Atom S1260 vs Mobile Athlon 64 3400+

Atom S1260 vs Mobile Athlon 64 3400+ Performance Spectrum

Atom S1260

2 / 4

555

+1.8%

Mobile Athlon 64 3400+

1 / 1

545

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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.

Atom S1260 vs Mobile Athlon 64 3400+ 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.

Atom S1260 vs Mobile Athlon 64 3400+: Pros, Cons & Final Verdict

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

Atom S1260

2012

Why buy it

✅+1.8% higher PassMark.
✅100+% more PCIe lanes (8 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌800% higher power demand at 9W vs 1W.

Mobile Athlon 64 3400+

2005

Why buy it

✅Draws 1W instead of 9W, a 8W reduction.

Trade-offs

❌Lower PassMark (545 vs 555).

Quick Answers

So, is Atom S1260 better than Mobile Athlon 64 3400+?

It depends on what you want from the system. For gaming, Mobile Athlon 64 3400+ is ahead with a 0.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Atom S1260 pulls ahead with 1.8% better PassMark.

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

For streaming, content creation, and heavier multitasking, Atom S1260 is the stronger fit. You are getting 1.8% better PassMark, backed by 2 cores and 4 threads.

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

Atom S1260 still makes the most sense overall. Atom S1260 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 1.8% better PassMark.

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

Atom S1260 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2005) and more multi-core headroom with 2 cores / 4 threads instead of 1/1. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Atom S1260 vs Mobile Athlon 64 3400+ Technical Specifications

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

Atom S1260

The Atom S1260 is manufactured by Intel. It was released in 11 December 2012 (12 years ago). It is based on the Centerton (2012) architecture. It features 2 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 32 nm process technology. Socket: FCBGA1283. Thermal design power (TDP): 8.5 Watt. Memory support: DDR3. Passmark benchmark score: 555 points. Launch price was $64.

Mobile Athlon 64 3400+

The Mobile Athlon 64 3400+ is manufactured by AMD. It was released in Agosto 2005 (20 years ago). It is based on the Clawhammer (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L2 cache: 1 MB. Socket: 754. Thermal design power (TDP): 1 MB. Memory support: DDR1. Passmark benchmark score: 545 points. Launch price was $69.

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Processing Power

The Atom S1260 packs 2 cores / 4 threads, while the Mobile Athlon 64 3400+ offers 1 cores / 1 threads — the Atom S1260 has 1 more core. Boost clocks reach 2 GHz on the Atom S1260 versus 2.2 GHz on the Mobile Athlon 64 3400+ — a 9.5% clock advantage for the Mobile Athlon 64 3400+. The Atom S1260 uses the Centerton (2012) architecture (32 nm), while the Mobile Athlon 64 3400+ uses Clawhammer (2001−2005). In PassMark, the Atom S1260 scores 555 against the Mobile Athlon 64 3400+'s 545 — a 1.8% lead for the Atom S1260.

Feature	Atom S1260	Mobile Athlon 64 3400+
Cores / Threads	2 / 4+100%	1 / 1
Boost Clock	2 GHz	2.2 GHz+10%
Base Clock	2 GHz	—
L3 Cache	0 kB	—
L2 Cache	512 kB (per core)	1 MB+100%
Process	32 nm	—
Architecture	Centerton (2012)	Clawhammer (2001−2005)
PassMark	555+2%	545

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Memory & Platform

The Atom S1260 uses the FCBGA1283 socket (PCIe 2.0), while the Mobile Athlon 64 3400+ uses 754 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Atom S1260 versus 400 on the Mobile Athlon 64 3400+ — the Atom S1260 supports 233.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Atom S1260 supports up to 8 GB of RAM compared to 2 GB — 300% more capacity for professional workloads. Both feature 1-channel memory with ECC support. PCIe lanes: 8 (Atom S1260) vs 0 (Mobile Athlon 64 3400+) — the Atom S1260 offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel BGA1283 (Atom S1260) and 754 (Mobile Athlon 64 3400+).

Feature	Atom S1260	Mobile Athlon 64 3400+
Socket	FCBGA1283	754
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR3-1333+233%	400
Max RAM Capacity	8 GB+300%	2 GB
RAM Channels	1	1
ECC Support	Yes	No
PCIe Lanes	8	0

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Advanced Features

Virtualization: not specified (Atom S1260) / false (Mobile Athlon 64 3400+). Direct competitor: Mobile Athlon 64 3400+ rivals Pentium M 735.