Core 2 Duo E6540 vs Pentium 4405Y

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 E6540 vs Pentium 4405Y 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 E6540 vs Pentium 4405Y: 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 E6540

2007

Why buy it

✅Better for gaming: +6.8% higher average FPS across 20 shared CPU benchmark tests.
✅+100% larger total L3 cache (4 MB vs 2 MB).
✅Draws 65W instead of 512W, a 447W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (true), unlike Pentium 4405Y.

Trade-offs

❌Launch MSRP is still $163 MSRP, while Pentium 4405Y mostly shows up through inconsistent older-market listings.

Pentium 4405Y

2015

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Core 2 Duo E6540 across 20 shared CPU benchmark tests.
❌Lower PassMark (1,490 vs 1,495).
❌Smaller total L3 cache (2 MB vs 4 MB).
❌687.7% higher power demand at 512W vs 65W.
❌No boxed cooler included, unlike Core 2 Duo E6540.

Quick Answers

So, is Core 2 Duo E6540 better than Pentium 4405Y?

Yes. Core 2 Duo E6540 is the better all-around CPU here. It gives you a 6.8% average FPS lead across 20 shared CPU game tests in our data and 0.3% 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 E6540 is the better pick. According to our tests, it delivers 6.8% more average FPS across 20 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 E6540 is the stronger fit. You are getting 0.3% better PassMark. It also has the larger cache pool with 100% larger total L3 cache (4 MB vs 2 MB).

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

Core 2 Duo E6540 is the better buy right now. Core 2 Duo E6540 comes in at an unclear MSRP at $163 MSRP versus unclear MSRP, and it still gives you a 6.8% average FPS lead across 20 shared CPU game tests in our data. It is also 100.0% better value on MSRP (9.2 vs 0.0 PassMark/$), 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 4405Y makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2007). That makes it the safer long-term bet.

Core 2 Duo E6540 vs Pentium 4405Y Technical Specifications

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

Core 2 Duo E6540

The Core 2 Duo E6540 is manufactured by Intel. It was released in 2008-01-01. It has 2 cores. Base frequency: 2.33 GHz. L3 cache: 4 MB L2 Cache. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Passmark benchmark score: 1,495 points. Launch price was $249.

Pentium 4405Y

The Pentium 4405Y is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: FCBGA1515. Thermal design power (TDP): 6 Watt. Memory support: DDR3. Passmark benchmark score: 1,490 points. Launch price was $161.

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Processing Power

The Core 2 Duo E6540 packs 2 cores / 2 threads, matching the Pentium 4405Y's 2 cores. The Pentium 4405Y is built on the NetBurst (2000−2006) architecture. In PassMark, the Core 2 Duo E6540 scores 1,495 against the Pentium 4405Y's 1,490 — a 0.3% lead for the Core 2 Duo E6540. L3 cache: 4 MB L2 Cache on the Core 2 Duo E6540 vs 2 MB on the Pentium 4405Y.

Feature	Core 2 Duo E6540	Pentium 4405Y
Cores / Threads	2	2 / 4
Boost Clock	—	1.5 GHz
Base Clock	2.33 GHz+55%	1.5 GHz
L3 Cache	4 MB L2 Cache+100%	2 MB
L2 Cache	—	512 kB
Process	65 nm	14 nm-78%
Architecture	—	NetBurst (2000−2006)
PassMark	1,495	1,490

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Memory & Platform

The Core 2 Duo E6540 uses the LGA775 socket (PCIe 1.1), while the Pentium 4405Y uses FCBGA1515 (PCIe 3.0) — making them incompatible on the same motherboard.