Athlon II Neo K145 vs Ryzen 5 5600
Athlon II Neo K145
Ryzen 5 5600
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 Neo K145 is positioned at rank #1048 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 Neo K145
Performance Per Dollar Ryzen 5 5600
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II Neo K145 | Ryzen 5 5600 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($10) | ⚠️ Higher cost ($115) |
| Longevity | 🛑 Legacy (Nile (2010) / 45 nm) | ✨ Modern (Vermeer (2020−2025) / 7 nm) |
💎 Value Proposition
| Insight | Athlon II Neo K145 | Ryzen 5 5600 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+232%) |
| Upfront Cost | ✅ More affordable ($10) | ⚠️ Higher cost ($115) |
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 Neo K145 and Ryzen 5 5600
Athlon II Neo K145
The Athlon II Neo K145 is manufactured by AMD. It was released in 2009-01-01. It is based on the Nile (2010) architecture. It features 1 cores and 1 threads. Max frequency: 1.8 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Memory support: DDR3. Passmark benchmark score: 565 points. Launch price was $149.
Ryzen 5 5600
The Ryzen 5 5600 is manufactured by AMD. It was released in 20 April 2022 (3 years ago). It is based on the Vermeer (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 21,550 points. Launch price was $299.
Processing Power
The Athlon II Neo K145 packs 1 cores / 1 threads, while the Ryzen 5 5600 offers 6 cores / 12 threads — the Ryzen 5 5600 has 5 more cores. Boost clocks reach 1.8 GHz on the Athlon II Neo K145 versus 4.4 GHz on the Ryzen 5 5600 — a 83.9% clock advantage for the Ryzen 5 5600. The Athlon II Neo K145 uses the Nile (2010) architecture (45 nm), while the Ryzen 5 5600 uses Vermeer (2020−2025) (7 nm). In PassMark, the Athlon II Neo K145 scores 565 against the Ryzen 5 5600's 21,550 — a 189.8% lead for the Ryzen 5 5600.
| Feature | Athlon II Neo K145 | Ryzen 5 5600 |
|---|---|---|
| Cores / Threads | 1 / 1 | 6 / 12+500% |
| Boost Clock | 1.8 GHz | 4.4 GHz+144% |
| Base Clock | — | 3.5 GHz |
| L3 Cache | — | 32 MB (total) |
| L2 Cache | 1 MB+100% | 512K (per core) |
| Process | 45 nm | 7 nm-84% |
| Architecture | Nile (2010) | Vermeer (2020−2025) |
| PassMark | 565 | 21,550+3714% |
| Cinebench R23 Multi | — | 11,077 |
| Geekbench 6 Single | — | 2,052 |
| Geekbench 6 Multi | — | 8,600 |
Memory & Platform
The Athlon II Neo K145 uses the S1 socket (PCIe 2.0), while the Ryzen 5 5600 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Athlon II Neo K145 versus DDR4-3200 on the Ryzen 5 5600 — the Ryzen 5 5600 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 5 5600 supports up to 128 GB of RAM compared to 4 GB — 187.9% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II Neo K145) vs 24 (Ryzen 5 5600) — the Ryzen 5 5600 offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD ASB2 (Athlon II Neo K145) and B550,X570,B450,X470,A520 (Ryzen 5 5600).
| Feature | Athlon II Neo K145 | Ryzen 5 5600 |
|---|---|---|
| Socket | S1 | AM4 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | DDR3-1066 | DDR4-3200+33% |
| Max RAM Capacity | 4 GB | 128 GB+3100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 24 |
Advanced Features
Virtualization: not specified (Athlon II Neo K145) / AMD-V (Ryzen 5 5600). Primary use case: Ryzen 5 5600 targets Desktop.
| Feature | Athlon II Neo K145 | Ryzen 5 5600 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Desktop |
Value Analysis
The Athlon II Neo K145 launched at $50 MSRP, while the Ryzen 5 5600 debuted at $199. At current prices ($10 vs $115), the Athlon II Neo K145 is $105 cheaper. In terms of value (PassMark points per dollar), the Athlon II Neo K145 delivers 56.5 pts/$ vs 187.4 pts/$ for the Ryzen 5 5600 — making the Ryzen 5 5600 the 107.3% better value option.
| Feature | Athlon II Neo K145 | Ryzen 5 5600 |
|---|---|---|
| MSRP | $50-75% | $199 |
| Avg Price (30d) | $10-91% | $115 |
| Performance per Dollar | 56.5 | 187.4+232% |
| Release Date | 2010 | 2022 |
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