
Ryzen 7 4800H vs Core i9-9900K

Ryzen 7 4800H

Core i9-9900K
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Core i9-9900K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 4800H | Core i9-9900K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($331) |
| Longevity | ✨ Modern (Renoir-H (Zen 2) (2020) / 7 nm) | ✨ Modern (Coffee Lake-R (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 7 4800H | Core i9-9900K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($331) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Ryzen 7 4800H and Core i9-9900K

Ryzen 7 4800H
The Ryzen 7 4800H is manufactured by AMD. It was released in 6 January 2020 (5 years ago). It is based on the Renoir-H (Zen 2) (2020) architecture. It features 8 cores and 16 threads. Base frequency is 2.9 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 18,086 points. Launch price was $299.

Core i9-9900K
The Core i9-9900K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 18,109 points. Launch price was $488.
Processing Power
Both the Ryzen 7 4800H and Core i9-9900K share an identical 8-core/16-thread configuration. Boost clocks reach 4.2 GHz on the Ryzen 7 4800H versus 5 GHz on the Core i9-9900K — a 17.4% clock advantage for the Core i9-9900K (base: 2.9 GHz vs 3.6 GHz). The Ryzen 7 4800H uses the Renoir-H (Zen 2) (2020) architecture (7 nm), while the Core i9-9900K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Ryzen 7 4800H scores 18,086 against the Core i9-9900K's 18,109 — a 0.1% lead for the Core i9-9900K. L3 cache: 8 MB (total) on the Ryzen 7 4800H vs 16 MB (total) on the Core i9-9900K.
| Feature | Ryzen 7 4800H | Core i9-9900K |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 16 |
| Boost Clock | 4.2 GHz | 5 GHz+19% |
| Base Clock | 2.9 GHz | 3.6 GHz+24% |
| L3 Cache | 8 MB (total) | 16 MB (total)+100% |
| L2 Cache | 512 kB (per core)+100% | 256K (per core) |
| Process | 7 nm-50% | 14 nm |
| Architecture | Renoir-H (Zen 2) (2020) | Coffee Lake-R (2018−2019) |
| PassMark | 18,086 | 18,109 |
Memory & Platform
The Ryzen 7 4800H uses the FP6 socket (PCIe 3.0), while the Core i9-9900K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 7 4800H | Core i9-9900K |
|---|---|---|
| Socket | FP6 | LGA1151 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2666 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
The Core i9-9900K includes integrated graphics (Intel UHD Graphics 630), while the Ryzen 7 4800H requires a dedicated GPU.
| Feature | Ryzen 7 4800H | Core i9-9900K |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel UHD Graphics 630 |
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