Component comparison

Core Ultra 7 255H vs Core 5 120U

Core Ultra 7 255H vs Core 5 120U — detailed CPU comparison: performance, cores, frequencies.

Advantages

A Core Ultra 7 255H
  • + Release year (+1)
  • + Cores (+6)
  • + Threads (+4)
  • + Base clock (GHz) (+0.60 GHz)
  • + Boost clock (GHz) (+0.10 GHz)
  • + L3 cache (MB) (+12 MB)
  • + TGP / TDP (W) (+13 W)
  • + Lithography (nm) (-7 nm)
  • + Critical temp (°C) (+10 °C)
  • + Geekbench 5 (single-core) (+405)
  • + Geekbench 5 (multi-core) (+6254)
  • + Normalized score (+16.8)
B Core 5 120U

Components are close in specs

Detailed spec comparison

Spec Component A
Core Ultra 7 255H
Component B
Core 5 120U
Release year 2025 (+1) 2024
Cores 16 (+6) 10
Threads 16 (+4) 12
Base clock (GHz) 2.00 GHz (+0.60 GHz) 1.40 GHz
Boost clock (GHz) 5.10 GHz (+0.10 GHz) 5.00 GHz
L1 cache (KB) 928 KB
L2 cache (KB)
L3 cache (MB) 24 MB (+12 MB) 12 MB
Bandwidth (GB/s)
Memory channels
Max memory (GB)
TGP / TDP (W) 28 W (+13 W) 15 W
Lithography (nm) 3 nm (-7 nm) 10 nm
Critical temp (°C) 110 °C (+10 °C) 100 °C
PassMark (overall)
PassMark (single-thread)
Geekbench 5 (single-core) 2,487 (+405) 2,082
Geekbench 5 (multi-core) 13,219 (+6254) 6,965
Normalized score 91.4 (+16.8) 74.6

In both

AVX AVX2 AES-NI VT-x VT-d
Based on the comparison: Core Ultra 7 255H wins 12 of the comparable criteria. The choice depends on your use case.

🤔 How to choose

Universal advice for any use case.

  • Reliability vs price: reliability (median 50) ↔ price (median 385.1).
  • Weight vs CPU: mobility (median 48) ↔ overall performance (median 49.8).
  • Upgradeability vs battery: upgradability (median 50) ↔ battery life (median 2.8).