Atom N550

Details and Benchmarks for Intel Atom N550

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 N550 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

3,825 Rank: 2008
Rank Name Score Visual
2004 Celeron N2807 3,831
+0.2%
2005 Celeron N3000 3,829
+0.1%
2006 C-70 3,829
+0.1%
2007 Athlon X2 QL-62 3,826
+0%
2008 Atom N550 3,825
2009 Celeron N2815 3,822
-0.1%
2010 Intel Celeron J3060 3,821
-0.1%
2011 Athlon X2 QL-64 3,816
-0.2%
2012 Intel Celeron N3150 3,815
-0.3%
2013 C-60 3,814
-0.3%

View full ranking →

Multicore Score

Multicore performance score for Atom N550 based on multi-threaded benchmark results.

4,241 Rank: 1930
Rank Name Score Visual
1926 Athlon 64 3200+ 4,243
+0%
1927 Atom D2700 4,243
+0%
1928 Core 2 Duo E8200 4,242
+0%
1929 Celeron N3000 4,241
+0%
1930 Atom N550 4,241
1931 Celeron N2807 4,241
+0%
1932 Pentium SU2700 4,241
+0%
1933 Athlon 64 2800+ 4,241
+0%
1934 Athlon II X4 640 4,240
+-0%
1935 A4-4355M 4,240
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Atom N550 based on single-threaded benchmark results.

3,548 Rank: 2003
Rank Name Score Visual
1999 Athlon X2 BE-2400 3,565
+0.5%
2000 Celeron N2807 3,557
+0.3%
2001 Celeron N3000 3,555
+0.2%
2002 Intel Celeron J3060 3,553
+0.1%
2003 Atom N550 3,548
2004 Intel Atom x5-Z8500 3,545
-0.1%
2005 C-60 3,545
-0.1%
2006 Celeron N2815 3,544
-0.1%
2007 Atom Z3775 3,543
-0.1%
2008 Atom Z3740 3,542
-0.2%

View full ranking →

Workload Scores

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

Number Crunching

Aggregated score for Atom N550 based on integer math, floating point math, and prime number computation benchmarks.

4,457 Rank: 1755
Rank Name Score Visual
1751 Atom N570 4,458
+0%
1752 Atom N2600 4,458
+0%
1753 C-70 4,458
+0%
1754 C-50 4,457
+0%
1755 Atom N550 4,457
1756 Celeron 430 4,457
+0%
1757 Sempron 3200+ 4,457
+0%
1758 Pentium 4 3.00GHz 4,456
+-0%
1759 Pentium SU2700 4,456
+-0%
1760 Athlon 64 3200+ 4,455
+-0%

View full ranking →

Data Processing

Aggregated score for Atom N550 based on data encryption, data compression, and string sorting benchmarks.

4,426 Rank: 1747
Rank Name Score Visual
1743 E1-1500 4,428
+0%
1744 Celeron 807 4,426
+0%
1745 Athlon 64 4000+ 4,426
+0%
1746 E-300 4,426
+0%
1747 Atom N550 4,426
1748 Athlon 64 3500+ 4,425
+-0%
1749 Pentium 4 3.00GHz 4,425
+-0%
1750 Atom D2500 4,425
+-0%
1751 C-70 4,425
+-0%
1752 Athlon 64 3200+ 4,424
+-0%

View full ranking →

Physics & Compute

Aggregated score for Atom N550 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,439 Rank: 1744
Rank Name Score Visual
1740 Atom 330 4,439
+0%
1741 V140 4,439
+0%
1742 E1-2100 4,439
+0%
1743 A4-1250 4,439
+0%
1744 Atom N550 4,439
1745 V120 4,438
+-0%
1746 Pentium 4 3.00GHz 4,438
+-0%
1747 Athlon 64 3500+ 4,437
+-0%
1748 E1-1200 4,437
+-0%
1749 E1-1500 4,437
+-0%

View full ranking →

Atom N550 Details

The Intel Atom N550, launched in August 2010, stands as a testament to early efforts in power-efficient mobile computing. Built on the 45 nm process and based on the Pineview microarchitecture, this processor was designed for low-power notebooks and netbooks where thermal constraints and battery life were paramount. Despite its age, the Atom N550 remains notable for its integration of Hyper-Threading technology, effectively doubling the thread count to four, which was a rare feature at the time for such a low-power device. Its TDP of just 8.5 W underscores its focus on energy efficiency, making it suitable for lightweight computing tasks rather than demanding applications.

The N550 features two physical cores with a base clock of 1.5 GHz and a turbo frequency of up to 1.86 GHz. It supports a 2.5 GT/s bus speed and operates on the FCBGA559 package, which was common for mobile platforms of that era. The processor includes 0.061 MiB of L1 cache and 0.488 MiB of L2 cache per core, totaling 0.976 MiB across both cores. It supports DDR3 memory with a maximum capacity of 2 GB and a bandwidth of 6.4 GB/s, though only one memory channel is available. Integrated graphics are provided by the GMA 3150, which operates at 200 MHz base frequency and can boost to 756 MHz, supporting up to two displays.

Despite its age, the Atom N550's performance remains a benchmark for comparison in the low-end mobile segment. In Passmark’s overall scoring, it achieves a score of 3,825, ranking #2,008 out of 2,060 processors, placing it near the bottom of the performance spectrum. The single-core score of 3,548 ranks #2,003, indicating that its performance per core is limited, while the multicore score of 4,241 ranks #1,929, reflecting modest gains from Hyper-Threading. It performs worse than nearly all modern processors, including the Celeron N2815 and Celeron J3060, both of which offer higher clock speeds and more advanced architectures.

In the broader context of modern computing, the Atom N550 is not competitive with current mainstream CPUs. Its lack of support for SSE4.1 and SSE4.2, which are essential for many modern applications and games, limits its usability. Additionally, the absence of AVX2 and other newer instruction sets further reduces its relevance in today’s software environment. However, it still holds value in niche applications such as embedded systems, legacy device support, or as a reference point for understanding the evolution of low-power processors.

As of March 2026, the Intel Atom N550 serves as a historical marker in the development of mobile computing. While it is far from capable of handling modern workloads, its design principles—efficiency, integration, and affordability—continue to influence today’s low-power processors. It remains best suited for basic productivity, web browsing, and media playback on older hardware, where its low power draw and thermal efficiency are still advantageous.
Frequently Compared

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Intel Atom N550

Main Specifications

Designer: Intel
Name: Atom N550
Model Number: N550
Cores: 2
Threads: 4
Base Frequency: 1500 MHz
Clock Multiplier: 13x (locked)
Core Name: Pineview
Socket: FCBGA559
Package: µFCBGA8
Target Segment: Mobile
Max CPUs: 1
TDP: 8.5 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.488 MiB

Memory Specifications

Supported Memory Type: DDR3
Memory Channels: 1
Maximum Memory: 0 GB
Maximum Bandwidth: 6.4 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 4
PCIe Configuration: 1x4/2x2/1x2 + 2x1/4x1

Integrated Graphics

GPU: Integrated
GPU Designer: Intel
GPU Max Frequency: 756 MHz

Physical Specifications

Process: 45 nm
Die Area: 87 mm²
Transistor Count: 0.00 billion
Manufacturer: Intel
Word Size: 64-bit

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA 3DNow! E3DNow!
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