Radeon Pro W6400 vs Quadro RTX 6000 Passive

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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 data28.60
ArchitectureTuring (2018−2022)RDNA 2.0 (2020−2024)
GPU code nameTU102Navi 24
Market segmentWorkstationWorkstation
Release date13 August 2018 (6 years ago)19 January 2022 (2 years ago)
Launch price (MSRP)$6,299 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 cores4608768
Core clock speed1305 MHz2331 MHz
Boost clock speed1560 MHz2331 MHz
Number of transistors18,600 million5,400 million
Manufacturing process technology12 nm6 nm
Power consumption (TDP)260 Watt50 Watt
Texture fill rate449.3111.9
Floating-point processing power14.38 TFLOPS3.58 TFLOPS
ROPs9632
TMUs28848
Tensor Cores576no data
Ray Tracing Cores7212

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 x16PCIe 4.0 x4
Length267 mmno data
Width2-slot1-slot
Supplementary power connectors1x 6-pin + 1x 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 amount24 GB4 GB
Memory bus width384 Bit64 Bit
Memory clock speed1750 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 Connectors4x DisplayPort, 1x USB Type-C2x DisplayPort 1.4a

API compatibility

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

DirectX12 Ultimate (12_1)12 Ultimate (12_2)
Shader Model6.56.6
OpenGL4.64.6
OpenCL2.02.2
Vulkan1.2.1311.3
CUDA7.5-

Pros & cons summary


Recency 13 August 2018 19 January 2022
Maximum RAM amount 24 GB 4 GB
Chip lithography 12 nm 6 nm
Power consumption (TDP) 260 Watt 50 Watt

RTX 6000 Passive has a 500% higher maximum VRAM amount.

Pro W6400, on the other hand, has an age advantage of 3 years, a 100% more advanced lithography process, and 420% lower power consumption.

We couldn't decide between Quadro RTX 6000 Passive and Radeon Pro W6400. 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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NVIDIA Quadro RTX 6000 Passive
Quadro RTX 6000 Passive
AMD Radeon Pro W6400
Radeon Pro W6400

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Community ratings

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1.9 9 votes

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4 28 votes

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Questions & comments

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