Intel Core Ultra 7 255HX vs Intel Core Ultra 7 256V 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 255HX offers more cores (20 vs 8), more threads (20 vs 8), a higher clock speed (5.2 GHz vs 4.8 GHz), and more L3 cache (30 MB vs 12 MB). Intel Core Ultra 7 256V offers a lower TDP (17 W vs 55 W), more integrated graphics units (8 vs 4), and higher AI performance (115 vs 33 TOPS).
Performance score
0
Coming soon
0
Coming soon
Key specs
Cores & Threads20/20
Cores & Threads8/8
Turbo5.2 GHz
Turbo4.8 GHz
L3 cache30 MB
L3 cache12 MB
TDP55 W
TDP17 W
iGPUIntel Graphics
iGPUIntel Arc 140V
General
SeriesSeries 2
SeriesSeries 2
CodenameArrow Lake
CodenameLunar Lake
CPU architectureLion Cove, Skymont
CPU architectureLion Cove, Skymont
FoundryTSMC
FoundryTSMC
Process nodeTSMC N3B (3 nm)
Process nodeTSMC N3B (3 nm)
Instruction setx86-64
Instruction setx86-64
Release dateJanuary 6, 2025
Release dateSeptember 3, 2024
Cores and clocks
Cores & Threads20/20
Cores & Threads8/8
8× P-cores
- Turbo clock
- 5.2 GHz
- Base clock
- 2.4 GHz
4× P-cores
- Turbo clock
- 4.8 GHz
- Base clock
- 2.2 GHz
12× E-cores
- Turbo clock
- 4.5 GHz
- Base clock
- 1.8 GHz
4× LPE-cores
- Turbo clock
- 3.7 GHz
- Base clock
- 2.2 GHz
Cache
L3 cache30 MB
L3 cache12 MB
L2 cache36 MB
L2 cache14 MB
L1 cache3200 KB
L1 cache1408 KB
TDP
TDP55 W
TDP17 W
Min. - Max.45 - 160 W
Min. - Max.8 - 37 W
Max temperature105 °C
Max temperature100 °C
Connectivity
Memory supportDDR5-6400
Memory supportLPDDR5x-8533
Memory channels2
Memory channels2
PCIe version5.0, 4.0
PCIe version5.0, 4.0
PCIe lanes20, 4
PCIe lanes4, 4
Graphics
ModelIntel Graphics
ModelIntel Arc 140V
iGPU architectureXe-LPG
iGPU architectureXe2
Execution units4
Execution units8
Clock1850 MHz
Clock1950 MHz
AI
Total TOPS33
Total TOPS115
NPU TOPS13
NPU TOPS47
iGPU TOPS8
iGPU TOPS64