Athlon II X4 635 vs Ryzen 5 5600X
Athlon II X4 635
Popular choices:
Ryzen 5 5600X
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 II X4 635 is positioned at rank #1069 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 II X4 635
Performance Per Dollar Ryzen 5 5600X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X4 635 | Ryzen 5 5600X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($250) | ✅ More affordable ($135) |
| Longevity | 🛑 Legacy (Propus (2009−2011) / 45 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Athlon II X4 635 | Ryzen 5 5600X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1700%) |
| Upfront Cost | ⚠️ Higher cost ($250) | ✅ More affordable ($135) |
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 II X4 635 and Ryzen 5 5600X
Athlon II X4 635
The Athlon II X4 635 is manufactured by AMD. It was released in 25 January 2010 (15 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 2.9 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,248 points. Launch price was $70.
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.
Processing Power
The Athlon II X4 635 packs 4 cores / 4 threads, while the Ryzen 5 5600X offers 6 cores / 12 threads — the Ryzen 5 5600X has 2 more cores. Boost clocks reach 2.9 GHz on the Athlon II X4 635 versus 4.6 GHz on the Ryzen 5 5600X — a 45.3% clock advantage for the Ryzen 5 5600X (base: 2.9 GHz vs 3.7 GHz). The Athlon II X4 635 uses the Propus (2009−2011) architecture (45 nm), while the Ryzen 5 5600X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Athlon II X4 635 scores 2,248 against the Ryzen 5 5600X's 21,845 — a 162.7% lead for the Ryzen 5 5600X. L3 cache: 0 kB on the Athlon II X4 635 vs 32 MB on the Ryzen 5 5600X.
| Feature | Athlon II X4 635 | Ryzen 5 5600X |
|---|---|---|
| Cores / Threads | 4 / 4 | 6 / 12+50% |
| Boost Clock | 2.9 GHz | 4.6 GHz+59% |
| Base Clock | 2.9 GHz | 3.7 GHz+28% |
| L3 Cache | 0 kB | 32 MB |
| L2 Cache | 512 kB (per core) | 512K (per core) |
| Process | 45 nm | 7 nm, 12 nm-84% |
| Architecture | Propus (2009−2011) | Vermeer (Zen 3) (2020−2022) |
| PassMark | 2,248 | 21,845+872% |
| Cinebench R23 Multi | 658 | — |
| Geekbench 6 Single | 180 | — |
| Geekbench 6 Multi | 550 | — |
Memory & Platform
The Athlon II X4 635 uses the AM3 socket (PCIe 2.0), while the Ryzen 5 5600X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 / DDR2-1066 on the Athlon II X4 635 versus DDR4-3200 on the Ryzen 5 5600X — 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: 16 (Athlon II X4 635) vs 24 (Ryzen 5 5600X) — the Ryzen 5 5600X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 770,785G,790FX,880G,890FX,970,990FX (Athlon II X4 635) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 5 5600X).
| Feature | Athlon II X4 635 | Ryzen 5 5600X |
|---|---|---|
| Socket | AM3 | AM4 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | DDR3-1333 / DDR2-1066 | DDR4-3200+33% |
| Max RAM Capacity | 16 GB | 128 GB+700% |
| 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 II X4 635 targets Budget, Ryzen 5 5600X targets Desktop.
| Feature | Athlon II X4 635 | Ryzen 5 5600X |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | Budget | Desktop |
Value Analysis
The Athlon II X4 635 launched at $400 MSRP, while the Ryzen 5 5600X debuted at $299. At current prices ($250 vs $135), the Ryzen 5 5600X is $115 cheaper. In terms of value (PassMark points per dollar), the Athlon II X4 635 delivers 9.0 pts/$ vs 161.8 pts/$ for the Ryzen 5 5600X — making the Ryzen 5 5600X the 178.9% better value option.
| Feature | Athlon II X4 635 | Ryzen 5 5600X |
|---|---|---|
| MSRP | $400 | $299-25% |
| Avg Price (30d) | $250 | $135-46% |
| Performance per Dollar | 9.0 | 161.8+1698% |
| Release Date | 2010 | 2020 |
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