H2H

Radeon RX 6900 XT vs Radeon RX 6400

Full comparison of specs, performance and benchmarks

VS

Aggregate performance score

We've compared RX 6900 XT and RX 6400 across specs and all relevant benchmarks.

RX 6900 XT outperforms RX 6400 by 73% based on our aggregate benchmark results.+73%

Scores are normalized on the Head to Head scale. Higher is better.
QUICK COMPARISON ANALYSIS

Radeon RX 6900 XT vs Radeon RX 6400: key takeaway

The comparison of RX 6900 XT and RX 6400 shows a 73% advantage for RX 6900 XT in gaming performance, while RX 6400 may still be stronger in value for money. Use the sections below to check whether that lead comes from real FPS, specifications, efficiency, price or platform features.

SUMMARY PROFILE

Verified-metrics radar

Axes with missing data are hidden; every value uses a fixed scale.

H2H
Performance
Efficiency
Price / performance
Memory capacity
Performance
5733
Efficiency
63100
Price / performance
83100
Memory capacity
8860
Missing values are never replaced with zero or an average.Model: H2H 2026.07 fixed scale.
COMPARISON RESULT

RX 6900 XT is the best overall choice

RX 6900 XT leads in combined game performance. RX 6400 offers the better price per frame, while the final choice depends on the required features, memory, and games.

PERFORMANCE DIFFERENCE9%

RX 6900 XT leads in the combined performance index

PRICE DIFFERENCE$410

RX 6400 costs less

CATALOG POSITION

Graphics card ranking

Full ranking →

The ranking is recalculated automatically from catalog data.

Positions 68–73of 317
RX 6900 XT#70position in the GPU ranking
RX 6400not in TOP100position in the GPU ranking
COMPARISON VERDICT

Which should you choose?

Two practical conclusions based on community votes and gaming value.

COMMUNITY CHOICE

Radeon RX 6900 XT

133 likes

Head to Head visitors currently choose this model more often.

$/FPSBEST PRICE / FPS

Radeon RX 6400

100/100 · Price $159

The choice is based on the price-to-performance index and launch price.

OVERALL SCORE

Overview

Scores are calculated from specifications, performance, and efficiency.

The Summary score section compares RX 6900 XT and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.

CategoryRX 6900 XTRX 6400
GamesDirectX, OpenCL, and Vulkan performance
57Better
33
Professional applications3D modeling, video editing, and rendering
47Better
30
AI and machine learningMachine-learning and AI capabilities
45Better
28
Power efficiencyPower consumption across workloads
63
100Better
Head to Head scoreOverall catalog score
63Better
58
FULL COMPARISON

Specifications

The better numeric value is highlighted in green, taking the metric direction into account.

The Specifications section compares RX 6900 XT and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationRX 6900 XTRX 6400
DisplayPortDisplayPort 1.4aDisplayPort 1.4a
HDMIHDMI 2.1HDMI 2.1
Device classDesktopDesktop
UpscalingFSRFSR
DirectX12.212.2
Vulkan1.41.4
OpenGL4.64.6
TFLOPS23.04Better3.565
Power consumption300 W53 WBetter
Memory typeGDDR6GDDR6
Power connector8+8 pinNone
Release date20202022
ArchitectureRDNA 2.0RDNA 2.0
ThicknessTriple-slotSingle-slot
Compute APIOpenCL 2.1OpenCL 2.2
Launch price$999$159Better
Shader units / cores5120Better768
Clock speed1825 - 2250 MHz1923 - 2321 MHzBetter
Base clock1825 MHz1923 MHzBetter
Boost clock2250 MHz2321 MHzBetter
VRAM16 GB GDDR6Better4 GB GDDR6
Memory frequency16 GHz16 GHz
Memory bus256 bitBetter64 bit
Memory bandwidth512 GB/sBetter128 GB/s
InterfacePCIe 4x16PCIe 4x4
Power consumption300 W53 WBetter
Process node7 nm6 nmBetter
Recommended PSU700 W250 WBetter
Length267 mmVaries by board
Die size520 mm²107 mm²Better
Memory cacheL1 128 KB, L2 4 MBL1 128 KB, L2 1 MB
Transistor count26800 millionBetter5400 million
Max monitors42
Max resolution7680 × 43207680 × 4320
USB Type-CYesNo
GAME TEST BENCH

Gaming FPS

Available results are shown separately; missing data is not treated as zero.

The Gaming FPS section compares RX 6900 XT and RX 6400 across curated H2H Lab game presets. The useful signal is not only average FPS, but also how each device behaves at 1440p and 4K, how memory capacity and bus width affect heavy textures, and whether the game engine favors raster performance, ray tracing, or driver maturity.

RX 6900 XTRX 6400
Verified H2HCommunity VerifiedEstimatedPredicted
Black Myth: Wukong

Black Myth: Wukong

1080p High
28 FPSEstimated 66%
20 FPSEstimated 64%
1080p Ultra
24 FPSEstimated 66%
17 FPSEstimated 64%
1440p Ultra
18 FPSEstimated 66%
9 FPSEstimated 58%
4K Ultra
10 FPSEstimated 66%
5 FPSEstimated 55%
Game1080p High1080p Ultra1440p Ultra4K Ultra
Black Myth: WukongRX 6900 XT28 FPSEstimated 66%RX 640020 FPSEstimated 64%RX 6900 XT24 FPSEstimated 66%RX 640017 FPSEstimated 64%RX 6900 XT18 FPSEstimated 66%RX 64009 FPSEstimated 58%RX 6900 XT10 FPSEstimated 66%RX 64005 FPSEstimated 55%
Call of Duty: WarzoneRX 6900 XT28 FPSEstimated 66%RX 640020 FPSEstimated 64%RX 6900 XT24 FPSEstimated 66%RX 640017 FPSEstimated 64%RX 6900 XT18 FPSEstimated 66%RX 64009 FPSEstimated 58%RX 6900 XT10 FPSEstimated 66%RX 64005 FPSEstimated 55%
Counter-Strike 2RX 6900 XT233 FPSEstimated 74%RX 6400168 FPSEstimated 72%RX 6900 XT164 FPSEstimated 74%RX 6400118 FPSEstimated 72%RX 6900 XT127 FPSEstimated 74%RX 640063 FPSEstimated 66%RX 6900 XT63 FPSEstimated 74%RX 640023 FPSEstimated 62%
Cyberpunk 2077RX 6900 XT150 FPSEstimated 74%RX 6400109 FPSEstimated 72%RX 6900 XT129 FPSEstimated 74%RX 640093 FPSEstimated 72%RX 6900 XT92 FPSEstimated 74%RX 640046 FPSEstimated 66%RX 6900 XT42 FPSEstimated 74%RX 640015 FPSEstimated 62%
Forza Horizon 5RX 6900 XT189 FPSEstimated 80%RX 6400137 FPSEstimated 78%RX 6900 XT123 FPSEstimated 74%RX 640088 FPSEstimated 72%RX 6900 XT114 FPSEstimated 74%RX 640057 FPSEstimated 66%RX 6900 XT93 FPSEstimated 74%RX 640033 FPSEstimated 62%
God of War RagnarökRX 6900 XT28 FPSEstimated 66%RX 640020 FPSEstimated 64%RX 6900 XT24 FPSEstimated 66%RX 640017 FPSEstimated 64%RX 6900 XT18 FPSEstimated 66%RX 64009 FPSEstimated 58%RX 6900 XT10 FPSEstimated 66%RX 64005 FPSEstimated 55%
Hogwarts LegacyRX 6900 XT123 FPSEstimated 74%RX 640089 FPSEstimated 72%RX 6900 XT103 FPSEstimated 74%RX 640074 FPSEstimated 72%RX 6900 XT83 FPSEstimated 74%RX 640041 FPSEstimated 66%RX 6900 XT43 FPSEstimated 74%RX 640016 FPSEstimated 62%
Microsoft Flight Simulator 2024RX 6900 XT28 FPSEstimated 66%RX 640020 FPSEstimated 64%RX 6900 XT24 FPSEstimated 66%RX 640017 FPSEstimated 64%RX 6900 XT18 FPSEstimated 66%RX 64009 FPSEstimated 58%RX 6900 XT10 FPSEstimated 66%RX 64005 FPSEstimated 55%
Monster Hunter WildsRX 6900 XT28 FPSEstimated 66%RX 640020 FPSEstimated 64%RX 6900 XT24 FPSEstimated 66%RX 640017 FPSEstimated 64%RX 6900 XT18 FPSEstimated 66%RX 64009 FPSEstimated 58%RX 6900 XT10 FPSEstimated 66%RX 64005 FPSEstimated 55%
StarfieldRX 6900 XT28 FPSEstimated 66%RX 640020 FPSEstimated 64%RX 6900 XT24 FPSEstimated 66%RX 640017 FPSEstimated 64%RX 6900 XT18 FPSEstimated 66%RX 64009 FPSEstimated 58%RX 6900 XT10 FPSEstimated 66%RX 64005 FPSEstimated 55%
Average FPSRX 6900 XT86 FPSRX 640062 FPSRX 6900 XT66 FPSRX 640048 FPSRX 6900 XT52 FPSRX 640026 FPSRX 6900 XT30 FPSRX 640012 FPS
HEAD TO HEAD · CALCULATED INDEX

H2H workload indices

Comparable internal indices on a fixed 0–100 scale.

The Benchmarks section compares RX 6900 XT and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.

IndexRX 6900 XTRX 6400Difference
H2H Raster IndexH2H Index / 100573353%
H2H Compute IndexH2H Index / 100644437%
H2H Rendering IndexH2H Index / 100664147%
H2H Memory Workload IndexH2H Index / 100886038%
H2H Efficiency IndexH2H Index / 1006310045%

These are versioned H2H calculated indices derived from normalized catalog data. They are not results from a third-party benchmark.

HEAD TO HEAD · CALCULATED INDEX

H2H AI workload indices

Estimated workload profiles based on available performance and memory data.

The Detailed comparison section compares RX 6900 XT and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.

IndexRX 6900 XTRX 6400Difference
H2H Image Generation IndexH2H Index / 100714545%
H2H ML Training IndexH2H Index / 100694444%
H2H Inference IndexH2H Index / 100664147%
H2H Local LLM IndexH2H Index / 100744843%
H2H Computer Vision IndexH2H Index / 100664147%

These are versioned H2H calculated indices derived from normalized catalog data. They are not results from a third-party benchmark.

Graphics APIs, SDKs and upscaling

The Graphics APIs, SDKs and upscaling section compares RX 6900 XT and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationsRX 6900 XTRX 6400
DirectX12.212.2
Vulkan1.41.4
OpenGL4.64.6
UpscalingFSRFSR
Compute APIOpenCL 2.1OpenCL 2.2

Architecture and release

The Architecture and release section compares RX 6900 XT and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationsRX 6900 XTRX 6400
ArchitectureRDNA 2.0RDNA 2.0
Process node7 nm6 nmBetter
Release date20202022
Device classDesktopDesktop

GPU cores, die and clocks

The Core layout and clocks section compares RX 6900 XT and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationsRX 6900 XTRX 6400
Transistor count26800 millionBetter5400 million
Die size520 mm²107 mm²Better
Shader units / cores5120Better768
Base clock1825 MHz1923 MHzBetter
Boost clock2250 MHz2321 MHzBetter

Board size, power and compatibility

The Form factor and compatibility section compares RX 6900 XT and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationsRX 6900 XTRX 6400
InterfacePCIe 4x16PCIe 4x4
Length267 mmVaries by board
ThicknessTriple-slotSingle-slot
Recommended PSU700 W250 WBetter
Power connector8+8 pinNone

Display outputs and limits

The Display outputs section compares RX 6900 XT and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationsRX 6900 XTRX 6400
HDMIHDMI 2.1HDMI 2.1
DisplayPortDisplayPort 1.4aDisplayPort 1.4a
USB Type-CYesNo
Max monitors42
Max resolution7680 × 43207680 × 4320

Memory and compute throughput

The VRAM capacity and bandwidth section compares RX 6900 XT and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationsRX 6900 XTRX 6400
VRAM16 GB GDDR6Better4 GB GDDR6
Memory typeGDDR6GDDR6
Memory bus256 bitBetter64 bit
TFLOPS23.04Better3.565
HEAD TO HEAD · DISCOVER

Other comparisons

6

Reviews and questions

AI EXPLAIN · HEAD TO HEAD

Explain this comparison

Beyond percentages: causes, relevant specifications, and practical impact behind every chart.

Device ARX 6900 XT63
Device BRX 640058
What AI will explain

Overall score, radar, FPS, synthetic tests, specifications, efficiency, and value.

REAL CONFIGURATIONS

Owner experiences

Real builds, results, and community feedback.

Moderator reviewedHelpful to the community🏅Expert badges
FAQ · CHOOSE BY USE CASE

Frequently asked comparison questions

Short recommendations based on performance, memory, power consumption, and intended use.

01Which is better for gaming: RX 6900 XT or RX 6400?

RX 6900 XT has the higher overall gaming score, while RX 6400 offers the better price-to-performance ratio. The final choice depends on resolution and settings.

02Which is better for streaming?

RX 6900 XT is the stronger streaming choice thanks to performance, hardware encoding, and application support. Check AV1, H.264, and HEVC support before buying.

03Which is better for Blender?

RX 6900 XT is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.

04Which is better for video editing?

RX 6900 XT offers more overall performance, while RX 6900 XT offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.

05Which is better for neural networks and AI?

RX 6900 XT is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.

06Which is better for 1080p?

RX 6400 is the most rational 1080p choice, where high frame rates and cost per frame matter most.

07Which is better for 1440p?

RX 6900 XT leads in combined 1440p performance. RX 6900 XT can be preferable for heavy textures and games with high VRAM usage.

08Which is better for 4K?

RX 6900 XT is preferable for 4K, where total performance, memory bandwidth, and VRAM capacity have the greatest impact.

09Which is better for a quiet PC?

RX 6400 is easier to use in a quiet build because of its lower estimated power and thermal load. Actual noise depends on the specific cooler.

10Which is better without replacing the power supply?

RX 6400 is the safer candidate because its stated power consumption is lower. Verify PSU wattage, age, and power connectors.

11Is it worth upgrading from the previous generation?

Consider upgrading to RX 6900 XT if your current device no longer delivers the required FPS, memory capacity, or feature support. A gain below 15–20% is usually worth waiting for a price cut.