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£450
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AvailabilityMSRP in USD: $196
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MSRP in USD: $196
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Key Differences
In short — Core i9-7900X outperforms Core i5-661 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-7900X is 2727 days newer than Core i5-661.
Advantages of Intel Core i5-661
- Consumes up to 38% less energy than Intel Core i9-7900X - 87 vs 140 Watts
- Works without a dedicated GPU, while Intel Core i9-7900X doesn't have integrated graphics
Advantages of Intel Core i9-7900X
- Performs up to 198% better in League of Legends than Core i5-661 - 170 vs 57 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-661 - 20 vs 4 threads
League of Legends
Resolution
1920 x 1080
Game Graphics
Very High
Intel BX80673I97900X Core Processor i9-7900X 3.3 GHz
Buy for £450 on Amazon
In Stock
Updated 77391 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Very High
Core i5-661
Desktop • Jan 7th, 2010
Core i9-7900X
Desktop • Jun 26th, 2017
Geekbench 5 Benchmarks
Intel Core i5-661 | vs | Intel Core i9-7900X |
|---|---|---|
| Jan 7th, 2010 | Release Date | Jun 26th, 2017 |
| Core i5 | Collection | Core i9 |
| Clarkdale | Codename | Skylake-E/EP |
| Intel Socket 1156 | Socket | Intel Socket 2066 |
Desktop | Segment | Desktop |
| 2 | Cores | 10 |
| 4 | Threads | 20 |
3.3 GHz | Base Clock Speed | 3.3 GHz |
| 3.6 GHz | Turbo Clock Speed | 4.3 GHz |
87 W | TDP | 140 W |
| 32 nm | Process Size | 14 nm |
| 25.0x | Multiplier | 33.0x |
Intel HD | Integrated Graphics | None |
| No | Overclockable | Yes |
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