Intel Core i7 1255U vs Intel Core i5 1235U
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Compared 2 processors: Intel Core i7 1255U, vs Intel Core i5 1235U. 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 | 49.1 GOps/s | 49.1 GOps/s |
| Floating-Point Math | 33 GOps/s | 46.6 GOps/s |
| Prime Number Search | 41 M primes/s | 1211 M primes/s |
| Random String Sort | 17.1 M strings/s | 17.2 M strings/s |
| Data Encryption | 9.3 GB/s | 9.4 GB/s |
| Data Compression | 148.2 MB/s | 148.4 MB/s |
| Physics | 798 frames/s | 703 frames/s |
| Extended Instructions | 83 M matrices/s | 82 M matrices/s |
| File Compression | 626.4 MB/s | 448.4 MB/s |
| Clang Compilation | 49.1 KLines/s | 24.1 KLines/s |
| HTML5 Browser | 179.7 pages/s | 156 pages/s |
| PDF Rendering | 201.5 MP/sec | 128.9 MP/sec |
| Text Processing | 217.7 pages/s | 206.3 pages/s |
| Background Blur | 31.6 frames/s | 34.7 frames/s |
| Photo Processing | 71.1 frames/s | 54.1 frames/s |
| Ray Tracing | 9.8 MP/sec | 10.5 MP/sec |
Blender
Performance/Watt
| Geekbench 6 Multi / W | 477.3 PPW | 424.1 PPW |
| PassMark CPU / W | 890.2 PPW | 871.3 PPW |
| Cinebench 2024 / W | n/a | 24.5 PPW |
| Blender / W | 5.15 PPW | 5.36 PPW |
General Info
| Manufacturer | Intel | Intel |
| Announced | February, 23, 2022 | February, 23, 2022 |
| Type | Laptop use | Laptop use |
| Architecture | x86-64 | x86-64 |
| Codename | Alder Lake | Alder Lake |
| Model number | i7-1255U | i5-1235U |
| Integrated GPU | Iris Xe Graphics (96EU) | Iris Xe Graphics (80EU) |
Processor
| Cores | 2 | 2 |
| Threads | 4 | 4 |
| Frequency | 1.7 GHz | 1.3 GHz |
| Max Frequency (Turbo) | 4.7 GHz | 4.4 GHz |
| Cores | 8 | 8 |
| Threads | 8 | 8 |
| Frequency | 1.2 GHz | 0.9 GHz |
| Max Frequency (Turbo) | 3.5 GHz | 3.3 GHz |
| Cores count | 10 | 10 |
| Threads count | 12 | 12 |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 17x | 13x |
| 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 | - DDR5-4800 - DDR4-3200 - LPDDR5-5200 - LPDDR4x-4267 |
- DDR5-4800 - DDR4-3200 - LPDDR5-5200 - LPDDR4x-4267 |
| Max Size | 64 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
