CPU
GPU
Pentium Gold 5405U
Ryzen 9 5900X
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. The Pentium Gold 5405U is positioned at rank #476 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 Pentium Gold 5405U
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold 5405U | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($350) |
| Longevity | ✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Pentium Gold 5405U | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($350) |
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 Pentium Gold 5405U and Ryzen 9 5900X
Pentium Gold 5405U
The Pentium Gold 5405U is manufactured by Intel. It was released in 23 January 2019 (6 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.3 GHz, with boost up to 2.3 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 2,357 points. Launch price was $161.
Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
The Pentium Gold 5405U packs 2 cores / 4 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 10 more cores. Boost clocks reach 2.3 GHz on the Pentium Gold 5405U versus 4.8 GHz on the Ryzen 9 5900X — a 70.4% clock advantage for the Ryzen 9 5900X (base: 2.3 GHz vs 3.7 GHz). The Pentium Gold 5405U uses the Whiskey Lake-U (2018−2019) architecture (14 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Pentium Gold 5405U scores 2,357 against the Ryzen 9 5900X's 38,955 — a 177.2% lead for the Ryzen 9 5900X. L3 cache: 2 MB (total) on the Pentium Gold 5405U vs 64 MB on the Ryzen 9 5900X.
| Feature | Pentium Gold 5405U | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 2 / 4 | 12 / 24+500% |
| Boost Clock | 2.3 GHz | 4.8 GHz+109% |
| Base Clock | 2.3 GHz | 3.7 GHz+61% |
| L3 Cache | 2 MB (total) | 64 MB+3100% |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 14 nm | 7 nm, 12 nm-50% |
| Architecture | Whiskey Lake-U (2018−2019) | Vermeer (Zen3) (2020−2022) |
| PassMark | 2,357 | 38,955+1553% |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | — | 2,174 |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The Pentium Gold 5405U uses the FCBGA1528 socket (PCIe 3.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Pentium Gold 5405U | Ryzen 9 5900X |
|---|---|---|
| Socket | FCBGA1528 | AM4 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | — | DDR4-3200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 24 |
Advanced Features
Virtualization: not specified (Pentium Gold 5405U) / AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Pentium Gold 5405U | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Workstation |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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