intel core i9 12900kf vs intel core i9 11900k
We compared two CPUs Intel Core i9 12900KF (Desktop) 16-cores against Intel Core i9 11900K (Desktop) 8-cores. In this comparison page, we check which of these two processor has better performance in benchmark results, Games, architecture, price and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Performance
Measure performance when all cores are involved
Key Differences
Advantages of Intel Core i9 12900KF
- Newer released 0 years later
- Has 8 more physical cores
- Around 26.8 GB/s (35%) higher theoretical memory bandwidth
- Has 14 MB larger L3 cache size
- More modern manufacturing process – 7 versus 14
Advantages of Intel Core i9 11900K
Benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Specifications
General
Intel Core i9 12900KF | Intel Core i9 11900K | |
Vendor | Intel | Intel |
Released | October 27 2021 | April 30 2021 |
Type | Desktop | Desktop |
instruction set | x86-64 | x86-64 |
Codename | Alder Lake, Golden Cove, Gracemont | Rocket Lake |
Socket | FCLGA1700 | FCLGA1200 |
Integrated GPU | Intel UHD Graphics 750 |
Performance
Intel Core i9 12900KF | Intel Core i9 11900K | |
Cores | 16 | 8 |
Threads | 24 | 16 |
Base Frequency | 3.2 GHz | 3.5 GHz |
Turbo Boost Frequency | 5.2 GHz | 5.2 GHz |
L1 Cache | 80K (per core) | 64K (per core) |
L2 Cache | 1.25 MB (per core) | 256K (per core) |
L3 Cache | 30 MB (shared) | 16 MB (shared) |
Unlocked Multiplier | Yes | Yes |
Power
Intel Core i9 12900KF | Intel Core i9 11900K | |
Fabrication process | Intel 7 nm | 14 nm |
Power consumption (TDP) | 125 W | 125 W |
Max. temperature | 100°C | 100°C |
Memory support
Intel Core i9 12900KF | Intel Core i9 11900K | |
Memory types | DDR5-4800, DDR4-3200 | DDR4 |
Memory Size | 128 GB | 128 GB |
Max. Memory Channels | 2 | 2 |
Max. Memory Bandwidth | 76.8 GB/s | 50 GB/s |
ECC Support | No | No |
iGPU
Intel Core i9 12900KF | Intel Core i9 11900K | |
Integrated Graphics | Intel UHD Graphics 750 | |
GPU Base Clock | MHz | 300 MHz |
GPU Boost Clock | MHz | 1.3 MHz |
Shading Units | 256 | |
TMUs | 64 | |
ROPs | 32 | |
Execution Units | 32 | |
TGP | W | 15 W |
iGPU FLOPS
Misc
Intel Core i9 12900KF | Intel Core i9 11900K | |
Official site | Intel Core i9 12900KF official page | Intel Core i9 11900K official page |
PCI Express Version | 4 | |
PCI Express Lanes | 20 | 20 |