
Atom E660

Pentium 4 2.26
Atom E660 vs Pentium 4 2.26 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 Pentium 4 2.26 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 Pentium 4 2.26: 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
- ✅Draws 3W instead of 110W, a 107W reduction.
- ✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
- ✅Integrated graphics onboard with Intel GMA 600, while Pentium 4 2.26 needs a discrete GPU.
Trade-offs
- ❌Lower PassMark (275 vs 295).
Pentium 4 2.26
2002Why buy it
Trade-offs
- ❌Launch MSRP is still $241 MSRP, while Atom E660 mostly shows up through inconsistent older-market listings.
- ❌3566.7% higher power demand at 110W vs 3W.
- ❌No integrated graphics, while Atom E660 can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Pentium 4 2.26 better than Atom E660?
Which one is better for gaming?
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 Pentium 4 2.26 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.

Pentium 4 2.26
The Pentium 4 2.26 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 1 cores and 1 threads. Max frequency: 2.26 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 110 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 295 points. Launch price was $69.
Processing Power
The Atom E660 packs 1 cores / 2 threads, matching the Pentium 4 2.26's 1 cores. Boost clocks reach 1.3 GHz on the Atom E660 versus 2.26 GHz on the Pentium 4 2.26 — a 53.9% clock advantage for the Pentium 4 2.26. The Atom E660 uses the Tunnel Creek (2010) architecture (45 nm), while the Pentium 4 2.26 uses NetBurst (2000−2006) (130 nm). In PassMark, the Atom E660 scores 275 against the Pentium 4 2.26's 295 — a 7% lead for the Pentium 4 2.26. Both processors carry 0 kB of L3 cache.
| Feature | Atom E660 | Pentium 4 2.26 |
|---|---|---|
| Cores / Threads | 1 / 2 | 1 / 1 |
| Boost Clock | 1.3 GHz | 2.26 GHz+74% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (per core) | 512 kB |
| Process | 45 nm-65% | 130 nm |
| Architecture | Tunnel Creek (2010) | NetBurst (2000−2006) |
| PassMark | 275 | 295+7% |
Memory & Platform
The Atom E660 uses the BGA676 socket (PCIe 2.0), while the Pentium 4 2.26 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Atom E660 | Pentium 4 2.26 |
|---|---|---|
| Socket | BGA676 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| 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 Pentium 4 2.26 requires a dedicated GPU.
| Feature | Atom E660 | Pentium 4 2.26 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel GMA 600 | — |
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