intel
Brand10/20
Cores/Threads3.3GHz
Base Clock140W
TDPIntel Core i9-7900X
intel
Brand8/16
Cores/Threads3.6GHz
Base Clock95W
TDPIntel Core i9-9900K
Intel Core i9-7900X
Intel Core i9-7900X
$999 • Jun 2017
Intel Core i9-9900K
$488 • Oct 2018
Intel Core i9-9900K
Specs Comparison
| Specification | Intel Core i9-7900X | Intel Core i9-9900K |
|---|---|---|
| Cores | 10 | 8 |
| Threads | 20 | 16 |
| Base Clock | 3.3 GHz | 3.6 GHz |
| Boost Clock | 4.5 GHz | 5.0 GHz |
| Multiplier Unlocked | ✓ Yes | ✓ Yes |
| Multiplier | 33 X | 36 X |
| TDP | 140 W | 95 W |
| Memory Support | DDR4 | DDR4 |
| Cache L1 | 64 KB | 64 KB |
| Cache L2 | 1.00 MB | 0.25 MB |
| Cache L3 | 14.00 MB | 16.00 MB |
| Integrated GPU | N/A | UHD Graphics 630 |
| Architecture | Core i9 (X-Series 7th Gen) | Core i9 (Coffee Lake Refresh) |
| Process Size | 14nm | 14nm |
| Socket | intel socket 2066 | intel socket 1151 |
| Foundry | Intel | Intel |
| Die Size | N/A | 180.3 mm² |
| PCI Express | Gen 3, 44 Lanes(CPU only) | Gen 3, 16 Lanes(CPU only) |
| Transistors | N/A | N/A |
| Max Temperature | N/A | 100°C |
Comparison in Tools
Cinebench R23
Industry-leading 3D rendering benchmark that measures real-world CPU processing power and performance
Single Core Performance
Intel Core i9-7900X
Intel Core i9-9900K
Multi Core Performance
Intel Core i9-7900X
Intel Core i9-9900K
Geekbench 5
Popular cross-platform CPU benchmark measuring single and multi-core performance in real-world tasks
Single Core Performance
Intel Core i9-7900X
Intel Core i9-9900K
Multi Core Performance
Intel Core i9-7900X
Intel Core i9-9900K
PassMark
PassMark CPU Mark is a popular synthetic benchmark that scores overall CPU performance (higher is better).
Overall CPU Score
Intel Core i9-7900X
Intel Core i9-9900K
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 i9-7900X
Intel Core i9-9900K
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 i9-7900X
INTEL • 10/20 • 3.3GHz
Intel Core i9-9900K
INTEL • 8/16 • 3.6GHz
Check out more comparisons
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