Intel Core i7 1355U vs Intel Core i7 1255U
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Compared 2 processors: Intel Core i7 1355U, vs Intel Core i7 1255U. 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 | 52.8 GOps/s | 49.1 GOps/s |
| Floating-Point Math | 35.4 GOps/s | 33 GOps/s |
| Prime Number Search | 53 M primes/s | 41 M primes/s |
| Random String Sort | 17.8 M strings/s | 17.1 M strings/s |
| Data Encryption | 10 GB/s | 9.3 GB/s |
| Data Compression | 157.5 MB/s | 148.2 MB/s |
| Physics | 904 frames/s | 798 frames/s |
| Extended Instructions | 88 M matrices/s | 83 M matrices/s |
| File Compression | 519.7 MB/s | 626.4 MB/s |
| Clang Compilation | 58.7 KLines/s | 49.1 KLines/s |
| HTML5 Browser | 159 pages/s | 179.7 pages/s |
| PDF Rendering | 219.7 MP/sec | 201.5 MP/sec |
| Text Processing | 221.5 pages/s | 217.7 pages/s |
| Background Blur | 33.4 frames/s | 31.6 frames/s |
| Photo Processing | 64.2 frames/s | 71.1 frames/s |
| Ray Tracing | 12.5 MP/sec | 9.8 MP/sec |
Blender
Performance/Watt
| Geekbench 6 Multi / W | 503.5 PPW | 477.3 PPW |
| PassMark CPU / W | 966.6 PPW | 890.2 PPW |
| Blender / W | 6.32 PPW | 5.15 PPW |
General Info
| Manufacturer | Intel | Intel |
| Announced | January, 3, 2023 | February, 23, 2022 |
| Type | Laptop use | Laptop use |
| Architecture | x86-64 | x86-64 |
| Codename | Raptor Lake | Alder Lake |
| Model number | i7-1355U | i7-1255U |
| Integrated GPU | Iris Xe Graphics (96EU) | Iris Xe Graphics (96EU) |
Processor
| Cores | 2 | 2 |
| Threads | 4 | 4 |
| Frequency | 1.7 GHz | 1.7 GHz |
| Max Frequency (Turbo) | 5 GHz | 4.7 GHz |
| Cores | 8 | 8 |
| Threads | 8 | 8 |
| Frequency | 1.2 GHz | 1.2 GHz |
| Max Frequency (Turbo) | 3.7 GHz | 3.5 GHz |
| Cores count | 10 | 10 |
| Threads count | 12 | 12 |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 17x | 17x |
| L1 cache | 80 KB/core | 80 KB/core |
| L2 cache | 1280 KB/core | 1280 KB/core |
| L3 Cache | 12 MB total | 12 MB total |
| Unlocked multiplier | No | No |
Package
| Process tech. | 10 nm | 10 nm |
| Power (TDP) | 12-15 W | 12-15 W |
| Max TDP (Boost) | 55 W | 55 W |
| Socket | BGA-1744 | BGA-1744 |
| Critical temp. | 100 °C | 100 °C |
Memory Support
| Memory Type | - DDR5-5200 - DDR4-3200 - LPDDR5-6400 - LPDDR5x-6400 - LPDDR4x-4267 |
- DDR5-4800 - DDR4-3200 - LPDDR5-5200 - LPDDR4x-4267 |
| Max Size | 96 GB | 64 GB |
| Channels | 2 | 2 |
| ECC support | No | No |
Other
| PCIe Version | 4.0 | 4.0 |
| Max PCIe Lanes | 20 | 20 |
Results
No clear favorite identified yet; updates may follow as new data arrives.
Survey
Total Votes: 0
