Radeon RX 7900M vs Intel Arc B390

Full comparison of specs, performance and benchmarks

Aggregate performance score

We've compared Radeon RX 7900M and Arc B390 across specs and all relevant benchmarks.

Arc B390 outperforms Radeon RX 7900M by ~9% on the catalog index; this is not a measured FPS gain.+9%

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

H2HBench Data Quality

Low confidence
Specifications: Partially verifiedVerified gaming results: 0Estimated / unverified results: 16Price record updated: Sep 6, 2026

Limited verified data

H2HBench Verdict

Higher catalog score: Radeon RX 7900M (~15%)

The score difference is not a measured FPS improvement.

Reasons to consider Radeon RX 7900M

  • Recorded feature support: OpenCL 2.2 · FSR

Reasons to consider Arc B390

  • Higher catalog performance index
  • Recorded feature support: OpenCL 3.0 · Intel XeSS
Low confidence

Catalog metrics radar

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

H2H
Performance
Performance
6672
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 1–6of 411
Radeon RX 7900M#1position in the GPU ranking
Arc B390#80position in the GPU ranking

Which should you choose?

Two practical conclusions based on community votes and gaming value.

COMMUNITY CHOICE

Radeon RX 7900M

141 likes

Head to Head visitors currently choose this model more often.

Overview

Scores are calculated from specifications, performance, and efficiency.

CategoryRadeon RX 7900MArc B390
GamesDirectX, OpenCL, and Vulkan performance
66
72Better
Professional applications3D modeling, video editing, and rendering
54
58Better
AI and machine learningMachine-learning and AI capabilities
52
56Better
Power efficiencyPower consumption across workloads
100Better
53
Head to Head scoreOverall catalog score
69Better
60

Specifications

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

SpecificationRadeon RX 7900MArc B390
Power consumption
Process nodeBetter
Device class
Release date
Upscaling
HDMI
DisplayPort
Max resolution
Max monitors
USB Type-C
Recommended PSU
Length
DirectX
Vulkan
OpenGL
TFLOPS
Power consumption
Architecture
Memory type
Compute API
Launch price
Shader units / coresBetter
Interface
Power connector
Thickness
Die size
Memory cache
Clock speed
Base clock
Boost clockBetter
VRAM
Memory frequency
Memory bus
Memory bandwidth
Transistor count

Gaming FPS

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

The Gaming FPS section compares Radeon RX 7900M and Arc B390 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.

Radeon RX 7900MArc B390
Verified externalEstimatedSources ↗
Counter-Strike 2

Counter-Strike 2

1080p High
271 FPS
1080p Ultra
191 FPS
1440p Ultra
148 FPS
4K Ultra
74 FPS
Game1080p High1080p Ultra1440p Ultra4K Ultra
Counter-Strike 2Radeon RX 7900M271 FPSArc B390Radeon RX 7900M191 FPSArc B390Radeon RX 7900M148 FPSArc B390Radeon RX 7900M74 FPSArc B390
Cyberpunk 2077Radeon RX 7900M175 FPSArc B390Radeon RX 7900M151 FPSArc B390Radeon RX 7900M107 FPSArc B390Radeon RX 7900M49 FPSArc B390
Forza Horizon 5Radeon RX 7900M221 FPSArc B390Radeon RX 7900M143 FPSArc B390Radeon RX 7900M133 FPSArc B390Radeon RX 7900M108 FPSArc B390
Hogwarts LegacyRadeon RX 7900M143 FPSArc B390Radeon RX 7900M120 FPSArc B390Radeon RX 7900M96 FPSArc B390Radeon RX 7900M50 FPSArc B390
Average FPSRadeon RX 7900M203 FPSArc B390Radeon RX 7900M151 FPSArc B390Radeon RX 7900M121 FPSArc B390Radeon RX 7900M70 FPSArc B390

H2H workload indices

Comparable internal indices on a fixed 0–100 scale.

IndexRadeon RX 7900MArc B390Difference
H2H Raster IndexH2H Index / 10066729%
H2H Compute IndexH2H Index / 10070746%
H2H Rendering IndexH2H Index / 10072720%
H2H Memory Workload IndexH2H Index / 100880200%
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.

IndexRadeon RX 7900MArc B390Difference
H2H Image Generation IndexH2H Index / 10076725%
H2H ML Training IndexH2H Index / 10075724%
H2H Inference IndexH2H Index / 10072720%
H2H Local LLM IndexH2H Index / 10078728%
H2H Computer Vision IndexH2H Index / 10073721%

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

SpecificationsRadeon RX 7900MArc B390
DirectX12.2DirectX 12 Ultimate
Vulkan1.4Not publicly specified
OpenGL4.64.6
UpscalingFSRIntel XeSS
Compute APIOpenCL 2.2OpenCL 3.0

Architecture and release

SpecificationsRadeon RX 7900MArc B390
ArchitectureRDNA 3Xe3
Process node5 nmTSMC N3EBetter
Release date2023Q1'26
Device classMobileMobile

GPU cores, die and clocks

SpecificationsRadeon RX 7900MArc B390
Transistor count57700 millionNot publicly specified
Die size529 mm²Not publicly specified
Shader units / cores4608Better12 Xe cores
Base clock1825 MHzNot publicly specified
Boost clock2090 MHzBetterUp to 2.5 GHz (depends on host processor)

Board size, power and compatibility

SpecificationsRadeon RX 7900MArc B390
InterfacePCIe 4.0 x16Integrated into processor package
LengthOEM dependentNot applicable (integrated GPU)
ThicknessIGPNot applicable (integrated GPU)
Recommended PSUOEM dependentSystem dependent
Power connectorNoneNot applicable (integrated GPU)

Display outputs and limits

SpecificationsRadeon RX 7900MArc B390
HDMIOEM dependentHDMI 2.1 FRL (OEM dependent)
DisplayPortOEM dependentDisplayPort 2.1 UHBR20 (OEM dependent)
USB Type-COEM dependentOEM dependent
Max monitorsOEM dependent4 (platform capability)
Max resolutionDepends on host system7680 x 4320 @ 60Hz (DisplayPort)

Memory and compute throughput

SpecificationsRadeon RX 7900MArc B390
VRAM16 GB GDDR6Shared system memory; OEM configurable
Memory typeGDDR6Shared LPDDR5X
Memory bus256 bitDepends on system memory configuration
TFLOPS38.52Not publicly specified

Other comparisons

0

Reviews and questions

Explain this comparison

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

Device ARadeon RX 7900M69
Device BArc B39060
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
16
Specifications
22 / 67

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 (1)

Verified community results

No verified community benchmarks yet.

Reviewed by

No individual editorial review is recorded for this comparison.

Comparison history

Show recorded changes (1)
  1. · 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: Radeon RX 7900M or Arc B390?

Radeon RX 7900M has the higher overall gaming score, while Radeon RX 7900M offers the better price-to-performance ratio. The final choice depends on resolution and settings.

02Which is better for streaming?

Radeon RX 7900M 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?

Radeon RX 7900M is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.

04Which is better for video editing?

Radeon RX 7900M offers more overall performance, while Radeon RX 7900M offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.

05Which is better for neural networks and AI?

Radeon RX 7900M is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.

06Which is better for 1080p?

Radeon RX 7900M is the most rational 1080p choice, where high frame rates and cost per frame matter most.

07Which is better for 1440p?

Radeon RX 7900M leads in combined 1440p performance. Radeon RX 7900M can be preferable for heavy textures and games with high VRAM usage.

08Which is better for 4K?

Radeon RX 7900M is preferable for 4K, where total performance, memory bandwidth, and VRAM capacity have the greatest impact.

09Which is better for a quiet PC?

Radeon RX 7900M 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?

Radeon RX 7900M 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 Radeon RX 7900M 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.