Atom E660 vs Athlon XP 2000+
Atom E660
Athlon XP 2000+
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Atom E660 is positioned at rank 743 and the Athlon XP 2000+ is on rank 1136, so the Atom E660 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom E660
Performance Per Dollar Athlon XP 2000+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom E660 | Athlon XP 2000+ |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($40) |
| Longevity | 🛑 Legacy (Tunnel Creek (2010) / 45 nm) | 🛑 Legacy (Thorton (2001−2003) / 180 nm) |
💎 Value Proposition
| Insight | Atom E660 | Athlon XP 2000+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($40) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Atom E660 and Athlon XP 2000+
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.
Athlon XP 2000+
The Athlon XP 2000+ is manufactured by AMD. It was released in Janeiro 2002 (23 years ago). It is based on the Thorton (2001−2003) architecture. It features 1 cores and 1 threads. Max frequency: 1.67 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 180 nm process technology. Socket: A. Thermal design power (TDP): 70 Watt. Passmark benchmark score: 252 points. Launch price was $25.
Processing Power
The Atom E660 packs 1 cores / 2 threads, matching the Athlon XP 2000+'s 1 cores. Boost clocks reach 1.3 GHz on the Atom E660 versus 1.67 GHz on the Athlon XP 2000+ — a 24.9% clock advantage for the Athlon XP 2000+. The Atom E660 uses the Tunnel Creek (2010) architecture (45 nm), while the Athlon XP 2000+ uses Thorton (2001−2003) (180 nm). In PassMark, the Atom E660 scores 275 against the Athlon XP 2000+'s 252 — a 8.7% lead for the Atom E660. Both processors carry 0 kB of L3 cache.
| Feature | Atom E660 | Athlon XP 2000+ |
|---|---|---|
| Cores / Threads | 1 / 2 | 1 / 1 |
| Boost Clock | 1.3 GHz | 1.67 GHz+28% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (per core)+100% | 256 kB |
| Process | 45 nm-75% | 180 nm |
| Architecture | Tunnel Creek (2010) | Thorton (2001−2003) |
| PassMark | 275+9% | 252 |
Memory & Platform
The Atom E660 uses the BGA676 socket (PCIe 2.0), while the Athlon XP 2000+ uses A (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Atom E660 versus DDR1-266 on the Athlon XP 2000+ — the Atom E660 supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon XP 2000+ supports up to 4 GB of RAM compared to 2 GB — 66.7% more capacity for professional workloads. Both feature 1-channel memory with ECC support. PCIe lanes: 4 (Atom E660) vs 0 (Athlon XP 2000+) — the Atom E660 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA518 (Atom E660) and VIA KT133A,nForce2 (Athlon XP 2000+).
| Feature | Atom E660 | Athlon XP 2000+ |
|---|---|---|
| Socket | BGA676 | A |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR2-800+100% | DDR1-266 |
| Max RAM Capacity | 2 GB | 4 GB+100% |
| RAM Channels | 1 | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 4 | 0 |
Advanced Features
Virtualization: not specified (Atom E660) / None (Athlon XP 2000+). The Atom E660 includes integrated graphics (Intel GMA 600), while the Athlon XP 2000+ requires a dedicated GPU.
| Feature | Atom E660 | Athlon XP 2000+ |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel GMA 600 | — |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | None |
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