Follow us
Share link
Submit benchmark
VS
Intel Core i7-8557U vs Intel Core Ultra 7 265F
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 6 Single-Core
Single-core performance
Intel Core i7-8557U
44 %
4C / 8T · 4.50 GHz
Intel Core Ultra 7 265F
100 %
20C / 20T · 5.30 GHz
Geekbench 6 Multi-Core
Multi-core performance
Intel Core i7-8557U
21 %
4C / 8T · 3.40 GHz
Intel Core Ultra 7 265F
100 %
20C / 20T · 4.60 GHz
More benchmarks
Cinebench 2024 (SC)
427 entries
427 entries
Cinebench 2024 (MC)
422 entries
422 entries
Cinebench R23 (SC)
690 entries
690 entries
Cinebench R23 (MC)
665 entries
665 entries
Geekbench 6 (SC)
1,989 entries
1,989 entries
Geekbench 6 (MC)
1,927 entries
1,927 entries
Cinebench R20 (SC)
666 entries
666 entries
Geekbench 5 (SC)
2,512 entries
2,512 entries
Cinebench R20 (MC)
615 entries
615 entries
Geekbench 5 (MC)
2,483 entries
2,483 entries
FP32 SP (iGPU)
2,219 entries
2,219 entries
3DMark Timespy (iGPU)
534 entries
534 entries
PassMark CPU-Mark
2,504 entries
2,504 entries
Cinebench R15 (SC)
1,113 entries
1,113 entries
Cinebench R15 (MC)
1,110 entries
1,110 entries
AI performance (NPU)
218 entries
218 entries
Specifications
At a glance
|
Wischen
|
Intel Core i7-8557U | Intel Core Ultra 7 265F |
|---|---|---|
| Family | Intel Core i7 (300) | Intel Core Ultra 7 (31) |
| CPU group | Intel Core i 8000U (8) | Intel Core Ultra 200 AL-S (20) |
| Architecture | Coffee Lake U | Arrow Lake |
| Technology | 14 nm | 3 nm |
| Segment | Notebook | Desktop |
| Socket | BGA 1528 | LGA 1851 |
| Predecessor | ||
| Successor |
CPU Cores and Base Frequency
|
Wischen
|
Intel Core i7-8557U | Intel Core Ultra 7 265F |
|---|---|---|
| CPU Cores / Threads | 4 / 8 | 20 / 20 |
| Hyperthreading / SMT | ✓ | ✗ |
| Core architecture | normal | hybrid (big.LITTLE) |
| Core Cluster 1: | 4x 1.70 - 4.50 GHz |
8x Lion Cove 2.40 - 5.30 GHz |
| Core Cluster 2: | 12x Skymont 1.80 - 4.60 GHz |
|
| L2-Cache | 36.00 MB | |
| L3-Cache | 8.00 MB | 33.00 MB |
| Overclocking | ✗ | ✓ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Core i7-8557U | Intel Core Ultra 7 265F |
|---|---|---|
| GPU name | Intel Iris Plus Graphics 645 | no iGPU |
| GPU frequency | 0.30 - 1.15 GHz | |
| CUs / Shader | 48 / 384 | / |
| Raytracing | ✗ | ✗ |
| Max. displays | 3 | |
| Max. GPU Memory | 32 GB | |
| Technology | 14 nm | |
| Release date | Q4/2017 |
NPU AI performance
|
Wischen
|
Intel Core i7-8557U | Intel Core Ultra 7 265F |
|---|---|---|
| AI hardware | Intel® AI Boost | |
| AI specifications | Intel AI Boost NPU 4 @ 13 TOPS | |
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Core i7-8557U | Intel Core Ultra 7 265F |
|---|---|---|
| Memory | DDR4-2400 (38.4 GB/s) | DDR5-6400 (102.4 GB/s) |
| Max. Memory | 32 GB | 256 GB |
| Memory channels | 2 | 2 |
| ECC | No | Yes |
| PCIe | 3.0 x 16 | 5.0 x 20 |
| PCIe Bandwidth | 15.8 GB/s | 78.8 GB/s |
Thermal Management
|
Wischen
|
Intel Core i7-8557U | Intel Core Ultra 7 265F |
|---|---|---|
| TDP | 15 W | 65 W |
| TDP (PL2) | 182 W | |
| TDP up | ||
| TDP down | ||
| T. junction max. | 105 °C |
Technical details
|
Wischen
|
Intel Core i7-8557U | Intel Core Ultra 7 265F |
|---|---|---|
| Chip design | Monolithic | Monolithic |
| AES-NI | ✓ | ✓ |
| Operating systems | Windows 10, Windows 11, Linux | Windows 11, Linux |
| Instruction set | x86-64 (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4.1, SSE4.2, AVX2 | SSE4.1, SSE4.2, AVX2 |
| Release date | Q3/2019 | Q1/2025 |
| Release price | 430 $ | 369 $ |
| Documents | Technical data sheet | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of Intel Core i7-8557U is 4.0 stars (2 ratings), while Intel Core Ultra 7 265F has received 3.9 stars (35 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
1
Apple M5 Max (18-CPU 32-GPU)
18C / 18T · 4.61 GHz
2
Apple M3 Ultra (28-CPU 60-GPU)
28C / 28T · 4.06 GHz
3
Apple M2 Ultra (76-GPU)
24C / 24T · 3.50 GHz
4
Apple M5 Max (18-CPU 40-GPU)
18C / 18T · 4.61 GHz
5
Apple M3 Ultra (32-CPU 80-GPU)
32C / 32T · 4.06 GHz
6
Apple M5 Pro (15-CPU 16-GPU)
15C / 15T · 4.61 GHz
7
Apple M1 Ultra (48-GPU)
20C / 20T · 3.20 GHz
8
Intel Core i7-8557U
4C / 8T · 4.50 GHz
9
Intel Core Ultra 7 265F
20C / 20T · 5.30 GHz
Popular Comparisons
