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