GeForce RTX 4090 Max-Q vs Radeon 540X

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking701not rated
Place by popularitynot in top-100not in top-100
Power efficiency5.15no data
ArchitectureGCN 4.0 (2016−2020)Ada Lovelace (2022−2024)
GPU code nameLexaAD103
Market segmentLaptopLaptop
Release date5 September 2018 (6 years ago)3 January 2023 (1 year ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores5129728
Core clock speed980 MHz930 MHz
Boost clock speed1046 MHz1455 MHz
Number of transistors2,200 million45,900 million
Manufacturing process technology14 nm4 nm
Power consumption (TDP)50 Watt80 Watt
Texture fill rate33.47442.3
Floating-point processing power1.071 TFLOPS28.31 TFLOPS
ROPs16112
TMUs32304
Tensor Coresno data304
Ray Tracing Coresno data76

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 3.0 x8PCIe 4.0 x16
Supplementary power connectorsNoneNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR6
Maximum RAM amount2 GB16 GB
Memory bus width64 Bit256 Bit
Memory clock speed1500 MHz1750 MHz
Memory bandwidth48 GB/s448.0 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsPortable Device Dependent

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.2.1311.3
CUDA-8.9

Pros & cons summary


Recency 5 September 2018 3 January 2023
Maximum RAM amount 2 GB 16 GB
Chip lithography 14 nm 4 nm
Power consumption (TDP) 50 Watt 80 Watt

Radeon 540X has 60% lower power consumption.

RTX 4090 Max-Q, on the other hand, has an age advantage of 4 years, a 700% higher maximum VRAM amount, and a 250% more advanced lithography process.

We couldn't decide between Radeon 540X and GeForce RTX 4090 Max-Q. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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

Comparisons with similar GPUs

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Community ratings

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3.8 315 votes

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3.4 144 votes

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Questions & comments

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