Athlon II Neo K125 vs Core Duo T2400

Athlon II Neo K125 vs Core Duo T2400 Performance Spectrum

Athlon II Neo K125

1 / 1

1,491

+0.2%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core Duo T2400

2 / 2

1,488

0.0%

Celeron J1800

Pentium Dual-Core E2200

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 K125 vs Core Duo T2400 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 K125 vs Core Duo T2400: 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 K125

2010

Why buy it

✅+0.2% higher PassMark.
✅Costs $194 less on MSRP ($100 MSRP vs $294 MSRP).
✅Delivers 194.6% more PassMark for each dollar spent, at 14.9 vs 5.1 PassMark/$ ($100 MSRP vs $294 MSRP).
✅Draws 1W instead of 2W, a 1W reduction.

Trade-offs

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

Core Duo T2400

2006

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (1,488 vs 1,491).
❌Lower PassMark per dollar, at 5.1 vs 14.9 PassMark/$ ($294 MSRP vs $100 MSRP).
❌100% higher power demand at 2W vs 1W.

Quick Answers

So, is Athlon II Neo K125 better than Core Duo T2400?

It depends on what you want from the system. For gaming, Core Duo T2400 is ahead with a 0.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Athlon II Neo K125 pulls ahead with 0.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Athlon II Neo K125 is the stronger fit. You are getting 0.2% better PassMark, backed by 1 cores and 1 threads.

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

Athlon II Neo K125 is the better buy right now. Athlon II Neo K125 comes in $194 cheaper on MSRP at $100 MSRP versus $294 MSRP, and it still gives you 0.2% better PassMark. The compromise is that Core Duo T2400 is still the better pure gaming CPU with a 0.7% average FPS lead across 50 shared CPU game tests in our data. It is also 194.6% better value on MSRP (14.9 vs 5.1 PassMark/$), 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 K125 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2006) and more multi-core headroom with 1 cores / 1 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 K125 vs Core Duo T2400 Technical Specifications

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

Athlon II Neo K125

The Athlon II Neo K125 is manufactured by AMD. It was released in 2009-01-01. It is based on the Geneva (2010) architecture. It features 1 cores and 1 threads. Max frequency: 1.7 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: 1,491 points. Launch price was $149.

Core Duo T2400

The Core Duo T2400 is manufactured by Intel. It was released in Janeiro 2006 (19 years ago). It is based on the Yonah (2005−2006) architecture. It features 2 cores and 2 threads. Base frequency is 1.83 GHz, with boost up to 1.83 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 31 Watt. Memory support: DDR1. Passmark benchmark score: 1,488 points. Launch price was $16.

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Processing Power

The Athlon II Neo K125 packs 1 cores / 1 threads, while the Core Duo T2400 offers 2 cores / 2 threads — the Core Duo T2400 has 1 more core. Boost clocks reach 1.7 GHz on the Athlon II Neo K125 versus 1.83 GHz on the Core Duo T2400 — a 7.4% clock advantage for the Core Duo T2400. The Athlon II Neo K125 uses the Geneva (2010) architecture (45 nm), while the Core Duo T2400 uses Yonah (2005−2006) (65 nm). In PassMark, the Athlon II Neo K125 scores 1,491 against the Core Duo T2400's 1,488 — a 0.2% lead for the Athlon II Neo K125.

Feature	Athlon II Neo K125	Core Duo T2400
Cores / Threads	1 / 1	2 / 2+100%
Boost Clock	1.7 GHz	1.83 GHz+8%
Base Clock	—	1.83 GHz
L3 Cache	—	0 kB
L2 Cache	1 MB	2 MB+100%
Process	45 nm-31%	65 nm
Architecture	Geneva (2010)	Yonah (2005−2006)
PassMark	1,491	1,488

🧠

Memory & Platform

The Athlon II Neo K125 uses the S1 socket (PCIe 2.0), while the Core Duo T2400 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-800 on the Athlon II Neo K125 versus DDR2-667 on the Core Duo T2400 — the Athlon II Neo K125 supports 19.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II Neo K125) vs 16 (Core Duo T2400) — the Core Duo T2400 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD ASB2 (Athlon II Neo K125) and 945GM,945PM (Core Duo T2400).

Feature	Athlon II Neo K125	Core Duo T2400
Socket	S1	PGA478
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR3-800+20%	DDR2-667
Max RAM Capacity	4 GB	4 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	16

🔧

Advanced Features

Virtualization: not specified (Athlon II Neo K125) / VT-x (Core Duo T2400). Primary use case: Core Duo T2400 targets Budget. Direct competitor: Core Duo T2400 rivals Pentium T2310.

Feature	Athlon II Neo K125	Core Duo T2400
Integrated GPU	No	No
Unlocked	—	No
AVX-512	—	No
Virtualization	—	VT-x
Target Use	—	Budget

💰

Value Analysis

At launch, the Athlon II Neo K125 was priced at $100, while the Core Duo T2400 came in at $294. On launch pricing ($100 vs $294), Athlon II Neo K125 was $194 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II Neo K125 delivers 14.9 pts/$ vs 5.1 pts/$ for the Core Duo T2400 — making the Athlon II Neo K125 the 98.6% better value option.

Feature	Athlon II Neo K125	Core Duo T2400
MSRP	$100-66%	$294
Performance per Dollar	14.9+192%	5.1
Release Date	2010	2006

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