Side-by-Side Comparison
Thermalright Peerless Assassin 120H-A Dark vs Fractal Design Radius 240 Black
Standardized 5-pillar engineering audit, thermal telemetry, verified longevity metrics, and complete technical specification diff.
● HIGHLY RATED
Composite Score:
4.4
/ 5.0
High-static-pressure dual-tower air cooler combining six 6mm copper heatpipes with high-velocity 2400 RPM fans for demanding thermal loads.
● HIGHLY RATED
Composite Score:
4.4
/ 5.0
A robust 240 mm closed-loop liquid cooler combining long-life ceramic bearings with 2.1 mm H2O static pressure for reliable multi-platform thermal control.
⚖️
Mizex Comparative Audit Verdict
Both the Thermalright Peerless Assassin 120H-A Dark and Fractal Design Radius 240 Black share an identical composite score of 4.4. Choice between them depends primarily on specific port requirements, physical dimensions, or pricing.
5-Pillar Engineering Telemetry
Detailed comparison across standardized normalized 1.0 – 5.0 engineering pillars.
Thermalright Peerless Assassin 120H-A Dark
Fractal Design Radius 240 Black
Engineering & Architecture
(30%)
Tie
4.4
4.4
Build Quality & Materials
(20%)
Winner: Fractal Design Radius 240 Black (+0.1)
4.3
4.4
Thermal, Power & Acoustics
(20%)
Winner: Fractal Design Radius 240 Black (+0.2)
4.1
4.3
Real-World Reliability
(20%)
Tie
4.6
4.6
Buyer Value & Upgrades
(10%)
Winner: Thermalright Peerless Assassin 120H-A Dark (+0.4)
4.7
4.3
Thermalright Peerless Assassin 120H-A Dark: Strengths & Caveats
✔ Advantages
- Six 6mm anti-gravity heatpipes maintain efficient heat transfer across all chassis orientations
- Upgraded 2400 RPM TL-N12-R9 V2 fans deliver substantial airflow (85.35 CFM) and static pressure (2.95 mmH2O)
- Broad socket compatibility supporting current Intel LGA1851/1700 and AMD AM5 motherboards
- Compact 159 mm height profile fits within standard mid-tower chassis enclosures
✖ Documented Caveats
- Peak 33.3 dBA acoustic noise floor at 2400 RPM requires custom PWM curve calibration
- Front fan installation may require vertical offset over tall high-profile memory modules
Fractal Design Radius 240 Black: Strengths & Caveats
✔ Advantages
- Ceramic bearing assembly enhances pump lifespan by minimizing mechanical friction and wear.
- Fans generate 2.1 mm H2O (0.083 in H2O) of static pressure to efficiently drive air through radiator fins.
- Integrated pulse function optimizes dynamic fluid regulation under varying thermal loads.
- Direct out-of-the-box compatibility with Intel LGA 1200 and AMD AM4/AM5 sockets.
✖ Documented Caveats
- 240 mm (9.45 in) radiator provides lower total thermal dissipation headroom than larger 360 mm form factors.
- Socket support focuses strictly on AMD AM4/AM5 and Intel LGA 1200, excluding newer Intel platform sockets without adapters.
Technical Specification Comparison
Side-by-side spec alignment. Rows highlighted with subtle shading denote differing specifications.
| Specification | Thermalright Peerless Assassin 120H-A Dark | Fractal Design Radius 240 Black |
|---|---|---|
| Brand DIFF | Thermalright | Fractal Design |
| Model DIFF | Peerless Assassin 120H-A Dark | Radius 240 Black |
| Cooler Type DIFF | Dual-Tower CPU Air Cooler | — |
| Heatsink Material DIFF | Aluminum Fins with Copper Heatpipes | — |
| Heatpipe Configuration DIFF | 6 x 6mm Anti-Gravity Heatpipes (AGHP) | — |
| Dimensions With Fans DIFF | 125 mm x 135 mm x 159 mm | — |
| Heatsink Dimensions DIFF | 125 mm x 110 mm x 159 mm | — |
| Bundled Fans DIFF | 2 x Thermalright TL-N12-R9 V2 (120mm) | — |
| Fan Dimensions DIFF | 120 mm x 120 mm x 25 mm | — |
| Maximum Fan Speed DIFF | 2400 RPM ±10% | — |
| Maximum Airflow DIFF | 85.35 CFM | — |
| Maximum Static Pressure DIFF | 2.95 mmH2O | — |
| Acoustic Noise Rating DIFF | 33.3 dBA (Max) | — |
| Power Connector DIFF | 4-Pin PWM | — |
| Socket Compatibility DIFF | Intel LGA115X/1200/1700/1851, AMD AM4/AM5 | — |
| Exterior Finish DIFF | All-Black Anodized / Matte Coated | — |
| Manufacturer Warranty DIFF | 3 Years | — |
| Cooler Type DIFF | — | All-in-One (AIO) Liquid CPU Cooler |
| Radiator Class DIFF | — | 240 mm (9.45 in) |
| Color DIFF | — | Black |
| Bearing Type DIFF | — | Ceramic Bearing |
| Static Pressure DIFF | — | 2.1 mm H2O (0.083 in H2O) |
| Cooling Features DIFF | — | Pulse Function |
| Supported Sockets DIFF | — | Intel LGA 1200, AMD AM4, AMD AM5 |
| Gtin DIFF | — | 7340172714644 |
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