Atom N550 vs Celeron N2805
Atom N550
Celeron N2805
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 Celeron N2805 is on rank 250, so the Celeron N2805 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 Celeron N2805
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom N550 | Celeron N2805 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower 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 (Bay Trail-M (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Atom N550 | Celeron N2805 |
|---|---|---|
| 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 Celeron N2805
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.
Celeron N2805
The Celeron N2805 is manufactured by Intel. It was released in 11 September 2013 (12 years ago). It is based on the Bay Trail-M (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 1.46 GHz, with boost up to 1.46 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 4.3 Watt. Memory support: DDR3. Passmark benchmark score: 1,430 points. Launch price was $107.
Processing Power
The Atom N550 packs 2 cores / 4 threads, matching the Celeron N2805's 2 cores. Boost clocks reach 1.5 GHz on the Atom N550 versus 1.46 GHz on the Celeron N2805 — a 2.7% clock advantage for the Atom N550 (base: 1.5 GHz vs 1.46 GHz). The Atom N550 uses the Pineview (2009−2011) architecture (45 nm), while the Celeron N2805 uses Bay Trail-M (2013−2014) (22 nm). In PassMark, the Atom N550 scores 1,435 against the Celeron N2805's 1,430 — a 0.3% lead for the Atom N550. Both processors carry 0 kB of L3 cache.
| Feature | Atom N550 | Celeron N2805 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 1.5 GHz+3% | 1.46 GHz |
| Base Clock | 1.5 GHz+3% | 1.46 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512K (per core) | 512K (per core) |
| Process | 45 nm | 22 nm-51% |
| Architecture | Pineview (2009−2011) | Bay Trail-M (2013−2014) |
| PassMark | 1,435 | 1,430 |
Memory & Platform
The Atom N550 uses the FCBGA559 socket (PCIe 2.0), while the Celeron N2805 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-667 on the Atom N550 versus 1066 on the Celeron N2805 — the Celeron N2805 supports 198.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron N2805 supports up to 4 of RAM compared to 2 GB — 66.7% more capacity for professional workloads. Both feature 1-channel memory with ECC support. PCIe lanes: 0 (Atom N550) vs 4 (Celeron N2805) — the Celeron N2805 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel NM10 (Atom N550) and FCBGA1170 (Celeron N2805).
| Feature | Atom N550 | Celeron N2805 |
|---|---|---|
| Socket | FCBGA559 | FCBGA1170 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-667 | 1066+35433% |
| Max RAM Capacity | 2 GB+52428700% | 4 |
| RAM Channels | 1 | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 4 |
Advanced Features
Virtualization: not specified (Atom N550) / true (Celeron N2805). Both include integrated graphics — Intel GMA 3150 (Atom N550) and Intel HD Graphics (Bay Trail) (Celeron N2805) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Celeron N2805 rivals AMD E1-2100.
| Feature | Atom N550 | Celeron N2805 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel GMA 3150 | Intel HD Graphics (Bay Trail) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | true |
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