Mobile Athlon 64 3000+ vs Sempron 3400+

Mobile Athlon 64 3000+ vs Sempron 3400+ Performance Spectrum

Mobile Athlon 64 3000+

1 / 1

450

+3.9%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Sempron 3400+

1 / 1

433

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.

Mobile Athlon 64 3000+ vs Sempron 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.

Mobile Athlon 64 3000+ vs Sempron 3400+: Pros, Cons & Final Verdict

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

Mobile Athlon 64 3000+

2003

Why buy it

✅+3.9% higher PassMark.

Trade-offs

❌725.8% higher power demand at 512W vs 62W.

Sempron 3400+

2005

Why buy it

✅Draws 62W instead of 512W, a 450W reduction.

Trade-offs

❌Lower PassMark (433 vs 450).

Quick Answers

So, is Mobile Athlon 64 3000+ better than Sempron 3400+?

Yes. Mobile Athlon 64 3000+ is the better all-around CPU here. It gives you a 0.4% average FPS lead across 50 shared CPU game tests in our data and 3.9% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

For gaming, this matchup is basically a tie in the data we have.

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

For streaming, content creation, and heavier multitasking, Mobile Athlon 64 3000+ is the stronger fit. You are getting 3.9% better PassMark, backed by 1 cores and 1 threads.

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

Mobile Athlon 64 3000+ still makes the most sense overall. Mobile Athlon 64 3000+ comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 0.4% average FPS lead across 50 shared CPU game tests in our data.

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

Sempron 3400+ makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2005 vs 2003). That makes it the safer long-term bet.

Mobile Athlon 64 3000+ vs Sempron 3400+ Technical Specifications

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

Mobile Athlon 64 3000+

The Mobile Athlon 64 3000+ is manufactured by AMD. It was released in Agosto 2003 (22 years ago). It is based on the Oakville (2003−2004) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 512K. Socket: 754. Thermal design power (TDP): 512 kB. Memory support: DDR1. Passmark benchmark score: 450 points. Launch price was $69.

Sempron 3400+

The Sempron 3400+ is manufactured by AMD. It was released in 1 October 2005 (20 years ago). It is based on the Palermo (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 128 kB. Built on 90 nm process technology. Socket: 939. Thermal design power (TDP): 62 Watt. Memory support: DDR1. Passmark benchmark score: 433 points. Launch price was $30.

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Processing Power

Both the Mobile Athlon 64 3000+ and Sempron 3400+ share an identical 1-core/1-thread configuration. Boost clocks reach 2 GHz on the Mobile Athlon 64 3000+ versus 2 GHz on the Sempron 3400+ — identical boost frequencies. The Mobile Athlon 64 3000+ uses the Oakville (2003−2004) architecture, while the Sempron 3400+ uses Palermo (2001−2005) (90 nm). In PassMark, the Mobile Athlon 64 3000+ scores 450 against the Sempron 3400+'s 433 — a 3.9% lead for the Mobile Athlon 64 3000+.

Feature	Mobile Athlon 64 3000+	Sempron 3400+
Cores / Threads	1 / 1	1 / 1
Boost Clock	2 GHz	2 GHz
L3 Cache	—	0 kB
L2 Cache	512K+300%	128 kB
Process	—	90 nm
Architecture	Oakville (2003−2004)	Palermo (2001−2005)
PassMark	450+4%	433

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Memory & Platform

The Mobile Athlon 64 3000+ uses the 754 socket (PCIe 1.1), while the Sempron 3400+ uses 939 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Mobile Athlon 64 3000+	Sempron 3400+
Socket	754	939
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	400	—
Max RAM Capacity	2	—
RAM Channels	1	—
ECC Support	No	—
PCIe Lanes	0	—

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Advanced Features

Virtualization: false (Mobile Athlon 64 3000+) / not specified (Sempron 3400+). Direct competitor: Mobile Athlon 64 3000+ rivals Pentium M 735.