NVIDIA
GeForce 8400 GS vs ATI Radeon HD 3850
Full comparison of specs, performance and benchmarks
AMD
ATI Radeon HD 3850
Aggregate performance score
We've compared 8400 GS and ATI Radeon HD 3850 across specs and all relevant benchmarks.
↗8400 GS outperforms ATI Radeon HD 3850 by 8% based on our aggregate benchmark results.+8%
Scores are normalized on the Head to Head scale. Higher is better.GeForce 8400 GS vs ATI Radeon HD 3850: key takeaway
The comparison of 8400 GS and ATI Radeon HD 3850 shows a 8% advantage for 8400 GS in gaming performance, while ATI Radeon HD 3850 may still be stronger in efficiency and feature set. 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.
NVIDIA
AMDPerformance
Efficiency
Price / performance
Memory capacity
4239
100100
100100
1313
COMPARISON RESULT
8400 GS is the best overall choice
8400 GS 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.
8400 GS leads in the combined performance index
Prices are identical
CATALOG POSITION
Full ranking →Graphics card ranking
Positions 53–58of 319
COMPARISON VERDICT
Which should you choose?
Two practical conclusions based on community votes and gaming value.
GeForce 8400 GS
170 likesHead 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.
OVERALL SCORE
Overview
Scores are calculated from specifications, performance, and efficiency.
The Summary score section compares 8400 GS and ATI Radeon HD 3850 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
GamesDirectX, OpenCL, and Vulkan performance
42Better
39
Professional applications3D modeling, video editing, and rendering
37Better
34
AI and machine learningMachine-learning and AI capabilities
34Better
32
Power efficiencyPower consumption across workloads
100
100
Head to Head scoreOverall catalog score
64Better
62
FULL COMPARISON
Specifications
The better numeric value is highlighted in green, taking the metric direction into account.
The Specifications section compares 8400 GS and ATI Radeon HD 3850 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
Device classDesktopDesktop
DirectX10.010.1
OpenGL3.33.3
TFLOPS0.0290.427Better
Power consumption40 WBetter75 W
Release date20072007
ArchitectureTeslaTeraScale
Memory typeDDR2GDDR3
Power connectorNone6 pin
ThicknessSingle-slotSingle-slot
Compute APIOpenCL 1.1, CUDA 1.1OpenCL 1.x
Launch price$79Better$119
Process node80 nm55 nmBetter
Clock speed567 MHz670 MHzBetter
Base clock567 MHz670 MHzBetter
Boost clock567 MHz670 MHzBetter
VRAM512 MB DDR2512 MB GDDR3
Memory frequency800 MHzBetter1,66 GHz
Memory bus64 bit256 bitBetter
Memory bandwidth6400 GB/sBetter53 GB/s
InterfacePCIe 1x16PCIe 2x16
Power consumption40 WBetter75 W
Recommended PSU200 WBetter250 W
Length170 mmBetter208 mm
VulkanNot supportedNot supported
HDMIBoard dependentBoard dependent
Die size127 mm²Better192 mm²
Transistor count210 million666 millionBetter
Shader units / cores16320Better
Memory cacheL2 0.02 MBL2 0.25 MB
Max monitors33
Max resolution2560 × 16002560 × 1600
USB Type-CNoNo
UpscalingNot supportedNot supported
DisplayPortBoard dependentBoard dependent
GAME TEST BENCH
Gaming FPS
Available results are shown separately; missing data is not treated as zero.
The Gaming FPS section compares 8400 GS and ATI Radeon HD 3850 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.
8400 GSATI Radeon HD 3850
Verified H2HCommunity VerifiedEstimatedPredicted
Black Myth: Wukong
1080p High
24 FPSEstimated 64%
23 FPSEstimated 64%
1080p Ultra
21 FPSEstimated 64%
20 FPSEstimated 64%
1440p Ultra
12 FPSEstimated 60%
11 FPSEstimated 58%
4K Ultra
5 FPSEstimated 56%
5 FPSEstimated 55%
Black Myth: Wukong8400 GS24 FPSEstimated 64%ATI Radeon HD 385023 FPSEstimated 64%8400 GS21 FPSEstimated 64%ATI Radeon HD 385020 FPSEstimated 64%8400 GS12 FPSEstimated 60%ATI Radeon HD 385011 FPSEstimated 58%8400 GS5 FPSEstimated 56%ATI Radeon HD 38505 FPSEstimated 55%
Call of Duty: Warzone8400 GS24 FPSEstimated 64%ATI Radeon HD 385023 FPSEstimated 64%8400 GS21 FPSEstimated 64%ATI Radeon HD 385020 FPSEstimated 64%8400 GS12 FPSEstimated 60%ATI Radeon HD 385011 FPSEstimated 58%8400 GS5 FPSEstimated 56%ATI Radeon HD 38505 FPSEstimated 55%
Counter-Strike 28400 GS204 FPSEstimated 72%ATI Radeon HD 3850196 FPSEstimated 72%8400 GS143 FPSEstimated 72%ATI Radeon HD 3850138 FPSEstimated 72%8400 GS88 FPSEstimated 68%ATI Radeon HD 385077 FPSEstimated 66%8400 GS34 FPSEstimated 64%ATI Radeon HD 385029 FPSEstimated 63%
Cyberpunk 20778400 GS132 FPSEstimated 72%ATI Radeon HD 3850127 FPSEstimated 72%8400 GS113 FPSEstimated 72%ATI Radeon HD 3850109 FPSEstimated 72%8400 GS64 FPSEstimated 68%ATI Radeon HD 385056 FPSEstimated 66%8400 GS23 FPSEstimated 64%ATI Radeon HD 385020 FPSEstimated 63%
Forza Horizon 58400 GS166 FPSEstimated 78%ATI Radeon HD 3850160 FPSEstimated 78%8400 GS108 FPSEstimated 72%ATI Radeon HD 3850104 FPSEstimated 72%8400 GS79 FPSEstimated 68%ATI Radeon HD 385070 FPSEstimated 66%8400 GS49 FPSEstimated 64%ATI Radeon HD 385043 FPSEstimated 63%
God of War Ragnarök8400 GS24 FPSEstimated 64%ATI Radeon HD 385023 FPSEstimated 64%8400 GS21 FPSEstimated 64%ATI Radeon HD 385020 FPSEstimated 64%8400 GS12 FPSEstimated 60%ATI Radeon HD 385011 FPSEstimated 58%8400 GS5 FPSEstimated 56%ATI Radeon HD 38505 FPSEstimated 55%
Hogwarts Legacy8400 GS108 FPSEstimated 72%ATI Radeon HD 3850104 FPSEstimated 72%8400 GS90 FPSEstimated 72%ATI Radeon HD 385087 FPSEstimated 72%8400 GS57 FPSEstimated 68%ATI Radeon HD 385050 FPSEstimated 66%8400 GS23 FPSEstimated 64%ATI Radeon HD 385020 FPSEstimated 63%
Microsoft Flight Simulator 20248400 GS24 FPSEstimated 64%ATI Radeon HD 385023 FPSEstimated 64%8400 GS21 FPSEstimated 64%ATI Radeon HD 385020 FPSEstimated 64%8400 GS12 FPSEstimated 60%ATI Radeon HD 385011 FPSEstimated 58%8400 GS5 FPSEstimated 56%ATI Radeon HD 38505 FPSEstimated 55%
Monster Hunter Wilds8400 GS24 FPSEstimated 64%ATI Radeon HD 385023 FPSEstimated 64%8400 GS21 FPSEstimated 64%ATI Radeon HD 385020 FPSEstimated 64%8400 GS12 FPSEstimated 60%ATI Radeon HD 385011 FPSEstimated 58%8400 GS5 FPSEstimated 56%ATI Radeon HD 38505 FPSEstimated 55%
Starfield8400 GS24 FPSEstimated 64%ATI Radeon HD 385023 FPSEstimated 64%8400 GS21 FPSEstimated 64%ATI Radeon HD 385020 FPSEstimated 64%8400 GS12 FPSEstimated 60%ATI Radeon HD 385011 FPSEstimated 58%8400 GS5 FPSEstimated 56%ATI Radeon HD 38505 FPSEstimated 55%
HEAD TO HEAD · CALCULATED INDEX
H2H workload indices
Comparable internal indices on a fixed 0–100 scale.
The Benchmarks section compares 8400 GS and ATI Radeon HD 3850 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
H2H Raster IndexH2H Index / 10042397%
H2H Compute IndexH2H Index / 10034333%
H2H Rendering IndexH2H Index / 10034326%
H2H Memory Workload IndexH2H Index / 10013130%
H2H Efficiency IndexH2H Index / 1001001000%
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 8400 GS and ATI Radeon HD 3850 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
H2H Image Generation IndexH2H Index / 10029277%
H2H ML Training IndexH2H Index / 10030287%
H2H Inference IndexH2H Index / 10034326%
H2H Local LLM IndexH2H Index / 10026248%
H2H Computer Vision IndexH2H Index / 10033316%
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 8400 GS and ATI Radeon HD 3850 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
DirectX10.010.1
VulkanNot supportedNot supported
OpenGL3.33.3
UpscalingNot supportedNot supported
Compute APIOpenCL 1.1, CUDA 1.1OpenCL 1.x
Architecture and release
The Architecture and release section compares 8400 GS and ATI Radeon HD 3850 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
ArchitectureTeslaTeraScale
Process node80 nm55 nmBetter
Release date20072007
Device classDesktopDesktop
GPU cores, die and clocks
The Core layout and clocks section compares 8400 GS and ATI Radeon HD 3850 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
Transistor count210 million666 millionBetter
Die size127 mm²Better192 mm²
Shader units / cores16320Better
Base clock567 MHz670 MHzBetter
Boost clock567 MHz670 MHzBetter
Board size, power and compatibility
The Form factor and compatibility section compares 8400 GS and ATI Radeon HD 3850 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
InterfacePCIe 1x16PCIe 2x16
Length170 mmBetter208 mm
ThicknessSingle-slotSingle-slot
Recommended PSU200 WBetter250 W
Power connectorNone6 pin
Display outputs and limits
The Display outputs section compares 8400 GS and ATI Radeon HD 3850 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
HDMIBoard dependentBoard dependent
DisplayPortBoard dependentBoard dependent
USB Type-CNoNo
Max monitors33
Max resolution2560 × 16002560 × 1600
Memory and compute throughput
The VRAM capacity and bandwidth section compares 8400 GS and ATI Radeon HD 3850 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
VRAM512 MB DDR2512 MB GDDR3
Memory typeDDR2GDDR3
Memory bus64 bit256 bitBetter
TFLOPS0.0290.427Better
HEAD TO HEAD · DISCOVER
6Other comparisons
Arc A310IntelReviews and 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
Frequently asked comparison questions
Short recommendations based on performance, memory, power consumption, and intended use.
01Which is better for gaming: 8400 GS or ATI Radeon HD 3850?+
8400 GS 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?+
8400 GS 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?+
8400 GS is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.
04Which is better for video editing?+
8400 GS 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?+
8400 GS 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?+
8400 GS 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 8400 GS 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.