Atom N550 vs Phenom X4 9150e
Atom N550
Phenom X4 9150e
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 N550 is positioned at rank 618 and the Phenom X4 9150e is on rank 438, so the Phenom X4 9150e offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom N550
Performance Per Dollar Phenom X4 9150e
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom N550 | Phenom X4 9150e |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Pineview (2009−2011) / 45 nm) | 🛑 Legacy (Agena (2007−2008) / 65 nm) |
💎 Value Proposition
| Insight | Atom N550 | Phenom X4 9150e |
|---|---|---|
| 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 N550 and Phenom X4 9150e
Atom N550
The Atom N550 is manufactured by Intel. It was released in 23 August 2010 (15 years ago). It is based on the Pineview (2009−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 8.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,435 points. Launch price was $86.
Phenom X4 9150e
The Phenom X4 9150e is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 1.8 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 65 Watt. Passmark benchmark score: 1,427 points. Launch price was $149.
Processing Power
The Atom N550 packs 2 cores / 4 threads, while the Phenom X4 9150e offers 4 cores / 4 threads — the Phenom X4 9150e has 2 more cores. Boost clocks reach 1.5 GHz on the Atom N550 versus 1.8 GHz on the Phenom X4 9150e — a 18.2% clock advantage for the Phenom X4 9150e. The Atom N550 uses the Pineview (2009−2011) architecture (45 nm), while the Phenom X4 9150e uses Agena (2007−2008) (65 nm). In PassMark, the Atom N550 scores 1,435 against the Phenom X4 9150e's 1,427 — a 0.6% lead for the Atom N550. L3 cache: 0 kB on the Atom N550 vs 2 MB (total) on the Phenom X4 9150e.
| Feature | Atom N550 | Phenom X4 9150e |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 1.5 GHz | 1.8 GHz+20% |
| Base Clock | 1.5 GHz | — |
| L3 Cache | 0 kB | 2 MB (total) |
| L2 Cache | 512K (per core) | 512 kB (per core) |
| Process | 45 nm-31% | 65 nm |
| Architecture | Pineview (2009−2011) | Agena (2007−2008) |
| PassMark | 1,435 | 1,427 |
Memory & Platform
The Atom N550 uses the FCBGA559 socket (PCIe 2.0), while the Phenom X4 9150e uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Atom N550 | Phenom X4 9150e |
|---|---|---|
| Socket | FCBGA559 | AM2+ |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-667 | — |
| Max RAM Capacity | 2 GB | — |
| RAM Channels | 1 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Advanced Features
The Atom N550 includes integrated graphics (Intel GMA 3150), while the Phenom X4 9150e requires a dedicated GPU.
| Feature | Atom N550 | Phenom X4 9150e |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel GMA 3150 | — |
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