Athlon 64 2000+ vs Mobile Sempron SI-40

Athlon 64 2000+ vs Mobile Sempron SI-40 Performance Spectrum

Athlon 64 2000+

1 / 1

330

+2.5%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen Threadripper 7970X

Mobile Sempron SI-40

1 / 1

322

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen Threadripper 7970X

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 64 2000+ vs Mobile Sempron SI-40 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 64 2000+ vs Mobile Sempron SI-40: Pros, Cons & Final Verdict

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

Athlon 64 2000+

2008

Why buy it

✅+2.5% higher PassMark.
✅Draws 8W instead of 512W, a 504W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $100 MSRP, while Mobile Sempron SI-40 mostly shows up through inconsistent older-market listings.

Mobile Sempron SI-40

2008

Why buy it

Trade-offs

❌Lower PassMark (322 vs 330).
❌6300% higher power demand at 512W vs 8W.

Quick Answers

So, is Athlon 64 2000+ better than Mobile Sempron SI-40?

It depends on what you want from the system. For gaming, Mobile Sempron SI-40 is ahead with 100% higher max boost clock. For rendering, compiling, streaming, and heavier multitasking, Athlon 64 2000+ pulls ahead with 2.5% better PassMark.

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

For streaming, content creation, and heavier multitasking, Athlon 64 2000+ is the stronger fit. You are getting 2.5% better PassMark, backed by 1 cores and 1 threads.

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

Athlon 64 2000+ is the better buy right now. Athlon 64 2000+ comes in at an unclear MSRP at $100 MSRP versus unclear MSRP, and it still gives you 2.5% better PassMark. The compromise is that Mobile Sempron SI-40 is still the better pure gaming CPU with 100% higher max boost clock. It is also 100.0% better value on MSRP (3.3 vs 0.0 PassMark/$), 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 64 2000+ makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 1 cores / 1 threads instead of 1/1. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon 64 2000+ vs Mobile Sempron SI-40 Technical Specifications

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

Athlon 64 2000+

The Athlon 64 2000+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Lima (2008−2009) architecture. It features 1 cores and 1 threads. Max frequency: 1 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 8 Watt. Passmark benchmark score: 330 points. Launch price was $149.

Mobile Sempron SI-40

The Mobile Sempron SI-40 is manufactured by AMD. It was released in 4 July 2008 (17 years ago). It is based on the Sable (2008−2009) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 512 kB. Built on 65 nm process technology. Socket: S1g2. Thermal design power (TDP): 512 kB. Passmark benchmark score: 322 points. Launch price was $69.

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Processing Power

Both the Athlon 64 2000+ and Mobile Sempron SI-40 share an identical 1-core/1-thread configuration. Boost clocks reach 1 GHz on the Athlon 64 2000+ versus 2 GHz on the Mobile Sempron SI-40 — a 66.7% clock advantage for the Mobile Sempron SI-40. The Athlon 64 2000+ uses the Lima (2008−2009) architecture (65 nm), while the Mobile Sempron SI-40 uses Sable (2008−2009) (65 nm). In PassMark, the Athlon 64 2000+ scores 330 against the Mobile Sempron SI-40's 322 — a 2.5% lead for the Athlon 64 2000+.

Feature	Athlon 64 2000+	Mobile Sempron SI-40
Cores / Threads	1 / 1	1 / 1
Boost Clock	1 GHz	2 GHz+100%
L3 Cache	0 kB	—
L2 Cache	512 kB	512 kB
Process	65 nm	65 nm
Architecture	Lima (2008−2009)	Sable (2008−2009)
PassMark	330+2%	322

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Memory & Platform

The Athlon 64 2000+ uses the AM2 socket (PCIe 2.0), while the Mobile Sempron SI-40 uses S1g2 (PCIe 2.0) — making them incompatible on the same motherboard.