Intel Core i5 12400 vs AMD Ryzen 9 3900XT
We compared two desktop CPUs: the 2.5 GHz Intel Core i5 12400 with 6-cores against the 3.8 GHz AMD Ryzen 9 3900XT 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 i5 12400
- Newer - released 1-year and 6-months later
- Consumes up to 38% less energy than the Ryzen 9 3900XT – 65 vs 105 Watt
- Around 29.12 GB/s (61%) higher theoretical memory bandwidth
- Newer PCI Express version – 5.0
- 23% faster in a single-core Geekbench v5 test - 1623 vs 1317 points
- Includes an integrated GPU Intel UHD Graphics 730
Advantages of AMD Ryzen 9 3900XT
- Has 46 MB larger L3 cache size
- Has 6 more physical cores
- Unlocked multiplier
- More modern manufacturing process – 7 versus 10 nanometers
- 7% higher Turbo Boost frequency (4.7 GHz vs 4.4 GHz)
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 | January 4, 2022 | July 7, 2020 |
| Type | Desktop | Desktop |
| instruction set | x86-64 | x86-64 |
| Codename | Alder Lake-S | Zen 2 |
| Model number | i5-12400 | - |
| Socket | LGA-1700 | AM4 |
| Integrated GPU | UHD Graphics 730 | No |
Performance
| Cores | 6 | 12 |
| Threads | 12 | 24 |
| Base Frequency | 2.5 GHz | 3.8 GHz |
| Turbo Boost Frequency | 4.4 GHz | 4.7 GHz |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 25x | 38x |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 1280K (per core) | 512K (per core) |
| L3 Cache | 18MB (shared) | 64MB (shared) |
| Unlocked Multiplier | No | Yes |
Power
| Transistors | - | 3.8 billions |
| Fabrication process | 10 nm | 7 nm |
| TDP | 65 W | 105 W |
| Max. temperature | 100°C | 95°C |
iGPU
| Integrated Graphics | Intel UHD Graphics 730 | - |
| GPU Base Clock | 300 MHz | - |
| GPU Boost Clock | 1450 MHz | - |
| Shading Units | 192 | - |
| TMUs | 48 | - |
| ROPs | 24 | - |
| Execution Units | 24 | - |
| TGP | 15 W | - |
| Max. Resolution | 3840x2160 - 60 Hz | - |
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 | No | Yes |
Misc
| Official site | Intel Core i5 12400 official page | AMD Ryzen 9 3900XT official page |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 20 | 24 |
Cast your vote
Total votes: < 1