Processor comparison
Intel Core i9-12900KF vs AMD Ryzen Threadripper PRO 3945WX
Intel
Intel Core i9-12900KF
Intel Socket 1700
3200 MHz
16 cores
Nov 2021
DESKTOP
VS
AMD
AMD Ryzen Threadripper PRO 3945WX
AMD Socket TR4
4000 MHz
12 cores
Jul 2020
DESKTOP
Summary
Synthetic performance index
- Intel Core i9-12900KF147%
- AMD Ryzen Threadripper PRO 3945WX100%
Relative performance
Single thread performance index
- Intel Core i9-12900KF147%
- AMD Ryzen Threadripper PRO 3945WX100%
Relative performance
Reasons to consider the Intel Core i9-12900KF
- Much higher single threaded performance (around 47% higher), makes a noticeable performance difference in gaming and the majority of applications.
- 155 watts lower power draw.
- This is a newer product, it might have better application compatibility/performance (check features chart below).
- Around 47% higher average synthetic performance.
Reasons to consider the AMD Ryzen Threadripper PRO 3945WX
Gaming
HWSpot recommends the Intel Core i9-12900KF
Based on game and synthetic benchmarks, and theoretical specifications.
Productivity
No clear winner declared
Specifications
Features
| Intel Core i9-12900KF | AMD Ryzen Threadripper PRO 3945WX |
|---|
| MMX | | |
| SSE | | |
| SSE2 | | |
| SSE3 | | |
| SSSE3 | | |
| SSE4.2 | | |
| AVX | | |
| AVX2 | | |
| AVX-512 | | |
| 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 | | |
| SSE4A | | |
| SSE4.1 | | |
| AES | | |
| AMD64 | | |
| EVP | | |
| AMD-V | | |
| SMAP | | |
| SMEP | | |
| SMT | | |
| Precision Boost 2 | | |
| XFR 2 | | |
Architecture
| Intel Core i9-12900KF | AMD Ryzen Threadripper PRO 3945WX |
|---|
| Architecture | Intel Adler Lake | AMD Zen 2 |
| Market | Desktop | Desktop |
| Memory Support | DDR4-3200 MHz
Dual-channel | DDR4-3200 MHz
Eight-channel |
| Codename | Alder Lake | Matisse |
| Release Date | Nov 2021 | Jul 2020 |
Cores
| Intel Core i9-12900KF | AMD Ryzen Threadripper PRO 3945WX |
|---|
| Cores | 16 | 12 |
| Threads | 24 | 24 |
| E-Cores | 8 | none |
| SMPs | 1 | 1 |
| Integrated Graphics | No | No |
Cache
| Intel Core i9-12900KF | AMD Ryzen Threadripper PRO 3945WX |
|---|
| L1 Cache | 64K (per core) | 96K (per core) |
| L2 Cache | 14MB (shared) | 512K (per core) |
| L3 Cache | 30MB (shared) | 64MB |
Physical
| Intel Core i9-12900KF | AMD Ryzen Threadripper PRO 3945WX |
|---|
| Socket | Intel Socket 1700 | AMD Socket TR4 |
| Max Case Temp | 72°C | 95°C |
| Package | FC-LGA1700 | sTRX4 |
| Die Size | unknown | 74mm² |
| Process | 10 nm | 7 nm |
Performance
| Intel Core i9-12900KF | AMD Ryzen Threadripper PRO 3945WX |
|---|
| Cpu Frequency | 3200 MHz | 4000 MHz |
| Turbo Clock | 5200 MHz | 4300 MHz |
| Base Clock | 100 MHz | 100 MHz |
| E-Core Frequency | 1800 MHz | - |
| E-Core Turbo Clock | 3900 MHz | - |
| Voltage | N/A | N/A |
| TDP | 125 W | 280 W |
Raw performance index
Raw single-thread performance estimation
- Intel Core i9-12900KF6240 points
- AMD Ryzen Threadripper PRO 3945WX4816 points
Points - higher is better
Raw multi-thread performance estimation
- Intel Core i9-12900KF67584 points
- AMD Ryzen Threadripper PRO 3945WX65587 points
Points - higher is better
Synthetic benchmarks
Cinebench R15 CPU Single 64Bit
- Intel Core i9-12900KF284
- AMD Ryzen Threadripper PRO 3945WX (simulated)192.57
points - higher is better