We compared two laptops/desktop CPUs: Intel Core i9 12900KS Vs AMD Ryzen 9 6900HX.
In this table-based comparison, you’ll find out which CPUs are better performance in Benchmarks, Antutu, Games, and other useful information.
Vendor | Intel AMD |
Released | April 2022 January 2022 |
Type | Desktop Laptop |
Model | Core i9 12900KS Ryzen 9 6900HX |
Instruction set | 64-bit x86-64 |
Codename | Alder Lake Rembrandt |
Socket | LGA-1700 FP7 |
Integrated GPU | UHD Graphics 770 Radeon 680M |
Supported displays | 4 4 |
Supports 64-bit | Yes Yes |
Cores | 16 8 |
Threads | 24 16 |
Base Frequency | 3.4 GHz 3.3 GHz |
Turbo Boost Frequency | 5.5 GHz 4.9 GHz |
Bus Frequency | 100 MHz 100 MHz |
Clock Multiplier | 34x 33x |
L1 Cache | 64K (per core) 512KB |
L2 Cache | 14MB (shared) 4MB |
L3 Cache | 30MB (shared) 16MB |
L2 core | - 0.5MB/core |
L3 core | - 2MB/core |
Unlocked Multiplier | Yes Yes |
Integrated Graphics | UHD Graphics 770 Radeon 680M |
GPU Base Clock | 300 MHz 2000 MHz |
GPU Boost Clock | 1550 MHz 2400 MHz |
Shading Units | 256 768 |
TMUs | 16 48 |
ROPs | 8 32 |
Execution Units | 32 12 |
TGP | 15W 15W |
Max. Resolution |
4096 x 2160 @ 60Hz 7680 x 4320 @ 60Hz 5120 x 3200 @ 120Hz 3840 x 2160 @ 60Hz 3440 x 1440 @ 144Hz 2560 x 1440 @ 180Hz 1920 x 1080 @ 240Hz |
iGPU FLOPS | 0.78 TFLOPS 3.686 TFLOPS |
Transistors | - - |
Fabrication process | 7nm 6nm |
TDP | 150W 45W |
Max. temperature | 50°C 95°C |
Memory Types |
DDR5 DDR4 DDR5 LPDDR5 |
Memory Size | 128GB 64GB |
RAM speed |
4800 MT/s 3200 MT/s 4800 MHz 6400 MHz |
Max. Memory Channels | 2 4 |
Max. Memory Bandwidth | 76.8 GB/s - |
ECC Support | Yes Yes |
DDR memory version | 5 5 |
Bus Transfer Rate | - - |
Bus Speed | - - |
Official Site | Intel Core i9 12900KS Official website AMD Ryzen 9 6900HX Official website |
PCI Express Version | 5.0 & 4.0 4.0 |
PCI Express Lanes | 20 20 |
Cinebench R23 Single-Core | 2148 1661 |
Cinebench R23 Multi-Core | 29000 14591 |
Passmark CPU Single-Core | - - |
Passmark CPU Multi-Core | - - |
Geekbench Single-Core | 2106 1543 |
Geekbench Multi-Core | 19419 9556 |
SSE version | 4.2 4.2 |
Front-end width | - - |
MULTITHREADING | |
AES | |
AVX | |
F16C | |
MMX | |
TRUST ZONE | |
NX BIT | |
FMA4 | |
FMA3 |