Processor comparison
Intel Core i9-9900KS vs AMD Ryzen 9 3900XT
Intel
Intel Core i9-9900KS
Intel Socket 1151
4000 MHz
8 cores
Oct 2019
DESKTOP
VS
AMD
AMD Ryzen 9 3900XT
AMD Socket AM4
3900 MHz
12 cores
unknown
DESKTOP
Summary
Synthetic performance index
- Intel Core i9-9900KS100%
- AMD Ryzen 9 3900XT118%
Relative performance
Single thread performance index
- Intel Core i9-9900KS100%
- AMD Ryzen 9 3900XT100%
Relative performance
Multi thread performance index
- Intel Core i9-9900KS100%
- AMD Ryzen 9 3900XT137%
Relative performance
Reasons to consider the Intel Core i9-9900KS
- Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the AMD Ryzen 9 3900XT.
Reasons to consider the AMD Ryzen 9 3900XT
- Much higher multi threaded performance (around 37% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
Gaming
No clear winner declared
Productivity
HWSpot recommends the AMD Ryzen 9 3900XT
Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.
Specifications
Features
| Intel Core i9-9900KS | AMD Ryzen 9 3900XT |
|---|
| MMX | | |
| SSE | | |
| SSE2 | | |
| SSE3 | | |
| SSSE3 | | |
| SSE4.2 | | |
| AVX | | |
| AVX2 | | |
| EIST | | |
| Intel 64 | | |
| XD bit | | |
| VT-x | | |
| VT-d | | |
| HTT | | |
| AES-NI | | |
| TSX | | |
| TXT | | |
| CLMUL | | |
| FMA3 | | |
| F16C | | |
| BMI1 | | |
| BMI2 | | |
| Boost 2.0 | | |
| SSE4A | | |
| SSE4.1 | | |
| AES | | |
| SHA | | |
| AMD64 | | |
| EVP | | |
| AMD-V | | |
| SMAP | | |
| SMEP | | |
| SMT | | |
| Precision Boost 2 | | |
| XFR 2 | | |
Architecture
| Intel Core i9-9900KS | AMD Ryzen 9 3900XT |
|---|
| Architecture | Intel_Coffelake | AMD Zen 2 |
| Market | Desktop | Desktop |
| Memory Support | DDR4-2666 MHz
Dual-channel | DDR4-3200 MHz
Dual-channel |
| Codename | Coffee Lake-R | Matisse |
| Release Date | Oct 2019 | unknown |
Cores
| Intel Core i9-9900KS | AMD Ryzen 9 3900XT |
|---|
| Cores | 8 | 12 |
| Threads | 16 | 24 |
| SMPs | 1 | 1 |
| Integrated Graphics | UHD 630 | No |
Cache
| Intel Core i9-9900KS | AMD Ryzen 9 3900XT |
|---|
| L1 Cache | 64K (per core) | 96K (per core) |
| L2 Cache | 256K (per core) | 512K (per core) |
| L3 Cache | 16MB (shared) | 64MB |
Physical
| Intel Core i9-9900KS | AMD Ryzen 9 3900XT |
|---|
| Socket | Intel Socket 1151 | AMD Socket AM4 |
| Max Case Temp | 72°C | 95°C |
| Package | FC-LGA14C | µOPGA-1331 |
| Die Size | 180mm² | 74mm² |
| Process | 14 nm | 7 nm |
Performance
| Intel Core i9-9900KS | AMD Ryzen 9 3900XT |
|---|
| Cpu Frequency | 4000 MHz | 3900 MHz |
| Turbo Clock | 5000 MHz | 4700 MHz |
| Base Clock | 100 MHz | 100 MHz |
| Voltage | N/A | N/A |
| TDP | 127 W | 105 W |
Raw performance index
Raw single-thread performance estimation
- Intel Core i9-9900KS6000 points
- AMD Ryzen 9 3900XT5264 points
Points - higher is better
Raw multi-thread performance estimation
- Intel Core i9-9900KS46080 points
- AMD Ryzen 9 3900XT63947 points
Points - higher is better
Synthetic benchmarks
Cinebench R15 CPU Single 64Bit
- Intel Core i9-9900KS216
- AMD Ryzen 9 3900XT214
points - higher is better
Cinebench R15 CPU Multi 64Bit
- Intel Core i9-9900KS (simulated)2307.78
- AMD Ryzen 9 3900XT3168
points - higher is better