
Celeron 220 vs Atom N450

Celeron 220

Atom N450
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 Celeron 220 is positioned at rank 1143 and the Atom N450 is on rank 660, so the Atom N450 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 220
Performance Per Dollar Atom N450
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 220 | Atom N450 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($42) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Conroe (2006−2007) / 65 nm) | 🛑 Legacy (Pinetrail (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Celeron 220 | Atom N450 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($42) | ✅ More affordable ($0) |
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 Celeron 220 and Atom N450

Celeron 220
The Celeron 220 is manufactured by Intel. It was released in 2007-01-01. It is based on the Conroe (2006−2007) architecture. It features 1 cores and 1 threads. Base frequency is 1.2 GHz, with boost up to 1.2 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: BGA479. Thermal design power (TDP): 19 Watt. Passmark benchmark score: 320 points. Launch price was $69.

Atom N450
The Atom N450 is manufactured by Intel. It was released in 21 December 2009 (15 years ago). It is based on the Pinetrail (2009−2011) architecture. It features 1 cores and 2 threads. Base frequency is 1.66 GHz, with boost up to 1.67 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 5.5 Watt. Memory support: DDR2. Passmark benchmark score: 325 points. Launch price was $64.
Processing Power
The Celeron 220 packs 1 cores / 1 threads, matching the Atom N450's 1 cores. Boost clocks reach 1.2 GHz on the Celeron 220 versus 1.67 GHz on the Atom N450 — a 32.8% clock advantage for the Atom N450 (base: 1.2 GHz vs 1.66 GHz). The Celeron 220 uses the Conroe (2006−2007) architecture (65 nm), while the Atom N450 uses Pinetrail (2009−2011) (45 nm). In PassMark, the Celeron 220 scores 320 against the Atom N450's 325 — a 1.6% lead for the Atom N450. Both processors carry 0 kB of L3 cache.
| Feature | Celeron 220 | Atom N450 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 2 |
| Boost Clock | 1.2 GHz | 1.67 GHz+39% |
| Base Clock | 1.2 GHz | 1.66 GHz+38% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB | 512 kB (per core) |
| Process | 65 nm | 45 nm-31% |
| Architecture | Conroe (2006−2007) | Pinetrail (2009−2011) |
| PassMark | 320 | 325+2% |
Memory & Platform
The Celeron 220 uses the BGA479 socket (PCIe 1.1), while the Atom N450 uses FCBGA559 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR2-667 memory speed. The Celeron 220 supports up to 4 GB of RAM compared to 2 GB — 66.7% more capacity for professional workloads. Both feature 1-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: 945G,G31,G41 (Celeron 220) and Intel NM10 (Atom N450).
| Feature | Celeron 220 | Atom N450 |
|---|---|---|
| Socket | BGA479 | FCBGA559 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-667 | DDR2-667 |
| Max RAM Capacity | 4 GB+100% | 2 GB |
| RAM Channels | 1 | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Virtualization: No (Celeron 220) / not specified (Atom N450). The Atom N450 includes integrated graphics (Intel GMA 3150), while the Celeron 220 requires a dedicated GPU. Primary use case: Celeron 220 targets Budget. Direct competitor: Celeron 220 rivals Athlon 64 3100+.
| Feature | Celeron 220 | Atom N450 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel GMA 3150 |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | No | — |
| Target Use | Budget | — |
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