Core 2 Duo E4400 vs Core 2 Duo E8335

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 E4400 vs Core 2 Duo E8335 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 E4400 vs Core 2 Duo E8335: 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 E4400

2007

Why buy it

✅Costs $87 less on MSRP ($113 MSRP vs $200 MSRP).
✅Delivers 77.2% more PassMark for each dollar spent, at 9.7 vs 5.5 PassMark/$ ($113 MSRP vs $200 MSRP).
✅Includes a boxed cooler (Yes), unlike Core 2 Duo E8335.

Trade-offs

❌47.7% higher power demand at 65W vs 44W.

Core 2 Duo E8335

2009

Why buy it

✅Draws 44W instead of 65W, a 21W reduction.

Trade-offs

❌Lower PassMark (1,094 vs 1,095).
❌Lower PassMark per dollar, at 5.5 vs 9.7 PassMark/$ ($200 MSRP vs $113 MSRP).
❌No boxed cooler included, unlike Core 2 Duo E4400.

Quick Answers

So, is Core 2 Duo E4400 better than Core 2 Duo E8335?

Yes. Core 2 Duo E4400 is the better all-around CPU here. It gives you 0.1% 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 E4400 has the edge because it leads the single-thread side of this matchup with 115.1% higher max boost clock.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core 2 Duo E4400 is the stronger fit. You are getting 0.1% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo E4400 is the better buy right now. Core 2 Duo E4400 comes in $87 cheaper on MSRP at $113 MSRP versus $200 MSRP, and it still gives you 0.1% higher PassMark. It is also 77.2% better value on MSRP (9.7 vs 5.5 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core 2 Duo E8335 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2007). That makes it the safer long-term bet.

Core 2 Duo E4400 vs Core 2 Duo E8335 Technical Specifications

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

Core 2 Duo E4400

The Core 2 Duo E4400 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 2 GHz, with boost up to 2 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: 1,095 points. Launch price was $249.

Core 2 Duo E8335

The Core 2 Duo E8335 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.933 GHz, with boost up to 0.93 GHz. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,094 points. Launch price was $249.

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Processing Power

Both the Core 2 Duo E4400 and Core 2 Duo E8335 share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Core 2 Duo E4400 versus 0.93 GHz on the Core 2 Duo E8335 — a 73% clock advantage for the Core 2 Duo E4400 (base: 2 GHz vs 2.933 GHz). The Core 2 Duo E4400 uses the Allendale (2006−2009) architecture (65 nm), while the Core 2 Duo E8335 uses Penryn (2008−2011) (45 nm). In PassMark, the Core 2 Duo E4400 scores 1,095 against the Core 2 Duo E8335's 1,094 — a 0.1% lead for the Core 2 Duo E4400.

Feature	Core 2 Duo E4400	Core 2 Duo E8335
Cores / Threads	2 / 2	2 / 2
Boost Clock	2 GHz+115%	0.93 GHz
Base Clock	2 GHz	2.933 GHz+47%
L3 Cache	0 kB	—
L2 Cache	2 MB	6 MB (total)+200%
Process	65 nm	45 nm-31%
Architecture	Allendale (2006−2009)	Penryn (2008−2011)
PassMark	1,095	1,094
Geekbench 6 Single	208	—

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Memory & Platform

The Core 2 Duo E4400 uses the LGA775 socket (PCIe 1.1), while the Core 2 Duo E8335 uses P (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Core 2 Duo E4400	Core 2 Duo E8335
Socket	LGA775	P
PCIe Generation	PCIe 1.1	PCIe 1.1
Max RAM Speed	DDR2-1066	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—

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Advanced Features

Virtualization: None (Core 2 Duo E4400) / not specified (Core 2 Duo E8335). Primary use case: Core 2 Duo E4400 targets Budget. Direct competitor: Core 2 Duo E4400 rivals Athlon II X2 240.

Feature	Core 2 Duo E4400	Core 2 Duo E8335
Integrated GPU	No	—
Unlocked	No	—
AVX-512	No	—
Virtualization	None	—
Target Use	Budget	—

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Value Analysis

At launch, the Core 2 Duo E4400 was priced at $113, while the Core 2 Duo E8335 came in at $200. On launch pricing ($113 vs $200), Core 2 Duo E4400 was $87 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 2 Duo E4400 delivers 9.7 pts/$ vs 5.5 pts/$ for the Core 2 Duo E8335 — making the Core 2 Duo E4400 the 55.7% better value option.

Feature	Core 2 Duo E4400	Core 2 Duo E8335
MSRP	$113-44%	$200
Performance per Dollar	9.7+76%	5.5
Release Date	2007	2009

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