Intel Core Ultra 7 255U vs Ultra 7 255H
54
out of 100
VS
68
out of 100
We compared two laptop CPUs: the 2.0 GHz Intel Core Ultra 7 255U with 12-cores against the 2.0 GHz Ultra 7 255H with 16-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Key Differences
Advantages of Intel Core Ultra 7 255U
- 2% higher Turbo Boost frequency (5.2 GHz vs 5.1 GHz)
Advantages of Intel Core Ultra 7 255H
- More powerful Arc Graphics 140T integrated graphics: 4.6 vs 2.2 TFLOPS
- Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
- Has 4 more physical cores
- Newer PCI Express version β 5.0
- 11% faster in a single-core Geekbench v6 test - 2725 vs 2450 points
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#142nd place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 999.4 MB/sec | 1270 MB/sec |
| Clang compilation | 75.6 Klines/sec | 103.2 Klines/sec |
| HTML 5 Browser | 267.7 pages/sec | 399 pages/sec |
| PDF Renderer | 334.8 Mpixels/sec | 443.6 Mpixels/sec |
| Text processing | 240.5 pages/sec | 283.7 pages/sec |
| Background blur | 46.6 images/sec | 62.4 images/sec |
| Photo processing | 80.8 images/sec | 144.8 images/sec |
| Ray tracing | 12 Mpixels/sec | 24 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 65.3 GOps/sec | 78.1 GOps/sec |
| Floating point math | 45.7 GOps/sec | 98.9 GOps/sec |
| Find prime numbers | 63M Primes/sec | 303M Primes/sec |
| Random string sorting | 21.3M Strings/sec | 36.1M Strings/sec |
| Data encryption | 12.4 GBytes/sec | 23.4 GBytes/sec |
| Data compression | 196.1 MBytes/sec | 299.1 MBytes/sec |
| Physics | 1137 Frames/sec | 2251 Frames/sec |
| Extended instructions | 10.8B Matrices/sec | 23.8B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 34.3 PPW | 37.5 PPW |
| Geekbench 6 Multi / Watt | 670.5 PPW | 540.1 PPW |
| Passmark CPU Mark / Watt | 1191.6 PPW | 1097.3 PPW |
| Blender / Watt | - | 9.83 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core Ultra 7 255U
No benchmark results yet
Intel Core Ultra 7 255H
| Date | Benchmark | Result |
|---|---|---|
| π 2026-09-06 -> xnullcode | GeekBench | 3009 / 11440 |
| π 2026-08-15 -> xnullcode | GeekBench | 2849 / 11877 |
| π 2026-08-15 -> xnullcode | GeekBench | 2848 / 11898 |
| π 2026-08-15 -> xnullcode | Cinebench 2026 | 0 / 3496 |
| π 2026-08-15 (xnullcode) | GeekBench | 2708 / 11477 |
Specifications
Full technical specification of Intel Core Ultra 7 255U and Ultra 7 255HGeneral
| Vendor | Intel | Intel |
| Released | January 6, 2025 | January 6, 2025 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Arrow Lake | Arrow Lake |
| Model number | 255U | 255H |
| Integrated GPU | Arc Graphics (4-Cores) | Arc Graphics 140T |
| Rival Equivalent | - | - AMD Ryzen AI 7 350 |
Intel CPU rating (120th and 50th place)
CPU
| P-Cores | 2 | 6 |
| P-Threads | 4 | 6 |
| Base Frequency (P) | 2.0 GHz | 2.0 GHz |
| Turbo Boost Frequency (P) | 5.2 GHz | 5.1 GHz |
| E-Cores | 10 | 10 |
| E-Threads | 10 | 10 |
| Base Frequency (E) | 1.7 GHz | 1.5 GHz |
| Turbo Boost Frequency (E) | 4.2 GHz | 4.4 GHz |
| Total Cores | 12 | 16 |
| Total Threads | 14 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 20x | 20x |
| L1 Cache | 112K (per core) | 192K (per core) |
| L2 Cache | 2MB (per core) | 2MB (per core) |
| L3 Cache | 12MB (shared) | 24MB (shared) |
| Unlocked Multiplier | No | No |
Package
| Fabrication Process | 3 nm | 3 nm |
| TDP (PL1) | 12-15 W (configurable) | 20-28 W (configurable) |
| Max. Boost TDP (PL2) | 57 W | 115 W |
| Socket | FCBGA-2049 | FCBGA-2049 |
| Peak Temperature | 110Β°C | 110Β°C |
Laptop processors ranking (159th and 61st place)
iGPU
| Integrated Graphics | Arc Graphics (4-Cores) | Arc Graphics 140T |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 2100 MHz | 2250 MHz |
| Shading Units | 512 | 1024 |
| TMUs | 32 | 64 |
| ROPs | 16 | 32 |
| Execution Units | 64 | 8 |
| TGP | 14 W | 35 W |
iGPU FLOPS
More info: Arc 140T compared to iGPU (4-Cores)
Memory Support
| Memory Types | - LPDDR5-8400 - LPDDR5x-8400 - DDR5-6400 |
- LPDDR5-8400 - LPDDR5x-8400 - DDR5-6400 |
| Max. Memory Size | 128 GB | 128 GB |
| Memory Channels | 2 | 2 |
| ECC Support | No | No |
Misc
| Official Site | Intel Core Ultra 7 255U official page | Intel Core Ultra 7 255H official page |
| PCI Express Version | 4.0 | 5.0 |
| PCI Express Lanes | 20 | 28 |
Cast your vote
Total votes: 22