Intel Core i7 1255U vs i7 1185G7
45
out of 100
VS
39
out of 100
We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1255U with 10-cores against the 1.2-3.0 GHz i7 1185G7 with 4-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 i7 1255U
- Has 6 more physical cores
- Newer - released 1 year and 6 months later
- 21% faster in a single-core Geekbench v6 test - 2248 vs 1864 points
Advantages of Intel Core i7 1185G7
- 2% higher Turbo Boost frequency (4.8 GHz vs 4.7 GHz)
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 | 626.4 MB/sec | 729.9 MB/sec |
| Clang compilation | 49.1 Klines/sec | 28.4 Klines/sec |
| HTML 5 Browser | 179.7 pages/sec | 144.7 pages/sec |
| PDF Renderer | 201.5 Mpixels/sec | 168.4 Mpixels/sec |
| Text processing | 217.7 pages/sec | 121.7 pages/sec |
| Background blur | 31.6 images/sec | 23.9 images/sec |
| Photo processing | 71.1 images/sec | 71.3 images/sec |
| Ray tracing | 9.8 Mpixels/sec | 7.3 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 47.7 GOps/sec | 33.7 GOps/sec |
| Floating point math | 32.2 GOps/sec | 19.8 GOps/sec |
| Find prime numbers | 38M Primes/sec | 46M Primes/sec |
| Random string sorting | 16.8M Strings/sec | 12.5M Strings/sec |
| Data encryption | 9.1 GBytes/sec | 5.5 GBytes/sec |
| Data compression | 145.7 MBytes/sec | 102.4 MBytes/sec |
| Physics | 750 Frames/sec | 736 Frames/sec |
| Extended instructions | 8.2B Matrices/sec | 7.2B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 29.7 PPW | 11.2 PPW |
| Geekbench 6 Multi / Watt | 477.3 PPW | 202.5 PPW |
| Passmark CPU Mark / Watt | 865.2 PPW | 353.4 PPW |
| Blender / Watt | 5.15 PPW | 2.23 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core i7 1255U
| Date | Benchmark | Result |
|---|---|---|
| ๐ 2026-02-13 -> Lello75 | Geekbench 6 CPU | 2315 / 7219 |
| ๐ 2025-04-13 (kapple) | Cinebench 2024 | 95 / 446 |
Intel Core i7 1185G7
| Date | Benchmark | Result |
|---|---|---|
| ๐ 2025-10-23 (mentos_sotnem) | Geekbench 6 CPU | 1769 / 5723 |
Specifications
Full technical specification of Intel Core i7 1255U and i7 1185G7General
| Vendor | Intel | Intel |
| Released | February 23, 2022 | September 2, 2020 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Alder Lake | Tiger Lake |
| Model number | i7-1255U | i7-1185G7 |
| Integrated GPU | Iris Xe Graphics (96EU) | Iris Xe Graphics G7 96EU |
| Rival Equivalent | - | - AMD Ryzen 7 5800U |
| Successor | - Intel Core Ultra 7 255U | - |
Intel CPU rating (#186th place)
CPU
| P-Cores | 2 | 4 |
| P-Threads | 4 | 8 |
| Base Frequency (P) | 1.7 GHz | 1.2-3.0 GHz |
| Turbo Boost Frequency (P) | 4.7 GHz | 4.8 GHz |
| E-Cores | 8 | - |
| E-Threads | 8 | - |
| Base Frequency (E) | 1.2 GHz | - |
| Turbo Boost Frequency (E) | 3.5 GHz | - |
| Total Cores | 10 | 4 |
| Total Threads | 12 | 8 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 17x | 12-30x |
| Bus Bandwidth | - | 4 GT/s |
| L1 Cache | 80K (per core) | 96K (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) | 12-28 W (configurable) |
| Max. Boost TDP (PL2) | 55 W | - |
| Socket | BGA-1744 | BGA-1449 |
| Peak Temperature | 100ยฐC | 100ยฐC |
iGPU
| Integrated Graphics | Intel Iris Xe Graphics (96EU) | Iris Xe Graphics G7 96EU |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 1250 MHz | 1350 MHz |
| Shading Units | 768 | 768 |
| TMUs | 48 | 48 |
| ROPs | 24 | 24 |
| Execution Units | 96 | 96 |
| TGP | 15 W | 15 W |
iGPU FLOPS
Memory Support
| Memory Types | - DDR5-4800 - DDR4-3200 - LPDDR5-5200 - LPDDR4x-4267 |
- DDR4-3200 - LPDDR4x-4267 |
| Max. Memory Size | 64 GB | 64 GB |
| Memory Channels | 2 | 2 |
| ECC Support | No | No |
Misc
| Official Site | Intel Core i7 1255U official page | Intel Core i7 1185G7 official page |
| PCI Express Version | 4.0 | 4.0 |
| PCI Express Lanes | 20 | 16 |
Cast your vote
Total votes: 95