intel core i5 11400f vs intel core i7 8700k
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We compared two CPUs Intel Core i5 11400F (Desktop) 6-cores against Intel Core i7 8700K (Desktop) 6-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 i5 11400F
- Newer released 4 years later
- Consumes up to 32% less energy than the Intel Core i7 8700K – 65 vs 95 Watt
- Around 8.4 GB/s (17%) higher theoretical memory bandwidth
- Newer PCI Express version – 4
Advantages of Intel Core i7 8700K
- 6% higher Turbo Boost frequency (4.7 GHz vs 4.4 GHz)
- Unlocked multiplier
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 i5 11400F | Intel Core i7 8700K | |
| Vendor | Intel | Intel |
| Released | May 19 2021 | January 5 2017 |
| Type | Desktop | Desktop |
| instruction set | x86-64 | x86-64 |
| Codename | Rocket Lake-S | Coffee Lake-S |
| Socket | FCLGA1200 | FCLGA1151 |
| Integrated GPU | Intel UHD Graphics 630 |
Performance
| Intel Core i5 11400F | Intel Core i7 8700K | |
| Cores | 6 | 6 |
| Threads | 12 | 12 |
| Base Frequency | 2.6 GHz | 3.7 GHz |
| Turbo Boost Frequency | 4.4 GHz | 4.7 GHz |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 256K (per core) | 256K (per core) |
| L3 Cache | 12 MB (shared) | 12288 KB |
| Unlocked Multiplier | No | Yes |
Power
| Intel Core i5 11400F | Intel Core i7 8700K | |
| Fabrication process | 14 nm | 14 nm |
| Power consumption (TDP) | 65 W | 95 W |
| Max. temperature | 100°C | 100°C |
Memory support
| Intel Core i5 11400F | Intel Core i7 8700K | |
| Memory types | DDR4-3200 | DDR3, DDR4 |
| Memory Size | 128 GB | 128 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 50 GB/s | 41.6 GB/s |
| ECC Support | No | No |
iGPU
| Intel Core i5 11400F | Intel Core i7 8700K | |
| Integrated Graphics | Intel UHD Graphics 630 | |
| GPU Base Clock | MHz | 350 MHz |
| GPU Boost Clock | MHz | 1.2 MHz |
| Shading Units | 192 | |
| TMUs | 24 | |
| ROPs | 3 | |
| TGP | W | 15 W |
iGPU FLOPS
Misc
| Intel Core i5 11400F | Intel Core i7 8700K | |
| Official site | Intel Core i5 11400F official page | Intel Core i7 8700K official page |
| PCI Express Version | 4 | 3 |
| PCI Express Lanes | 20 | 16 |