Intel Core i5 8400 6-core LGA1200
Intel
51 Overall Score
vs
AMD Ryzen 7 9800X3D 8-core AM5
AMD
100 Overall Score
What Buyers Say
Intel Core i5 8400 6-core LGA1200
No customer feedback yet
AMD Ryzen 7 9800X3D 8-core AM5
92 out of 100 high confidence 55 reviews
The AMD Ryzen 7 9800X3D is widely celebrated as the best gaming CPU on the market, delivering massive frame rate boosts, improved 1% lows, and excellent thermal efficiency. Users upgrading from older Intel or AMD chips report transformative gains in CPU-intensive games and smoother multitasking. The main caution is to avoid paying above MSRP due to scalper pricing, and to ensure a compatible AM5 motherboard with a BIOS update. Overall, it is a top-tier choice for gamers seeking peak performance.
Pros
- Best gaming performance on the market
- Massive frame rate boosts in CPU-heavy games
- Excellent thermal efficiency and cool operation
- Improved 1% lows for smoother gameplay
- Great upgrade from older Intel and AMD chips
Cons
- Scalper pricing above MSRP
- No included cooler in the box
- Requires BIOS update on older AM5 motherboards
- Limited availability and stock issues
- OEM version lacks original box and accessories
Gaming performance 18
Thermal efficiency 10
Value for money 8
Scalper pricing 6
Compatibility 7
Cooling requirements 5
Scores
Gaming
Budget
Productivity
Ai Llm
Server
Efficiency
Specifications
| Intel Core i5 8400 | AMD Ryzen 7 9800X3D | |
|---|---|---|
| Processor | ||
| Brand | Intel | AMD |
| Series | Core i5 | Ryzen 7 |
| Model | 8400 | 9800X3D |
| Codename | — | Granite Ridge |
| Class | desktop | desktop |
| Process | — | 4★ |
| Cores & Clocks | ||
| Cores | 6 | 8★ |
| P-cores | — | 8★ |
| Threads | 6 | 16★ |
| Base Clock | ||
| Boost Clock | ||
| Cache | ||
| L2 Cache | 1.5 | 8★ |
| L3 Cache | 9 | 96★ |
| Performance | ||
| PassMark Multi | ||
| PassMark Single | ||
| Memory | ||
| Memory Type | DDR4 | DDR5★ |
| Max Speed | No data | |
| Channels | — | 2★ |
| Max Memory | ||
| ECC | — | ✓★ |
| Platform & Power | ||
| Socket | LGA1151 | AM5 |
| PCIe | 3.0 | 5.0 |
| PCIe Lanes | 16 | 28★ |
| TDP | 65★ | 120 |
| Max Turbo Power | 65★ | 200 |
| Unlocked | ✗ | ✓★ |
| Graphics & AI | ||
| Integrated Graphics | Intel UHD Graphics 630 | AMD Radeon Graphics |
Pros & Cons
Intel Core i5 8400 6-core LGA1200
- Strong efficiency (67th percentile)
- Strong single thread (67th percentile)
- Below average social proof (2nd percentile)2nd %ile
AMD Ryzen 7 9800X3D 8-core AM5
- Strong feature (99th percentile)99th %ile
- Strong social proof (97th percentile)97th %ile
- Strong single thread (96th percentile)96th %ile
- Strong platform (95th percentile)95th %ile
Pricing
Intel Core i5 8400 6-core LGA12000.131score per dollar
vs
AMD Ryzen 7 9800X3D 8-core AM50.229score per dollar
AMD Ryzen 7 9800X3D 8-core AM5 offers 1.7x better value for money
Verdict
Winner: AMD Ryzen 7 9800X3D
Scores 100 overall, wins 6 of 6 usage categories and 17 of 27 specs.