
Atom E660

Sempron 2400+
Atom E660 vs Sempron 2400+ Performance Spectrum
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 2400+ 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.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Atom E660 vs Sempron 2400+: 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
2010Why buy it
- ✅+5% higher PassMark.
- ✅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 2400+ needs a discrete GPU.
Trade-offs
- ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.
Sempron 2400+
2001Why buy it
Trade-offs
- ❌Lower PassMark (262 vs 275).
- ❌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 Atom E660 better than Sempron 2400+?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Atom E660 vs Sempron 2400+ 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 2400+
The Sempron 2400+ is manufactured by AMD. It was released in Janeiro 2001 (24 years ago). It is based on the Barton (2001−2004) architecture. It features 1 cores and 1 threads. Max frequency: 1.67 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 130 nm process technology. Socket: A. Thermal design power (TDP): 62 Watt. Passmark benchmark score: 262 points. Launch price was $27.
Processing Power
The Atom E660 packs 1 cores / 2 threads, matching the Sempron 2400+'s 1 cores. Boost clocks reach 1.3 GHz on the Atom E660 versus 1.67 GHz on the Sempron 2400+ — a 24.9% clock advantage for the Sempron 2400+. The Atom E660 uses the Tunnel Creek (2010) architecture (45 nm), while the Sempron 2400+ uses Barton (2001−2004) (130 nm). In PassMark, the Atom E660 scores 275 against the Sempron 2400+'s 262 — a 4.8% lead for the Atom E660. Both processors carry 0 kB of L3 cache.
| Feature | Atom E660 | Sempron 2400+ |
|---|---|---|
| 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-65% | 130 nm |
| Architecture | Tunnel Creek (2010) | Barton (2001−2004) |
| PassMark | 275+5% | 262 |
Memory & Platform
The Atom E660 uses the BGA676 socket (PCIe 2.0), while the Sempron 2400+ uses A (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Atom E660 | Sempron 2400+ |
|---|---|---|
| Socket | BGA676 | A |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR2-800 | — |
| Max RAM Capacity | 2 GB | — |
| RAM Channels | 1 | — |
| ECC Support | No | — |
| PCIe Lanes | 4 | — |
Advanced Features
The Atom E660 includes integrated graphics (Intel GMA 600), while the Sempron 2400+ requires a dedicated GPU.
| Feature | Atom E660 | Sempron 2400+ |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel GMA 600 | — |
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