CPU
GPU
Celeron 900
Celeron 450
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 900 is positioned at rank 1193 and the Celeron 450 is on rank 1004, so the Celeron 450 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 900
Performance Per Dollar Celeron 450
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 900 | Celeron 450 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Legacy / 45 nm) | 🛑 Legacy (Conroe-L (2007−2008) / 65 nm) |
💎 Value Proposition
| Insight | Celeron 900 | Celeron 450 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+2%) |
| 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 Celeron 900 and Celeron 450
Celeron 900
The Celeron 900 is manufactured by Intel. It was released in 2007-01-01. Base frequency: 2.2 GHz. L3 cache: 1 MB L2 Cache. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 485 points. Launch price was $69.
Celeron 450
The Celeron 450 is manufactured by Intel. It was released in 31 August 2008 (17 years ago). It is based on the Conroe-L (2007−2008) architecture. It features 1 cores and 1 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 35 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 495 points. Launch price was $53.
Processing Power
The Celeron 450 is built on the Conroe-L (2007−2008) architecture. In PassMark, the Celeron 900 scores 485 against the Celeron 450's 495 — a 2% lead for the Celeron 450. Multi-core Geekbench: 229 vs 269 (16.1% advantage for the Celeron 450). L3 cache: 1 MB L2 Cache on the Celeron 900 vs 0 kB on the Celeron 450.
| Feature | Celeron 900 | Celeron 450 |
|---|---|---|
| Cores / Threads | — | 1 / 1 |
| Boost Clock | — | 2.2 GHz |
| Base Clock | 2.2 GHz | 2.2 GHz |
| L3 Cache | 1 MB L2 Cache | 0 kB |
| L2 Cache | — | 512 kB |
| Process | 45 nm-31% | 65 nm |
| Architecture | — | Conroe-L (2007−2008) |
| PassMark | 485 | 495+2% |
| Geekbench 6 Single | 220 | — |
| Geekbench 6 Multi | 229 | 269+17% |
Memory & Platform
The Celeron 900 uses the PGA478 socket (PCIe 2.0), while the Celeron 450 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Celeron 900 versus DDR2-800 on the Celeron 450 — the Celeron 900 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4 GB of RAM. Memory channels: 1 (Celeron 900) vs 2 (Celeron 450). Both provide 0 PCIe lanes. Chipset compatibility: GL40,GM45 (Celeron 900) and 945,G31,G41 (Celeron 450).
| Feature | Celeron 900 | Celeron 450 |
|---|---|---|
| Socket | PGA478 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333+50% | DDR2-800 |
| Max RAM Capacity | 4 GB | 4 GB |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Neither processor supports overclocking. Both support No virtualization. Primary use case: Celeron 900 targets Budget, Celeron 450 targets Budget. Direct competitor: Celeron 900 rivals Pentium 4 2.80; Celeron 450 rivals Pentium 4 2.80.
| Feature | Celeron 900 | Celeron 450 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | No | No |
| Target Use | Budget | Budget |
Value Analysis
The Celeron 900 launched at $86 MSRP, while the Celeron 450 debuted at $53. At current prices ($5 vs $5), the Celeron 450 is $0 cheaper. In terms of value (PassMark points per dollar), the Celeron 900 delivers 97.0 pts/$ vs 99.0 pts/$ for the Celeron 450 — making the Celeron 450 the 2% better value option.
| Feature | Celeron 900 | Celeron 450 |
|---|---|---|
| MSRP | $86 | $53-38% |
| Avg Price (30d) | $5 | $5 |
| Performance per Dollar | 97.0 | 99.0+2% |
| Release Date | 2009 | 2008 |
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