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Intel Core i7-8565U vs Intel Core 2 Quad Q8400
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 5, 64bit Single-Core
Single-core performance
Intel Core i7-8565U
100 %
4C / 8T · 4.60 GHz
4C / 4T · 2.66 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
Intel Core i7-8565U
100 %
4C / 8T · 2.40 GHz
4C / 4T · 2.66 GHz
CPU-Z Benchmark 17 Multi-Core
Multi-core performance
Intel Core i7-8565U
100 %
4C / 8T · 1.80 GHz
4C / 4T · 2.66 GHz
More benchmarks
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
Blender 3.1 Benchmark
213 entries
213 entries
PassMark CPU-Mark
2,504 entries
2,504 entries
Blender 2.81 (bmw27)
190 entries
190 entries
CPU-Z Benchmark 17 (SC)
250 entries
250 entries
CPU-Z Benchmark 17 (MC)
751 entries
751 entries
Cinebench R15 (SC)
1,113 entries
1,113 entries
Cinebench R15 (MC)
1,110 entries
1,110 entries
Geekbench 3 (SC)
945 entries
945 entries
Geekbench 3 (MC)
941 entries
941 entries
Cinebench R11.5 (SC)
826 entries
826 entries
Cinebench R11.5 (MC)
837 entries
837 entries
Cinebench R11.5 iGPU
383 entries
383 entries
Specifications
At a glance
|
Wischen
|
Intel Core i7-8565U | Intel Core 2 Quad Q8400 |
|---|---|---|
| Family | Intel Core i7 (300) | Intel Core2 Quad (19) |
| CPU group | Intel Core i 8000U (WL) (8) | Intel Core 2 Quad Q8000/Q9000 (16) |
| Architecture | Whiskey Lake U | Yorkfield (Penryn) |
| Technology | 14 nm | 45 nm |
| Segment | Notebook | Desktop |
| Socket | BGA 1356 | LGA 775 |
| Predecessor | ||
| Successor |
CPU Cores and Base Frequency
|
Wischen
|
Intel Core i7-8565U | Intel Core 2 Quad Q8400 |
|---|---|---|
| CPU Cores / Threads | 4 / 8 | 4 / 4 |
| Hyperthreading / SMT | ✓ | ✗ |
| Core architecture | normal | normal |
| Cores: | 4x | 4x |
| Frequency: | 1.80 GHz | 2.66 GHz |
| Turbo (1 Core): | 4.60 GHz | |
| Turbo (All Cores): | 2.40 GHz | |
| L2-Cache | 4.00 MB | |
| L3-Cache | 8.00 MB | |
| Overclocking | ✗ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Core i7-8565U | Intel Core 2 Quad Q8400 |
|---|---|---|
| GPU name | Intel UHD Graphics 620 | no iGPU |
| GPU frequency | 0.30 - 1.15 GHz | |
| CUs / Shader | 24 / 192 | / |
| Raytracing | ✗ | ✗ |
| Max. displays | 3 | |
| Max. GPU Memory | 16 GB | |
| Technology | 14 nm | |
| Release date | Q3/2016 |
NPU AI performance
|
Wischen
|
Intel Core i7-8565U | Intel Core 2 Quad Q8400 |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Core i7-8565U | Intel Core 2 Quad Q8400 |
|---|---|---|
| Memory | DDR4-2400 (38.4 GB/s) | DDR3-1066 (17.1 GB/s) DDR2-800 (12.8 GB/s) |
| Max. Memory | 64 GB | 16 GB |
| Memory channels | 2 | 2 |
| ECC | No | No |
| PCIe | 3.0 x 16 | |
| PCIe Bandwidth | 15.8 GB/s |
Thermal Management
|
Wischen
|
Intel Core i7-8565U | Intel Core 2 Quad Q8400 |
|---|---|---|
| TDP | 15 W | 95 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | ||
| T. junction max. |
Technical details
|
Wischen
|
Intel Core i7-8565U | Intel Core 2 Quad Q8400 |
|---|---|---|
| Chip design | Monolithic | Monolithic |
| AES-NI | ✓ | ✗ |
| Operating systems | Windows 10, Windows 11, Linux | Windows 10, Linux |
| Instruction set | x86-64 (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4.1, SSE4.2, AVX2 | MMX, SSE2, SSE3, SSE4.1 |
| Release date | Q3/2018 | Q2/2009 |
| Release price | 385 $ | |
| Documents | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of Intel Core i7-8565U is 3.7 stars (49 ratings), while Intel Core 2 Quad Q8400 has received 3.8 stars (21 ratings).
Click on the stars to rate one or both processors.
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4C / 4T · 0.00 GHz
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Intel Core i7-8565U
4C / 8T · 4.60 GHz
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