AMD Radeon 540X Mobile vs NVIDIA GeForce RTX 4090 Max-Q

VS

AMD Radeon 540X Mobile

NVIDIA GeForce RTX 4090 Max-Q

We compared two Mobile platform GPUs: 2GB VRAM Radeon 540X Mobile and 16GB VRAM GeForce RTX 4090 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 540X Mobile 's Advantages

Lower TDP (50W vs 80W)

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 3 years and 11 months late

Boost Clock has increased by 33% (1455MHz vs 1095MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 32.00GB/s)

9216 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 540X Mobile

1.121 TFLOPS

GeForce RTX 4090 Max Q +2425%

28.31 TFLOPS

Radeon 540X Mobile

VS

GeForce RTX 4090 Max Q

Graphics Card

Feb 2019

Release Date

Jan 2023

Mobility Radeon

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

980 MHz

Base Clock

930 MHz

1095 MHz

Boost Clock

1455 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

32.00GB/s

Bandwidth

448.0GB/s

Render Config

8

Compute Units

-

SM Count

76

512

Shading Units

9728

32

TMUs

304

16

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

64 MB

-

Theoretical Performance

17.52 GPixel/s

Pixel Rate

163.0 GPixel/s

35.04 GTexel/s

Texture Rate

442.3 GTexel/s

1121 GFLOPS

FP16 (half)

28.31 TFLOPS

1121 GFLOPS

FP32 (float)

28.31 TFLOPS

70.08 GFLOPS

FP64 (double)

442.3 GFLOPS

Board Design

50W

TDP

80W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

AD103

Lexa PRO (215-0904018)

GPU Variant

GN21-X11

GCN 4.0

Architecture

Ada Lovelace

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

4 nm

2.2 billion

Transistors

45.9 billion

103 mm²

Die Size

379 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

6.4

Shader Model

6.7

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