GeForce RTX 4090 Max-Q vs Radeon Pro W6900X

VS

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 segmentWorkstationLaptop
Release date3 August 2021 (3 years ago)3 January 2023 (1 year ago)
Launch price (MSRP)$4,999 no data

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 cores51209728
Core clock speed1825 MHz930 MHz
Boost clock speed2150 MHz1455 MHz
Number of transistors26,800 million45,900 million
Manufacturing process technology7 nm4 nm
Power consumption (TDP)300 Watt80 Watt
Texture fill rate688.0442.3
Floating-point processing power22.02 TFLOPS28.31 TFLOPS
ROPs128112
TMUs320304
Tensor Coresno data304
Ray Tracing Cores8076

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
Length267 mmno data
WidthQuad-slotno data
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 typeGDDR6GDDR6
Maximum RAM amount32 GB16 GB
Memory bus width256 Bit256 Bit
Memory clock speed2000 MHz1750 MHz
Memory bandwidth512.0 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, 4x ThunderboltPortable Device Dependent
HDMI+-

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.7
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.21.3
CUDA-8.9

Pros & cons summary


Recency 3 August 2021 3 January 2023
Maximum RAM amount 32 GB 16 GB
Chip lithography 7 nm 4 nm
Power consumption (TDP) 300 Watt 80 Watt

Pro W6900X has a 100% higher maximum VRAM amount.

RTX 4090 Max-Q, on the other hand, has an age advantage of 1 year, a 75% more advanced lithography process, and 275% lower power consumption.

We couldn't decide between Radeon Pro W6900X and GeForce RTX 4090 Max-Q. We've got no test results to judge.

Be aware that Radeon Pro W6900X is a workstation 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon Pro W6900X
Radeon Pro W6900X
NVIDIA GeForce RTX 4090 Max-Q
GeForce RTX 4090 Max-Q

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.1 67 votes

Rate Radeon Pro W6900X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.3 146 votes

Rate GeForce RTX 4090 Max-Q on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.