
Ryzen 7 5800X vs Atom x5-Z8550

Ryzen 7 5800X

Atom x5-Z8550
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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 Atom x5-Z8550
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 5800X | Atom x5-Z8550 |
|---|---|---|
| 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 (Cherry Trail (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 7 5800X | Atom x5-Z8550 |
|---|---|---|
| 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 Atom x5-Z8550

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.

Atom x5-Z8550
The Atom x5-Z8550 is manufactured by Intel. It was released in 8 February 2016 (9 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.44 GHz, with boost up to 2.4 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Memory support: DDR3. Passmark benchmark score: 1,143 points. Launch price was $69.
Processing Power
The Ryzen 7 5800X packs 8 cores / 16 threads, while the Atom x5-Z8550 offers 4 cores / 4 threads — the Ryzen 7 5800X has 4 more cores. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 2.4 GHz on the Atom x5-Z8550 — a 64.8% clock advantage for the Ryzen 7 5800X (base: 3.8 GHz vs 1.44 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Atom x5-Z8550 uses Cherry Trail (2015−2016) (14 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Atom x5-Z8550's 1,143 — a 184.2% lead for the Ryzen 7 5800X. L3 cache: 32 MB on the Ryzen 7 5800X vs 0 kB on the Atom x5-Z8550.
| Feature | Ryzen 7 5800X | Atom x5-Z8550 |
|---|---|---|
| Cores / Threads | 8 / 16+100% | 4 / 4 |
| Boost Clock | 4.7 GHz+96% | 2.4 GHz |
| Base Clock | 3.8 GHz+164% | 1.44 GHz |
| L3 Cache | 32 MB | 0 kB |
| L2 Cache | 512K (per core) | 2 MB+300% |
| Process | 7 nm, 12 nm-50% | 14 nm |
| Architecture | Vermeer (Zen 3) (2020−2022) | Cherry Trail (2015−2016) |
| PassMark | 27,712+2324% | 1,143 |
Memory & Platform
The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Atom x5-Z8550 uses UTFCBGA1380 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 5800X versus LPDDR3-1600 on the Atom x5-Z8550 — 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 8 GB — 176.5% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 7 5800X) vs 2 (Atom x5-Z8550) — the Ryzen 7 5800X offers 22 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X) and Intel FC-UTBGA592 (Atom x5-Z8550).
| Feature | Ryzen 7 5800X | Atom x5-Z8550 |
|---|---|---|
| Socket | AM4 | UTFCBGA1380 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200+33% | LPDDR3-1600 |
| Max RAM Capacity | 128 GB+1500% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 24+1100% | 2 |
Advanced Features
Virtualization: AMD-V (Ryzen 7 5800X) / not specified (Atom x5-Z8550). The Atom x5-Z8550 includes integrated graphics (Intel HD Graphics (Cherry Trail)), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Ryzen 7 5800X targets Desktop.
| Feature | Ryzen 7 5800X | Atom x5-Z8550 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel HD Graphics (Cherry Trail) |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Desktop | — |
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