Core 2 Duo E4300 vs Pentium E5400

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 E4300 vs Pentium E5400 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 E4300 vs Pentium E5400: 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 E4300

2006

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (true), unlike Pentium E5400.

Trade-offs

❌Lower PassMark (1,005 vs 1,007).
❌Lower PassMark per dollar, at 8.9 vs 18.3 PassMark/$ ($113 MSRP vs $55 MSRP).

Pentium E5400

2009

Why buy it

✅Costs $58 less on MSRP ($55 MSRP vs $113 MSRP).
✅Delivers 105.9% more PassMark for each dollar spent, at 18.3 vs 8.9 PassMark/$ ($55 MSRP vs $113 MSRP).

Trade-offs

❌No boxed cooler included, unlike Core 2 Duo E4300.

Quick Answers

So, is Pentium E5400 better than Core 2 Duo E4300?

Yes. Pentium E5400 is the better all-around CPU here. It gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data, 0.2% 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 E5400 is the better pick. According to our tests, it delivers 0.2% 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 E5400 is the stronger fit. You are getting 0.2% better PassMark, backed by 2 cores and 2 threads.

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

Pentium E5400 is the better buy right now. Pentium E5400 comes in $58 cheaper on MSRP at $55 MSRP versus $113 MSRP, and it still gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data. It is also 105.9% better value on MSRP (18.3 vs 8.9 PassMark/$), 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 E5400 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2006) and more multi-core headroom with 2 cores / 2 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core 2 Duo E4300 vs Pentium E5400 Technical Specifications

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

Core 2 Duo E4300

The Core 2 Duo E4300 is manufactured by Intel. It was released in 2008-01-01. It is based on the Allendale (2006−2009) architecture. It features 2 cores and 2 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,005 points. Launch price was $249.

Pentium E5400

The Pentium E5400 is manufactured by Intel. It was released in 18 January 2009 (16 years ago). It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,007 points. Launch price was $55.

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Processing Power

Both the Core 2 Duo E4300 and Pentium E5400 share an identical 2-core/2-thread configuration. Boost clocks reach 1.8 GHz on the Core 2 Duo E4300 versus 2.7 GHz on the Pentium E5400 — a 40% clock advantage for the Pentium E5400 (base: 1.8 GHz vs 2.7 GHz). The Core 2 Duo E4300 uses the Allendale (2006−2009) architecture (65 nm), while the Pentium E5400 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Core 2 Duo E4300 scores 1,005 against the Pentium E5400's 1,007 — a 0.2% lead for the Pentium E5400. Both processors carry 0 kB of L3 cache.

Feature	Core 2 Duo E4300	Pentium E5400
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.8 GHz	2.7 GHz+50%
Base Clock	1.8 GHz	2.7 GHz+50%
L3 Cache	0 kB	0 kB
L2 Cache	2 MB	2 MB (total)
Process	65 nm	45 nm-31%
Architecture	Allendale (2006−2009)	Wolfdale (2008−2010)
PassMark	1,005	1,007

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Memory & Platform

Both processors use the LGA775 socket with PCIe 1.1.

Feature	Core 2 Duo E4300	Pentium E5400
Socket	LGA775	LGA775
PCIe Generation	PCIe 1.1	PCIe 1.1
Max RAM Speed	800	—
Max RAM Capacity	16	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: false (Core 2 Duo E4300) / not specified (Pentium E5400). Direct competitor: Core 2 Duo E4300 rivals Athlon 64 X2 3800+.

Feature	Core 2 Duo E4300	Pentium E5400
Integrated GPU	No	—
IGPU Model	None	—
Unlocked	No	—
AVX-512	No	—
Virtualization	false	—

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Value Analysis

At launch, the Core 2 Duo E4300 was priced at $113, while the Pentium E5400 came in at $55. On launch pricing ($113 vs $55), Pentium E5400 was $58 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 2 Duo E4300 delivers 8.9 pts/$ vs 18.3 pts/$ for the Pentium E5400 — making the Pentium E5400 the 69.2% better value option.

Feature	Core 2 Duo E4300	Pentium E5400
MSRP	$113	$55-51%
Performance per Dollar	8.9	18.3+106%
Release Date	2006	2009

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