GeForce 9400 GT vs Radeon 520

Full comparison of specs, performance and benchmarks

Aggregate performance score

We've compared 9400 GT and Radeon 520 across specs and all relevant benchmarks.

9400 GT outperforms Radeon 520 by ~8% on the catalog index; this is not a measured FPS gain.+8%

Scores are normalized on the Head to Head scale. Higher is better. How is this calculated?

H2HBench Data Quality

Low confidence
Specifications: Field verification not recordedVerified gaming results: 0Estimated / unverified results: 32Price record updated: Sep 6, 2026

Limited verified data

H2HBench Verdict

Higher catalog score: GeForce 9400 GT (~48%)

The score difference is not a measured FPS improvement.

Reasons to consider 9400 GT

  • Higher catalog performance index
  • Higher catalog value index
  • Recorded feature support: OpenCL 1.1, CUDA 1.1 · Not supported

Reasons to consider Radeon 520

  • Recorded feature support: OpenCL 2.0 / DirectCompute 5.0 · Not supported
Low confidence

Catalog metrics radar

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

H2H
Performance
Price / performance
Performance
4138
Price / performance
10065
Missing values are never replaced with zero or an average.Model: H2H 2026.07 fixed scale.

Graphics card ranking

Full ranking →

The ranking is recalculated automatically from catalog data.

Positions 192–197of 321
9400 GTnot in TOP100position in the GPU ranking
Radeon 520not in TOP100position in the GPU ranking

Which should you choose?

Two practical conclusions based on community votes and gaming value.

COMMUNITY CHOICE

GeForce 9400 GT

173 likes

Head to Head visitors currently choose this model more often.

Overview

Scores are calculated from specifications, performance, and efficiency.

Category9400 GTRadeon 520
GamesDirectX, OpenCL, and Vulkan performance
41Better
38
Professional applications3D modeling, video editing, and rendering
36Better
34
AI and machine learningMachine-learning and AI capabilities
34Better
31
Power efficiencyPower consumption across workloads
100Better
33
Head to Head scoreOverall catalog score
59Better
40

Specifications

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

Specification9400 GTRadeon 520
Device class
DirectX
OpenGL
TFLOPS
Power consumption
Release date
Architecture
Compute API
Launch price
Shader units / cores
Die size
Memory cache
Max monitors
Clock speed
Base clock
Boost clock
Transistor count
Memory frequency
Memory type
Power connector
Thickness
VRAM
Memory bus
Memory bandwidth
Interface
Power consumption
Process node
Recommended PSU
Length
Max resolution
USB Type-C
Vulkan
DisplayPort
HDMI
Upscaling

Gaming FPS

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

The Gaming FPS section compares 9400 GT and Radeon 520 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.

9400 GTRadeon 520
Verified externalEstimatedSources ↗
Counter-Strike 2

Counter-Strike 2

1080p High
196 FPS
157 FPS
1080p Ultra
138 FPS
111 FPS
1440p Ultra
88 FPS
86 FPS
4K Ultra
33 FPS
43 FPS
Game1080p High1080p Ultra1440p Ultra4K Ultra
Counter-Strike 29400 GT196 FPSRadeon 520157 FPS9400 GT138 FPSRadeon 520111 FPS9400 GT88 FPSRadeon 52086 FPS9400 GT33 FPSRadeon 52043 FPS
Cyberpunk 20779400 GT127 FPSRadeon 520102 FPS9400 GT109 FPSRadeon 52088 FPS9400 GT63 FPSRadeon 52062 FPS9400 GT22 FPSRadeon 52029 FPS
Forza Horizon 59400 GT160 FPSRadeon 520128 FPS9400 GT104 FPSRadeon 52083 FPS9400 GT79 FPSRadeon 52077 FPS9400 GT48 FPSRadeon 52063 FPS
Hogwarts Legacy9400 GT104 FPSRadeon 52083 FPS9400 GT87 FPSRadeon 52069 FPS9400 GT57 FPSRadeon 52056 FPS9400 GT22 FPSRadeon 52029 FPS
Average FPS9400 GT147 FPSRadeon 520118 FPS9400 GT110 FPSRadeon 52088 FPS9400 GT72 FPSRadeon 52070 FPS9400 GT31 FPSRadeon 52041 FPS

H2H workload indices

Comparable internal indices on a fixed 0–100 scale.

Index9400 GTRadeon 520Difference
H2H Raster IndexH2H Index / 10041388%
H2H Compute IndexH2H Index / 100323817%
H2H Rendering IndexH2H Index / 100313820%
H2H Memory Workload IndexH2H Index / 10070200%
H2H Efficiency IndexH2H Index / 1001000200%

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

H2H AI workload indices

Estimated workload profiles based on available performance and memory data.

Index9400 GTRadeon 520Difference
H2H Image Generation IndexH2H Index / 100263838%
H2H ML Training IndexH2H Index / 100273834%
H2H Inference IndexH2H Index / 100313820%
H2H Local LLM IndexH2H Index / 100223853%
H2H Computer Vision IndexH2H Index / 100313820%

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

Specifications9400 GTRadeon 520
DirectX10.012.0
VulkanNot supported1.2
OpenGL3.34.6
UpscalingNot supportedNot supported
Compute APIOpenCL 1.1, CUDA 1.1OpenCL 2.0 / DirectCompute 5.0

Architecture and release

Specifications9400 GTRadeon 520
ArchitectureTeslaPolaris
Process node65 nm
Release date20082017
Device classDesktopMobile

GPU cores, die and clocks

Specifications9400 GTRadeon 520
Transistor count314 millionNot publicly specified
Die size121 mm²Not publicly specified
Shader units / cores16Not publicly specified
Base clock550 MHzOEM/TGP dependent
Boost clock550 MHzOEM/TGP dependent

Board size, power and compatibility

Specifications9400 GTRadeon 520
InterfacePCIe 2x16OEM platform dependent
Length168 mmOEM dependent
ThicknessSingle-slotOEM dependent
Recommended PSU250 WOEM dependent
Power connectorNoneIntegrated laptop power

Display outputs and limits

Specifications9400 GTRadeon 520
HDMIBoard dependentOEM dependent
DisplayPortBoard dependentOEM dependent
USB Type-CNoOEM dependent
Max monitors3OEM dependent
Max resolution2560 × 1600OEM dependent

Memory and compute throughput

Specifications9400 GTRadeon 520
VRAM256 MB DDR2OEM configuration dependent
Memory typeDDR2GDDR5
Memory bus128 bitOEM configuration dependent
TFLOPS0.045OEM/TGP dependent

Other comparisons

0

Reviews and questions

Explain this comparison

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

Device A9400 GT59
Device BRadeon 52040
What AI will explain

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

Evidence details

Data coverage

Verified gaming results
0
Verified synthetic results
0
Games with verified results
0
Verified community results
0
Estimated / unverified results
32
Specifications
0 / 63

Specification record updated:

Benchmarks updated:

Price record updated:

Comparison reviewed:

Calculated scores · How is this calculated?

Scores use the catalog model and may include estimated inputs. Open each score to see its origin and the methodology.

clamp(round(performance × 0.7 + (efficiency ?? 50) × 0.2 + (value is missing ? 0 : (value − 50) × 0.2)), 0, 100)
Price evidence · View sources (3)

Verified community results

No verified community benchmarks yet.

Reviewed by

No individual editorial review is recorded for this comparison.

Comparison history

Show recorded changes (3)
  1. · Record updated: products
  2. · Record updated: products
  3. · Record updated: products

Why you can trust this comparison

Origin and confidence are evaluated from the evidence attached to each value. Unverified results are identified, and specification, benchmark and price dates remain separate.

Report incorrect data

Owner experiences

Real builds, results, and community feedback.

Moderator reviewedHelpful to the communityExpert badges

Frequently asked comparison questions

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

01Which is better for gaming: 9400 GT or Radeon 520?

9400 GT has the higher overall gaming score, while 9400 GT offers the better price-to-performance ratio. The final choice depends on resolution and settings.

02Which is better for streaming?

9400 GT 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?

9400 GT is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.

04Which is better for video editing?

9400 GT offers more overall performance, while 9400 GT offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.

05Which is better for neural networks and AI?

9400 GT is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.

06Which is better for 1080p?

9400 GT is the most rational 1080p choice, where high frame rates and cost per frame matter most.

07Which is better for 1440p?

9400 GT leads in combined 1440p performance. 9400 GT can be preferable for heavy textures and games with high VRAM usage.

08Which is better for 4K?

9400 GT is preferable for 4K, where total performance, memory bandwidth, and VRAM capacity have the greatest impact.

09Which is better for a quiet PC?

9400 GT 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?

9400 GT 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 9400 GT 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.