AMD Radeon RX 6450M vs AMD Radeon 540 Mobile

VS

AMD Radeon RX 6450M

AMD Radeon 540 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 2GB VRAM Radeon 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Released 3 years and 10 months late

Boost Clock has increased by 119% (2460MHz vs 1124MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (128.0GB/s vs 48.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M +228%

3.779 TFLOPS

Radeon 540 Mobile

1.151 TFLOPS

Radeon RX 6450M

VS

Radeon 540 Mobile

Graphics Card

Jan 2023

Release Date

Mar 2019

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x8

Clock Speeds

2000 MHz

Base Clock

1100 MHz

2460 MHz

Boost Clock

1124 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

64bit

128.0GB/s

Bandwidth

48.00GB/s

Render Config

12

Compute Units

8

-

768

Shading Units

512

48

TMUs

32

ROPs

16

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

16 MB

L3 Cache

-

Theoretical Performance

78.72 GPixel/s

Pixel Rate

17.98 GPixel/s

118.1 GTexel/s

Texture Rate

35.97 GTexel/s

7.557 TFLOPS

FP16 (half)

1151 GFLOPS

3.779 TFLOPS

FP32 (float)

1151 GFLOPS

236.2 GFLOPS

FP64 (double)

71.94 GFLOPS

Board Design

50W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

Lexa

Navi 24 XML

GPU Variant

Lexa PRO (215-0904018)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

6 nm

Process Size

14 nm

5.4 billion

Transistors

2.2 billion

107 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

6.7

Shader Model

6.4

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