AMD Radeon RX 540X Mobile vs AMD Radeon RX 6650M XT

VS

AMD Radeon RX 540X Mobile AMD Radeon RX 6650M XT

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540X Mobile and 8GB VRAM Radeon RX 6650M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 540X Mobile 's Advantages

Lower TDP (50W vs 120W)

AMD Radeon RX 6650M XT 's Advantages

Released 3 years and 9 months late

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

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 540X Mobile

1.24 TFLOPS

Radeon RX 6650M XT +698%

9.896 TFLOPS

Radeon RX 540X Mobile

VS

Radeon RX 6650M XT

Graphics Card

Apr 2018

Release Date

Jan 2022

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1124 MHz

Base Clock

2068 MHz

1211 MHz

Boost Clock

2416 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

8

Compute Units

32

512

Shading Units

2048

32

TMUs

128

16

ROPs

64

-

Tensor Cores

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

Theoretical Performance

19.38 GPixel/s

Pixel Rate

154.6 GPixel/s

38.75 GTexel/s

Texture Rate

309.2 GTexel/s

1240 GFLOPS

FP16 (half)

19.79 TFLOPS

1240 GFLOPS

FP32 (float)

9.896 TFLOPS

77.50 GFLOPS

FP64 (double)

618.5 GFLOPS

Graphics Processor

Polaris 23

GPU Name

Navi 23

Polaris 23 MXL

GPU Variant

-

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

2.2 billion

Transistors

11.06 billion

103 mm²

Die Size

237 mm²

Board Design

50W

TDP

120W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.5

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