Intel Core i9 13900K vs AMD Ryzen 9 3900X
We compared two desktop CPUs: the 3.0 GHz Intel Core i9 13900K with 24-cores against the 3.8 GHz AMD Ryzen 9 3900X with 12-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
Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating
Key Differences
Advantages of Intel Core i9 13900K
- Newer - released 3-years and 3-months later
- Has 12 more physical cores
- Around 41.92 GB/s (88%) higher theoretical memory bandwidth
- 72% faster in a single-core Geekbench v5 test - 2286 vs 1327 points
- Newer PCI Express version – 5.0
- 17% higher Turbo Boost frequency (5.4 GHz vs 4.6 GHz)
- Includes an integrated GPU Intel UHD Graphics 770
Advantages of AMD Ryzen 9 3900X
- Has 28 MB larger L3 cache size
- More modern manufacturing process – 7 versus 10 nanometers
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)
By purchasing through links on this site, we may receive a commission from Amazon. This does not affect our assessment methodology.
Specifications
General
| Vendor | Intel | AMD |
| Released | September 27, 2022 | July 7, 2019 |
| Type | Desktop | Desktop |
| instruction set | x86-64 | x86-64 |
| Codename | Raptor Lake | - |
| Model number | i9-13900K | - |
| Integrated GPU | UHD Graphics 770 | No |
CPU
| P-Cores | 8 | 12 |
| P-Threads | 16 | 24 |
| Base Frequency (P) | 3.0 GHz | 3.8 GHz |
| Turbo Boost Frequency (P) | 5.4 GHz | 4.6 GHz |
| E-Cores | 16 | - |
| E-Threads | 16 | - |
| Base Frequency (E) | 2.2 GHz | - |
| Turbo Boost Frequency (E) | 4.3 GHz | - |
| Total Cores | 24 | 12 |
| Total Threads | 32 | 24 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 30x | 38x |
| L1 Cache | 80K (per core) | 64K (per core) |
| L2 Cache | 2MB (per core) | 512K (per core) |
| L3 Cache | 36MB (shared) | 64MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Transistors | - | 3.8 billions |
| Fabrication process | 10 nm | 7 nm |
| Socket | LGA-1700 | AM4 |
| TDP | 125 W | 105 W |
| Max. Boost TDP | 253 W | - |
| Peak temperature | 100°C | 95°C |
iGPU
| Integrated Graphics | Intel UHD Graphics 770 | - |
| GPU Base Clock | 300 MHz | - |
| GPU Boost Clock | 1650 MHz | - |
| Shading Units | 256 | - |
| TMUs | 16 | - |
| ROPs | 8 | - |
| Execution Units | 32 | - |
| TGP | 15 W | - |
iGPU FLOPS
Memory Support
| Memory types | DDR5-5600, DDR4-3200 | DDR4-3200 |
| Memory Size | 128 GB | 128 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 89.6 GB/s | 47.68 GB/s |
| ECC Support | Yes | Yes |
Misc
| Official site | Intel Core i9 13900K official page | AMD Ryzen 9 3900X official page |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 20 | 16 |
Cast your vote
Total votes: 7