Intel Core i9 12900KS Vs Core i5 1245U
We compared two laptops/desktop CPUs: Intel Core i9 12900KS Vs Core i5 1245U.
In this table-based comparison, you’ll find out which CPUs are better performance in Benchmarks, Antutu, Games, and other useful information.
General Information
| Vendor | Intel Intel |
| Released | April 2022 February 2022 |
| Type | Desktop Laptop |
| Model | Core i9 12900KS Core i5 1245U |
| Instruction set | 64-bit 64-bit |
| Codename | Alder Lake Alder Lake-U |
| Socket | LGA-1700 FCBGA1744 |
| Integrated GPU | UHD Graphics 770 Iris Xe Graphics G7 80EU |
| Supported displays | 4 4 |
| Supports 64-bit | Yes Yes |
CPU Performance
| Cores | 16 10 |
| Threads | 24 12 |
| Base Frequency | 3.4 GHz 1.6 GHz |
| Turbo Boost Frequency | 5.5 GHz 4.4 GHz |
| Bus Frequency | 100 MHz 100 MHz |
| Clock Multiplier | 34x 16x |
| L1 Cache | 64K (per core) 80K (per core) |
| L2 Cache | 14MB (shared) 1280K (per core) |
| L3 Cache | 30MB (shared) 12MB (shared) |
| L2 core | - - |
| L3 core | - - |
| Unlocked Multiplier | Yes No |
iGPU
| Integrated Graphics | UHD Graphics 770 Intel Iris Xe Graphics G7 80EU |
| GPU Base Clock | 300 MHz 300 MHz |
| GPU Boost Clock | 1550 MHz 1200 MHz |
| Shading Units | 256 640 |
| TMUs | 16 40 |
| ROPs | 8 20 |
| Execution Units | 32 80 |
| TGP | 15W 15W |
| Max. Resolution |
4096 x 2160 @ 60Hz 7680 x 4320 @ 60Hz 5120 x 3200 @ 120Hz 4096 x 2304 @ 60Hz 7680 x 4320 @ 60Hz 4096 x 2304 @ 120Hz |
| iGPU FLOPS | 0.78 TFLOPS 1.41 TFLOPS |
Power
| Transistors | - - |
| Fabrication process | 7nm 7nm |
| TDP | 150W 12W-15W |
| Max. temperature | 50°C 100°C |
Memory Support
| Memory Types |
DDR5 DDR4 DDR5 DDR4 LPDDR5 LPDDR4x |
| Memory Size | 128GB 64GB |
| RAM speed |
4800 MT/s 3200 MT/s 4800 MT/s 3200 MT/s 5200 MT/s 4267 MT/s |
| Max. Memory Channels | 2 2 |
| Max. Memory Bandwidth | 76.8 GB/s - |
| ECC Support | Yes No |
| DDR memory version | 5 5 |
| Bus Transfer Rate | - - |
| Bus Speed | - - |
Miscellaneous
| Official Site | Intel Core i9 12900KS Official website Intel Core i5 1245U official website |
| PCI Express Version | 5.0 & 4.0 4.0 |
| PCI Express Lanes | 20 20 |
Benchmarks
| Cinebench R23 Single-Core | 2148 - |
| Cinebench R23 Multi-Core | 29000 - |
| Passmark CPU Single-Core | - 3411 |
| Passmark CPU Multi-Core | - 11981 |
| Geekbench Single-Core | 2106 1574 |
| Geekbench Multi-Core | 19419 5423 |
Key Features
| SSE version | 4.2 4.2 |
| Front-end width | - - |
| MULTITHREADING | |
| AES | |
| AVX | |
| F16C | |
| MMX | |
| TRUST ZONE | |
| NX BIT | |
| FMA4 | |
| FMA3 |
|