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

VS

AMD Radeon RX 6650M XT

AMD Radeon RX 540X Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6650M XT 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 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

AMD Radeon RX 540X Mobile 's Advantages

Lower TDP (50W vs 120W)

Score

Benchmark

FP32 (float)

Radeon RX 6650M XT +698%

9.896 TFLOPS

Radeon RX 540X Mobile

1.24 TFLOPS

Radeon RX 6650M XT

VS

Radeon RX 540X Mobile

Graphics Card

Jan 2022

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

2000 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

96.00GB/s

Render Config

32

Compute Units

8

-

2048

Shading Units

512

128

TMUs

32

64

ROPs

16

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

19.38 GPixel/s

309.2 GTexel/s

Texture Rate

38.75 GTexel/s

19.79 TFLOPS

FP16 (half)

1240 GFLOPS

9.896 TFLOPS

FP32 (float)

1240 GFLOPS

618.5 GFLOPS

FP64 (double)

77.50 GFLOPS

Board Design

120W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

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

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

-

6.5

Shader Model

6.4

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