Radeon R9 Nano vs Radeon RX 6400

Full comparison of specs, performance and benchmarks

Aggregate performance score

We've compared R9 Nano and RX 6400 across specs and all relevant benchmarks.

R9 Nano outperforms RX 6400 by ~24% on the catalog index; this is not a measured FPS gain.+24%

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: Radeon R9 Nano (~8%)

The score difference is not a measured FPS improvement.

Reasons to consider R9 Nano

  • Higher catalog performance index
  • Lower recorded market price
  • Higher catalog value index
  • Recorded feature support: OpenCL 2.1 · Not supported

Reasons to consider RX 6400

  • More graphics memory
  • Lower stated power consumption
  • Recorded feature support: OpenCL 2.2 · FSR
Low confidence

Catalog metrics radar

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

H2H
Performance
Efficiency
Price / performance
Memory capacity
Performance
4133
Efficiency
78100
Price / performance
10083
Memory capacity
5060
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 117–122of 321
R9 Nanonot in TOP100position in the GPU ranking
RX 6400not in TOP100position in the GPU ranking

Which should you choose?

Two practical conclusions based on community votes and gaming value.

COMMUNITY CHOICE

Radeon RX 6400

82 likes

Head to Head visitors currently choose this model more often.

BEST PRICE / PERFORMANCE

Radeon R9 Nano

Price $128.00

Based on catalog performance per unit of current market price, not measured FPS.

Overview

Scores are calculated from specifications, performance, and efficiency.

CategoryR9 NanoRX 6400
GamesDirectX, OpenCL, and Vulkan performance
41Better
33
Professional applications3D modeling, video editing, and rendering
36Better
30
AI and machine learningMachine-learning and AI capabilities
34Better
28
Power efficiencyPower consumption across workloads
78
100Better
Head to Head scoreOverall catalog score
54Better
50

Specifications

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

SpecificationR9 NanoRX 6400
DisplayPort
HDMI
Device class
DirectX
Vulkan
OpenGL
TFLOPSBetter
Power consumptionBetter
Memory type
Power connector
Release date
ArchitectureBetter
Thickness
Compute API
Launch priceBetter
Shader units / coresBetter
Clock speedBetter
Base clockBetter
Boost clockBetter
VRAM
Memory frequencyBetter
Memory busBetter
Memory bandwidthBetter
Interface
Power consumptionBetter
Process nodeBetter
Recommended PSUBetter
Length
Die sizeBetter
Memory cache
Transistor countBetter
Max monitors
Max resolution
USB Type-C
Upscaling

Gaming FPS

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

The Gaming FPS section compares R9 Nano 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.

R9 NanoRX 6400
Verified externalEstimatedSources ↗
Counter-Strike 2

Counter-Strike 2

1080p High
188 FPS
168 FPS
1080p Ultra
132 FPS
118 FPS
1440p Ultra
87 FPS
63 FPS
4K Ultra
35 FPS
23 FPS
Game1080p High1080p Ultra1440p Ultra4K Ultra
Counter-Strike 2R9 Nano188 FPSRX 6400168 FPSR9 Nano132 FPSRX 6400118 FPSR9 Nano87 FPSRX 640063 FPSR9 Nano35 FPSRX 640023 FPS
Cyberpunk 2077R9 Nano122 FPSRX 6400109 FPSR9 Nano105 FPSRX 640093 FPSR9 Nano63 FPSRX 640046 FPSR9 Nano23 FPSRX 640015 FPS
Forza Horizon 5R9 Nano153 FPSRX 6400137 FPSR9 Nano99 FPSRX 640088 FPSR9 Nano78 FPSRX 640057 FPSR9 Nano51 FPSRX 640033 FPS
Hogwarts LegacyR9 Nano99 FPSRX 640089 FPSR9 Nano83 FPSRX 640074 FPSR9 Nano56 FPSRX 640041 FPSR9 Nano24 FPSRX 640016 FPS
Average FPSR9 Nano141 FPSRX 6400126 FPSR9 Nano105 FPSRX 640093 FPSR9 Nano71 FPSRX 640052 FPSR9 Nano33 FPSRX 640022 FPS

H2H workload indices

Comparable internal indices on a fixed 0–100 scale.

IndexR9 NanoRX 6400Difference
H2H Raster IndexH2H Index / 100413322%
H2H Compute IndexH2H Index / 10041447%
H2H Rendering IndexH2H Index / 10044417%
H2H Memory Workload IndexH2H Index / 100506018%
H2H Efficiency IndexH2H Index / 1007810025%

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.

IndexR9 NanoRX 6400Difference
H2H Image Generation IndexH2H Index / 10045450%
H2H ML Training IndexH2H Index / 10045442%
H2H Inference IndexH2H Index / 10044417%
H2H Local LLM IndexH2H Index / 10046484%
H2H Computer Vision IndexH2H Index / 10044417%

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

SpecificationsR9 NanoRX 6400
DirectX12.012.2
Vulkan1.21.4
OpenGL4.64.6
UpscalingNot supportedFSR
Compute APIOpenCL 2.1OpenCL 2.2

Architecture and release

SpecificationsR9 NanoRX 6400
ArchitectureGCN 3.0BetterRDNA 2.0
Process node28 nm6 nmBetter
Release date20152022
Device classDesktopDesktop

GPU cores, die and clocks

SpecificationsR9 NanoRX 6400
Transistor count8900 millionBetter5400 million
Die size596 mm²107 mm²Better
Shader units / cores4096Better768
Base clock1000 MHz1923 MHzBetter
Boost clock1000 MHz2321 MHzBetter

Board size, power and compatibility

SpecificationsR9 NanoRX 6400
InterfacePCIe 3x16PCIe 4x4
Length154 mmVaries by board
ThicknessDual-slotSingle-slot
Recommended PSU450 W250 WBetter
Power connector8 pinNone

Display outputs and limits

SpecificationsR9 NanoRX 6400
HDMIHDMI 1.4aHDMI 2.1
DisplayPortDisplayPort 1.2DisplayPort 1.4a
USB Type-CNoNo
Max monitors42
Max resolution4096 × 21607680 × 4320

Memory and compute throughput

SpecificationsR9 NanoRX 6400
VRAM4 GB HBM4 GB GDDR6
Memory typeHBMGDDR6
Memory bus4096 bitBetter64 bit
TFLOPS8.192Better3.565

Other comparisons

6

Reviews and questions

Explain this comparison

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

Device AR9 Nano54
Device BRX 640050
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 / 70

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 (6)

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: R9 Nano or RX 6400?

R9 Nano has the higher overall gaming score, while R9 Nano offers the better price-to-performance ratio. The final choice depends on resolution and settings.

02Which is better for streaming?

R9 Nano 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?

R9 Nano is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.

04Which is better for video editing?

R9 Nano offers more overall performance, while R9 Nano offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.

05Which is better for neural networks and AI?

R9 Nano is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.

06Which is better for 1080p?

R9 Nano is the most rational 1080p choice, where high frame rates and cost per frame matter most.

07Which is better for 1440p?

R9 Nano leads in combined 1440p performance. R9 Nano can be preferable for heavy textures and games with high VRAM usage.

08Which is better for 4K?

R9 Nano 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 R9 Nano 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.