FX-8370 vs Ryzen 9 5900X
FX-8370
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 FX-8370 is positioned at rank #583 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 FX-8370
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | FX-8370 | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($100) | ⚠️ Higher cost ($350) |
| Longevity | 🛑 Legacy (Vishera (2012−2015) / 32 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | FX-8370 | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+80%) |
| Upfront Cost | ✅ More affordable ($100) | ⚠️ 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 FX-8370 and Ryzen 9 5900X
FX-8370
The FX-8370 is manufactured by AMD. It was released in 2 September 2014 (11 years ago). It is based on the Vishera (2012−2015) architecture. It features 8 cores and 8 threads. Base frequency is 4 GHz, with boost up to 4.3 GHz. L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 6,184 points. Launch price was $199.
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 FX-8370 packs 8 cores / 8 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 4 more cores. Boost clocks reach 4.3 GHz on the FX-8370 versus 4.8 GHz on the Ryzen 9 5900X — a 11% clock advantage for the Ryzen 9 5900X (base: 4 GHz vs 3.7 GHz). The FX-8370 uses the Vishera (2012−2015) architecture (32 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the FX-8370 scores 6,184 against the Ryzen 9 5900X's 38,955 — a 145.2% lead for the Ryzen 9 5900X. Cinebench R23 multi-core: 3,800 vs 21,000 (138.7% advantage for the Ryzen 9 5900X). Geekbench 6 single-core — the metric most relevant to gaming — records 520 vs 2,174, a 122.8% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 2,050 vs 11,888 (141.2% advantage for the Ryzen 9 5900X).
| Feature | FX-8370 | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 8 / 8 | 12 / 24+50% |
| Boost Clock | 4.3 GHz | 4.8 GHz+12% |
| Base Clock | 4 GHz+8% | 3.7 GHz |
| L3 Cache | — | 64 MB |
| L2 Cache | 8192 kB+1500% | 512K (per core) |
| Process | 32 nm | 7 nm, 12 nm-78% |
| Architecture | Vishera (2012−2015) | Vermeer (Zen3) (2020−2022) |
| PassMark | 6,184 | 38,955+530% |
| Cinebench R23 Multi | 3,800 | 21,000+453% |
| Geekbench 6 Single | 520 | 2,174+318% |
| Geekbench 6 Multi | 2,050 | 11,888+480% |
Memory & Platform
The FX-8370 uses the AM3+ socket (PCIe 2.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1866 on the FX-8370 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 32 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (FX-8370) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: 970,990FX,990X (FX-8370) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | FX-8370 | Ryzen 9 5900X |
|---|---|---|
| Socket | AM3+ | AM4 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | DDR3-1866 | DDR4-3200+33% |
| Max RAM Capacity | 32 GB | 128 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 20 | 24+20% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AMD-V virtualization. Primary use case: FX-8370 targets Legacy Gaming, Ryzen 9 5900X targets Workstation. Direct competitor: FX-8370 rivals Core i5-6400; Ryzen 9 5900X rivals Core i9-12900K.
| Feature | FX-8370 | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | Legacy Gaming | Workstation |
Value Analysis
The FX-8370 launched at $199 MSRP, while the Ryzen 9 5900X debuted at $549. At current prices ($100 vs $350), the FX-8370 is $250 cheaper. In terms of value (PassMark points per dollar), the FX-8370 delivers 61.8 pts/$ vs 111.3 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 57.1% better value option.
| Feature | FX-8370 | Ryzen 9 5900X |
|---|---|---|
| MSRP | $199-64% | $549 |
| Avg Price (30d) | $100-71% | $350 |
| Performance per Dollar | 61.8 | 111.3+80% |
| Release Date | 2014 | 2020 |
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