Intel Core i7 1355U vs Core 5 120U
49
out of 100
VS
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out of 100
We compared two 10-core laptop CPUs: the 1.7 GHz Intel Core i7 1355U against the 1.4 GHz Core 5 120U. 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 i7 1355U
- More powerful Intel Iris Xe Graphics (96EU) integrated graphics: 2 vs 1.7 TFLOPS
Advantages of Intel Core 5 120U
- Newer - released 1 year and 1 month later
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 | 519.7 MB/sec | 885.2 MB/sec |
| Clang compilation | 58.7 Klines/sec | 51.5 Klines/sec |
| HTML 5 Browser | 159 pages/sec | 192.4 pages/sec |
| PDF Renderer | 219.7 Mpixels/sec | 217.6 Mpixels/sec |
| Text processing | 221.5 pages/sec | 246 pages/sec |
| Background blur | 33.4 images/sec | 34 images/sec |
| Photo processing | 64.2 images/sec | 79.6 images/sec |
| Ray tracing | 12.5 Mpixels/sec | 10.5 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 50.4 GOps/sec | 52.1 GOps/sec |
| Floating point math | 33.9 GOps/sec | 35.8 GOps/sec |
| Find prime numbers | 48M Primes/sec | 53M Primes/sec |
| Random string sorting | 17.2M Strings/sec | 18.9M Strings/sec |
| Data encryption | 9.6 GBytes/sec | 10.4 GBytes/sec |
| Data compression | 152.3 MBytes/sec | 165.5 MBytes/sec |
| Physics | 844 Frames/sec | 932 Frames/sec |
| Extended instructions | 8.5B Matrices/sec | 9.3B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 33.9 PPW | 28.1 PPW |
| Geekbench 6 Multi / Watt | 503.5 PPW | 532.9 PPW |
| Passmark CPU Mark / Watt | 923.3 PPW | 997.4 PPW |
| Blender / Watt | 6.32 PPW | 6.48 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core i7 1355U
| Date | Benchmark | Result |
|---|---|---|
| ๐ 2026-04-28 (Linode) | Geekbench 6 CPU | 2435 / 7355 |
Intel Core 5 120U
| Date | Benchmark | Result |
|---|---|---|
| ๐ 2026-02-11 (Senna_Sempre_369) | Geekbench 6 CPU | 2588 / 8894 |
Specifications
Full technical specification of Intel Core i7 1355U and Core 5 120UGeneral
| Vendor | Intel | Intel |
| Released | January 3, 2023 | January 9, 2024 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Raptor Lake | Raptor Lake Refresh |
| Model number | i7-1355U | 120U |
| Integrated GPU | Iris Xe Graphics (96EU) | Iris Xe Graphics (80EU) |
| Successor | - Intel Core Ultra 7 255U | - Intel Core 5 220U |
Intel CPU rating (160th and 159th place)
CPU
| P-Cores | 2 | 2 |
| P-Threads | 4 | 4 |
| Base Frequency (P) | 1.7 GHz | 1.4 GHz |
| Turbo Boost Frequency (P) | 5 GHz | 5 GHz |
| E-Cores | 8 | 8 |
| E-Threads | 8 | 8 |
| Base Frequency (E) | 1.2 GHz | 0.9 GHz |
| Turbo Boost Frequency (E) | 3.7 GHz | 3.8 GHz |
| Total Cores | 10 | 10 |
| Total Threads | 12 | 12 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 17x | 14x |
| L1 Cache | 80K (per core) | 80K (per core) |
| L2 Cache | 1280K (per core) | 1280K (per core) |
| L3 Cache | 12MB (shared) | 12MB (shared) |
| Unlocked Multiplier | No | No |
Package
| Fabrication Process | 10 nm | 10 nm |
| TDP (PL1) | 12-15 W (configurable) | 12-15 W (configurable) |
| Max. Boost TDP (PL2) | 55 W | 55 W |
| Socket | BGA-1744 | BGA-1744 |
| Peak Temperature | 100ยฐC | 100ยฐC |
iGPU
| Integrated Graphics | Intel Iris Xe Graphics (96EU) | Intel Iris Xe Graphics (80EU) |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 1300 MHz | 1300 MHz |
| Shading Units | 768 | 640 |
| TMUs | 48 | 40 |
| ROPs | 24 | 20 |
| Execution Units | 96 | 80 |
| TGP | 15 W | 15 W |
iGPU FLOPS
Memory Support
| Memory Types | - DDR5-5200 - DDR4-3200 - LPDDR5-6400 - LPDDR5x-6400 - LPDDR4x-4267 |
- DDR5-5200 - DDR4-3200 - LPDDR5-6400 - LPDDR5x-6400 - LPDDR4x-4267 |
| Max. Memory Size | 96 GB | 96 GB |
| Memory Channels | 2 | 2 |
| ECC Support | No | No |
Misc
| Official Site | Intel Core i7 1355U official page | Intel Core 5 120U official page |
| PCI Express Version | 4.0 | 4.0 |
| PCI Express Lanes | 20 | 20 |
Cast your vote
Total votes: 207
