GeForce RTX 4090 Max-Q vs Radeon RX 5900 XT

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureRDNA 2.0 (2020−2024)Ada Lovelace (2022−2024)
GPU code nameNavi 21AD103
Market segmentDesktopLaptop
Release dateno data3 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 cores43529728
Core clock speedno data930 MHz
Boost clock speed1735 MHz1455 MHz
Number of transistors21,000 million45,900 million
Manufacturing process technology7 nm4 nm
Power consumption (TDP)300 Watt80 Watt
Texture fill rate471.9442.3
Floating-point processing power15.1 TFLOPS28.31 TFLOPS
ROPs96112
TMUs272304
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 4.0 x16PCIe 4.0 x16
Width2-slotno data
Supplementary power connectors2x 8-pinNone

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 typeGDDR6GDDR6
Maximum RAM amount12 GB16 GB
Memory bus width384 Bit256 Bit
Memory clock speed14000 MHz1750 MHz
Memory bandwidth672.0 GB/s448.0 GB/s

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 Connectors1x HDMI, 3x DisplayPortPortable Device Dependent
HDMI+-

API compatibility

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

DirectX12 Ultimate (12_1)12 Ultimate (12_2)
Shader Modelno data6.7
OpenGL4.64.6
OpenCLno data3.0
Vulkan-1.3
CUDA-8.9

Pros & cons summary


Maximum RAM amount 12 GB 16 GB
Chip lithography 7 nm 4 nm
Power consumption (TDP) 300 Watt 80 Watt

RTX 4090 Max-Q has a 33.3% higher maximum VRAM amount, a 75% more advanced lithography process, and 275% lower power consumption.

We couldn't decide between Radeon RX 5900 XT and GeForce RTX 4090 Max-Q. We've got no test results to judge.

Be aware that Radeon RX 5900 XT is a desktop card while GeForce RTX 4090 Max-Q is a notebook one.


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 RX 5900 XT
Radeon RX 5900 XT
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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4.1 67 votes

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3.3 149 votes

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Questions & comments

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