Athlon X4 850 vs Ryzen 9 5900X
Athlon X4 850
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 Athlon X4 850 is positioned at rank #539 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 Athlon X4 850
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon X4 850 | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($20) | ⚠️ Higher cost ($350) |
| Longevity | 🛑 Legacy (Godaveri (2014−2016) / 28 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Athlon X4 850 | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+24%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($20) | ⚠️ 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 Athlon X4 850 and Ryzen 9 5900X
Athlon X4 850
The Athlon X4 850 is manufactured by AMD. It was released in 2009-01-01. It is based on the Godaveri (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.9 GHz. L2 cache: 4 MB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-2133. Passmark benchmark score: 2,756 points. Launch price was $149.
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 Athlon X4 850 packs 4 cores / 4 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 8 more cores. Boost clocks reach 3.9 GHz on the Athlon X4 850 versus 4.8 GHz on the Ryzen 9 5900X — a 20.7% clock advantage for the Ryzen 9 5900X (base: 3.2 GHz vs 3.7 GHz). The Athlon X4 850 uses the Godaveri (2014−2016) architecture (28 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Athlon X4 850 scores 2,756 against the Ryzen 9 5900X's 38,955 — a 173.6% lead for the Ryzen 9 5900X.
| Feature | Athlon X4 850 | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 4 / 4 | 12 / 24+200% |
| Boost Clock | 3.9 GHz | 4.8 GHz+23% |
| Base Clock | 3.2 GHz | 3.7 GHz+16% |
| L3 Cache | — | 64 MB |
| L2 Cache | 4 MB+700% | 512K (per core) |
| Process | 28 nm | 7 nm, 12 nm-75% |
| Architecture | Godaveri (2014−2016) | Vermeer (Zen3) (2020−2022) |
| PassMark | 2,756 | 38,955+1313% |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | — | 2,174 |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The Athlon X4 850 uses the FM2+ socket (PCIe 3.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-2133 on the Athlon X4 850 versus DDR4-3200 on the Ryzen 9 5900X — the Ryzen 9 5900X supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Athlon X4 850) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD FM2+ (Athlon X4 850) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | Athlon X4 850 | Ryzen 9 5900X |
|---|---|---|
| Socket | FM2+ | AM4 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR3-2133 | DDR4-3200+33% |
| Max RAM Capacity | 64 GB | 128 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 24+50% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AMD-V virtualization. Primary use case: Athlon X4 850 targets Desktop, Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Athlon X4 850 | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | Desktop | Workstation |
Value Analysis
The Athlon X4 850 launched at $77 MSRP, while the Ryzen 9 5900X debuted at $549. At current prices ($20 vs $350), the Athlon X4 850 is $330 cheaper. In terms of value (PassMark points per dollar), the Athlon X4 850 delivers 137.8 pts/$ vs 111.3 pts/$ for the Ryzen 9 5900X — making the Athlon X4 850 the 21.3% better value option.
| Feature | Athlon X4 850 | Ryzen 9 5900X |
|---|---|---|
| MSRP | $77-86% | $549 |
| Avg Price (30d) | $20-94% | $350 |
| Performance per Dollar | 137.8+24% | 111.3 |
| Release Date | 2015 | 2020 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Athlon X4 850 and Ryzen 9 5900X
