CPU
GPU
Phenom X4 9150e
Atom N550
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 Phenom X4 9150e is positioned at rank 438 and the Atom N550 is on rank 618, 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 Phenom X4 9150e
Performance Per Dollar Atom N550
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom X4 9150e | Atom N550 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Agena (2007−2008) / 65 nm) | 🛑 Legacy (Pineview (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Phenom X4 9150e | Atom N550 |
|---|---|---|
| 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 Phenom X4 9150e and Atom N550
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.
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.
Processing Power
The Phenom X4 9150e packs 4 cores / 4 threads, while the Atom N550 offers 2 cores / 4 threads — the Phenom X4 9150e has 2 more cores. Boost clocks reach 1.8 GHz on the Phenom X4 9150e versus 1.5 GHz on the Atom N550 — a 18.2% clock advantage for the Phenom X4 9150e. The Phenom X4 9150e uses the Agena (2007−2008) architecture (65 nm), while the Atom N550 uses Pineview (2009−2011) (45 nm). In PassMark, the Phenom X4 9150e scores 1,427 against the Atom N550's 1,435 — a 0.6% lead for the Atom N550. L3 cache: 2 MB (total) on the Phenom X4 9150e vs 0 kB on the Atom N550.
| Feature | Phenom X4 9150e | Atom N550 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 4 |
| Boost Clock | 1.8 GHz+20% | 1.5 GHz |
| Base Clock | — | 1.5 GHz |
| L3 Cache | 2 MB (total) | 0 kB |
| L2 Cache | 512 kB (per core) | 512K (per core) |
| Process | 65 nm | 45 nm-31% |
| Architecture | Agena (2007−2008) | Pineview (2009−2011) |
| PassMark | 1,427 | 1,435 |
Memory & Platform
The Phenom X4 9150e uses the AM2+ socket (PCIe 2.0), while the Atom N550 uses FCBGA559 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Phenom X4 9150e | Atom N550 |
|---|---|---|
| Socket | AM2+ | FCBGA559 |
| 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 | Phenom X4 9150e | Atom N550 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel GMA 3150 |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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