Intel Core Ultra 7 255H vs Intel Core Ultra 7 255U processor comparison: performance score, cores and clock speeds, cache, TDP, integrated graphics and NPU. The better value in each row is highlighted in green.
Summary
Intel Core Ultra 7 255H offers more cores (16 vs 12), more threads (16 vs 14), more L3 cache (24 MB vs 12 MB), a smaller manufacturing process (TSMC N3B (3 nm) vs Intel 3 (7 nm)), and more integrated graphics units (8 vs 4). Intel Core Ultra 7 255U offers a higher clock speed (5.2 GHz vs 5.1 GHz) and a lower TDP (15 W vs 28 W).
Performance score
0
Coming soon
0
Coming soon
Key specs
Cores & Threads16/16
Cores & Threads12/14
Turbo5.1 GHz
Turbo5.2 GHz
L3 cache24 MB
L3 cache12 MB
TDP28 W
TDP15 W
iGPUIntel Arc 140T
iGPUIntel Graphics
General
SeriesSeries 2
SeriesSeries 2
CodenameArrow Lake
CodenameArrow Lake
CPU architectureLion Cove, Skymont
CPU architectureRedwood Cove, Crestmont
FoundryTSMC
FoundryIntel
Process nodeTSMC N3B (3 nm)
Process nodeIntel 3 (7 nm)
Instruction setx86-64
Instruction setx86-64
Release dateJanuary 6, 2025
Release dateJanuary 6, 2025
Cores and clocks
Cores & Threads16/16
Cores & Threads12/14
6× P-cores
- Turbo clock
- 5.1 GHz
- Base clock
- 2.0 GHz
2× P-cores
- Turbo clock
- 5.2 GHz
- Base clock
- 2.0 GHz
8× E-cores
- Turbo clock
- 4.4 GHz
- Base clock
- 1.5 GHz
8× E-cores
- Turbo clock
- 4.2 GHz
- Base clock
- 1.7 GHz
2× LPE-cores
- Turbo clock
- 2.5 GHz
- Base clock
- 0.7 GHz
2× LPE-cores
- Turbo clock
- 2.4 GHz
- Base clock
- 0.7 GHz
Cache
L3 cache24 MB
L3 cache12 MB
L2 cache28 MB
L2 cache10 MB
L1 cache2496 KB
L1 cache1184 KB
TDP
TDP28 W
TDP15 W
Min. - Max.20 - 115 W
Min. - Max.12 - 57 W
Max temperature110 °C
Max temperature110 °C
Connectivity
Memory supportLPDDR5x-8400LPDDR5-8400DDR5-6400
Memory supportLPDDR5x-8400LPDDR5-8400DDR5-6400
Memory channels2
Memory channels2
PCIe version5.0, 4.0
PCIe version4.0
PCIe lanes8, 20
PCIe lanes20
Graphics
ModelIntel Arc 140T
ModelIntel Graphics
iGPU architectureXe-LPG+
iGPU architectureXe-LPG
Execution units8
Execution units4
Clock2250 MHz
Clock2100 MHz
AI
Total TOPS96
Total TOPS24
NPU TOPS13
NPU TOPS12
iGPU TOPS74
iGPU TOPS8