intel core i7 1255u vs intel core i5 1135g7
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We compared two CPUs Intel Core i7 1255U (Laptop) 10-cores against Intel Core i5 1135G7 (Laptop) 4-cores. In this comparison page, we check which of these two processor has better performance in benchmark results, Games, architecture, price and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Performance
Measure performance when all cores are involved
Key Differences
Advantages of Intel Core i7 1255U
- Newer released 2 years later
- Has 6 more physical cores
- Consumes up to 46% less energy than the Intel Core i5 1135G7 – 15 vs 28 Watt
- Has 4 MB larger L3 cache size
- 11% higher Turbo Boost frequency (4.7 GHz vs 4.2 GHz)
- More modern manufacturing process – 7 versus 10
Advantages of Intel Core i5 1135G7
Benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Specifications
General
| Intel Core i7 1255U | Intel Core i5 1135G7 | |
| Vendor | Intel | Intel |
| Released | January 4 2022 | September 1 2020 |
| Type | Laptop | Laptop |
| instruction set | x86-64 | x86-64 |
| Codename | Alder Lake-U | Tiger Lake UP3 |
| Socket | FCBGA1744 | FCBGA1449 |
| Integrated GPU | Intel® Iris® Xe Graphics eligible | Intel® Iris® Xe Graphics |
Performance
| Intel Core i7 1255U | Intel Core i5 1135G7 | |
| Cores | 10 | 4 |
| Threads | 12 | 8 |
| Base Frequency | 1.7 GHz | 2.4 GHz |
| Turbo Boost Frequency | 4.7 GHz | 4.2 GHz |
| L1 Cache | 80K (per core) | 96K (per core) |
| L2 Cache | 1.25 MB (per core) | 1.25 MB (per core) |
| L3 Cache | 12 MB (shared) | 8 MB (shared) |
Power
| Intel Core i7 1255U | Intel Core i5 1135G7 | |
| Fabrication process | Intel 7 nm | 10 nm SuperFin |
| Power consumption (TDP) | 15 W | 28 W |
| Max. temperature | 100°C | 100°C |
Memory support
| Intel Core i7 1255U | Intel Core i5 1135G7 | |
| Memory types | DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267 | DDR4, DDR4 |
| Memory Size | 64 GB | 64 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | - | - |
| ECC Support | No | No |
iGPU
| Intel Core i7 1255U | Intel Core i5 1135G7 | |
| Integrated Graphics | Intel® Iris® Xe Graphics eligible | Intel® Iris® Xe Graphics |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 1.25 MHz | 1.3 MHz |
| Shading Units | 768 | 640 |
| TMUs | 48 | 40 |
| ROPs | 24 | 20 |
| Execution Units | 96 | 80 |
| TGP | 15 W | 15 W |
iGPU FLOPS
Misc
| Intel Core i7 1255U | Intel Core i5 1135G7 | |
| Official site | Intel Core i7 1255U official page | Intel Core i5 1135G7 official page |
| PCI Express Version | 4 | 4 |
| PCI Express Lanes | 20 |