Athlon II Neo K325 vs Core 2 Duo E4400

Athlon II Neo K325 vs Core 2 Duo E4400 Performance Spectrum

Athlon II Neo K325

2 / 2

1,111

+1.5%

Mobile Athlon 64 3700+

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core 2 Duo E4400

2 / 2

1,095

0.0%

About PassMark

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.

Athlon II Neo K325 vs Core 2 Duo E4400 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.

Athlon II Neo K325 vs Core 2 Duo E4400: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Athlon II Neo K325

2010

Why buy it

✅Better for gaming: +3.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $53 less on MSRP ($60 MSRP vs $113 MSRP).
✅Delivers 91.1% more PassMark for each dollar spent, at 18.5 vs 9.7 PassMark/$ ($60 MSRP vs $113 MSRP).
✅Draws 1W instead of 65W, a 64W reduction.

Trade-offs

❌No boxed cooler included, unlike Core 2 Duo E4400.

Core 2 Duo E4400

2007

Why buy it

✅Includes a boxed cooler (Yes), unlike Athlon II Neo K325.

Trade-offs

❌Worse for gaming: lower average FPS than Athlon II Neo K325 across 50 shared CPU benchmark tests.
❌Lower PassMark (1,095 vs 1,111).
❌Lower PassMark per dollar, at 9.7 vs 18.5 PassMark/$ ($113 MSRP vs $60 MSRP).
❌6400% higher power demand at 65W vs 1W.

Quick Answers

So, is Athlon II Neo K325 better than Core 2 Duo E4400?

Yes. Athlon II Neo K325 is the better all-around CPU here. It gives you a 3.6% average FPS lead across 50 shared CPU game tests in our data, 1.5% 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, Athlon II Neo K325 is the better pick. According to our tests, it delivers 3.6% 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, Athlon II Neo K325 is the stronger fit. You are getting 1.5% better PassMark, backed by 2 cores and 2 threads.

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

Athlon II Neo K325 is the better buy right now. Athlon II Neo K325 comes in $53 cheaper on MSRP at $60 MSRP versus $113 MSRP, and it still gives you a 3.6% average FPS lead across 50 shared CPU game tests in our data. It is also 91.1% better value on MSRP (18.5 vs 9.7 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Athlon II Neo K325 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2007) 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.

Athlon II Neo K325 vs Core 2 Duo E4400 Technical Specifications

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

Athlon II Neo K325

The Athlon II Neo K325 is manufactured by AMD. It was released in 2009-01-01. It is based on the Geneva (2010) architecture. It features 2 cores and 2 threads. Max frequency: 1.3 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Memory support: DDR3. Passmark benchmark score: 1,111 points. Launch price was $149.

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.

⚡

Processing Power

Both the Athlon II Neo K325 and Core 2 Duo E4400 share an identical 2-core/2-thread configuration. Boost clocks reach 1.3 GHz on the Athlon II Neo K325 versus 2 GHz on the Core 2 Duo E4400 — a 42.4% clock advantage for the Core 2 Duo E4400. The Athlon II Neo K325 uses the Geneva (2010) architecture (45 nm), while the Core 2 Duo E4400 uses Allendale (2006−2009) (65 nm). In PassMark, the Athlon II Neo K325 scores 1,111 against the Core 2 Duo E4400's 1,095 — a 1.5% lead for the Athlon II Neo K325. Geekbench 6 single-core — the metric most relevant to gaming — records 736 vs 208, a 111.9% lead for the Athlon II Neo K325 that directly translates to higher frame rates.

Feature	Athlon II Neo K325	Core 2 Duo E4400
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.3 GHz	2 GHz+54%
Base Clock	—	2 GHz
L3 Cache	—	0 kB
L2 Cache	1 MB	2 MB+100%
Process	45 nm-31%	65 nm
Architecture	Geneva (2010)	Allendale (2006−2009)
PassMark	1,111+1%	1,095
Geekbench 6 Single	736+254%	208
Geekbench 6 Multi	1,235	—

🧠

Memory & Platform

The Athlon II Neo K325 uses the S1 socket (PCIe 2.0), while the Core 2 Duo E4400 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-800 on the Athlon II Neo K325 versus DDR2-1066 on the Core 2 Duo E4400 — the Core 2 Duo E4400 supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core 2 Duo E4400 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 0 PCIe lanes. Chipset compatibility: M880G (Athlon II Neo K325) and RS600,Q965 (Core 2 Duo E4400).

Feature	Athlon II Neo K325	Core 2 Duo E4400
Socket	S1	LGA775
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR3-800	DDR2-1066+33%
Max RAM Capacity	8 GB	16 GB+100%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	0

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: AMD-V (Athlon II Neo K325) vs None (Core 2 Duo E4400). Primary use case: Athlon II Neo K325 targets Low Power, Core 2 Duo E4400 targets Budget. Direct competitor: Core 2 Duo E4400 rivals Athlon II X2 240.

Feature	Athlon II Neo K325	Core 2 Duo E4400
Integrated GPU	No	No
Unlocked	No	No
AVX-512	No	No
Virtualization	AMD-V	None
Target Use	Low Power	Budget

💰

Value Analysis

At launch, the Athlon II Neo K325 was priced at $60, while the Core 2 Duo E4400 came in at $113. On launch pricing ($60 vs $113), Athlon II Neo K325 was $53 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II Neo K325 delivers 18.5 pts/$ vs 9.7 pts/$ for the Core 2 Duo E4400 — making the Athlon II Neo K325 the 62.6% better value option.

Feature	Athlon II Neo K325	Core 2 Duo E4400
MSRP	$60-47%	$113
Performance per Dollar	18.5+91%	9.7
Release Date	2010	2007

Search Athlon II Neo K325 on Amazon

Search Core 2 Duo E4400 on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.