Celeron 450 vs Sempron 140

Celeron 450 vs Sempron 140 Performance Spectrum

Celeron 450

1 / 1

495

0.0%

513

+3.6%

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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.

Celeron 450 vs Sempron 140 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 Sempron 140: 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

✅Draws 35W instead of 45W, a 10W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Sempron 140 across 50 shared CPU benchmark tests.
❌Lower PassMark (495 vs 513).
❌Launch MSRP is still $53 MSRP, while Sempron 140 mostly shows up through inconsistent older-market listings.
❌No boxed cooler included, unlike Sempron 140.

Sempron 140

2009

Why buy it

✅Better for gaming: +8.2% higher average FPS across 50 shared CPU benchmark tests.
✅Includes a boxed cooler (Stock), unlike Celeron 450.

Trade-offs

❌28.6% higher power demand at 45W vs 35W.

Quick Answers

So, is Sempron 140 better than Celeron 450?

Yes. Sempron 140 is the better all-around CPU here. It gives you a 8.2% average FPS lead across 50 shared CPU game tests in our data, 3.6% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Sempron 140 is the better pick. According to our tests, it delivers 8.2% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Sempron 140 is the stronger fit. You are getting 3.6% better PassMark, backed by 1 cores and 1 threads.

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

Sempron 140 is still the much better call for a fresh build. Sempron 140 comes in at an unclear MSRP at unclear MSRP versus $53 MSRP, and it still gives you a 8.2% average FPS lead across 50 shared CPU game tests in our data. Celeron 450 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2008 platform. Even with 100.0% better value on paper (9.3 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA775.

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

Sempron 140 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2008) and more multi-core headroom with 1 cores / 1 threads instead of 1/1. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Celeron 450 vs Sempron 140 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.

Sempron 140

The Sempron 140 is manufactured by AMD. It was released in 22 July 2009 (16 years ago). It is based on the Sargas (2009−2011) architecture. It features 1 cores and 1 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 513 points. Launch price was $40.

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Processing Power

Both the Celeron 450 and Sempron 140 share an identical 1-core/1-thread configuration. Boost clocks reach 2.2 GHz on the Celeron 450 versus 2.7 GHz on the Sempron 140 — a 20.4% clock advantage for the Sempron 140 (base: 2.2 GHz vs 2.7 GHz). The Celeron 450 uses the Conroe-L (2007−2008) architecture (65 nm), while the Sempron 140 uses Sargas (2009−2011) (45 nm). In PassMark, the Celeron 450 scores 495 against the Sempron 140's 513 — a 3.6% lead for the Sempron 140. Both processors carry 0 kB of L3 cache.

Feature	Celeron 450	Sempron 140
Cores / Threads	1 / 1	1 / 1
Boost Clock	2.2 GHz	2.7 GHz+23%
Base Clock	2.2 GHz	2.7 GHz+23%
L3 Cache	0 kB	0 kB
L2 Cache	512 kB	1 MB (per core)+100%
Process	65 nm	45 nm-31%
Architecture	Conroe-L (2007−2008)	Sargas (2009−2011)
PassMark	495	513+4%
Geekbench 6 Single	—	292
Geekbench 6 Multi	269	—

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Memory & Platform

The Celeron 450 uses the LGA775 socket (PCIe 1.1), while the Sempron 140 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Celeron 450 versus DDR3-1066 on the Sempron 140 — the Sempron 140 supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both feature 2-channel memory with ECC support. Chipset compatibility: 945,G31,G41 (Celeron 450) and AM3,AM2+ (Sempron 140).

Feature	Celeron 450	Sempron 140
Socket	LGA775	AM3
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR2-800	DDR3-1066+33%
Max RAM Capacity	4 GB	—
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	—

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Advanced Features

Only the Sempron 140 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: No (Celeron 450) vs AMD-V (Sempron 140). Primary use case: Celeron 450 targets Budget, Sempron 140 targets Budget. Direct competitor: Celeron 450 rivals Pentium 4 2.80; Sempron 140 rivals Celeron 420.