Celeron E1400 vs Opteron 254

Celeron E1400 vs Opteron 254 Performance Spectrum

Celeron E1400

2 / 2

715

+3.6%

Mobile Pentium 4 2.66

690

0.0%

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 E1400 vs Opteron 254 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 E1400 vs Opteron 254: Pros, Cons & Final Verdict

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

Celeron E1400

2008

Why buy it

✅Better for gaming: +6.0% higher average FPS across 39 shared CPU benchmark tests.
✅Draws 65W instead of 92W, a 27W reduction.

Trade-offs

❌Launch MSRP is still $53 MSRP, while Opteron 254 mostly shows up through inconsistent older-market listings.

Opteron 254

2005

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Celeron E1400 across 39 shared CPU benchmark tests.
❌Lower PassMark (690 vs 715).
❌41.5% higher power demand at 92W vs 65W.

Quick Answers

So, is Celeron E1400 better than Opteron 254?

Not really, because they are built for different jobs. Opteron 254 makes more sense for workstation-style multi-core throughput, while Celeron E1400 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Celeron E1400 is the better pick. According to our tests, it delivers 6.0% 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 E1400 is the stronger fit. You are getting 3.6% better PassMark, backed by 2 cores and 2 threads.

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

Celeron E1400 is the better buy right now. Celeron E1400 comes in at an unclear MSRP at $53 MSRP versus unclear MSRP, and it still gives you a 6.0% average FPS lead across 39 shared CPU game tests in our data. It is also 100.0% better value on MSRP (13.5 vs 0.0 PassMark/$), 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 E1400 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2005) and more multi-core headroom with 2 cores / 2 threads instead of 1/1. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Celeron E1400 vs Opteron 254 Technical Specifications

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

Celeron E1400

The Celeron E1400 is manufactured by Intel. It was released in 20 April 2008 (17 years ago). It is based on the Allendale (2006−2009) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 512 kB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 715 points. Launch price was $57.

Opteron 254

The Opteron 254 is manufactured by AMD. It was released in 2015-01-01. It is based on the Troy (2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.8 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 90 nm process technology. Socket: 940. Thermal design power (TDP): 92 Watt. Passmark benchmark score: 690 points. Launch price was $800.

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Processing Power

The Celeron E1400 packs 2 cores / 2 threads, while the Opteron 254 offers 1 cores / 1 threads — the Celeron E1400 has 1 more core. Boost clocks reach 2 GHz on the Celeron E1400 versus 2.8 GHz on the Opteron 254 — a 33.3% clock advantage for the Opteron 254. The Celeron E1400 uses the Allendale (2006−2009) architecture (65 nm), while the Opteron 254 uses Troy (2005) (90 nm). In PassMark, the Celeron E1400 scores 715 against the Opteron 254's 690 — a 3.6% lead for the Celeron E1400. Both processors carry 0 kB of L3 cache.

Feature	Celeron E1400	Opteron 254
Cores / Threads	2 / 2+100%	1 / 1
Boost Clock	2 GHz	2.8 GHz+40%
Base Clock	2 GHz	—
L3 Cache	0 kB	0 kB
L2 Cache	512 kB (total)	1 MB+100%
Process	65 nm-28%	90 nm
Architecture	Allendale (2006−2009)	Troy (2005)
PassMark	715+4%	690
Geekbench 6 Single	260	—
Geekbench 6 Multi	470	—

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Memory & Platform

The Celeron E1400 uses the LGA775 socket (PCIe 1.1), while the Opteron 254 uses 940 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Celeron E1400	Opteron 254
Socket	LGA775	940
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR2-800	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—

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Advanced Features

Virtualization: No (Celeron E1400) / not specified (Opteron 254). Primary use case: Celeron E1400 targets Budget. Direct competitor: Celeron E1400 rivals Pentium E2180.