Ryzen 7 5800X vs Pentium 2129Y
Ryzen 7 5800X
Pentium 2129Y
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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 7 5800X
Performance Per Dollar Pentium 2129Y
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 5800X | Pentium 2129Y |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($180) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | Ryzen 7 5800X | Pentium 2129Y |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($180) | ✅ More affordable ($0) |
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 7 5800X and Pentium 2129Y
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.
Pentium 2129Y
The Pentium 2129Y is manufactured by Intel. It was released in 1 September 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.1 GHz, with boost up to 1.1 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 10 Watt. Memory support: DDR3. Passmark benchmark score: 1,502 points. Launch price was $150.
Processing Power
The Ryzen 7 5800X packs 8 cores / 16 threads, while the Pentium 2129Y offers 2 cores / 2 threads — the Ryzen 7 5800X has 6 more cores. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 1.1 GHz on the Pentium 2129Y — a 124.1% clock advantage for the Ryzen 7 5800X (base: 3.8 GHz vs 1.1 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Pentium 2129Y uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Pentium 2129Y's 1,502 — a 179.4% lead for the Ryzen 7 5800X. L3 cache: 32 MB on the Ryzen 7 5800X vs 2 MB (total) on the Pentium 2129Y.
| Feature | Ryzen 7 5800X | Pentium 2129Y |
|---|---|---|
| Cores / Threads | 8 / 16+300% | 2 / 2 |
| Boost Clock | 4.7 GHz+327% | 1.1 GHz |
| Base Clock | 3.8 GHz+245% | 1.1 GHz |
| L3 Cache | 32 MB+1500% | 2 MB (total) |
| L2 Cache | 512K (per core)+100% | 256K (per core) |
| Process | 7 nm, 12 nm-68% | 22 nm |
| Architecture | Vermeer (Zen 3) (2020−2022) | Ivy Bridge (2012−2013) |
| PassMark | 27,712+1745% | 1,502 |
Memory & Platform
The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Pentium 2129Y uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 7 5800X | Pentium 2129Y |
|---|---|---|
| Socket | AM4 | BGA1023 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 24 | — |
Advanced Features
Virtualization: AMD-V (Ryzen 7 5800X) / not specified (Pentium 2129Y). Primary use case: Ryzen 7 5800X targets Desktop.
| Feature | Ryzen 7 5800X | Pentium 2129Y |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Desktop | — |
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