
intel
Brand6/12
Cores/Threads2.9GHz
Base Clock65W
TDPIntel Core i5-10400

intel
Brand6/12
Cores/Threads3.4GHz
Base Clock140W
TDPIntel Core i7-6800K

Intel Core i5-10400
Intel Core i5-10400
$ • Apr 2020
Intel Core i7-6800K
$434 • May 2016
Intel Core i7-6800K

Specs Comparison
| Specification | Intel Core i5-10400 | Intel Core i7-6800K |
|---|---|---|
| Cores | 6 | 6 |
| Threads | 12 | 12 |
| Base Clock | 2.9 GHz | 3.4 GHz |
| Boost Clock | 4.3 GHz | 3.6 GHz |
| Multiplier Unlocked | ✓ Yes | ✓ Yes |
| Multiplier | 29 X | 34 X |
| TDP | 65 W | 140 W |
| Memory Support | DDR4 | DDR4 |
| Cache L1 | 64 KB | 64 KB |
| Cache L2 | 0.25 MB | 0.25 MB |
| Cache L3 | 12.00 MB | 15.00 MB |
| Integrated GPU | UHD Graphics 630 | N/A |
| Architecture | Core i5 (Comet Lake) | Core i7 (Broadwell-E) |
| Process Size | 14nm | 14nm |
| Socket | intel socket 1200 | intel socket 2011-3 |
| Foundry | Intel | Intel |
| Die Size | N/A | 246 mm² |
| PCI Express | Gen 3, 16 Lanes(CPU only) | Gen 3, 28 Lanes(CPU only) |
| Transistors | N/A | 3400 million |
| Max Temperature | 100°C | 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 i5-10400
Intel Core i7-6800K
Multi Core Performance
Intel Core i5-10400
Intel Core i7-6800K


Geekbench 5
Popular cross-platform CPU benchmark measuring single and multi-core performance in real-world tasks
Single Core Performance
Intel Core i5-10400
Intel Core i7-6800K
Multi Core Performance
Intel Core i5-10400
Intel Core i7-6800K


PassMark
PassMark CPU Mark is a popular synthetic benchmark that scores overall CPU performance (higher is better).
Overall CPU Score
Intel Core i5-10400
Intel Core i7-6800K


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 i5-10400
Intel Core i7-6800K
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 i5-10400
INTEL • 6/12 • 2.9GHz

Intel Core i7-6800K
INTEL • 6/12 • 3.4GHz
Check out more comparisons
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