Side-by-Side Comparison
Fractal Design Define One Light TG Clear Tint vs Lian Li B4-mATX
Standardized 5-pillar engineering audit, thermal telemetry, verified longevity metrics, and complete technical specification diff.
● HIGHLY RATED
Composite Score:
4.5
/ 5.0
A whisper-quiet mid-tower chassis pairing bitumen acoustic dampening with native reverse-connector motherboard support and pre-installed 140 mm LCP cooling fans.
● HIGHLY RATED
Composite Score:
4.5
/ 5.0
A dense, high-airflow 21.3L mATX chassis engineered with DAN Cases that pairs dual-orientation flexibility with remarkable GPU and cooler clearance.
⚖️
Mizex Comparative Audit Verdict
Both the Fractal Design Define One Light TG Clear Tint and Lian Li B4-mATX share an identical composite score of 4.5. 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.
Fractal Design Define One Light TG Clear Tint
Lian Li B4-mATX
Engineering & Architecture
(30%)
Tie
4.5
4.5
Build Quality & Materials
(20%)
Winner: Fractal Design Define One Light TG Clear Tint (+0.2)
4.6
4.4
Thermal, Power & Acoustics
(20%)
Winner: Lian Li B4-mATX (+0.3)
4.2
4.5
Real-World Reliability
(20%)
Winner: Fractal Design Define One Light TG Clear Tint (+0.1)
4.7
4.6
Buyer Value & Upgrades
(10%)
Winner: Lian Li B4-mATX (+0.2)
4.3
4.5
Fractal Design Define One Light TG Clear Tint: Strengths & Caveats
✔ Advantages
- Pre-installed with three high-grade Momentum 14 LCP-blade fans utilizing fluid dynamic bearings
- Native chassis cutouts support reverse-connector motherboards alongside standard E-ATX platforms
- Dense bitumen sound-dampening material applied to panels effectively isolates operating noise
- Convenient modular architecture featuring a removable top radiator bracket and built-in GPU support
✖ Documented Caveats
- Roof radiator mounting is constrained to a maximum of 280 mm, preventing top 360 mm AIO installations
- Reduced mechanical drive capacity compared to predecessor series with only two 3.5-inch bays
Lian Li B4-mATX: Strengths & Caveats
✔ Advantages
- Dense 21.3-liter dual-orientation enclosure supporting both horizontal and vertical placement
- Generous clearance for up to 358mm GPUs and 162mm tall CPU air coolers
- Comprehensive ventilation with full mesh panels and two included 120mm slim PWM fans
- Supports up to a 360mm liquid cooling radiator when configured with an SFX power supply
✖ Documented Caveats
- Installing a 360mm radiator mandates an SFX power supply instead of standard ATX
- ATX power supply compatibility is constrained to a maximum depth of 140mm
Technical Specification Comparison
Side-by-side spec alignment. Rows highlighted with subtle shading denote differing specifications.
| Specification | Fractal Design Define One Light TG Clear Tint | Lian Li B4-mATX |
|---|---|---|
| Brand DIFF | Fractal Design | Lian Li |
| Model DIFF | Define One Light TG Clear Tint | B4-mATX |
| Form Factor DIFF | Mid-Tower | — |
| Chassis Materials DIFF | SPCC Steel, Tempered Glass, Aluminum, Bitumen Sound Dampening | — |
| Dimensions DIFF | 19.7 x 9.3 x 19.0 in (500 x 235 x 482 mm) | — |
| Weight DIFF | 24.69 lbs (11.2 kg) | — |
| Motherboard Support DIFF | E-ATX (up to 10.91 in / 277 mm), ATX, Micro-ATX, Mini-ITX (including reverse-connector ATX/mATX) | — |
| Expansion Slots DIFF | 7 Bridgeless Slots | — |
| Drive Bays DIFF | 2x 3.5 / 2.5 in (88.9 / 63.5 mm) Universal, 2x 2.5 in (63.5 mm) Dedicated | — |
| Maximum GPU Length DIFF | 14.49 in (368 mm) | — |
| Maximum CPU Cooler Height DIFF | 6.73 in (171 mm) | — |
| Maximum PSU Length DIFF | 7.09 in (180 mm) | — |
| Front Radiator Support DIFF | Up to 14.17 in (360 mm) | — |
| Top Radiator Support DIFF | Up to 11.02 in (280 mm) | — |
| Included Fans DIFF | 3x Momentum 14 PWM (140 mm / 5.51 in) | — |
| Fan Bearing Type DIFF | Fluid Dynamic Bearing (FDB) | — |
| Fan Speed Range DIFF | 350 to 1800 RPM | — |
| Front Panel I/O DIFF | 1x USB 3.2 Gen 2x2 Type-C (20 Gbps), 2x USB 3.2 Gen 1 Type-A (5 Gbps), 1x 3.5 mm Audio/Mic Combo | — |
| Case Type DIFF | — | Small Form Factor (SFF) Mini Tower |
| Case Volume DIFF | — | 21.3 L |
| Dimensions DIFF | — | 420 mm x 191 mm x 288 mm |
| Materials DIFF | — | Steel, Mesh (optional Real Wood panel) |
| Supported Motherboards DIFF | — | Micro-ATX, Mini-ITX |
| Orientation DIFF | — | Horizontal or Vertical |
| Max Gpu Length DIFF | — | 358 mm |
| Max Cpu Cooler Height DIFF | — | 162 mm |
| Max Psu Length DIFF | — | 140 mm (ATX) |
| Supported Psu Form Factors DIFF | — | ATX (max 140 mm), SFX |
| Radiator Support DIFF | — | Up to 360 mm AIO (with SFX PSU) |
| Fan Mount Locations DIFF | — | Front (120 mm), Rear (120 mm), Bottom (120 mm), Side (120 mm) |
| Preinstalled Fans DIFF | — | 2 x 120 mm slim fans |
| Fan Speed DIFF | — | 0 - 1800 RPM |
| Fan Max Airflow DIFF | — | 64.2 CFM |
| Fan Max Air Pressure DIFF | — | 2.4 mmH2O |
| Storage Drive Support DIFF | — | 2.5" SSD |
| Cable Management DIFF | — | Rear clearance routing |
| Ac Inlet DIFF | — | Rotatable AC inlet |
Need to evaluate a different configuration?
🔍 Compare Other Hardware