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ID-COOLING SE-903-XT 45.8 CFM CPU Cooler vs Thermalright Assassin X SE 32.77 CFM CPU Cooler

Side-by-side cpu cooler comparison with performance scores, spec-by-spec breakdown, and recommendations to help you pick the right part for your PC build.

ID-COOLING SE-903-XT 45.8 CFM CPU Cooler
ID-COOLING SE-903-XT 45.8 CFM CPU Cooler
ID-COOLING
$14.99
Thermalright Assassin X SE 32.77 CFM CPU Cooler
Thermalright Assassin X SE 32.77 CFM CPU Cooler
Thermalright
$16.89

Shape of performance

Each spec is scaled as a % of the leader in your selection - so even the runner-up stays visible on the chart.

Key specs at a glance

Top 3 specs that matter most. Full spec-by-spec breakdown is in the table below.

Performance

Noise LevelLower is better
ID-COOLING SE-903-XT 45.8 CFM CPU Cooler
25.8 dB
Thermalright Assassin X SE 32.77 CFM CPU Cooler
23.85 dB
Max RPMHigher is better
ID-COOLING SE-903-XT 45.8 CFM CPU Cooler
500 RPM
Thermalright Assassin X SE 32.77 CFM CPU Cooler
2200 RPM

Physical

HeightLower is better
ID-COOLING SE-903-XT 45.8 CFM CPU Cooler
123 mm
Thermalright Assassin X SE 32.77 CFM CPU Cooler
118 mm
Component
ID-COOLING SE-903-XT 45.8 CFM CPU Cooler
ID-COOLING SE-903-XT 45.8 CFM CPU Cooler
$14.99
Performance
Max RPM500 - 2200 RPM2200 RPM
Noise Level25.8 dB23.85 dB
Physical
Height123 mm118 mm
Connectivity
SocketsAM4 AM5 LGA1150 LGA1151 LGA1155 LGA1156 LGA1200 LGA1700 LGA1851AM4 AM5 LGA1150 LGA1151 LGA1155 LGA1156 LGA1200 LGA1700 LGA1851
Build
TypeNoNo
ColorBlackBlack / Silver
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Common questions

How should I choose between these cpu coolers?v

Look at the Overall score in the summary above - it's a weighted blend of the specs that matter most for a cpu cooler (performance, memory, power). Then cross-check the Value score, which divides that by price. Below the summary, the spec-by-spec breakdown shows exactly where each option leads or lags.

Can I mix any of these cpu coolers with the rest of my parts?v

PC Launchpad's Guided Builder checks compatibility across every component automatically. Click "Use in Build" on any option above and the builder will flag socket, form-factor, wattage, or clearance issues before you check out.

Where are the prices from?v

Prices come from Amazon availability, which PC Launchpad updates regularly. If a component is out of stock or prices change, the comparison may not reflect the latest number - always confirm on the retailer page before you buy.

Is the ID-COOLING SE-903-XT 45.8 CFM CPU Cooler better than the Thermalright Assassin X SE 32.77 CFM CPU Cooler?v

It depends on the workload. Use the chart summary above for the quick read, then look at the spec-by-spec breakdown to see which individual metrics favor which part. Verifiable numeric winners are emphasized only when the data has a clear direction, such as higher capacity or lower latency.

Which one is better value - the ID-COOLING SE-903-XT 45.8 CFM CPU Cooler or the Thermalright Assassin X SE 32.77 CFM CPU Cooler?v

The Value score in the summary divides the Overall performance score by current price, so the higher-scoring one is the stronger $/performance pick on today's prices. For budget builds, favor Value; for no-compromise builds, favor Overall.

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