Intel Core Ultra 5 125U vs i7 1355U
We compared two laptop CPUs: the 1.3 GHz Intel Core Ultra 5 125U with 12-cores against the 1.7 GHz i7 1355U with 10-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 5 125U
- Newer - released 1 year later
- More modern manufacturing process – 7 versus 10 nanometers
- Has 2 more physical cores
- More than 10° C higher critical temperature
Advantages of Intel Core i7 1355U
- 16% higher Turbo Boost frequency (5 GHz vs 4.3 GHz)
- 17% faster in a single-core Geekbench v6 test - 2466 vs 2113 points
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 958.1 MB/sec | 519.7 MB/sec |
| Clang compilation | 65.6 Klines/sec | 58.7 Klines/sec |
| HTML 5 Browser | 223.8 pages/sec | 159 pages/sec |
| PDF Renderer | 243.9 Mpixels/sec | 219.7 Mpixels/sec |
| Text processing | 213.2 pages/sec | 221.5 pages/sec |
| Background blur | 40.3 images/sec | 33.4 images/sec |
| Photo processing | 93.4 images/sec | 64.2 images/sec |
| Ray tracing | 13.8 Mpixels/sec | 12.5 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 55.8 GOps/sec | 50.4 GOps/sec |
| Floating point math | 40.2 GOps/sec | 33.9 GOps/sec |
| Find prime numbers | 64M Primes/sec | 48M Primes/sec |
| Random string sorting | 20.8M Strings/sec | 17.2M Strings/sec |
| Data encryption | 11.7 GBytes/sec | 9.6 GBytes/sec |
| Data compression | 188.5 MBytes/sec | 152.3 MBytes/sec |
| Physics | 1063 Frames/sec | 844 Frames/sec |
| Extended instructions | 10.7B Matrices/sec | 8.5B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 41.1 PPW | 33.9 PPW |
| Geekbench 6 Multi / Watt | 761.3 PPW | 503.5 PPW |
| Passmark CPU Mark / Watt | 1396.5 PPW | 923.3 PPW |
| Blender / Watt | 9.14 PPW | 6.32 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core Ultra 5 125U
No benchmark results yet
Intel Core i7 1355U
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-04-28 (Linode) | Geekbench 6 CPU | 2435 / 7355 |
Specifications
Full technical specification of Intel Core Ultra 5 125U and i7 1355UGeneral
| Vendor | Intel | Intel |
| Released | December 14, 2023 | January 3, 2023 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Meteor Lake | Raptor Lake |
| Model number | 125U | i7-1355U |
| Integrated GPU | Arc Graphics (4-Cores) | Iris Xe Graphics (96EU) |
| Rival Equivalent | - AMD Ryzen 5 8540U | - |
| Successor | - Intel Core Ultra 5 225U | - Intel Core Ultra 7 255U |
Intel CPU rating (169th and 160th place)
CPU
| P-Cores | 2 | 2 |
| P-Threads | 4 | 4 |
| Base Frequency (P) | 1.3 GHz | 1.7 GHz |
| Turbo Boost Frequency (P) | 4.3 GHz | 5 GHz |
| E-Cores | 10 | 8 |
| E-Threads | 10 | 8 |
| Base Frequency (E) | 0.8 GHz | 1.2 GHz |
| Turbo Boost Frequency (E) | 3.6 GHz | 3.7 GHz |
| Total Cores | 12 | 10 |
| Total Threads | 14 | 12 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 13x | 17x |
| L1 Cache | 112K (per core) | 80K (per core) |
| L2 Cache | 2MB (per core) | 1280K (per core) |
| L3 Cache | 12MB (shared) | 12MB (shared) |
| Unlocked Multiplier | No | No |
Package
| Fabrication Process | 7 nm | 10 nm |
| TDP (PL1) | 12 W | 12-15 W (configurable) |
| Max. Boost TDP (PL2) | 57 W | 55 W |
| Socket | FCBGA-2049 | BGA-1744 |
| Peak Temperature | 110°C | 100°C |
iGPU
| Integrated Graphics | Arc Graphics (4-Cores) | Intel Iris Xe Graphics (96EU) |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 1850 MHz | 1300 MHz |
| Shading Units | 512 | 768 |
| TMUs | 32 | 48 |
| ROPs | 16 | 24 |
| Execution Units | 64 | 96 |
| TGP | 14 W | 15 W |
iGPU FLOPS
Memory Support
| Memory Types | - LPDDR5-7467 - LPDDR5x-7467 - DDR5-5600 |
- DDR5-5200 - DDR4-3200 - LPDDR5-6400 - LPDDR5x-6400 - LPDDR4x-4267 |
| Max. Memory Size | 96 GB | 96 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 89.6 GB/s | - |
| ECC Support | No | No |
Misc
| Official Site | Intel Core Ultra 5 125U official page | Intel Core i7 1355U official page |
| PCI Express Version | 4.0 | 4.0 |
| PCI Express Lanes | 20 | 20 |
Cast your vote
Total votes: 75