Core i5-2500K vs Ryzen 7 5800X
Core i5-2500K
Popular choices:
Ryzen 7 5800X
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 Core i5-2500K is positioned at rank #828 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 Core i5-2500K
Performance Per Dollar Ryzen 7 5800X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-2500K | Ryzen 7 5800X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($35) | ⚠️ Higher cost ($180) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core i5-2500K | Ryzen 7 5800X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+30%) |
| Upfront Cost | ✅ More affordable ($35) | ⚠️ Higher cost ($180) |
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 Core i5-2500K and Ryzen 7 5800X
Core i5-2500K
The Core i5-2500K is manufactured by Intel. It was released in 9 January 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,141 points. Launch price was $216.
Ryzen 7 5800X
The Ryzen 7 5800X 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 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 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. Passmark benchmark score: 27,712 points. Launch price was $449.
Processing Power
The Core i5-2500K packs 4 cores / 4 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 4 more cores. Boost clocks reach 3.7 GHz on the Core i5-2500K versus 4.7 GHz on the Ryzen 7 5800X — a 23.8% clock advantage for the Ryzen 7 5800X (base: 3.3 GHz vs 3.8 GHz). The Core i5-2500K uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i5-2500K scores 4,141 against the Ryzen 7 5800X's 27,712 — a 148% lead for the Ryzen 7 5800X. L3 cache: 6 MB (total) on the Core i5-2500K vs 32 MB on the Ryzen 7 5800X.
| Feature | Core i5-2500K | Ryzen 7 5800X |
|---|---|---|
| Cores / Threads | 4 / 4 | 8 / 16+100% |
| Boost Clock | 3.7 GHz | 4.7 GHz+27% |
| Base Clock | 3.3 GHz | 3.8 GHz+15% |
| L3 Cache | 6 MB (total) | 32 MB+433% |
| L2 Cache | 256K (per core) | 512K (per core)+100% |
| Process | 32 nm | 7 nm, 12 nm-78% |
| Architecture | Sandy Bridge (2011−2013) | Vermeer (Zen 3) (2020−2022) |
| PassMark | 4,141 | 27,712+569% |
| Cinebench R23 Multi | 3,200 | — |
| Geekbench 6 Single | 684 | — |
| Geekbench 6 Multi | 2,032 | — |
Memory & Platform
The Core i5-2500K uses the LGA1155 socket (PCIe 2.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Core i5-2500K versus DDR4-3200 on the Ryzen 7 5800X — the Ryzen 7 5800X supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 5800X 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: 16 (Core i5-2500K) vs 24 (Ryzen 7 5800X) — the Ryzen 7 5800X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: P67,Z68,Z77 (Core i5-2500K) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X).
| Feature | Core i5-2500K | Ryzen 7 5800X |
|---|---|---|
| Socket | LGA1155 | AM4 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | DDR3-1333 | DDR4-3200+33% |
| Max RAM Capacity | 32 GB | 128 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 24+50% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x (Core i5-2500K) vs AMD-V (Ryzen 7 5800X). The Core i5-2500K includes integrated graphics (HD Graphics 3000), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Core i5-2500K targets Gaming, Ryzen 7 5800X targets Desktop. Direct competitor: Core i5-2500K rivals FX-6300.
| Feature | Core i5-2500K | Ryzen 7 5800X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics 3000 | — |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Gaming | Desktop |
Value Analysis
The Core i5-2500K launched at $225 MSRP, while the Ryzen 7 5800X debuted at $449. At current prices ($35 vs $180), the Core i5-2500K is $145 cheaper. In terms of value (PassMark points per dollar), the Core i5-2500K delivers 118.3 pts/$ vs 154.0 pts/$ for the Ryzen 7 5800X — making the Ryzen 7 5800X the 26.2% better value option.
| Feature | Core i5-2500K | Ryzen 7 5800X |
|---|---|---|
| MSRP | $225-50% | $449 |
| Avg Price (30d) | $35-81% | $180 |
| Performance per Dollar | 118.3 | 154.0+30% |
| Release Date | 2011 | 2020 |
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