Atom N270 vs Atom E660

CPU

GPU

Atom N270

1 Cores2 Thrd512 WWMax: 0.1 GHz2008

Atom E660

1 Cores2 Thrd3 WWMax: 1.3 GHz2010

Performance Spectrum - CPU

Atom N270

1 / 2

265

0.0%

275

+3.8%

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 N270 is positioned at rank 411 and the Atom E660 is on rank 743, so the Atom N270 offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Atom N270

#124

Core i5-1240P

MSRP: $309|Avg: $200

99%

#125

Core i7-13700H

MSRP: $502|Avg: N/A

98%

#399

Atom x5-Z8300

MSRP: $20|Avg: N/A

554%

#400

Atom Z3735G

MSRP: $17|Avg: N/A

545%

#401

Core i5-480M

MSRP: $81|Avg: $77

501%

#402

Core i5-460M

MSRP: $80|Avg: $129

498%

#403

Core i5-2540M

MSRP: $266|Avg: $10

494%

#405

Core i5-450M

MSRP: $32|Avg: $31

477%

#406

Core i3-380M

MSRP: $49|Avg: $25

457%

#407

Core i5-430M

MSRP: N/A|Avg: $33

457%

#408

Core 2 Duo T6600

MSRP: N/A|Avg: $4

444%

#411

Atom N270

MSRP: N/A|Avg: N/A

100%

#421

Core i5-9400H

MSRP: $182|Avg: N/A

98%

#426

Celeron 2981U

MSRP: $137|Avg: N/A

98%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Atom E660

#731

Atom x5-Z8300

MSRP: $20|Avg: N/A

1067%

#732

Atom Z3735G

MSRP: $17|Avg: N/A

1051%

#733

Core i5-480M

MSRP: $81|Avg: $77

965%

#734

Core i5-460M

MSRP: $80|Avg: $129

961%

#735

Core i5-2540M

MSRP: $266|Avg: $10

952%

#737

Core i5-450M

MSRP: $32|Avg: $31

919%

#738

Core i3-380M

MSRP: $49|Avg: $25

881%

#739

Core i5-430M

MSRP: N/A|Avg: $33

880%

#740

Core 2 Duo T6600

MSRP: N/A|Avg: $4

856%

#743

Atom E660

MSRP: N/A|Avg: N/A

100%

#744

Pentium 6805

MSRP: $161|Avg: $161

100%

#749

Ryzen 3 7320C

MSRP: $299|Avg: $200

100%

#757

Core i7-11370H

MSRP: $426|Avg: N/A

99%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Atom E660 delivers superior performance across the board. It outperforms the Atom N270 in both compute-intensive tasks (3.7% faster) and gaming workloads.

Insight	Atom N270	Atom E660
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (DiamondVille (2008−2009) / 45 nm)	🛑 Legacy (Tunnel Creek (2010) / 45 nm)

💎 Value Proposition

Insight	Atom N270	Atom E660
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

Performance Check

Paired with RTX 4090

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.

Atom N270 Benchmark Check

Atom E660 Benchmark Check

Technical Specifications

Side-by-side comparison of Atom N270 and Atom E660

Atom N270

The Atom N270 is manufactured by Intel. It was released in 2 April 2008 (17 years ago). It is based on the DiamondVille (2008−2009) architecture. It features 1 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 0.1 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 45 nm process technology. Socket: PBGA437. Thermal design power (TDP): 2.5 Watt. Passmark benchmark score: 265 points. Launch price was $44.

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

Both the Atom N270 and Atom E660 share an identical 1-core/2-thread configuration. Boost clocks reach 0.1 GHz on the Atom N270 versus 1.3 GHz on the Atom E660 — a 171.4% clock advantage for the Atom E660. The Atom N270 uses the DiamondVille (2008−2009) architecture (45 nm), while the Atom E660 uses Tunnel Creek (2010) (45 nm). In PassMark, the Atom N270 scores 265 against the Atom E660's 275 — a 3.7% lead for the Atom E660. Both processors carry 0 kB of L3 cache.

Feature	Atom N270	Atom E660
Cores / Threads	1 / 2	1 / 2
Boost Clock	0.1 GHz	1.3 GHz+1200%
Base Clock	1.6 GHz	—
L3 Cache	0 kB	0 kB
L2 Cache	512 kB	512 kB (per core)
Process	45 nm	45 nm
Architecture	DiamondVille (2008−2009)	Tunnel Creek (2010)
PassMark	265	275+4%

🧠

Memory & Platform

The Atom N270 uses the PBGA437 socket (PCIe 2.0), while the Atom E660 uses BGA676 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR2-533 memory speed. Both support up to 2 GB of RAM. Both feature 1-channel memory with ECC support. PCIe lanes: 0 (Atom N270) vs 4 (Atom E660) — the Atom E660 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel PBGA437 (Atom N270) and Intel FCBGA518 (Atom E660).