AMD Radeon RX 7800M vs AMD Radeon 540X Mobile

VS

AMD Radeon RX 7800M

AMD Radeon 540X Mobile

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 2GB VRAM Radeon 540X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 5 years and 7 months late

Boost Clock has increased by 96% (2145MHz vs 1095MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432GB/s vs 32.00GB/s)

3328 additional rendering cores

AMD Radeon 540X Mobile 's Advantages

Lower TDP (50W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7800M +3099%

35.87 TFLOPS

Radeon 540X Mobile

1.121 TFLOPS

Radeon RX 7800M

VS

Radeon 540X Mobile

Graphics Card

Sep 2024

Release Date

Feb 2019

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1825 MHz

Base Clock

980 MHz

2145 MHz

Boost Clock

1095 MHz

2250 MHz

Memory Clock

1000 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

64bit

432GB/s

Bandwidth

32.00GB/s

Render Config

60

Compute Units

8

-

3840

Shading Units

512

240

TMUs

32

96

ROPs

16

-

60

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

512 KB

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

17.52 GPixel/s

560.4 GTexel/s

Texture Rate

35.04 GTexel/s

71.73 TFLOPS

FP16 (half)

1121 GFLOPS

35.87 TFLOPS

FP32 (float)

1121 GFLOPS

FP64 (double)

70.08 GFLOPS

Board Design

180W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

Lexa

Navi 32

GPU Variant

Lexa PRO (215-0904018)

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

28.1 billion

Transistors

2.2 billion

529 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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