AMD Ryzen 9 3900X vs Intel Core i7-8700K
Summary
AMD Ryzen 9 3900X
162%
Intel Core i7-8700K
100%
Relative performance
AMD Ryzen 9 3900X
101%
Intel Core i7-8700K
100%
Relative performance
AMD Ryzen 9 3900X
223%
Intel Core i7-8700K
100%
Relative performance
Reasons to consider AMD Ryzen 9 3900X |
| Much higher multi threaded performance (around 123% higher). This allows for higher performance in professional applications like encoding or heavy multitasking. |
| This is a newer product, it might have better application compatibility/performance (check features chart below). |
| Around 62% higher average synthetic performance. |
Reasons to consider Intel Core i7-8700K |
| Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the AMD Ryzen 9 3900X. |
Gaming
HWBench recommends AMD Ryzen 9 3900X
Based on game and synthetic benchmarks, and theoretical specifications.
Productivity
HWBench recommends AMD Ryzen 9 3900X
Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.
Features
| AMD Ryzen 9 3900X | | Intel Core i7-8700K | |
|---|
| MMX | | | |
| SSE | | | |
| SSE2 | | | |
| SSE3 | | | |
| SSSE3 | | | |
| SSE4A | | | |
| SSE4.1 | | | |
| SSE4.2 | | | |
| AES | | | |
| AVX | | | |
| AVX2 | | | |
| BMI1 | | | |
| BMI2 | | | |
| SHA | | | |
| F16C | | | |
| FMA3 | | | |
| AMD64 | | | |
| EVP | | | |
| AMD-V | | | |
| SMAP | | | |
| SMEP | | | |
| SMT | | | |
| Precision Boost 2 | | | |
| XFR 2 | | | |
| EIST | | | |
| Intel 64 | | | |
| XD bit | | | |
| VT-x | | | |
| VT-d | | | |
| HTT | | | |
| AES-NI | | | |
| TSX | | | |
| TXT | | | |
| CLMUL | | | |
| Boost 2.0 | | | |
Architecture
| AMD Ryzen 9 3900X | | Intel Core i7-8700K | |
|---|
| Architecture | AMD Zen 2 | vs | Intel_Coffelake |
| Market | Desktop | vs | Desktop |
| Memory Support | DDR4 | vs | DDR4 |
| Codename | Zen 2 | vs | Coffee Lake |
| Release Date | Dec 2019 | vs | Oct 2017 |
Cores
| AMD Ryzen 9 3900X | | Intel Core i7-8700K | |
|---|
| Cores | 12 | vs | 6 |
| Threads | 24 | vs | 12 |
| SMPs | 1 | vs | 1 |
| Integrated Graphics | No | vs | Intel UHD 630 |
Cache
| AMD Ryzen 9 3900X | | Intel Core i7-8700K | |
|---|
| L1 Cache | 96K (per core) | vs | 64 KB (per core) |
| L2 Cache | 512K (per core) | vs | 256 KB (per core) |
| L3 Cache | 64MB | vs | 12288 KB (shared) |
Physical
| AMD Ryzen 9 3900X | | Intel Core i7-8700K | |
|---|
| Socket | AMD Socket AM4 | vs | Intel Socket 1151 |
| Max Case Temp | unknown | vs | 72°C |
| Package | | vs | FC-LGA1151 |
| Die Size | unknown | vs | 151mm² |
| Process | 7 nm | vs | 14 nm |
Performance
| AMD Ryzen 9 3900X | | Intel Core i7-8700K | |
|---|
| Cpu Frequency | 3800 MHz | vs | 3700 MHz |
| Turbo Clock | 4600 MHz | vs | 4700 MHz |
| Base Clock | 100 MHz | vs | 100 MHz |
| Voltage | variable | vs | unknown |
| TDP | 125 W | vs | 95 W |
AMD Ryzen 9 3900X
5152 points
Intel Core i7-8700K
5640 points
Points - higher is better
AMD Ryzen 9 3900X
62307 points
Intel Core i7-8700K
31968 points
Points - higher is better
AMD Ryzen 9 3900X
3159
Intel Core i7-8700K
1412
points - higher is better
AMD Ryzen 9 3900X
206
Intel Core i7-8700K
202
points - higher is better