Intel Core i7 12700K vs AMD Ryzen 7 3800X
We compared two desktop CPUs: the 3.6 GHz Intel Core i7 12700K with 12-cores against the 3.9 GHz AMD Ryzen 7 3800X 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
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 i7 12700K
- Newer - released 2-years and 4-months later
- Around 29.12 GB/s (61%) higher theoretical memory bandwidth
- 56% faster in a single-core Geekbench v5 test - 2096 vs 1342 points
- Has 4 more physical cores
- Newer PCI Express version – 5.0
- Includes an integrated GPU Intel UHD Graphics 770
- 11% higher Turbo Boost frequency (5 GHz vs 4.5 GHz)
Advantages of AMD Ryzen 7 3800X
- More modern manufacturing process – 7 versus 10 nanometers
- Has 7 MB larger L3 cache size
- Consumes up to 16% less energy than the Core i7 12700K – 105 vs 125 Watt
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)
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Specifications
General
| Vendor | Intel | AMD |
| Released | October 27, 2021 | July 7, 2019 |
| Type | Desktop | Desktop |
| instruction set | x86-64 | x86-64 |
| Codename | Alder Lake-S | Zen 2 |
| Model number | i7-12700K | - |
| Socket | LGA-1700 | AM4 |
| Integrated GPU | UHD Graphics 770 | No |
Performance
| Cores | 12 | 8 |
| Threads | 20 | 16 |
| Base Frequency | 3.6 GHz | 3.9 GHz |
| Turbo Boost Frequency | 5 GHz | 4.5 GHz |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 36x | 39x |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 12MB (shared) | 512K (per core) |
| L3 Cache | 25MB (shared) | 32MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Power
| Transistors | - | 3.8 billions |
| Fabrication process | 10 nm | 7 nm |
| TDP | 125 W | 105 W |
| Max. temperature | 100°C | 95°C |
iGPU
| Integrated Graphics | Intel UHD Graphics 770 | - |
| GPU Base Clock | 300 MHz | - |
| GPU Boost Clock | 1500 MHz | - |
| Shading Units | 256 | - |
| TMUs | 16 | - |
| ROPs | 8 | - |
| Execution Units | 32 | - |
| TGP | 15 W | - |
iGPU FLOPS
Memory support
| Memory types | DDR5-4800, DDR4-3200 | DDR4-3200 |
| Memory Size | 128 GB | 128 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 76.8 GB/s | 47.68 GB/s |
| ECC Support | Yes | Yes |
Misc
| Official site | Intel Core i7 12700K official page | AMD Ryzen 7 3800X official page |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 20 | 16 |
Cast your vote
Total votes: 1