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Intel Core i9 12900KS is a desktop processor produced by Intel. It has 16 cores and 24 threads. CPU base clock frequency is 3400 MHz but it’s due to Turbo Boost technology. It can perform up to 5500 MHz. Intel Core i9 12900KS CPU has integrated graphics Intel UHD Graphics 770.
Intel Core i9 12900KS is based on a 7 nm fabrication process and a TDP of 150W. It supports DDR5 | DDR4 memory with a dual-channel interface and a memory speed is 4800 MT/s | 3200 MT/s and launched in April 2022. It is part of the Core i9 lineup.
Vendor | Intel |
Released | April 2022 |
Type | Desktop |
Model | Core i9 12900KS |
Instruction set | 64-bit |
Codename | Alder Lake |
Socket | LGA-1700 |
Integrated GPU | UHD Graphics 770 |
Supported displays | 4 |
Supports 64-bit | Yes |
Cores | 16 |
Threads | 24 |
Base Frequency | 3.4 GHz |
Turbo Boost Frequency | 5.5 GHz |
Bus Frequency | 100 MHz |
Clock Multiplier | 34x |
L1 Cache | 64K (per core) |
L2 Cache | 14MB (shared) |
L3 Cache | 30MB (shared) |
L2 core | - |
L3 core | - |
Unlocked Multiplier | Yes |
Integrated Graphics | UHD Graphics 770 |
GPU Base Clock | 300 MHz |
GPU Boost Clock | 1550 MHz |
Shading Units | 256 |
TMUs | 16 |
ROPs | 8 |
Execution Units | 32 |
TGP | 15W |
Max. Resolution |
4096 x 2160 @ 60Hz 7680 x 4320 @ 60Hz 5120 x 3200 @ 120Hz |
iGPU FLOPS | 0.78 TFLOPS |
Transistors | - |
Fabrication process | 7nm |
TDP | 150W |
Max. temperature | 50°C |
Memory Types |
DDR5 DDR4 |
Memory Size | 128GB |
RAM speed |
4800 MT/s 3200 MT/s |
Max. Memory Channels | 2 |
Max. Memory Bandwidth | 76.8 GB/s |
ECC Support | Yes |
DDR memory version | 5 |
Bus Transfer Rate | - |
Bus Speed | - |
Official Site | Intel Core i9 12900KS Official website |
PCI Express Version | 5.0 & 4.0 |
PCI Express Lanes | 20 |
Cinebench R23 Single-Core | 2148 |
Cinebench R23 Multi-Core | 29000 |
Passmark CPU Single-Core | - |
Passmark CPU Multi-Core | - |
Geekbench Single-Core | 2106 |
Geekbench Multi-Core | 19419 |
SSE version | 4.2 |
Front-end width | - |
MULTITHREADING | |
AES | |
AVX | |
F16C | |
MMX | |
TRUST ZONE | |
NX BIT | |
FMA4 | |
FMA3 |