Radeon Pro W6400 vs 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 rated264
Place by popularitynot in top-100not in top-100
Power efficiencyno data28.55
ArchitectureRDNA 2.0 (2020−2024)RDNA 2.0 (2020−2024)
GPU code nameNavi 21Navi 24
Market segmentDesktopWorkstation
Release dateno data19 January 2022 (2 years 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 cores4352768
Core clock speedno data2331 MHz
Boost clock speed1735 MHz2331 MHz
Number of transistors21,000 million5,400 million
Manufacturing process technology7 nm6 nm
Power consumption (TDP)300 Watt50 Watt
Texture fill rate471.9111.9
Floating-point processing power15.1 TFLOPS3.58 TFLOPS
ROPs9632
TMUs27248
Ray Tracing Coresno data12

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 x4
Width2-slot1-slot
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 GB4 GB
Memory bus width384 Bit64 Bit
Memory clock speed14000 MHz1750 MHz
Memory bandwidth672.0 GB/s112.0 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 DisplayPort2x DisplayPort 1.4a
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 data6.6
OpenGL4.64.6
OpenCLno data2.2
Vulkan-1.3

Pros & cons summary


Maximum RAM amount 12 GB 4 GB
Chip lithography 7 nm 6 nm
Power consumption (TDP) 300 Watt 50 Watt

RX 5900 XT has a 200% higher maximum VRAM amount.

Pro W6400, on the other hand, has a 16.7% more advanced lithography process, and 500% lower power consumption.

We couldn't decide between Radeon RX 5900 XT and Radeon Pro W6400. We've got no test results to judge.

Be aware that Radeon RX 5900 XT is a desktop card while Radeon Pro W6400 is a workstation 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
AMD Radeon Pro W6400
Radeon Pro W6400

Comparisons with similar GPUs

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Community ratings

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4.1 67 votes

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4 28 votes

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Questions & comments

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