Arc Pro A40 vs Radeon Pro W6400

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Primary details

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

Place in the ranking263not rated
Place by popularitynot in top-100not in top-100
Power efficiency28.77no data
ArchitectureRDNA 2.0 (2020−2024)Generation 12.7 (2022−2023)
GPU code nameNavi 24DG2-128
Market segmentWorkstationWorkstation
Release date19 January 2022 (2 years ago)8 August 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 cores7681024
Core clock speed2331 MHz1500 MHz
Boost clock speed2331 MHz1700 MHz
Number of transistors5,400 million7,200 million
Manufacturing process technology6 nm6 nm
Power consumption (TDP)50 Watt50 Watt
Texture fill rate111.9108.8
Floating-point processing power3.58 TFLOPS3.482 TFLOPS
ROPs3232
TMUs4864
Ray Tracing Cores128

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 x4PCIe 4.0 x8
Width1-slot1-slot
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 amount4 GB6 GB
Memory bus width64 Bit96 Bit
Memory clock speed1750 MHz2000 MHz
Memory bandwidth112.0 GB/s192.0 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 Connectors2x DisplayPort 1.4a4x mini-DisplayPort 2.0

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.66.6
OpenGL4.64.6
OpenCL2.23.0
Vulkan1.31.3

Pros & cons summary


Recency 19 January 2022 8 August 2022
Maximum RAM amount 4 GB 6 GB

Arc Pro A40 has an age advantage of 6 months, and a 50% higher maximum VRAM amount.

We couldn't decide between Radeon Pro W6400 and Arc Pro A40. 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 Pro W6400
Radeon Pro W6400
Intel Arc Pro A40
Arc Pro A40

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.


4 28 votes

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3.9 12 votes

Rate Arc Pro A40 on a scale of 1 to 5:

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Questions & comments

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