intel
Brand6/6
Cores/Threads2.8GHz
Base Clock65W
TDPIntel Core i5-8400
intel
Brand4/8
Cores/Threads4GHz
Base Clock95W
TDPIntel Core i7-6700K
Intel Core i5-8400
Intel Core i5-8400
$ • Oct 2017
Intel Core i7-6700K
$ • Jul 2015
Intel Core i7-6700K
Specs Comparison
| Specification | Intel Core i5-8400 | Intel Core i7-6700K |
|---|---|---|
| Cores | 6 | 4 |
| Threads | 6 | 8 |
| Base Clock | 2.8 GHz | 4.0 GHz |
| Boost Clock | 4.0 GHz | 4.2 GHz |
| Multiplier Unlocked | ✓ Yes | ✓ Yes |
| Multiplier | 28 X | 40 X |
| TDP | 65 W | 95 W |
| Memory Support | DDR4 | DDR4 |
| Cache L1 | 64 KB | 64 KB |
| Cache L2 | 0.25 MB | 0.25 MB |
| Cache L3 | 9.00 MB | 8.00 MB |
| Integrated GPU | N/A | HD Graphics 530 |
| Architecture | Core i5 (Coffee Lake) | Core i7 (Skylake) |
| Process Size | 14nm | 14nm |
| Socket | intel socket 1151 | intel socket 1151 |
| Foundry | Intel | Intel |
| Die Size | N/A | N/A |
| PCI Express | Gen 3, 16 Lanes(CPU only) | Gen 3, 16 Lanes(CPU only) |
| Transistors | N/A | N/A |
| Max Temperature | N/A | N/A |
Comparison in Tools
Cinebench R23
Industry-leading 3D rendering benchmark that measures real-world CPU processing power and performance
Single Core Performance
Intel Core i5-8400
Intel Core i7-6700K
Multi Core Performance
Intel Core i5-8400
Intel Core i7-6700K
Geekbench 5
Popular cross-platform CPU benchmark measuring single and multi-core performance in real-world tasks
Single Core Performance
Intel Core i5-8400
Intel Core i7-6700K
Multi Core Performance
Intel Core i5-8400
Intel Core i7-6700K
PassMark
PassMark CPU Mark is a popular synthetic benchmark that scores overall CPU performance (higher is better).
Overall CPU Score
Intel Core i5-8400
Intel Core i7-6700K
Blender Benchmark
Measures CPU rendering speed in Blender, reported in frames per second (FPS). Higher FPS means faster completion of 3D rendering tasks.
Blender FPS
Intel Core i5-8400
Intel Core i7-6700K
Comparison in Games
No benchmark data available for this combination of CPUs yet.
We're working on collecting performance data for this combination of CPUs. Please check back later.
It's a Tie!
Based on 4 synthetic benchmarks
Intel Core i5-8400
INTEL • 6/6 • 2.8GHz
Intel Core i7-6700K
INTEL • 4/8 • 4GHz
Check out more comparisons
Comments & Discussion
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