Athlon XP 2400+ vs Atom E660

Athlon XP 2400+ vs Atom E660 Performance Spectrum

Athlon XP 2400+

1 / 1

305

+10.9%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen Threadripper 7970X

Atom E660

1 / 2

275

0.0%

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 XP 2400+ vs Atom E660 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 XP 2400+ vs Atom E660: Pros, Cons & Final Verdict

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

Athlon XP 2400+

2002

Why buy it

✅Better for gaming: +14.3% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Launch MSRP is still $193 MSRP, while Atom E660 mostly shows up through inconsistent older-market listings.
❌2166.7% higher power demand at 68W vs 3W.
❌No integrated graphics, while Atom E660 can still boot and troubleshoot without a discrete GPU.

Atom E660

2010

Why buy it

✅Draws 3W instead of 68W, a 65W reduction.
✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel GMA 600, while Athlon XP 2400+ needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Athlon XP 2400+ across 50 shared CPU benchmark tests.
❌Lower PassMark (275 vs 305).

Quick Answers

So, is Athlon XP 2400+ better than Atom E660?

Yes. Athlon XP 2400+ is the better all-around CPU here. It gives you a 14.3% average FPS lead across 50 shared CPU game tests in our data and 10.9% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Athlon XP 2400+ is the better pick. According to our tests, it delivers 14.3% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Athlon XP 2400+ is the stronger fit. You are getting 10.9% better PassMark, backed by 1 cores and 1 threads.

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

Athlon XP 2400+ is the better buy right now. Athlon XP 2400+ comes in at an unclear MSRP at $193 MSRP versus unclear MSRP, and it still gives you a 14.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (1.6 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Atom E660 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2002). That makes it the safer long-term bet.

Athlon XP 2400+ vs Atom E660 Technical Specifications

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

Athlon XP 2400+

The Athlon XP 2400+ is manufactured by AMD. It was released in Agosto 2002 (23 years ago). It is based on the Thorton (2001−2003) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 130 nm process technology. Socket: A. Thermal design power (TDP): 68 Watt. Passmark benchmark score: 305 points. Launch price was $90.

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.

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Processing Power

The Athlon XP 2400+ packs 1 cores / 1 threads, matching the Atom E660's 1 cores. Boost clocks reach 2 GHz on the Athlon XP 2400+ versus 1.3 GHz on the Atom E660 — a 42.4% clock advantage for the Athlon XP 2400+. The Athlon XP 2400+ uses the Thorton (2001−2003) architecture (130 nm), while the Atom E660 uses Tunnel Creek (2010) (45 nm). In PassMark, the Athlon XP 2400+ scores 305 against the Atom E660's 275 — a 10.3% lead for the Athlon XP 2400+. Both processors carry 0 kB of L3 cache.

Feature	Athlon XP 2400+	Atom E660
Cores / Threads	1 / 1	1 / 2
Boost Clock	2 GHz+54%	1.3 GHz
L3 Cache	0 kB	0 kB
L2 Cache	256 kB	512 kB (per core)+100%
Process	130 nm	45 nm-65%
Architecture	Thorton (2001−2003)	Tunnel Creek (2010)
PassMark	305+11%	275

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Memory & Platform

The Athlon XP 2400+ uses the A socket (PCIe 1.1), while the Atom E660 uses BGA676 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR-266 on the Athlon XP 2400+ versus DDR2-800 on the Atom E660 — the Atom E660 supports -400.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon XP 2400+ supports up to 4 GB of RAM compared to 2 GB — 100% more capacity for professional workloads. Both feature 1-channel memory with ECC support. PCIe lanes: 0 (Athlon XP 2400+) vs 4 (Atom E660) — the Atom E660 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD Socket A (Athlon XP 2400+) and Intel FCBGA518 (Atom E660).