Core 2 Duo E7400 vs Core 2 Duo E8300

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 E7400 vs Core 2 Duo E8300 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 E7400 vs Core 2 Duo E8300: 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 E7400

2008

Why buy it

✅+0.4% higher PassMark.

Trade-offs

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

Core 2 Duo E8300

2008

Why buy it

Trade-offs

❌Lower PassMark (1,039 vs 1,043).
❌Launch MSRP is still $163 MSRP, while Core 2 Duo E7400 mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Core 2 Duo E7400 better than Core 2 Duo E8300?

It depends on what you want from the system. For gaming, Core 2 Duo E8300 is ahead with a 0.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo E7400 pulls ahead with 0.4% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core 2 Duo E7400 is the stronger fit. You are getting 0.4% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo E7400 is still the much better call for a fresh build. Core 2 Duo E7400 comes in at an unclear MSRP at unclear MSRP versus $163 MSRP, and it still gives you 0.4% better PassMark. Core 2 Duo E8300 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2008 platform. Even with 100.0% better value on paper (6.4 vs 0.0 PassMark/$), 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?

Core 2 Duo E7400 makes more sense long term for 2026 and beyond. You are getting 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 E7400 vs Core 2 Duo E8300 Technical Specifications

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

Core 2 Duo E7400

The Core 2 Duo E7400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 3 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,043 points. Launch price was $249.

Core 2 Duo E8300

The Core 2 Duo E8300 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.83 GHz, with boost up to 2.83 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,039 points. Launch price was $249.

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Processing Power

Both the Core 2 Duo E7400 and Core 2 Duo E8300 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Core 2 Duo E7400 versus 2.83 GHz on the Core 2 Duo E8300 — a 1.1% clock advantage for the Core 2 Duo E8300 (base: 2.8 GHz vs 2.83 GHz). Both are built on the Wolfdale (2008−2010) architecture using a 45 nm process. In PassMark, the Core 2 Duo E7400 scores 1,043 against the Core 2 Duo E8300's 1,039 — a 0.4% lead for the Core 2 Duo E7400. Both processors carry 0 kB of L3 cache.

Feature	Core 2 Duo E7400	Core 2 Duo E8300
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.8 GHz	2.83 GHz+1%
Base Clock	2.8 GHz	2.83 GHz+1%
L3 Cache	0 kB	0 kB
L2 Cache	3 MB (total)	6 MB (total)+100%
Process	45 nm	45 nm
Architecture	Wolfdale (2008−2010)	Wolfdale (2008−2010)
PassMark	1,043	1,039
Cinebench R23 Multi	—	1,000
Geekbench 6 Single	—	345
Geekbench 6 Multi	—	771

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Memory & Platform

Both processors use the LGA775 socket with PCIe 1.1. Maximum memory speed reaches 1066 on the Core 2 Duo E7400 versus DDR3-1333 on the Core 2 Duo E8300 — the Core 2 Duo E8300 supports 25% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 16 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E7400) and P35,P45,G33,G31 (Core 2 Duo E8300).

Feature	Core 2 Duo E7400	Core 2 Duo E8300
Socket	LGA775	LGA775
PCIe Generation	PCIe 1.1	PCIe 1.1
Max RAM Speed	1066	DDR3-1333+25%
Max RAM Capacity	16 GB	16 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Neither processor supports overclocking. Virtualization support: true (Core 2 Duo E7400) vs VT-x (Core 2 Duo E8300). Primary use case: Core 2 Duo E8300 targets Budget. Direct competitor: Core 2 Duo E7400 rivals Athlon II X2 245.