Celeron E1400 vs Core 2 Duo L7400

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 Core 2 Duo L7400 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 Core 2 Duo L7400: 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

Trade-offs

❌Worse for gaming: lower average FPS than Core 2 Duo L7400 across 50 shared CPU benchmark tests.
❌Lower PassMark (715 vs 765).
❌Launch MSRP is still $53 MSRP, while Core 2 Duo L7400 mostly shows up through inconsistent older-market listings.
❌282.4% higher power demand at 65W vs 17W.

Core 2 Duo L7400

2006

Why buy it

✅Better for gaming: +5.4% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 17W instead of 65W, a 48W reduction.

Trade-offs

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

Quick Answers

So, is Core 2 Duo L7400 better than Celeron E1400?

Yes. Core 2 Duo L7400 is the better all-around CPU here. It gives you a 5.4% average FPS lead across 50 shared CPU game tests in our data and 7% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core 2 Duo L7400 is the better pick. According to our tests, it delivers 5.4% 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, Core 2 Duo L7400 is the stronger fit. You are getting 7% better PassMark.

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

Core 2 Duo L7400 is still the much better call for a fresh build. Core 2 Duo L7400 comes in at an unclear MSRP at unclear MSRP versus $53 MSRP, and it still gives you a 5.4% average FPS lead across 50 shared CPU game tests in our data. Celeron E1400 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2008 platform. Even with 100.0% better value on paper (13.5 vs 0.0 PassMark/$), 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?

Celeron E1400 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2006). That makes it the safer long-term bet.

Celeron E1400 vs Core 2 Duo L7400 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.

Core 2 Duo L7400

The Core 2 Duo L7400 is manufactured by Intel. It was released in 2008-01-01. It has 2 cores. Base frequency: 1.5 GHz. L3 cache: 4 MB L2 Cache. Built on 65 nm process technology. Socket: BGA479. Thermal design power (TDP): 17 Watt. Passmark benchmark score: 765 points. Launch price was $249.

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Processing Power

Both the Celeron E1400 and Core 2 Duo L7400 share an identical 2-core/2-thread configuration. The Celeron E1400 is built on the Allendale (2006−2009) architecture. In PassMark, the Celeron E1400 scores 715 against the Core 2 Duo L7400's 765 — a 6.8% lead for the Core 2 Duo L7400. L3 cache: 0 kB on the Celeron E1400 vs 4 MB L2 Cache on the Core 2 Duo L7400.

Feature	Celeron E1400	Core 2 Duo L7400
Cores / Threads	2 / 2	2
Boost Clock	2 GHz	—
Base Clock	2 GHz+33%	1.5 GHz
L3 Cache	0 kB	4 MB L2 Cache
L2 Cache	512 kB (total)	—
Process	65 nm	65 nm
Architecture	Allendale (2006−2009)	—
PassMark	715	765+7%
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 Core 2 Duo L7400 uses BGA479 (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Celeron E1400	Core 2 Duo L7400
Socket	LGA775	BGA479
PCIe Generation	PCIe 1.1	PCIe 1.1
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 (Core 2 Duo L7400). Primary use case: Celeron E1400 targets Budget. Direct competitor: Celeron E1400 rivals Pentium E2180.