Intel Core Ultra 7 255H vs Intel Core Ultra 7 155H
Compared 2 processors: Intel Core Ultra 7 255H, vs Intel Core Ultra 7 155H. Below are specs, tests, pros and cons for each device
Review
Single-Thread Perf.
Single-Core Benchmark Score
Multi-Thread Perf.
Multi-Core Benchmark Score
Energy Efficiency
Chip Power Efficiency
Integrated Graphics
iGPU Performance in Games & 3D
Tests & specs
Specs & test comparisonBenchmarks
| Integer Math | n/a | 87.1 GOps/s |
| Floating-Point Math | n/a | 64.1 GOps/s |
| Prime Number Search | n/a | 113 M primes/s |
| Random String Sort | n/a | 32.1 M strings/s |
| Data Encryption | n/a | 16.4 GB/s |
| Data Compression | n/a | 278.4 MB/s |
| Physics | n/a | 1732 frames/s |
| Extended Instructions | n/a | 165 M matrices/s |
| File Compression | 1270 MB/s | 1220 MB/s |
| Clang Compilation | 103.2 KLines/s | 100.8 KLines/s |
| HTML5 Browser | 399 pages/s | 270.5 pages/s |
| PDF Rendering | 443.6 MP/sec | 356.1 MP/sec |
| Text Processing | 283.7 pages/s | 243.4 pages/s |
| Background Blur | 62.4 frames/s | 49.2 frames/s |
| Photo Processing | 144.8 frames/s | 117.2 frames/s |
| Ray Tracing | 24 MP/sec | 19.4 MP/sec |
Blender
Performance/Watt
| Geekbench 6 Multi / W | 540.1 PPW | 192.5 PPW |
| PassMark CPU / W | n/a | 384.2 PPW |
| Cinebench 2024 / W | 36.7 PPW | 13.6 PPW |
| Blender / W | n/a | 2.65 PPW |
General Info
| Manufacturer | Intel | Intel |
| Announced | January, 6, 2025 | December, 14, 2023 |
| Type | Laptop use | Laptop use |
| Architecture | x86-64 | x86-64 |
| Codename | Arrow Lake | Meteor Lake |
| Model number | 255H | 155H |
| Integrated GPU | Arc Graphics 140T | Arc Graphics (8-Cores) |
Processor
| Cores | 6 | 6 |
| Threads | 6 | 12 |
| Frequency | 2.0 GHz | 1.4 GHz |
| Max Frequency (Turbo) | 5.1 GHz | 4.8 GHz |
| Cores | 10 | 10 |
| Threads | 10 | 10 |
| Frequency | 1.5 GHz | 0.9 GHz |
| Max Frequency (Turbo) | 4.4 GHz | 3.8 GHz |
| Cores count | 16 | 16 |
| Threads count | 16 | 22 |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 20x | 14x |
| L1 cache | 112 KB/core | 112 KB/core |
| L2 cache | 2000 KB/core | 2000 KB/core |
| L3 Cache | 24 MB total | 24 MB total |
| Unlocked multiplier | No | No |
Package
| Process tech. | 3 nm | 7 nm |
| Power (TDP) | 20-28 W | 20-65 W |
| Max TDP (Boost) | 115 W | 115 W |
| Socket | FCBGA-2049 | FCBGA-2049 |
| Critical temp. | 110 °C | 110 °C |
Memory Support
| Memory Type | - LPDDR5-8400 - LPDDR5x-8400 - DDR5-6400 |
- LPDDR5-7467 - LPDDR5x-7467 - DDR5-5600 |
| Max Size | 128 GB | 96 GB |
| Channels | 2 | 2 |
| ECC support | No | No |
Other
| PCIe Version | 5.0 | 5.0 |
| Max PCIe Lanes | 28 | 28 |
| Tech | n/a | - Compute: ABM, ADX, AI Boost NPU 3, BMI1, BMI2, CLMUL, DLBoost 3.0, F16C, SHA, VNNI - Performance: EIST, TBT 2.0, TBT 3.0, TSX - Virtualization: VT-d, VT-x - Security: RDRAND, TXT, XD bit, vPro |
Results
After analyzing the data, we consider Intel Core Ultra 7 255H the clear winner in this comparison.
Survey
Total Votes: 2