H2H

GeForce RTX 5090 vs GeForce 8400 GS

Full comparison of specs, performance and benchmarks

Aggregate performance score

We've compared RTX 5090 and 8400 GS across specs and all relevant benchmarks.

RTX 5090 outperforms 8400 GS by 138% based on our aggregate benchmark results.+138%

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

GeForce RTX 5090 vs GeForce 8400 GS: key takeaway

The comparison of RTX 5090 and 8400 GS shows a 138% advantage for RTX 5090 in gaming performance, while 8400 GS 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
10042
Efficiency
58100
Price / performance
50100
Memory capacity
10013
Missing values are never replaced with zero or an average.Model: H2H 2026.07 fixed scale.
COMPARISON RESULT

RTX 5090 is the best overall choice

RTX 5090 leads in combined game performance. 8400 GS offers the better price per frame, while the final choice depends on the required features, memory, and games.

PERFORMANCE DIFFERENCE28%

RTX 5090 leads in the combined performance index

PRICE DIFFERENCE$2,480

8400 GS costs less

CATALOG POSITION

Graphics card ranking

Full ranking →

The ranking is recalculated automatically from catalog data.

Positions 1–6of 317
RTX 5090#1position in the GPU ranking
8400 GS#61position in the GPU ranking
COMPARISON VERDICT

Which should you choose?

Two practical conclusions based on community votes and gaming value.

COMMUNITY CHOICE

GeForce 8400 GS

170 likes

Head to Head visitors currently choose this model more often.

$/FPSBEST PRICE / FPS

GeForce 8400 GS

100/100 · Price $79

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 RTX 5090 and 8400 GS with normalized H2H data, turning specifications, tests and value signals into practical buying context.

CategoryRTX 50908400 GS
GamesDirectX, OpenCL, and Vulkan performance
100Better
42
Professional applications3D modeling, video editing, and rendering
78Better
37
AI and machine learningMachine-learning and AI capabilities
76Better
34
Power efficiencyPower consumption across workloads
58
100Better
Head to Head scoreOverall catalog score
82Better
64
FULL COMPARISON

Specifications

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

The Specifications section compares RTX 5090 and 8400 GS with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationRTX 50908400 GS
HDMIHDMI 2.1b
Device classDesktopDesktop
DirectX12.210.0
Vulkan1.4
OpenGL4.63.3
UpscalingDLSS 4
Compute APIOpenCL 3.0, CUDA 12.0OpenCL 1.1, CUDA 1.1
DisplayPortDisplayPort 2.1b
Release date20252007
Launch price$79
ArchitectureBlackwell 2.0Tesla
Recommended PSU950 W200 WBetter
Length304 mm170 mmBetter
ThicknessDual-slotSingle-slot
Max monitors43
Max resolution7680 × 43202560 × 1600
Transistor count92.2 billionBetter210 million
Die size750 mm²127 mm²Better
Shader units / cores21760Better16
TFLOPS104.8Better0.029
Power consumption575 W40 WBetter
Memory typeGDDR7DDR2
Power connector16 pinNone
Base clock2017 MHzBetter567 MHz
Clock speed2017 - 2407 MHzBetter567 MHz
Boost clock2407 MHzBetter567 MHz
VRAM32 GB GDDR7512 MB DDR2Better
Memory frequency28 GHz800 MHzBetter
Memory bus512 bitBetter64 bit
Memory bandwidth1792 GB/s6400 GB/sBetter
InterfacePCIe 5x16PCIe 1x16
Power consumption575 W40 WBetter
Process node4 nmBetter80 nm
USB Type-CNoNo
Memory cache96 MB L2BetterL2 0.02 MB
GAME TEST BENCH

Gaming FPS

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

The Gaming FPS section compares RTX 5090 and 8400 GS 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.

RTX 50908400 GS
Verified H2HCommunity VerifiedEstimatedPredicted
Black Myth: Wukong

Black Myth: Wukong

1080p High
51 FPSEstimated 66%
24 FPSEstimated 64%
1080p Ultra
44 FPSEstimated 66%
21 FPSEstimated 64%
1440p Ultra
33 FPSEstimated 66%
12 FPSEstimated 60%
4K Ultra
19 FPSEstimated 66%
5 FPSEstimated 56%
Game1080p High1080p Ultra1440p Ultra4K Ultra
Black Myth: WukongRTX 509051 FPSEstimated 66%8400 GS24 FPSEstimated 64%RTX 509044 FPSEstimated 66%8400 GS21 FPSEstimated 64%RTX 509033 FPSEstimated 66%8400 GS12 FPSEstimated 60%RTX 509019 FPSEstimated 66%8400 GS5 FPSEstimated 56%
Call of Duty: WarzoneRTX 509051 FPSEstimated 66%8400 GS24 FPSEstimated 64%RTX 509044 FPSEstimated 66%8400 GS21 FPSEstimated 64%RTX 509033 FPSEstimated 66%8400 GS12 FPSEstimated 60%RTX 509019 FPSEstimated 66%8400 GS5 FPSEstimated 56%
Counter-Strike 2RTX 5090416 FPSEstimated 74%8400 GS204 FPSEstimated 72%RTX 5090288 FPSEstimated 74%8400 GS143 FPSEstimated 72%RTX 5090215 FPSEstimated 74%8400 GS88 FPSEstimated 68%RTX 5090109 FPSEstimated 74%8400 GS34 FPSEstimated 64%
Cyberpunk 2077RTX 5090262 FPSEstimated 74%8400 GS132 FPSEstimated 72%RTX 5090234 FPSEstimated 74%8400 GS113 FPSEstimated 72%RTX 5090162 FPSEstimated 74%8400 GS64 FPSEstimated 68%RTX 509078 FPSEstimated 74%8400 GS23 FPSEstimated 64%
Forza Horizon 5RTX 5090324 FPSEstimated 80%8400 GS166 FPSEstimated 78%RTX 5090221 FPSEstimated 74%8400 GS108 FPSEstimated 72%RTX 5090196 FPSEstimated 74%8400 GS79 FPSEstimated 68%RTX 5090150 FPSEstimated 74%8400 GS49 FPSEstimated 64%
God of War RagnarökRTX 509051 FPSEstimated 66%8400 GS24 FPSEstimated 64%RTX 509044 FPSEstimated 66%8400 GS21 FPSEstimated 64%RTX 509033 FPSEstimated 66%8400 GS12 FPSEstimated 60%RTX 509019 FPSEstimated 66%8400 GS5 FPSEstimated 56%
Hogwarts LegacyRTX 5090214 FPSEstimated 74%8400 GS108 FPSEstimated 72%RTX 5090179 FPSEstimated 74%8400 GS90 FPSEstimated 72%RTX 5090143 FPSEstimated 74%8400 GS57 FPSEstimated 68%RTX 509084 FPSEstimated 74%8400 GS23 FPSEstimated 64%
Microsoft Flight Simulator 2024RTX 509051 FPSEstimated 66%8400 GS24 FPSEstimated 64%RTX 509044 FPSEstimated 66%8400 GS21 FPSEstimated 64%RTX 509033 FPSEstimated 66%8400 GS12 FPSEstimated 60%RTX 509019 FPSEstimated 66%8400 GS5 FPSEstimated 56%
Monster Hunter WildsRTX 509051 FPSEstimated 66%8400 GS24 FPSEstimated 64%RTX 509044 FPSEstimated 66%8400 GS21 FPSEstimated 64%RTX 509033 FPSEstimated 66%8400 GS12 FPSEstimated 60%RTX 509019 FPSEstimated 66%8400 GS5 FPSEstimated 56%
StarfieldRTX 509051 FPSEstimated 66%8400 GS24 FPSEstimated 64%RTX 509044 FPSEstimated 66%8400 GS21 FPSEstimated 64%RTX 509033 FPSEstimated 66%8400 GS12 FPSEstimated 60%RTX 509019 FPSEstimated 66%8400 GS5 FPSEstimated 56%
Average FPSRTX 5090152 FPS8400 GS75 FPSRTX 5090119 FPS8400 GS58 FPSRTX 509091 FPS8400 GS36 FPSRTX 509054 FPS8400 GS16 FPS
HEAD TO HEAD · CALCULATED INDEX

H2H workload indices

Comparable internal indices on a fixed 0–100 scale.

The Benchmarks section compares RTX 5090 and 8400 GS with normalized H2H data, turning specifications, tests and value signals into practical buying context.

IndexRTX 50908400 GSDifference
H2H Raster IndexH2H Index / 1001004282%
H2H Compute IndexH2H Index / 100973496%
H2H Rendering IndexH2H Index / 1001003499%
H2H Memory Workload IndexH2H Index / 10010013154%
H2H Efficiency IndexH2H Index / 1005810053%

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 RTX 5090 and 8400 GS with normalized H2H data, turning specifications, tests and value signals into practical buying context.

IndexRTX 50908400 GSDifference
H2H Image Generation IndexH2H Index / 10010029110%
H2H ML Training IndexH2H Index / 10010030108%
H2H Inference IndexH2H Index / 1001003499%
H2H Local LLM IndexH2H Index / 10010026117%
H2H Computer Vision IndexH2H Index / 10010033101%

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 RTX 5090 and 8400 GS with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationsRTX 50908400 GS
DirectX12.210.0
Vulkan1.4
OpenGL4.63.3
UpscalingDLSS 4
Compute APIOpenCL 3.0, CUDA 12.0OpenCL 1.1, CUDA 1.1

Architecture and release

The Architecture and release section compares RTX 5090 and 8400 GS with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationsRTX 50908400 GS
ArchitectureBlackwell 2.0Tesla
Process node4 nmBetter80 nm
Release date20252007
Device classDesktopDesktop

GPU cores, die and clocks

The Core layout and clocks section compares RTX 5090 and 8400 GS with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationsRTX 50908400 GS
Transistor count92.2 billionBetter210 million
Die size750 mm²127 mm²Better
Shader units / cores21760Better16
Base clock2017 MHzBetter567 MHz
Boost clock2407 MHzBetter567 MHz

Board size, power and compatibility

The Form factor and compatibility section compares RTX 5090 and 8400 GS with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationsRTX 50908400 GS
InterfacePCIe 5x16PCIe 1x16
Length304 mm170 mmBetter
ThicknessDual-slotSingle-slot
Recommended PSU950 W200 WBetter
Power connector16 pinNone

Display outputs and limits

The Display outputs section compares RTX 5090 and 8400 GS with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationsRTX 50908400 GS
HDMIHDMI 2.1b
DisplayPortDisplayPort 2.1b
USB Type-CNoNo
Max monitors43
Max resolution7680 × 43202560 × 1600

Memory and compute throughput

The VRAM capacity and bandwidth section compares RTX 5090 and 8400 GS with normalized H2H data, turning specifications, tests and value signals into practical buying context.

SpecificationsRTX 50908400 GS
VRAM32 GB GDDR7512 MB DDR2Better
Memory typeGDDR7DDR2
Memory bus512 bitBetter64 bit
TFLOPS104.8Better0.029
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 ARTX 509082
Device B8400 GS64
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: RTX 5090 or 8400 GS?

RTX 5090 has the higher overall gaming score, while 8400 GS offers the better price-to-performance ratio. The final choice depends on resolution and settings.

02Which is better for streaming?

RTX 5090 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?

RTX 5090 is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.

04Which is better for video editing?

RTX 5090 offers more overall performance, while RTX 5090 offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.

05Which is better for neural networks and AI?

RTX 5090 is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.

06Which is better for 1080p?

8400 GS is the most rational 1080p choice, where high frame rates and cost per frame matter most.

07Which is better for 1440p?

RTX 5090 leads in combined 1440p performance. RTX 5090 can be preferable for heavy textures and games with high VRAM usage.

08Which is better for 4K?

RTX 5090 is preferable for 4K, where total performance, memory bandwidth, and VRAM capacity have the greatest impact.

09Which is better for a quiet PC?

8400 GS 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?

8400 GS 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 RTX 5090 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.