

VS

Radeon RX 6600S

Graphics Card

Mar 2015

Release Date

Jan 2022

GeForce 900A

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1029 MHz

Base Clock

1700 MHz

1124 MHz

Boost Clock

2000 MHz

1001 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

28

-

384

Shading Units

1792

16

TMUs

112

8

ROPs

64

-

RT Cores

28

64 KB (per SMM)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

128.0 GPixel/s

17.98 GTexel/s

Texture Rate

224.0 GTexel/s

-

FP16 (half)

14.34 TFLOPS

863.2 GFLOPS

FP32 (float)

7.168 TFLOPS

26.98 GFLOPS

FP64 (double)

448.0 GFLOPS

Board Design

33W

TDP

80W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Navi 23

-

Maxwell

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

Unknown

Transistors

11.06 billion

Unknown

Die Size

237 mm²

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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