Intel Core i9 12900HK vs AMD Ryzen 9 7940HS
55
out of 100
VS
60
out of 100
We compared two laptop CPUs: the 2.5 GHz Intel Core i9 12900HK with 14-cores against the 4.0 GHz AMD Ryzen 9 7940HS with 8-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Key Differences
Advantages of Intel Core i9 12900HK
- Unlocked multiplier
- Has 6 more physical cores
- Has 8 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
Advantages of AMD Ryzen 9 7940HS
- Supports up to 256 GB DDR5-5600 RAM
- More modern manufacturing process β 4 versus 10 nanometers
- More powerful Radeon 780M integrated graphics: 4.3 vs 2.2 TFLOPS
- Newer - released 1 year later
- 4% higher Turbo Boost frequency (5.2 GHz vs 5 GHz)
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (152nd and 173rd place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1040 MB/sec | 962.5 MB/sec |
| Clang compilation | 85.9 Klines/sec | 101.4 Klines/sec |
| HTML 5 Browser | 312.4 pages/sec | 211.8 pages/sec |
| PDF Renderer | 363.1 Mpixels/sec | 326.9 Mpixels/sec |
| Text processing | 225.4 pages/sec | 260.3 pages/sec |
| Background blur | 49.7 images/sec | 53.8 images/sec |
| Photo processing | 111.5 images/sec | 87.4 images/sec |
| Ray tracing | 19.4 Mpixels/sec | 22.5 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 87.3 GOps/sec | 102.1 GOps/sec |
| Floating point math | 62.2 GOps/sec | 62.3 GOps/sec |
| Find prime numbers | 99M Primes/sec | 90M Primes/sec |
| Random string sorting | 32.2M Strings/sec | 42.5M Strings/sec |
| Data encryption | 17 GBytes/sec | 21.5 GBytes/sec |
| Data compression | 287.8 MBytes/sec | 360.4 MBytes/sec |
| Physics | 1609 Frames/sec | 1427 Frames/sec |
| Extended instructions | 17.2B Matrices/sec | 27.2B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 22.4 PPW | 17.3 PPW |
| Geekbench 6 Multi / Watt | 270.6 PPW | 215.4 PPW |
| Passmark CPU Mark / Watt | 556.4 PPW | 551.5 PPW |
| Blender / Watt | 3.98 PPW | 4.18 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core i9 12900HK
No benchmark results yet
AMD Ryzen 9 7940HS
| Date | Benchmark | Result |
|---|---|---|
| π 2025-11-09 (chrisg) | Cinebench 2024 | 105 / 873 |
| π 2025-08-19 (Phillywilly2000) | Cinebench 2024 | 102 / 906 |
| π 2025-07-14 (GlancingOcean) | Cinebench 2024 | 70 / 677 |
| π 2025-05-13 (antoooooo) | Cinebench 2024 | 109 / 1009 |
| π 2025-03-08 (沧桷) | GeekBench | 2614 / 12911 |
Specifications
Full technical specification of Intel Core i9 12900HK and AMD Ryzen 9 7940HSGeneral
| Vendor | Intel | Amd |
| Released | January 4, 2022 | January 4, 2023 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Alder Lake | Zen 4 (Phoenix) |
| Model number | i9-12900HK | - |
| Integrated GPU | Iris Xe Graphics (96EU) | Radeon 780M |
| Rival Equivalent | - AMD Ryzen 9 6900HX | - Intel Core i9 13900H |
| Successor | - Intel Core i9 13900HK | - AMD Ryzen AI 9 HX 470 |
Intel CPU rating (#116th place)
AMD Ryzen CPU ranking (#66th place)
CPU
| P-Cores | 6 | 8 |
| P-Threads | 12 | 16 |
| Base Frequency (P) | 2.5 GHz | 4.0 GHz |
| Turbo Boost Frequency (P) | 5 GHz | 5.2 GHz |
| E-Cores | 8 | - |
| E-Threads | 8 | - |
| Base Frequency (E) | 1.8 GHz | - |
| Turbo Boost Frequency (E) | 3.8 GHz | - |
| Total Cores | 14 | 8 |
| Total Threads | 20 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 25x | 40x |
| L1 Cache | 80K (per core) | 64K (per core) |
| L2 Cache | 1280K (per core) | 1MB (per core) |
| L3 Cache | 24MB (shared) | 16MB (shared) |
| Unlocked Multiplier | Yes | No |
Package
| Transistors | - | 25 billions |
| Fabrication Process | 10 nm | 4 nm |
| TDP (PL1) | 35-45 W (configurable) | 35-54 W (configurable) |
| Max. Boost TDP (PL2) | 115 W | - |
| Socket | BGA-1744 | FP8 |
| Peak Temperature | 100Β°C | 100Β°C |
Laptop processors ranking (153rd and 106th place)
iGPU
| Integrated Graphics | Intel Iris Xe Graphics (96EU) | Radeon 780M |
| GPU Base Clock | 300 MHz | 800 MHz |
| GPU Boost Clock | 1450 MHz | 2800 MHz |
| Shading Units | 768 | 768 |
| TMUs | 48 | 48 |
| ROPs | 24 | 32 |
| Execution Units | 96 | 12 |
| TGP | 15 W | 15 W |
iGPU FLOPS
Memory Support
| Memory Types | - DDR5-4800 - DDR4-3200 - LPDDR5-5200 - LPDDR4x-4267 |
- DDR5-5600 - LPDDR5x-7500 |
| Max. Memory Size | 64 GB | 256 GB |
| Memory Channels | 2 | 2 |
| ECC Support | No | No |
Misc
| Official Site | Intel Core i9 12900HK official page | AMD Ryzen 9 7940HS official page |
| PCI Express Version | 4.0 | 4.0 |
| PCI Express Lanes | 28 | 20 |
Further details
Notes on Ryzen 9 7940HS:
- DDR5 memory is supported only on the FP7r2 socket, while FP7 and FP8 sockets support LPDDR5/x.
- ECC support is available exclusively on the FP7r2 socket.
Cast your vote
Total votes: 21