Atom E660 vs Sempron 2500+

Atom E660 vs Sempron 2500+ Performance Spectrum

Atom E660

1 / 2

275

0.0%

277

+0.7%

Athlon XP 1700+

Athlon XP 1900+

Ryzen 5 5600G

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen Threadripper 7970X

Ryzen Threadripper PRO 7985WX

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 E660 vs Sempron 2500+ 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 E660 vs Sempron 2500+: Pros, Cons & Final Verdict

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

Atom E660

2010

Why buy it

✅Draws 3W instead of 62W, a 59W reduction.
✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel GMA 600, while Sempron 2500+ needs a discrete GPU.

Trade-offs

❌Lower PassMark (275 vs 277).

Sempron 2500+

2001

Why buy it

Trade-offs

❌1966.7% higher power demand at 62W vs 3W.
❌No integrated graphics, while Atom E660 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Sempron 2500+ better than Atom E660?

Yes. Sempron 2500+ is the better all-around CPU here. It gives you 0.7% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Sempron 2500+ has the edge because it leads the single-thread side of this matchup with 34.6% higher max boost clock.

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

For streaming, content creation, and heavier multitasking, Sempron 2500+ is the stronger fit. You are getting 0.7% better PassMark, backed by 1 cores and 1 threads.

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

Sempron 2500+ still makes the most sense overall. Sempron 2500+ comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.7% higher PassMark.

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

Atom E660 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2001). That makes it the safer long-term bet.

Atom E660 vs Sempron 2500+ Technical Specifications

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

Atom E660

The Atom E660 is manufactured by Intel. It was released in 14 September 2010 (15 years ago). It is based on the Tunnel Creek (2010) architecture. It features 1 cores and 2 threads. Max frequency: 1.3 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: BGA676. Thermal design power (TDP): 3 Watt. Memory support: DDR2. Passmark benchmark score: 275 points. Launch price was $54.

Sempron 2500+

The Sempron 2500+ is manufactured by AMD. It was released in Janeiro 2001 (24 years ago). It is based on the Palermo (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 1.75 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 130 nm process technology. Socket: 754. Thermal design power (TDP): 62 Watt. Passmark benchmark score: 277 points. Launch price was $80.

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Processing Power

The Atom E660 packs 1 cores / 2 threads, matching the Sempron 2500+'s 1 cores. Boost clocks reach 1.3 GHz on the Atom E660 versus 1.75 GHz on the Sempron 2500+ — a 29.5% clock advantage for the Sempron 2500+. The Atom E660 uses the Tunnel Creek (2010) architecture (45 nm), while the Sempron 2500+ uses Palermo (2001−2005) (130 nm). In PassMark, the Atom E660 scores 275 against the Sempron 2500+'s 277 — a 0.7% lead for the Sempron 2500+. Both processors carry 0 kB of L3 cache.

Feature	Atom E660	Sempron 2500+
Cores / Threads	1 / 2	1 / 1
Boost Clock	1.3 GHz	1.75 GHz+35%
L3 Cache	0 kB	0 kB
L2 Cache	512 kB (per core)+100%	256 kB
Process	45 nm-65%	130 nm
Architecture	Tunnel Creek (2010)	Palermo (2001−2005)
PassMark	275	277

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Memory & Platform

The Atom E660 uses the BGA676 socket (PCIe 2.0), while the Sempron 2500+ uses 754 (PCIe 2.0) — making them incompatible on the same motherboard.