GeForce RTX 3090VSGeForce 8400 GS
Performance, specifications and real-world gaming comparison
♜ WINNERGeForce RTX 3090+2%Better overall performance
NVIDIA
RTX 3090
VSWINNERRTX 30902%H2H overall index
NVIDIA
8400 GS
Performances6340
Efficacité60100
Price / Performance71100
Data confidence7575
Fixed-scale H2H model. Missing metrics are omitted instead of estimated from the overall score.
SUMMARY PROFILE
Verified-metrics radar
Axes with missing data are hidden; every value uses a fixed scale.
NVIDIANVIDIAPerformance
Efficiency
Price / performance
Memory capacity
6340
60100
71100
10013
COMMUNITY · VERIFIED DATA
Open streamer setups→Hardware used by streamers
Real public setups linked to each device.
NVIDIARTX 30900No verified public setup yet
NVIDIA8400 GS0No verified public setup yet
RÉSULTAT DE LA COMPARAISON
RTX 3090 is the best overall choice
RTX 3090 leads in combined gaming performance. 8400 GS offers the better price per frame, while the final choice depends on the required features, memory, and games.
RTX 3090 leads in the combined performance index
8400 GS costs less
CATALOG POSITION
Full ranking →Graphics card ranking
Positions 69–74of 723
COMPARISON VERDICT
Which should you choose?
Two practical conclusions based on community votes and gaming value.
GeForce RTX 3090
0 J’aimeHead to Head visitors currently choose this model more often.
GeForce 8400 GS
100/100 · Price $79The choice is based on the price-to-performance index and launch price.
NOTE GLOBALE
Aperçu
Scores are calculated from specifications, performance, and efficiency.
GamesDirectX, OpenCL, and Vulkan performance
63Better
40
Professional applications3D modeling, video editing, and rendering
65
100Better
AI and machine learningMachine-learning and AI capabilities
49Better
33
Power efficiencyPower consumption across workloads
60
100Better
Head to Head scoreOverall catalog score
64Better
63
COMPARAISON COMPLÈTE
Caractéristiques
The better numeric value is highlighted in green, taking the metric direction into account.
Length——
Clock speed1395 - 1695 MHzBetter567 MHz
Base clock1395 MHzBetter567 MHz
Boost clock1695 MHzBetter567 MHz
VRAM24 GB GDDR6X512 MB DDR2Better
Memory typeGDDR6XBetterDDR2
VRAM capacity24 GB512 MBBetter
Fréquence mémoire19,5 GHz800 MHzBetter
Memory bus384 bitBetter64 bit
Memory bandwidth936 GB/s6400 GB/sBetter
InterfacePCIe 4x16BetterPCIe 1x16
Power connector16 pin-
Power consumption350 W40 WBetter
TDP350 W40 WBetter
Process node8 nmBetter80 nm
Release date2020Better2007
Architecture——
Recommended PSU——
Thickness——
HDMI——
DisplayPort——
USB Type-C——
Maximum displays——
Maximum resolution——
DirectX——
Vulkan——
OpenGL——
Upscaling——
Compute API——
TFLOPS35.58Better0.029
Launch price——
Transistor count——
Die size——
Shader units / cores——
Memory cache——
FPS en jeu
Loading test-rig results…
HEAD TO HEAD · CALCULATED INDEX
H2H workload indices
Comparable internal indices on a fixed 0–100 scale.
H2H Raster IndexH2H Index / 100634045%
H2H Compute IndexH2H Index / 100683369%
H2H Rendering IndexH2H Index / 100733278%
H2H Memory Workload IndexH2H Index / 10010013154%
H2H Efficiency IndexH2H Index / 1006010050%
These are versioned H2H calculated indices derived from normalized catalog data. They are not results from 3DMark, Geekbench, Cinebench, PassMark, Blender, or another third-party benchmark.
HEAD TO HEAD · CALCULATED INDEX
H2H AI workload indices
Estimated workload profiles based on available performance and memory data.
H2H Image Generation IndexH2H Index / 100802896%
H2H ML Training IndexH2H Index / 100782992%
H2H Inference IndexH2H Index / 100733278%
H2H Local LLM IndexH2H Index / 1008325107%
H2H Computer Vision IndexH2H Index / 100743279%
These are versioned H2H calculated indices derived from normalized catalog data. They are not results from 3DMark, Geekbench, Cinebench, PassMark, Blender, or another third-party benchmark.
Informations de base
Architecture——
Process node8 nmMeilleur80 nm
Release date2020Meilleur2007
Launch price——
Caractéristiques détaillées
Transistor count——
Die size——
Shader units / cores——
Base clock1395 MHzMeilleur567 MHz
Boost clock1695 MHzMeilleur567 MHz
Format et compatibilité
InterfacePCIe 4x16MeilleurPCIe 1x16
Length——
Thickness——
Recommended PSU——
Power connector16 pin-
Capacité et type de VRAM
VRAM24 GB GDDR6X512 MB DDR2Meilleur
Memory typeGDDR6XMeilleurDDR2
Memory bus384 bitMeilleur64 bit
Memory bandwidth936 GB/s6400 GB/sMeilleur
Memory cache——
Connectivité et sorties
HDMI——
DisplayPort——
USB Type-C——
Maximum displays——
Maximum resolution——
Compatibilité API et SDK
DirectX——
Vulkan——
OpenGL——
Upscaling——
Compute API——
HEAD TO HEAD · DISCOVER
6Autres comparaisons
740M 8300GAMDAvis et questions
AI EXPLAIN · HEAD TO HEAD
Explain this comparison
Beyond percentages: causes, relevant specifications, and practical impact behind every chart.
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 reviewed☆Helpful to the community🏅Expert badges
Questions fréquentes sur la comparaison
Short recommendations based on performance, memory, power consumption, and intended use.
01Which is better for gaming: RTX 3090 or 8400 GS?+
RTX 3090 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 3090 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 3090 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 3090 offers more overall performance, while 8400 GS offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.
05Which is better for neural networks and AI?+
RTX 3090 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 3090 leads in combined 1440p performance. 8400 GS can be preferable for heavy textures and games with high VRAM usage.
08Which is better for 4K?+
8400 GS 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 3090 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.