CPU Compare
Intel Core i9-7940X
Intel Core i7-4790K
Review
General overview and comparison of the processorsSingle-Core Performance
Performance in single-threaded apps and benchmarks
Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
SysReqs Overall Score
Generic CPU rating
Benchmarks
Comparing the performance of CPUs in benchmarksPassmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench CPU (Single-Core)
Geekbench CPU (Multi-Core)
Specifications
Comparing technical specifications of the Intel Core i9-7940X and Intel Core i7-4790KGeneral
| Manufacturer | Intel | Intel |
|---|---|---|
| Name | Core i9-7940X | Core i7-4790K |
| Segment | Desktop | Desktop |
| Codename | Skylake | Haswell |
| Release Date | Sep 2017 | Jun 2014 |
| Integrated Graphics | None | Intel HD Graphics 4600 |
| Unlocked Multiplier | Yes | Yes |
CPU
| Cores | 14 | 4 |
|---|---|---|
| Threads | 28 | 8 |
| Base Clock | 3.10 | 4.00 |
| Turbo Clock | 0.00 | 0.00 |
| L1 Cache | 896 KB | 256 KB |
| L2 Cache | 14 MB | 1 MB |
| L3 Cache | 19.25 MB | 8 MB |
Package
| Lithography | 14 nm | 22 nm |
|---|---|---|
| Socket | LGA2066 | LGA1150 |
| TDP | 165 | 88 |