Intel Core i9 12900HX vs AMD Ryzen 9 6900HX
We compared two laptop CPUs: the 2.3 GHz Intel Core i9 12900HX with 16-cores against the 3.3 GHz AMD Ryzen 9 6900HX 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 12900HX
- Has 8 more physical cores
- Supports up to 128 GB DDR5-4800 RAM
- Has 14 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
- Newer PCI Express version – 5.0
- 26% faster in a single-core Geekbench v6 test - 2517 vs 2004 points
- 2% higher Turbo Boost frequency (5 GHz vs 4.9 GHz)
Advantages of AMD Ryzen 9 6900HX
- More powerful AMD Radeon 680M integrated graphics: 3.7 vs 0.8 TFLOPS
- More modern manufacturing process – 6 versus 10 nanometers
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#102nd place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1110 MB/sec | 984.2 MB/sec |
| Clang compilation | 121.1 Klines/sec | 80.9 Klines/sec |
| HTML 5 Browser | 336.5 pages/sec | 221.3 pages/sec |
| PDF Renderer | 382.4 Mpixels/sec | 331.2 Mpixels/sec |
| Text processing | 254 pages/sec | 209.8 pages/sec |
| Background blur | 58.1 images/sec | 34.6 images/sec |
| Photo processing | 116.9 images/sec | 82.9 images/sec |
| Ray tracing | 29.6 Mpixels/sec | 20 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 112.6 GOps/sec | 88.1 GOps/sec |
| Floating point math | 83.7 GOps/sec | 49.4 GOps/sec |
| Find prime numbers | 132M Primes/sec | 62M Primes/sec |
| Random string sorting | 43.6M Strings/sec | 31.7M Strings/sec |
| Data encryption | 22.7 GBytes/sec | 18.9 GBytes/sec |
| Data compression | 396.2 MBytes/sec | 303 MBytes/sec |
| Physics | 2020 Frames/sec | 1129 Frames/sec |
| Extended instructions | 24.1B Matrices/sec | 20.7B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 23.1 PPW | 17 PPW |
| Geekbench 6 Multi / Watt | 262.9 PPW | 228.2 PPW |
| Passmark CPU Mark / Watt | 598.8 PPW | 534 PPW |
| Blender / Watt | 5.56 PPW | 4.16 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Specifications
Full technical specification of Intel Core i9 12900HX and AMD Ryzen 9 6900HXGeneral
| Vendor | Intel | Amd |
| Released | May 10, 2022 | January 4, 2022 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Alder Lake | Zen 3+ (Rembrandt) |
| Model number | i9-12900HX | - |
| Integrated GPU | UHD Graphics (32EU) | Radeon 680M |
| Rival Equivalent | - AMD Ryzen 9 6900HX | - Intel Core i9 12900HX |
| Successor | - Intel Core Ultra 9 285HX | - AMD Ryzen 9 9850HX |
Intel CPU rating (#86th place)
AMD Ryzen CPU ranking (#105th place)
CPU
| P-Cores | 8 | 8 |
| P-Threads | 16 | 16 |
| Base Frequency (P) | 2.3 GHz | 3.3 GHz |
| Turbo Boost Frequency (P) | 5 GHz | 4.9 GHz |
| E-Cores | 8 | - |
| E-Threads | 8 | - |
| Base Frequency (E) | 1.7 GHz | - |
| Turbo Boost Frequency (E) | 3.6 GHz | - |
| Total Cores | 16 | 8 |
| Total Threads | 24 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 23x | 33x |
| L1 Cache | 80K (per core) | 64K (per core) |
| L2 Cache | 1280K (per core) | 512K (per core) |
| L3 Cache | 30MB (shared) | 16MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Fabrication Process | 10 nm | 6 nm |
| TDP (PL1) | 45-55 W (configurable) | 45 W |
| Max. Boost TDP (PL2) | 157 W | - |
| Socket | BGA-1964 | FP7 |
| Peak Temperature | 100°C | 95°C |
Laptop processors ranking (108th and 185th place)
iGPU
| Integrated Graphics | Intel UHD Graphics (32EU) | AMD Radeon 680M |
| GPU Base Clock | 300 MHz | 400 MHz |
| GPU Boost Clock | 1550 MHz | 2400 MHz |
| Shading Units | 256 | 768 |
| TMUs | 16 | 48 |
| ROPs | 8 | 32 |
| Execution Units | 32 | 12 |
| TGP | 15 W | 15 W |
iGPU FLOPS
More info: Radeon 680M compared to UHD Graphics 770
Memory Support
| Memory Types | - DDR5-4800 - DDR4-3200 |
- DDR5-4800 - LPDDR5-6400 |
| Max. Memory Size | 128 GB | 64 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 76.8 GB/s | 76.8 GB/s |
| ECC Support | No | No |
Misc
| Official Site | Intel Core i9 12900HX official page | AMD Ryzen 9 6900HX official page |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 20 | 20 |
Cast your vote
Total votes: 82