Component comparison
Core Ultra 7 255H vs Core i5-8250U
Core Ultra 7 255H vs Core i5-8250U — detailed CPU comparison: performance, cores, frequencies.
Advantages
A
Core Ultra 7 255H
- + Release year (+8)
- + Cores (+12)
- + Threads (+8)
- + Base clock (GHz) (+0.40 GHz)
- + Boost clock (GHz) (+1.70 GHz)
- + L3 cache (MB) (+18 MB)
- + TGP / TDP (W) (+13 W)
- + Lithography (nm) (-11 nm)
- + Critical temp (°C) (+10 °C)
- + Geekbench 5 (single-core) (+1716)
- + Geekbench 5 (multi-core) (+11248)
- + Normalized score (+55.5)
B
Core i5-8250U
Components are close in specs
Detailed spec comparison
| Spec |
Component A
Core Ultra 7 255H
|
Component B
Core i5-8250U
|
|---|---|---|
| Release year | 2025 (+8) | 2017 |
| Cores | 16 (+12) | 4 |
| Threads | 16 (+8) | 8 |
| Base clock (GHz) | 2.00 GHz (+0.40 GHz) | 1.60 GHz |
| Boost clock (GHz) | 5.10 GHz (+1.70 GHz) | 3.40 GHz |
| L1 cache (KB) | — | 64 KB |
| L2 cache (KB) | — | 256 KB |
| L3 cache (MB) | 24 MB (+18 MB) | 6 MB |
| Bandwidth (GB/s) | — | 37 GB/s |
| Memory channels | — | 2 |
| Max memory (GB) | — | 32 GB |
| TGP / TDP (W) | 28 W (+13 W) | 15 W |
| Lithography (nm) | 3 nm (-11 nm) | 14 nm |
| Critical temp (°C) | 110 °C (+10 °C) | 100 °C |
| PassMark (overall) | — | 6,158 |
| PassMark (single-thread) | — | — |
| Geekbench 5 (single-core) | 2,487 (+1716) | 771 |
| Geekbench 5 (multi-core) | 13,219 (+11248) | 1,971 |
| Normalized score | 91.4 (+55.5) | 35.9 |
Only in component B
amd_v
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).