Sempron 2600+ vs Atom E660
Sempron 2600+
Atom E660
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 Sempron 2600+ is positioned at rank 1000 and the Atom E660 is on rank 743, 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 Sempron 2600+
Performance Per Dollar Atom E660
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Sempron 2600+ | Atom E660 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Palermo (2001−2005) / 130 nm) | 🛑 Legacy (Tunnel Creek (2010) / 45 nm) |
💎 Value Proposition
| Insight | Sempron 2600+ | Atom E660 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Sempron 2600+ and Atom E660
Sempron 2600+
The Sempron 2600+ 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: 1.83 GHz. L3 cache: 0 kB. L2 cache: 256K. Built on 130 nm process technology. Socket: 754. Thermal design power (TDP): 62 Watt. Passmark benchmark score: 291 points. Launch price was $60.
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.
Processing Power
The Sempron 2600+ packs 1 cores / 1 threads, matching the Atom E660's 1 cores. Boost clocks reach 1.83 GHz on the Sempron 2600+ versus 1.3 GHz on the Atom E660 — a 33.9% clock advantage for the Sempron 2600+. The Sempron 2600+ uses the Palermo (2001−2005) architecture (130 nm), while the Atom E660 uses Tunnel Creek (2010) (45 nm). In PassMark, the Sempron 2600+ scores 291 against the Atom E660's 275 — a 5.7% lead for the Sempron 2600+. Both processors carry 0 kB of L3 cache.
| Feature | Sempron 2600+ | Atom E660 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 2 |
| Boost Clock | 1.83 GHz+41% | 1.3 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 256K | 512 kB (per core)+100% |
| Process | 130 nm | 45 nm-65% |
| Architecture | Palermo (2001−2005) | Tunnel Creek (2010) |
| PassMark | 291+6% | 275 |
Memory & Platform
The Sempron 2600+ uses the 754 socket (PCIe 2.0), while the Atom E660 uses BGA676 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Sempron 2600+ | Atom E660 |
|---|---|---|
| Socket | 754 | BGA676 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR2-800 |
| Max RAM Capacity | — | 2 GB |
| RAM Channels | — | 1 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 4 |
Advanced Features
The Atom E660 includes integrated graphics (Intel GMA 600), while the Sempron 2600+ requires a dedicated GPU.
| Feature | Sempron 2600+ | Atom E660 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel GMA 600 |
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