Atom Z550 vs Core i7-12700K
Atom Z550
Core i7-12700K
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 Atom Z550 is positioned at rank #592 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 Atom Z550
Performance Per Dollar Core i7-12700K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom Z550 | Core i7-12700K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($285) |
| Longevity | 🛑 Legacy (Silverthorne (2008−2010) / 45 nm) | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) |
💎 Value Proposition
| Insight | Atom Z550 | Core i7-12700K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($285) |
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 Atom Z550 and Core i7-12700K
Atom Z550
The Atom Z550 is manufactured by Intel. It was released in 8 April 2009 (16 years ago). It is based on the Silverthorne (2008−2010) architecture. It features 1 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: PBGA441. Thermal design power (TDP): 2.4 Watt. Memory support: unknown. Passmark benchmark score: 375 points. Launch price was $69.
Core i7-12700K
The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.
Processing Power
The Atom Z550 packs 1 cores / 2 threads, while the Core i7-12700K offers 12 cores / 20 threads — the Core i7-12700K has 11 more cores. Boost clocks reach 2 GHz on the Atom Z550 versus 5 GHz on the Core i7-12700K — a 85.7% clock advantage for the Core i7-12700K (base: 2 GHz vs 3.6 GHz). The Atom Z550 uses the Silverthorne (2008−2010) architecture (45 nm), while the Core i7-12700K uses Alder Lake, Golden Cove, Gracemont (2021) (10 nm). In PassMark, the Atom Z550 scores 375 against the Core i7-12700K's 34,347 — a 195.7% lead for the Core i7-12700K. L3 cache: 0 kB on the Atom Z550 vs 25 MB (total) on the Core i7-12700K.
| Feature | Atom Z550 | Core i7-12700K |
|---|---|---|
| Cores / Threads | 1 / 2 | 12 / 20+1100% |
| Boost Clock | 2 GHz | 5 GHz+150% |
| Base Clock | 2 GHz | 3.6 GHz+80% |
| L3 Cache | 0 kB | 25 MB (total) |
| L2 Cache | 512 kB (per core) | 1.25 MB (per core)+150% |
| Process | 45 nm | 10 nm-78% |
| Architecture | Silverthorne (2008−2010) | Alder Lake, Golden Cove, Gracemont (2021) |
| PassMark | 375 | 34,347+9059% |
Memory & Platform
The Atom Z550 uses the PBGA441 socket (PCIe 2.0), while the Core i7-12700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-533 on the Atom Z550 versus 4800 on the Core i7-12700K — the Core i7-12700K supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-12700K supports up to 128 of RAM compared to 2 GB — 193.8% more capacity for professional workloads. Memory channels: 1 (Atom Z550) vs 2 (Core i7-12700K). PCIe lanes: 0 (Atom Z550) vs 20 (Core i7-12700K) — the Core i7-12700K offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel US15W (Atom Z550) and Z690,B660 (Core i7-12700K).
| Feature | Atom Z550 | Core i7-12700K |
|---|---|---|
| Socket | PBGA441 | LGA1700 |
| PCIe Generation | PCIe 2.0 | PCIe 5.0+150% |
| Max RAM Speed | DDR2-533 | 4800+239900% |
| Max RAM Capacity | 2 GB+1638300% | 128 |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 20 |
Advanced Features
Virtualization: not specified (Atom Z550) / VT-x, VT-d (Core i7-12700K). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Atom Z550 requires a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.
| Feature | Atom Z550 | Core i7-12700K |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel UHD Graphics 770 |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
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