Intel Core i7 8700K vs AMD Ryzen 7 5800X3D
We compared two desktop CPUs: the 3.7 GHz Intel Core i7 8700K with 6-cores against the 3.4 GHz AMD Ryzen 7 5800X3D 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 8700K
- Unlocked multiplier
- Includes an integrated GPU Intel UHD Graphics 630
- Consumes up to 10% less energy than the Ryzen 7 5800X3D – 95 vs 105 Watt
- More than 10° C higher critical temperature
- 4% higher Turbo Boost frequency (4.7 GHz vs 4.5 GHz)
Advantages of AMD Ryzen 7 5800X3D
- Newer - released 4-years and 6-months later
- Has 84 MB larger L3 cache size
- More modern manufacturing process – 7 versus 14 nanometers
- Has 2 more physical cores
- Newer PCI Express version – 4.0
- 31% faster in a single-core Geekbench v5 test - 1622 vs 1242 points
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 5, 2017 | March 15, 2022 |
| Type | Desktop | Desktop |
| instruction set | x86-64 | x86-64 |
| Codename | Coffee Lake | Vermeer |
| Model number | i7-8700K | - |
| Socket | LGA-1151 | AM4 |
| Integrated GPU | UHD Graphics 630 | No |
Performance
| Cores | 6 | 8 |
| Threads | 12 | 16 |
| Base Frequency | 3.7 GHz | 3.4 GHz |
| Turbo Boost Frequency | 4.7 GHz | 4.5 GHz |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 37x | 34x |
| Bus Bandwidth | 8 GT/s | - |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 256K (per core) | 512K (per core) |
| L3 Cache | 12MB (shared) | 96MB (shared) |
| Unlocked Multiplier | Yes | No |
Power
| Fabrication process | 14 nm | 7 nm |
| TDP | 95 W | 105 W |
| Max. temperature | 100°C | 90°C |
iGPU
| Integrated Graphics | Intel UHD Graphics 630 | - |
| GPU Base Clock | 350 MHz | - |
| GPU Boost Clock | 1200 MHz | - |
| Shading Units | 192 | - |
| TMUs | 24 | - |
| ROPs | 3 | - |
| Execution Units | 24 | - |
| TGP | 15 W | - |
| Max. Resolution | 4096x2304 - 60 Hz | - |
iGPU FLOPS
Memory support
| Memory types | DDR4-2666 | DDR4-3200, DDR4-2933, DDR4-2667 |
| Memory Size | 128 GB | 128 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 41.6 GB/s | - |
| ECC Support | No | Yes |
Misc
| Official site | Intel Core i7 8700K official page | AMD Ryzen 7 5800X3D official page |
| PCI Express Version | 3.0 | 4.0 |
| PCI Express Lanes | 16 | 24 |
| Extended instructions | SSE4.1, SSE4.2, AVX-2 | - |
Cast your vote
Total votes: 3