Ryzen 5 5600X vs Core i5-2550K
Ryzen 5 5600X
Core i5-2550K
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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 Core i5-2550K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 5 5600X | Core i5-2550K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($135) | ✅ More affordable ($46) |
| Longevity | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Ryzen 5 5600X | Core i5-2550K |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+76%) | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($135) | ✅ More affordable ($46) |
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 Core i5-2550K
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.
Core i5-2550K
The Core i5-2550K is manufactured by Intel. It was released in Janeiro 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 3.4 GHz, with boost up to 3.8 GHz. L3 cache: 6144 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,228 points. Launch price was $189.
Processing Power
The Ryzen 5 5600X packs 6 cores / 12 threads, while the Core i5-2550K offers 4 cores / 4 threads — the Ryzen 5 5600X has 2 more cores. Boost clocks reach 4.6 GHz on the Ryzen 5 5600X versus 3.8 GHz on the Core i5-2550K — a 19% clock advantage for the Ryzen 5 5600X (base: 3.7 GHz vs 3.4 GHz). The Ryzen 5 5600X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Core i5-2550K uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Ryzen 5 5600X scores 21,845 against the Core i5-2550K's 4,228 — a 135.1% lead for the Ryzen 5 5600X. L3 cache: 32 MB on the Ryzen 5 5600X vs 6144 kB (total) on the Core i5-2550K.
| Feature | Ryzen 5 5600X | Core i5-2550K |
|---|---|---|
| Cores / Threads | 6 / 12+50% | 4 / 4 |
| Boost Clock | 4.6 GHz+21% | 3.8 GHz |
| Base Clock | 3.7 GHz+9% | 3.4 GHz |
| L3 Cache | 32 MB+433% | 6144 kB (total) |
| L2 Cache | 512K (per core)+100% | 256 kB (per core) |
| Process | 7 nm, 12 nm-78% | 32 nm |
| Architecture | Vermeer (Zen 3) (2020−2022) | Sandy Bridge (2011−2013) |
| PassMark | 21,845+417% | 4,228 |
| Cinebench R23 Multi | — | 4,058 |
| Geekbench 6 Single | — | 707 |
| Geekbench 6 Multi | — | 2,010 |
Memory & Platform
The Ryzen 5 5600X uses the AM4 socket (PCIe 4.0), while the Core i5-2550K uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 5 5600X versus DDR3-1600 on the Core i5-2550K — 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 32 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 5 5600X) vs 16 (Core i5-2550K) — 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 Z77,Z75,Q77,H77,Q75,B75,Z68,P67,H67,Q67,B65,H61 (Core i5-2550K).
| Feature | Ryzen 5 5600X | Core i5-2550K |
|---|---|---|
| Socket | AM4 | LGA1155 |
| PCIe Generation | PCIe 4.0+100% | PCIe 2.0 |
| Max RAM Speed | DDR4-3200+33% | DDR3-1600 |
| Max RAM Capacity | 128 GB+300% | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 24+50% | 16 |
Advanced Features
Virtualization support: AMD-V (Ryzen 5 5600X) vs Yes (Core i5-2550K). Primary use case: Ryzen 5 5600X targets Desktop.
| Feature | Ryzen 5 5600X | Core i5-2550K |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | Yes | — |
| AVX-512 | No | No |
| Virtualization | AMD-V | Yes |
| Target Use | Desktop | — |
Value Analysis
The Ryzen 5 5600X launched at $299 MSRP, while the Core i5-2550K debuted at $235. At current prices ($135 vs $46), the Core i5-2550K is $89 cheaper. In terms of value (PassMark points per dollar), the Ryzen 5 5600X delivers 161.8 pts/$ vs 91.9 pts/$ for the Core i5-2550K — making the Ryzen 5 5600X the 55.1% better value option.
| Feature | Ryzen 5 5600X | Core i5-2550K |
|---|---|---|
| MSRP | $299 | $235-21% |
| Avg Price (30d) | $135 | $46-66% |
| Performance per Dollar | 161.8+76% | 91.9 |
| Release Date | 2020 | 2012 |
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