Processor comparison
Intel Core i9-11900K vs Intel Core i9-9900KS
Intel
Intel Core i9-11900K
Intel Socket 1200
3500 MHz
8 cores
Mar 2021
DESKTOP
VS
Intel
Intel Core i9-9900KS
Intel Socket 1151
4000 MHz
8 cores
Oct 2019
DESKTOP
Summary
Reasons to consider the Intel Core i9-11900K
- This is a newer product, it might have better application compatibility/performance (check features chart below).
- Higher theoretical single-threaded performance, based on raw specifications plus core architecture.
Reasons to consider the Intel Core i9-9900KS
- Higher theoretical multi-threaded performance, based on raw specifications plus core architecture.
Gaming
No clear winner declared
Productivity
No clear winner declared
Specifications
Features
| Intel Core i9-11900K | Intel Core i9-9900KS |
|---|
| MMX | | |
| SSE | | |
| SSE2 | | |
| SSE3 | | |
| SSSE3 | | |
| SSE4.2 | | |
| AVX | | |
| AVX2 | | |
| AVX512 | | |
| FMA3 | | |
| SHA | | |
| EIST | | |
| Intel 64 | | |
| XD bit | | |
| VT-x | | |
| VT-d | | |
| AES-NI | | |
| TSX | | |
| TXT | | |
| CLMUL | | |
| F16C | | |
| BMI1 | | |
| BMI2 | | |
| ABM | | |
| ADX | | |
| RdRand | | |
| TBT 2.0 | | |
| TBT 3.0 | | |
| HTT | | |
| Boost 2.0 | | |
Architecture
| Intel Core i9-11900K | Intel Core i9-9900KS |
|---|
| Architecture | Intel Rocket Lake | Intel_Coffelake |
| Market | Desktop | Desktop |
| Memory Support | DDR4-3200 MHz
Dual-channel | DDR4-2666 MHz
Dual-channel |
| Codename | Rocket Lake | Coffee Lake-R |
| Release Date | Mar 2021 | Oct 2019 |
Cores
| Intel Core i9-11900K | Intel Core i9-9900KS |
|---|
| Cores | 8 | 8 |
| Threads | 16 | 16 |
| SMPs | 1 | 1 |
| Integrated Graphics | UHD Graphics 750 | UHD 630 |
Cache
| Intel Core i9-11900K | Intel Core i9-9900KS |
|---|
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 256K (per core) | 256K (per core) |
| L3 Cache | 16MB (shared) | 16MB (shared) |
Physical
| Intel Core i9-11900K | Intel Core i9-9900KS |
|---|
| Socket | Intel Socket 1200 | Intel Socket 1151 |
| Max Case Temp | 72°C | 72°C |
| Package | FC-LGA1200 | FC-LGA14C |
| Die Size | unknown | 180mm² |
| Process | 14 nm | 14 nm |
Performance
| Intel Core i9-11900K | Intel Core i9-9900KS |
|---|
| Cpu Frequency | 3500 MHz | 4000 MHz |
| Turbo Clock | 5300 MHz | 5000 MHz |
| Base Clock | 100 MHz | 100 MHz |
| Voltage | N/A | N/A |
| TDP | 125 W | 127 W |
Raw performance index
Raw single-thread performance estimation
- Intel Core i9-11900K6360 points
- Intel Core i9-9900KS6000 points
Points - higher is better
Raw multi-thread performance estimation
- Intel Core i9-11900K40320 points
- Intel Core i9-9900KS46080 points
Points - higher is better