Celeron 450 vs Celeron 900

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.

Celeron 450 vs Celeron 900 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Celeron 450 vs Celeron 900: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Celeron 450

2008

Why buy it

✅Costs $33 less on MSRP ($53 MSRP vs $86 MSRP).
✅Delivers 65.6% more PassMark for each dollar spent, at 9.3 vs 5.6 PassMark/$ ($53 MSRP vs $86 MSRP).

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Celeron 900

2009

Why buy it

Trade-offs

❌Lower Geekbench multi-core (229 vs 269).
❌Lower PassMark per dollar, at 5.6 vs 9.3 PassMark/$ ($86 MSRP vs $53 MSRP).

Quick Answers

So, is Celeron 450 better than Celeron 900?

Yes. Celeron 450 is the better all-around CPU here. It gives you a 0.6% average FPS lead across 39 shared CPU game tests in our data, 17.5% better Geekbench multi-core, and 2.1% higher PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Celeron 450 is the better pick. According to our tests, it delivers 0.6% more average FPS across 39 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Celeron 450 is the stronger fit. You are getting 17.5% better Geekbench multi-core, backed by 1 cores and 1 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Celeron 450 is the better buy right now. Celeron 450 comes in $33 cheaper on MSRP at $53 MSRP versus $86 MSRP, and it still gives you a 0.6% average FPS lead across 39 shared CPU game tests in our data. It is also 65.6% better value on MSRP (9.3 vs 5.6 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Celeron 900 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2008). That makes it the safer long-term bet.

Celeron 450 vs Celeron 900 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

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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

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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 66.6% 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+67%
Max RAM Capacity	4 GB	4 GB
RAM Channels	2+100%	1
ECC Support	No	No
PCIe Lanes	0	0

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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

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Value Analysis

At launch, the Celeron 450 was priced at $53, while the Celeron 900 came in at $86. On launch pricing ($53 vs $86), Celeron 450 was $33 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron 450 delivers 9.3 pts/$ vs 5.6 pts/$ for the Celeron 900 — making the Celeron 450 the 49.4% better value option.

Feature	Celeron 450	Celeron 900
MSRP	$53-38%	$86
Performance per Dollar	9.3+66%	5.6
Release Date	2008	2009

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