Celeron 420 vs Opteron 140

Celeron 420 vs Opteron 140 Performance Spectrum

Celeron 420

1 / 1

425

0.0%

428

+0.7%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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 420 vs Opteron 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 420 vs Opteron 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 420

2007

Why buy it

✅Draws 35W instead of 85W, a 50W reduction.

Trade-offs

❌Lower PassMark (425 vs 428).
❌Launch MSRP is still $39 MSRP, while Opteron 140 mostly shows up through inconsistent older-market listings.

Opteron 140

2003

Why buy it

✅+0.7% higher PassMark.

Trade-offs

❌142.9% higher power demand at 85W vs 35W.

Quick Answers

So, is Celeron 420 better than Opteron 140?

Not really, because they are built for different jobs. Opteron 140 makes more sense for workstation-style multi-core throughput, while Celeron 420 is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Opteron 140 is the stronger fit. You are getting 0.7% better PassMark, backed by 1 cores and 1 threads.

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

Celeron 420 is the better buy right now. Celeron 420 comes in at an unclear MSRP at $39 MSRP versus unclear MSRP, and it still gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Opteron 140 is still stronger for heavier multi-core work with 0.7% better PassMark. It is also 100.0% better value on MSRP (10.9 vs 0.0 PassMark/$), 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 420 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2007 vs 2003). That makes it the safer long-term bet.

Celeron 420 vs Opteron 140 Technical Specifications

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

Celeron 420

The Celeron 420 is manufactured by Intel. It was released in 3 June 2007 (18 years ago). It is based on the Conroe-L (2007−2008) architecture. It features 1 cores and 1 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 0 kB. L2 cache: 512 kB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 35 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 425 points. Launch price was $23.

Opteron 140

The Opteron 140 is manufactured by AMD. It was released in Setembro 2003 (22 years ago). It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Max frequency: 1.4 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 85 Watt. Passmark benchmark score: 428 points. Launch price was $596.

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Processing Power

Both the Celeron 420 and Opteron 140 share an identical 1-core/1-thread configuration. Boost clocks reach 1.6 GHz on the Celeron 420 versus 1.4 GHz on the Opteron 140 — a 13.3% clock advantage for the Celeron 420. The Celeron 420 uses the Conroe-L (2007−2008) architecture (65 nm), while the Opteron 140 uses SledgeHammer (2003−2005) (130 nm). In PassMark, the Celeron 420 scores 425 against the Opteron 140's 428 — a 0.7% lead for the Opteron 140. Both processors carry 0 kB of L3 cache.

Feature	Celeron 420	Opteron 140
Cores / Threads	1 / 1	1 / 1
Boost Clock	1.6 GHz+14%	1.4 GHz
Base Clock	1.6 GHz	—
L3 Cache	0 kB	0 kB
L2 Cache	512 kB (total)	1 MB+100%
Process	65 nm-50%	130 nm
Architecture	Conroe-L (2007−2008)	SledgeHammer (2003−2005)
PassMark	425	428

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Memory & Platform

The Celeron 420 uses the LGA775 socket (PCIe 1.1), while the Opteron 140 uses 940 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Celeron 420	Opteron 140
Socket	LGA775	940
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR2-800	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—

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Advanced Features

Virtualization: No (Celeron 420) / not specified (Opteron 140). Primary use case: Celeron 420 targets Budget. Direct competitor: Celeron 420 rivals Pentium 4 2.80.