AMD Radeon RX 6600M vs NVIDIA GeForce 945M

VS

AMD Radeon RX 6600M

NVIDIA GeForce 945M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 1024MB VRAM GeForce 945M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 5 years and 1 months late

Boost Clock has increased by 103% (2416MHz vs 1189MHz)

More VRAM (8GB vs 1024GB)

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

1408 additional rendering cores

NVIDIA GeForce 945M 's Advantages

Lower TDP (23W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +848%

8.659 TFLOPS

GeForce 945M

0.913 TFLOPS

Radeon RX 6600M

VS

GeForce 945M

Graphics Card

May 2021

Release Date

Apr 2016

Mobility Radeon

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

2068 MHz

Base Clock

1006 MHz

2416 MHz

Boost Clock

1189 MHz

1750 MHz

Memory Clock

1001 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

16.02GB/s

Render Config

28

Compute Units

-

1792

Shading Units

384

112

TMUs

24

64

ROPs

8

-

28

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

1024 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

9.512 GPixel/s

270.6 GTexel/s

Texture Rate

28.54 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

913.2 GFLOPS

541.2 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

100W

TDP

23W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GM108

-

RDNA 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

Unknown

237 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

5.0

6.5

Shader Model

5.1

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