Celeron Dual-Core T1400 vs Xeon L3426

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 Dual-Core T1400 vs Xeon L3426 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 Dual-Core T1400 vs Xeon L3426: Pros, Cons & Final Verdict

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

Celeron Dual-Core T1400

2008

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Xeon L3426 across 50 shared CPU benchmark tests.
❌Lower PassMark (2,725 vs 2,742).
❌Less compelling for workstation-style loads than Xeon L3426, which brings 4 cores / 8 threads.
❌Launch MSRP is still $80 MSRP, while Xeon L3426 mostly shows up through inconsistent older-market listings.
❌1037.8% higher power demand at 512W vs 45W.

Xeon L3426

2009

Why buy it

✅Better for gaming: +7.9% higher average FPS across 50 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.
✅Draws 45W instead of 512W, a 467W reduction.

Trade-offs

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

Quick Answers

So, is Xeon L3426 better than Celeron Dual-Core T1400?

Not really, because they are built for different jobs. Xeon L3426 makes more sense for workstation-style multi-core throughput, while Celeron Dual-Core T1400 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon L3426 is the better pick. According to our tests, it delivers 7.9% 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, Xeon L3426 is the stronger fit. You are getting 0.6% better PassMark, backed by 4 cores and 8 threads.

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

Xeon L3426 is still the much better call for a fresh build. Xeon L3426 comes in at an unclear MSRP at unclear MSRP versus $80 MSRP, and it still gives you a 7.9% average FPS lead across 50 shared CPU game tests in our data. Celeron Dual-Core T1400 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2008 platform. Even with 100.0% better value on paper (34.1 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on P.

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

Xeon L3426 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 4 cores / 8 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Celeron Dual-Core T1400 vs Xeon L3426 Technical Specifications

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

Celeron Dual-Core T1400

The Celeron Dual-Core T1400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Merom-2M (2008) architecture. It features 2 cores and 2 threads. Max frequency: 1.73 GHz. L2 cache: 512 kB. Built on 65 nm process technology. Socket: P. Thermal design power (TDP): 512 kB. Passmark benchmark score: 2,725 points. Launch price was $69.

Xeon L3426

The Xeon L3426 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 1.86 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on 45 nm process technology. Socket: LGA1156. Thermal design power (TDP): 45 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333. Passmark benchmark score: 2,742 points. Launch price was $800.

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Processing Power

The Celeron Dual-Core T1400 packs 2 cores / 2 threads, while the Xeon L3426 offers 4 cores / 8 threads — the Xeon L3426 has 2 more cores. Boost clocks reach 1.73 GHz on the Celeron Dual-Core T1400 versus 3.2 GHz on the Xeon L3426 — a 59.6% clock advantage for the Xeon L3426. The Celeron Dual-Core T1400 is built on the Merom-2M (2008) architecture. In PassMark, the Celeron Dual-Core T1400 scores 2,725 against the Xeon L3426's 2,742 — a 0.6% lead for the Xeon L3426.

Feature	Celeron Dual-Core T1400	Xeon L3426
Cores / Threads	2 / 2	4 / 8+100%
Boost Clock	1.73 GHz	3.2 GHz+85%
Base Clock	—	1.86 GHz
L3 Cache	—	8 MB Intel® Smart Cache
L2 Cache	512 kB	—
Process	65 nm	45 nm-31%
Architecture	Merom-2M (2008)	—
PassMark	2,725	2,742

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Memory & Platform

The Celeron Dual-Core T1400 uses the P socket (PCIe 1.1), while the Xeon L3426 uses LGA1156 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Celeron Dual-Core T1400	Xeon L3426
Socket	P	LGA1156
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR2-667	—
Max RAM Capacity	4 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—

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Advanced Features

Virtualization: No (Celeron Dual-Core T1400) / not specified (Xeon L3426). Primary use case: Celeron Dual-Core T1400 targets Budget. Direct competitor: Celeron Dual-Core T1400 rivals Pentium T2370.