Core 2 Duo E7500 vs Core 2 Duo E8400

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 E7500 vs Core 2 Duo E8400 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 E7500 vs Core 2 Duo E8400: 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 E7500

2009

Why buy it

Trade-offs

❌Lower PassMark (1,157 vs 1,165).
❌Launch MSRP is still $113 MSRP, while Core 2 Duo E8400 mostly shows up through inconsistent older-market listings.

Core 2 Duo E8400

2008

Why buy it

Trade-offs

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

Quick Answers

So, is Core 2 Duo E8400 better than Core 2 Duo E7500?

Yes. Core 2 Duo E8400 is the better all-around CPU here. It gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data and 0.7% 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 E8400 is the better pick. According to our tests, it delivers 0.1% 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, Core 2 Duo E8400 is the stronger fit. You are getting 0.7% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo E8400 is still the much better call for a fresh build. Core 2 Duo E8400 comes in at an unclear MSRP at unclear MSRP versus $113 MSRP, and it still gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data. Core 2 Duo E7500 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2009 platform. Even with 100.0% better value on paper (10.2 vs 0.0 PassMark/$), 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 E7500 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2008). That makes it the safer long-term bet.

Core 2 Duo E7500 vs Core 2 Duo E8400 Technical Specifications

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

Core 2 Duo E7500

The Core 2 Duo E7500 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 2.93 GHz, with boost up to 0.93 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: 1,157 points. Launch price was $249.

Core 2 Duo E8400

The Core 2 Duo E8400 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 3 GHz, with boost up to 3 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: 1,165 points. Launch price was $249.

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Processing Power

Both the Core 2 Duo E7500 and Core 2 Duo E8400 share an identical 2-core/2-thread configuration. Boost clocks reach 0.93 GHz on the Core 2 Duo E7500 versus 3 GHz on the Core 2 Duo E8400 — a 105.3% clock advantage for the Core 2 Duo E8400 (base: 2.93 GHz vs 3 GHz). Both are built on the Wolfdale (2008−2010) architecture using a 45 nm process. In PassMark, the Core 2 Duo E7500 scores 1,157 against the Core 2 Duo E8400's 1,165 — a 0.7% lead for the Core 2 Duo E8400. Both processors carry 0 kB of L3 cache.

Feature	Core 2 Duo E7500	Core 2 Duo E8400
Cores / Threads	2 / 2	2 / 2
Boost Clock	0.93 GHz	3 GHz+223%
Base Clock	2.93 GHz	3 GHz+2%
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	1,157	1,165

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Memory & Platform

Both processors use the LGA775 socket with PCIe 1.1. Maximum memory speed reaches DDR3-1066 on the Core 2 Duo E7500 versus 1333 on the Core 2 Duo E8400 — the Core 2 Duo E8400 supports 25% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core 2 Duo E8400 supports up to 16 GB of RAM compared to 8 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: G31,P35,G41 (Core 2 Duo E7500) and P35,G31,G33,P45 (Core 2 Duo E8400).

Feature	Core 2 Duo E7500	Core 2 Duo E8400
Socket	LGA775	LGA775
PCIe Generation	PCIe 1.1	PCIe 1.1
Max RAM Speed	DDR3-1066	1333+25%
Max RAM Capacity	8 GB	16 GB+100%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Neither processor supports overclocking. Virtualization support: None (Core 2 Duo E7500) vs true (Core 2 Duo E8400). Direct competitor: Core 2 Duo E8400 rivals Phenom II X2 550.