
Atom x5-Z8550

Core 2 Extreme X7800
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. The Atom x5-Z8550 is positioned at rank 723 and the Core 2 Extreme X7800 is on rank 1145, so the Atom x5-Z8550 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom x5-Z8550
Performance Per Dollar Core 2 Extreme X7800
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom x5-Z8550 | Core 2 Extreme X7800 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Cherry Trail (2015−2016) / 14 nm) | 🛑 Legacy (Merom XE (2007) / 65 nm) |
💎 Value Proposition
| Insight | Atom x5-Z8550 | Core 2 Extreme X7800 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 x5-Z8550 and Core 2 Extreme X7800

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.

Core 2 Extreme X7800
The Core 2 Extreme X7800 is manufactured by Intel. It was released in 17 July 2007 (18 years ago). It is based on the Merom XE (2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB L2 Cache. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Passmark benchmark score: 1,138 points. Launch price was $851.
Processing Power
The Atom x5-Z8550 packs 4 cores / 4 threads, while the Core 2 Extreme X7800 offers 2 cores / 2 threads — the Atom x5-Z8550 has 2 more cores. Boost clocks reach 2.4 GHz on the Atom x5-Z8550 versus 2.6 GHz on the Core 2 Extreme X7800 — a 8% clock advantage for the Core 2 Extreme X7800 (base: 1.44 GHz vs 2.6 GHz). The Atom x5-Z8550 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Core 2 Extreme X7800 uses Merom XE (2007) (65 nm). In PassMark, the Atom x5-Z8550 scores 1,143 against the Core 2 Extreme X7800's 1,138 — a 0.4% lead for the Atom x5-Z8550. L3 cache: 0 kB on the Atom x5-Z8550 vs 4 MB L2 Cache on the Core 2 Extreme X7800.
| Feature | Atom x5-Z8550 | Core 2 Extreme X7800 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.4 GHz | 2.6 GHz+8% |
| Base Clock | 1.44 GHz | 2.6 GHz+81% |
| L3 Cache | 0 kB | 4 MB L2 Cache |
| L2 Cache | 2 MB | 4 MB+100% |
| Process | 14 nm-78% | 65 nm |
| Architecture | Cherry Trail (2015−2016) | Merom XE (2007) |
| PassMark | 1,143 | 1,138 |
Memory & Platform
The Atom x5-Z8550 uses the UTFCBGA1380 socket (PCIe 3.0), while the Core 2 Extreme X7800 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR3-1600 on the Atom x5-Z8550 versus DDR2-667 on the Core 2 Extreme X7800 — the Atom x5-Z8550 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Atom x5-Z8550 supports up to 8 GB of RAM compared to 4 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 2 (Atom x5-Z8550) vs 16 (Core 2 Extreme X7800) — the Core 2 Extreme X7800 offers 14 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FC-UTBGA592 (Atom x5-Z8550) and Socket P (Core 2 Extreme X7800).
| Feature | Atom x5-Z8550 | Core 2 Extreme X7800 |
|---|---|---|
| Socket | UTFCBGA1380 | PGA478 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | LPDDR3-1600+50% | DDR2-667 |
| Max RAM Capacity | 8 GB+100% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 2 | 16+700% |
Advanced Features
Virtualization: not specified (Atom x5-Z8550) / VT-x (Core 2 Extreme X7800). The Atom x5-Z8550 includes integrated graphics (Intel HD Graphics (Cherry Trail)), while the Core 2 Extreme X7800 requires a dedicated GPU.
| Feature | Atom x5-Z8550 | Core 2 Extreme X7800 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics (Cherry Trail) | — |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
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