Ryzen 5 5600X vs Athlon X2 450
Ryzen 5 5600X
Athlon X2 450
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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 Ryzen 5 5600X
Performance Per Dollar Athlon X2 450
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 5 5600X | Athlon X2 450 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($135) | ✅ More affordable ($15) |
| Longevity | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) | 🛑 Legacy (Kaveri (2014−2015) / 28 nm) |
💎 Value Proposition
| Insight | Ryzen 5 5600X | Athlon X2 450 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+87%) | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($135) | ✅ More affordable ($15) |
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 5 5600X and Athlon X2 450
Ryzen 5 5600X
The Ryzen 5 5600X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 6 cores and 12 threads. Base frequency is 3.7 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 21,845 points. Launch price was $299.
Athlon X2 450
The Athlon X2 450 is manufactured by AMD. It was released in 2009-01-01. It is based on the Kaveri (2014−2015) architecture. It features 2 cores and 2 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L2 cache: 1 MB (total). Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,295 points. Launch price was $149.
Processing Power
The Ryzen 5 5600X packs 6 cores / 12 threads, while the Athlon X2 450 offers 2 cores / 2 threads — the Ryzen 5 5600X has 4 more cores. Boost clocks reach 4.6 GHz on the Ryzen 5 5600X versus 3.9 GHz on the Athlon X2 450 — a 16.5% clock advantage for the Ryzen 5 5600X (base: 3.7 GHz vs 3.5 GHz). The Ryzen 5 5600X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Athlon X2 450 uses Kaveri (2014−2015) (28 nm). In PassMark, the Ryzen 5 5600X scores 21,845 against the Athlon X2 450's 1,295 — a 177.6% lead for the Ryzen 5 5600X.
| Feature | Ryzen 5 5600X | Athlon X2 450 |
|---|---|---|
| Cores / Threads | 6 / 12+200% | 2 / 2 |
| Boost Clock | 4.6 GHz+18% | 3.9 GHz |
| Base Clock | 3.7 GHz+6% | 3.5 GHz |
| L3 Cache | 32 MB | — |
| L2 Cache | 512K (per core) | 1 MB (total)+100% |
| Process | 7 nm, 12 nm-75% | 28 nm |
| Architecture | Vermeer (Zen 3) (2020−2022) | Kaveri (2014−2015) |
| PassMark | 21,845+1587% | 1,295 |
| Cinebench R23 Multi | — | 1,500 |
| Geekbench 6 Single | — | 450 |
| Geekbench 6 Multi | — | 800 |
Memory & Platform
The Ryzen 5 5600X uses the AM4 socket (PCIe 4.0), while the Athlon X2 450 uses FM2+ (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 5 5600X versus DDR3-1866 on the Athlon X2 450 — the Ryzen 5 5600X supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 5 5600X supports up to 128 GB of RAM compared to 16 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 5 5600X) vs 16 (Athlon X2 450) — the Ryzen 5 5600X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 5 5600X) and A88X,A78,A68H (Athlon X2 450).
| Feature | Ryzen 5 5600X | Athlon X2 450 |
|---|---|---|
| Socket | AM4 | FM2+ |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200+33% | DDR3-1866 |
| Max RAM Capacity | 128 GB+700% | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 24+50% | 16 |
Advanced Features
Only the Ryzen 5 5600X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AMD-V virtualization. Primary use case: Ryzen 5 5600X targets Desktop, Athlon X2 450 targets Basic Desktop. Direct competitor: Athlon X2 450 rivals Core i3-3220.
| Feature | Ryzen 5 5600X | Athlon X2 450 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | Yes | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | Desktop | Basic Desktop |
Value Analysis
The Ryzen 5 5600X launched at $299 MSRP, while the Athlon X2 450 debuted at $60. At current prices ($135 vs $15), the Athlon X2 450 is $120 cheaper. In terms of value (PassMark points per dollar), the Ryzen 5 5600X delivers 161.8 pts/$ vs 86.3 pts/$ for the Athlon X2 450 — making the Ryzen 5 5600X the 60.8% better value option.
| Feature | Ryzen 5 5600X | Athlon X2 450 |
|---|---|---|
| MSRP | $299 | $60-80% |
| Avg Price (30d) | $135 | $15-89% |
| Performance per Dollar | 161.8+87% | 86.3 |
| Release Date | 2020 | 2014 |
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