AMD Radeon RX 6600M vs AMD Radeon RX 540X Mobile

VS

AMD Radeon RX 6600M AMD Radeon RX 540X Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 2GB VRAM Radeon RX 540X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 3 years and 1 months late

Boost Clock has increased by 100% (2416MHz vs 1211MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 96.00GB/s)

1280 additional rendering cores

AMD Radeon RX 540X Mobile 's Advantages

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +598%

8.659 TFLOPS

Radeon RX 540X Mobile

1.24 TFLOPS

Radeon RX 6600M

VS

Radeon RX 540X Mobile

Graphics Card

May 2021

Release Date

Apr 2018

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

2068 MHz

Base Clock

1124 MHz

2416 MHz

Boost Clock

1211 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

28

Compute Units

8

1792

Shading Units

512

112

TMUs

32

64

ROPs

16

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

154.6 GPixel/s

Pixel Rate

19.38 GPixel/s

270.6 GTexel/s

Texture Rate

38.75 GTexel/s

17.32 TFLOPS

FP16 (half)

1240 GFLOPS

8.659 TFLOPS

FP32 (float)

1240 GFLOPS

541.2 GFLOPS

FP64 (double)

77.50 GFLOPS

Graphics Processor

Navi 23

GPU Name

Polaris 23

-

GPU Variant

Polaris 23 MXL

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

11.06 billion

Transistors

2.2 billion

237 mm²

Die Size

103 mm²

Board Design

100W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

6.4

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