CPU
GPU
Core i9-11900K
Popular choices:
Ryzen 7 7800X3D
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 Core i9-11900K
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-11900K | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($435) | ✅ More affordable ($384) |
| Longevity | ✨ Modern (Rocket Lake (2021) / 14 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | Core i9-11900K | Ryzen 7 7800X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+55%) |
| Upfront Cost | ⚠️ Higher cost ($435) | ✅ More affordable ($384) |
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 Core i9-11900K and Ryzen 7 7800X3D
Core i9-11900K
The Core i9-11900K is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.5 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4. Passmark benchmark score: 24,990 points. Launch price was $539.
Ryzen 7 7800X3D
The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.
Processing Power
Both the Core i9-11900K and Ryzen 7 7800X3D share an identical 8-core/16-thread configuration. Boost clocks reach 5.2 GHz on the Core i9-11900K versus 5 GHz on the Ryzen 7 7800X3D — a 3.9% clock advantage for the Core i9-11900K (base: 3.5 GHz vs 4.4 GHz). The Core i9-11900K uses the Rocket Lake (2021) architecture (14 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core i9-11900K scores 24,990 against the Ryzen 7 7800X3D's 34,293 — a 31.4% lead for the Ryzen 7 7800X3D. L3 cache: 16 MB (total) on the Core i9-11900K vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | Core i9-11900K | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 16 |
| Boost Clock | 5.2 GHz+4% | 5 GHz |
| Base Clock | 3.5 GHz | 4.4 GHz+26% |
| L3 Cache | 16 MB (total) | 96 MB (total)+500% |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 14 nm | 5 nm-64% |
| Architecture | Rocket Lake (2021) | Raphael (Zen4) (2022−2023) |
| PassMark | 24,990 | 34,293+37% |
| Cinebench R23 Multi | — | 18,500 |
| Geekbench 6 Single | — | 2,700 |
| Geekbench 6 Multi | — | 15,000 |
Memory & Platform
The Core i9-11900K uses the LGA1200 socket (PCIe 4.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Core i9-11900K | Ryzen 7 7800X3D |
|---|---|---|
| Socket | LGA1200 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | — | DDR5-5200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 28 |
Advanced Features
Virtualization: not specified (Core i9-11900K) / AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Core i9-11900K requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Core i9-11900K | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | AMD Radeon Graphics (2-core) |
| Unlocked | — | Yes |
| AVX-512 | — | Yes |
| Virtualization | — | AMD-V |
| Target Use | — | Gaming |
Value Analysis
The Core i9-11900K launched at $539 MSRP, while the Ryzen 7 7800X3D debuted at $449. At current prices ($435 vs $384), the Ryzen 7 7800X3D is $51 cheaper. In terms of value (PassMark points per dollar), the Core i9-11900K delivers 57.4 pts/$ vs 89.3 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 43.4% better value option.
| Feature | Core i9-11900K | Ryzen 7 7800X3D |
|---|---|---|
| MSRP | $539 | $449-17% |
| Avg Price (30d) | $435 | $384-12% |
| Performance per Dollar | 57.4 | 89.3+56% |
| Release Date | 2021 | 2023 |
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