Atom N270

Details and Benchmarks for Intel Atom N270

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.


Overall Score

Overall score for Atom N270 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

3,642 Rank: 2049
Rank Name Score Visual
2045 Intel Celeron N3000 3,670
+0.8%
2046 Intel Celeron N3010 3,663
+0.6%
2047 Atom N280 3,662
+0.5%
2048 Atom N2600 3,657
+0.4%
2049 Atom N270 3,642
2050 Atom Z530 3,631
-0.3%
2051 Atom 330 3,625
-0.5%
2052 Celeron N2805 3,621
-0.6%
2053 Atom Z670 3,600
-1.2%
2054 Atom N2800 3,598
-1.2%

View full ranking →


Multicore Score

Multicore performance score for Atom N270 based on multi-threaded benchmark results.

4,207 Rank: 2003
Rank Name Score Visual
1999 Atom N280 4,209
+0%
2000 Core 2 Duo E4600 4,209
+0%
2001 Intel Celeron N3060 4,208
+0%
2002 Intel Celeron N3050 4,208
+0%
2003 Atom N270 4,207
2004 Atom Z530 4,207
+0%
2005 Core 2 Duo T5870 4,207
+0%
2006 Intel Core i7-620M 4,204
-0.1%
2007 Core i5 M 520 4,204
-0.1%
2008 Pentium G6950 4,203
-0.1%

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Singlecore Score

Single-core performance score for Atom N270 based on single-threaded benchmark results.

3,266 Rank: 2048
Rank Name Score Visual
2044 A4-1250 3,325
+1.8%
2045 Intel Celeron N3010 3,313
+1.4%
2046 Atom N280 3,297
+0.9%
2047 Atom N2600 3,281
+0.5%
2048 Atom N270 3,266
2049 Celeron N2910 3,250
-0.5%
2050 Atom Z530 3,247
-0.6%
2051 Atom 330 3,229
-1.1%
2052 Atom Z670 3,200
-2%
2053 Celeron N2805 3,198
-2.1%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.


Number Crunching

Aggregated score for Atom N270 based on integer math, floating point math, and prime number computation benchmarks.

4,424 Rank: 1770
Rank Name Score Visual
1762 Atom D2500 4,453
+0.7%
1763 Atom N450 4,452
+0.6%
1764 Atom N455 4,452
+0.6%
1765 Atom E3815 4,452
+0.6%
1766 Atom D425 4,451
+0.6%
1767 Sempron LE-1250 4,431
+0.2%
1768 Atom 230 4,429
+0.1%
1769 Atom N280 4,426
+0%
1770 Atom N270 4,424
1771 Atom Z520 4,424
+0%

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Data Processing

Aggregated score for Atom N270 based on data encryption, data compression, and string sorting benchmarks.

4,415 Rank: 1769
Rank Name Score Visual
1762 Celeron 807UE 4,418
+0.1%
1763 Atom N450 4,418
+0.1%
1764 Atom N455 4,418
+0.1%
1765 Sempron 3200+ 4,418
+0.1%
1766 Atom N280 4,417
+0%
1767 Atom E3815 4,417
+0%
1768 Atom D425 4,417
+0%
1769 Atom N270 4,415
1770 Atom 230 4,414
+-0%
1771 Atom Z520 4,413
+-0%

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Physics & Compute

Aggregated score for Atom N270 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,429 Rank: 1769
Rank Name Score Visual
1762 Atom N455 4,433
+0.1%
1763 Sempron LE-1250 4,433
+0.1%
1764 Atom N280 4,432
+0.1%
1765 Atom D425 4,432
+0.1%
1766 Atom E3815 4,431
+0%
1767 Atom Z520 4,430
+0%
1768 Sempron 3200+ 4,430
+0%
1769 Atom N270 4,429
1770 Sempron 2500+ 4,429
+0%
1771 Atom 230 4,428
+-0%

View full ranking →


Atom N270 Details

As of March 2026, the Intel Atom N270 remains a relic of early 2000s mobile computing, representing a pivotal moment in the push for ultra-low-power processors. Launched in June 2008, this device was designed for netbooks and embedded systems, where power efficiency and thermal constraints were paramount. Despite its age, the Atom N270's performance metrics continue to serve as a benchmark for comparison in low-end computing, particularly in contexts where power consumption outweighs raw processing capability.

Built on Intel's Bonnell microarchitecture and fabricated on a 45 nm process, the Atom N270 features a single core with hyper-threading, enabling it to handle two threads simultaneously. This dual-thread capability, while modest by today's standards, allowed the processor to deliver a level of multitasking performance that was notable at the time. With a base clock of 1.6 GHz and a 533 MHz front-side bus, the N270 was optimized for efficiency rather than raw speed. It includes 512 KB of L2 cache and supports up to 8 GB of DDR2 memory, though actual system performance is heavily constrained by its limited cache and single-core design.

The processor’s TDP of just 2.5 watts makes it one of the most power-efficient CPUs in its class, a key factor in its adoption for portable devices and fanless systems. This extreme efficiency comes at the cost of performance, as evidenced by its benchmark scores. In single-core testing, the Atom N270 achieves a score of 3266, placing it near the bottom of the single-core rankings, slightly behind the Atom Z530 and Atom 330. Its multicore score of 4207 is marginally higher than other low-end Atom variants, but still significantly behind modern processors, with only a handful of older Celeron and Core 2 Duo models outperforming it.

In the broader context of current computing, the Atom N270 is not competitive with even entry-level modern CPUs. Its lack of support for SSE4.1 and later instruction sets limits its ability to run contemporary software efficiently, particularly in gaming and multimedia applications. However, its inclusion of technologies like Intel Enhanced SpeedStep and Hyper-Threading reflects Intel's early efforts to balance performance and power consumption. For users requiring a simple, low-power system for basic web browsing, text editing, or media playback, the N270 remains functional, albeit with noticeable limitations.

In conclusion, the Intel Atom N270 is best suited for legacy systems, embedded applications, or educational demonstrations of early low-power processor design. While its performance is negligible compared to today's top-tier CPUs—such as the Ryzen Threadripper PRO 9995WX or Core Ultra 9 285K—it remains a significant milestone in the evolution of energy-efficient computing. For modern use, its primary value lies in its historical relevance rather than practical performance.
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Intel Atom N270

Main Specifications

Designer: Intel
Name: Atom N270
Family: Atom
Series: N200
Model Number: N270
Cores: 1
Threads: 2
Base Frequency: 1599.99 MHz
Clock Multiplier: 12x (locked)
Microarchitecture: Bonnell
Core Name: Diamondville
Core Family: 6
Core Model: 112
Socket: BGA-437
Package: FCBGA-437
Chipset: Calistoga
Target Segment: Mobile
Max CPUs: 1
TDP: 2.5 W
Release Price: $44.00

Cache Specifications

L1 Cache: 56.0128 KiB
L1 Instruction Cache: 32.0512 KiB (8-way set associative)
L1 Data Cache: 23.9616 KiB (6-way set associative)
L2 Cache: 0.5 MiB (8-way set associative)

Memory Specifications

Maximum Memory: 8 GB

Physical Specifications

Process: 45 nm
Die Area: 25.964 mm²
Transistor Count: 0.05 billion
Manufacturer: Intel
Technology: CMOS
Word Size: 64-bit
ISA: x86-32 (x86)

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX2 AES x86-16 x86-32 x86-64 Real Protected SMM FPU NX HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA

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