Radeon RX 6400 vs Pro W6900X

Aggregate performance score

We've compared Radeon Pro W6900X with Radeon RX 6400, including specs and performance data.

Pro W6900X
2021
32 GB GDDR6, 300 Watt
38.97
+128%

Pro W6900X outperforms RX 6400 by a whopping 128% based on our aggregate benchmark results.

Primary details

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

Place in the ranking81296
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation8.7250.79
Power efficiency10.3025.58
ArchitectureRDNA 2.0 (2020−2024)RDNA 2.0 (2020−2024)
GPU code nameNavi 21Navi 24
Market segmentWorkstationDesktop
Release date3 August 2021 (3 years ago)19 January 2022 (3 years ago)
Launch price (MSRP)$4,999 $159

Cost-effectiveness evaluation

The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.

RX 6400 has 482% better value for money than Pro W6900X.

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 cores5120768
Core clock speed1825 MHz1923 MHz
Boost clock speed2150 MHz2321 MHz
Number of transistors26,800 million5,400 million
Manufacturing process technology7 nm6 nm
Power consumption (TDP)300 Watt53 Watt
Texture fill rate688.0111.4
Floating-point processing power22.02 TFLOPS3.565 TFLOPS
ROPs12832
TMUs32048
Ray Tracing Cores8012

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
Length267 mmno data
WidthQuad-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 amount32 GB4 GB
Memory bus width256 Bit64 Bit
Memory clock speed2000 MHz2000 MHz
Memory bandwidth512.0 GB/s128.0 GB/s
Resizable BAR++

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 Thunderbolt1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI++

API and SDK 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
OpenCL2.12.2
Vulkan1.21.3

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score.

Pro W6900X 38.97
+128%
RX 6400 17.09

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Pro W6900X 17413
+128%
RX 6400 7638

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary


Performance score 38.97 17.09
Recency 3 August 2021 19 January 2022
Maximum RAM amount 32 GB 4 GB
Chip lithography 7 nm 6 nm
Power consumption (TDP) 300 Watt 53 Watt

Pro W6900X has a 128% higher aggregate performance score, and a 700% higher maximum VRAM amount.

RX 6400, on the other hand, has an age advantage of 5 months, a 16.7% more advanced lithography process, and 466% lower power consumption.

The Radeon Pro W6900X is our recommended choice as it beats the Radeon RX 6400 in performance tests.

Be aware that Radeon Pro W6900X is a workstation graphics card while Radeon RX 6400 is a desktop one.

Vote for your favorite

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AMD Radeon Pro W6900X
Radeon Pro W6900X
AMD Radeon RX 6400
Radeon RX 6400

Other comparisons

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

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4.1 2132 votes

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