Core 2 Duo L7400 vs Pentium Dual-Core E2140

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.

Core 2 Duo L7400 vs Pentium Dual-Core E2140 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.

Core 2 Duo L7400 vs Pentium Dual-Core E2140: Pros, Cons & Final Verdict

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

Core 2 Duo L7400

2006

Why buy it

✅Draws 17W instead of 65W, a 48W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Pentium Dual-Core E2140 across 50 shared CPU benchmark tests.
❌Lower PassMark (765 vs 815).

Pentium Dual-Core E2140

2007

Why buy it

✅Better for gaming: +5.2% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Launch MSRP is still $74 MSRP, while Core 2 Duo L7400 mostly shows up through inconsistent older-market listings.
❌282.4% higher power demand at 65W vs 17W.

Quick Answers

So, is Pentium Dual-Core E2140 better than Core 2 Duo L7400?

Yes. Pentium Dual-Core E2140 is the better all-around CPU here. It gives you a 5.2% average FPS lead across 50 shared CPU game tests in our data, 6.5% 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, Pentium Dual-Core E2140 is the better pick. According to our tests, it delivers 5.2% 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, Pentium Dual-Core E2140 is the stronger fit. You are getting 6.5% better PassMark, backed by 2 cores and 2 threads.

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

Pentium Dual-Core E2140 is the better buy right now. Pentium Dual-Core E2140 comes in at an unclear MSRP at $74 MSRP versus unclear MSRP, and it still gives you a 5.2% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (11.0 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Pentium Dual-Core E2140 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2007 vs 2006) and more multi-core headroom with 2 cores / 2 threads instead of 2/0. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core 2 Duo L7400 vs Pentium Dual-Core E2140 Technical Specifications

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

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.

Pentium Dual-Core E2140

The Pentium Dual-Core E2140 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 1 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 815 points. Launch price was $69.

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Processing Power

Both the Core 2 Duo L7400 and Pentium Dual-Core E2140 share an identical 2-core/2-thread configuration. The Pentium Dual-Core E2140 is built on the NetBurst (2000−2006) architecture. In PassMark, the Core 2 Duo L7400 scores 765 against the Pentium Dual-Core E2140's 815 — a 6.3% lead for the Pentium Dual-Core E2140. L3 cache: 4 MB L2 Cache on the Core 2 Duo L7400 vs 0 kB on the Pentium Dual-Core E2140.

Feature	Core 2 Duo L7400	Pentium Dual-Core E2140
Cores / Threads	2	2 / 2
Boost Clock	—	1.6 GHz
Base Clock	1.5 GHz	—
L3 Cache	4 MB L2 Cache	0 kB
L2 Cache	—	1 MB (total)
Process	65 nm	65 nm
Architecture	—	NetBurst (2000−2006)
PassMark	765	815+7%

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Memory & Platform

The Core 2 Duo L7400 uses the BGA479 socket (PCIe 1.1), while the Pentium Dual-Core E2140 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.