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AsusTechnical Specification MatrixAI Enhanced AnalysisAnalysis Date: 20 September 2026Evaluated at £1280.99

Asus Chromebook CB5403CMA-QM1092

The Asus Chromebook CB5403CMA QM1092 is a premium 14-inch convertible productivity laptop driven by an Intel Core Ultra 7 processor, 16GB of LPDDR5x RAM, and a 512GB NVMe SSD. It features a sharp WQXGA touchscreen and a lightweight 1.4 kg aluminum body.

9.2/ 10
Andote Tech Score
Evaluated at £1280.99
Price-Tier Avg: 8.2/10
Rated on 20 September 2026
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Relative Benchmark Scoring (1–10)

vs Price Tier Competitors
RAM Capacity16GB
Hardware Spec Score
7.5/10(Very Good)
Price-to-Value Efficiency
7.4/10(Very Good)
Storage Capacity512GB
Hardware Spec Score
9.0/10(Exceptional)
Price-to-Value Efficiency
8.8/10(Excellent)
CPU Cores12
Hardware Spec Score
6.4/10(Above Average)
Price-to-Value Efficiency
6.3/10(Above Average)
Battery Capacity63 Wh
Hardware Spec Score
6.3/10(Above Average)
Price-to-Value Efficiency
6.2/10(Above Average)
Display Resolution2560MP
Hardware Spec Score
7.2/10(Very Good)
Price-to-Value Efficiency
7.1/10(Very Good)
Weight1400g
Hardware Spec Score
6.6/10(Above Average)
Price-to-Value Efficiency
6.4/10(Above Average)
How We Calculate This Score

Our objective rating combines Hardware Spec Quality (measuring real-world component power benchmarked across the entire category on a 1–10 scale) with a Price-to-Value Index (evaluating technical capability relative to selling price). User reviews and merchant sponsorships do not influence this score.

Score Deciding Factors8 Key drivers
✓Tier-1 Brand (Asus)
Premium manufacturer reliability & build qualityTier-1 Standing
•High-End Price Bracket£1280
High-end product priced in the upper bracketPremium Tier
•Standard RAM Capacity16GB
Solid standard benchmark for category7.5/10
✓High-End Storage Capacity512GB
Top-tier capability in this category9.0/10
!Modest CPU Cores12.0
Entry-level benchmark rating limits overall score6.4/10
!Low Battery Capacity63 Wh
Entry-level benchmark rating limits overall score6.3/10
•Standard Display Resolution2560MP
Solid standard benchmark for category7.2/10
•Standard Weight1.40kg
Solid standard benchmark for category6.6/10
Key Technical Strengths
  • ✓Stunning 120Hz WQXGA touchscreen with 100% DCI-P3 color accuracy
  • ✓Lightweight 1.4 kg aluminum chassis with included carrying bag
  • ✓High-end Intel Core Ultra 7 processor and 16GB LPDDR5x RAM
  • ✓Dual Thunderbolt 4 ports and integrated fingerprint reader
Technical Limitations & Trade-offs
  • ✕ChromeOS operating system restricts execution of native Windows desktop applications
  • ✕Higher price point compared to typical entry-level Chromebooks

Official Product Documents & PDF Manuals

1 document available
Product Data Sheet
product_details

Complete Technical Specifications

Manufacturer-verified hardware specifications with contextual AI metric explanations.

What this metric means:

The 120Hz WQXGA touchscreen with DCI-P3 color support offers stunning visual clarity and fluid motion, which is uncommon and premium for the Chromebook category.

HD typeWQXGA
TouchscreenYes
Colour gamut100%
Display diagonal35.6 cm (14")
RGB colour spaceDCI-P3
Anti-glare screenYes
Display brightness500 cd/m²
Display resolution2560 x 1600 pixels
Native aspect ratio16:10
Maximum refresh rate120 Hz
Contrast ratio (typical)1500:1
What this metric means:

Thunderbolt 4 ports and a fingerprint reader bring enterprise-grade connectivity and security to a lightweight cloud-first laptop.

Cable lock slotYes
Fingerprint readerYes
Cable lock slot typeKensington
What this metric means:

The Core Ultra 7 processor paired with 16GB LPDDR5x RAM provides exceptional multitasking capacity within ChromeOS, preventing slowdowns during heavy web use.

Efficient cores8
Processor cache12 MB
Processor cores12
Processor model155U
Processor familyIntel Core Ultra 7
Performance cores2
Processor threads14
Maximum turbo power57 W
Processor base power15 W
Processor cache typeSmart Cache
Processor generationIntel® Core™ Ultra (Series 1)
Processor manufacturerIntel
Low Power Efficient-cores2
Processor boost frequency4.8 GHz
Efficient-core base frequency1.2 GHz
Performance-core base frequency1.7 GHz
Efficient-core Max Turbo Frequency3.8 GHz
Performance-core Max Turbo Frequency4.8 GHz
Low Power Efficient-core Base Frequency700 MHz
Low Power Efficient-core Max Turbo Frequency2.1 GHz
What this metric means:

The Core Ultra 7 processor paired with 16GB LPDDR5x RAM provides exceptional multitasking capacity within ChromeOS, preventing slowdowns during heavy web use.

Internal memory16 GB
Memory form factorOn-board
Internal memory typeLPDDR5x-SDRAM
Maximum internal memory16 GB