Atom N450

Details and Benchmarks for Intel Atom N450

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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 N450 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

3,959 Rank: 1923
Rank Name Score Visual
1919 Intel Pentium P6000 3,967
+0.2%
1920 C-50 3,961
+0.1%
1921 Athlon 64 3500+ 3,960
+0%
1922 E2-6110 3,960
+0%
1923 Atom N450 3,959
1924 Pentium SU4100 3,957
-0.1%
1925 Celeron 807UE 3,956
-0.1%
1926 Atom N455 3,956
-0.1%
1927 Celeron N3060 3,953
-0.2%
1928 Celeron 807 3,952
-0.2%

View full ranking →

Multicore Score

Multicore performance score for Atom N450 based on multi-threaded benchmark results.

4,231 Rank: 1958
Rank Name Score Visual
1954 Celeron 847 4,233
+0%
1955 E2-1800 4,232
+0%
1956 E-450 4,231
+0%
1957 E-350 4,231
+0%
1958 Atom N450 4,231
1959 Atom N455 4,231
+0%
1960 A6-9500E 4,230
+-0%
1961 Core 2 Duo P7450 4,230
+-0%
1962 Intel Core i5-430UM 4,229
+-0%
1963 Core i3-4005U 4,229
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Atom N450 based on single-threaded benchmark results.

3,777 Rank: 1904
Rank Name Score Visual
1900 Phenom X4 9750 3,786
+0.2%
1901 Athlon II X4 600e 3,784
+0.2%
1902 Phenom X3 8650 3,781
+0.1%
1903 Pentium N3710 3,777
+0%
1904 Atom N450 3,777
1905 Athlon 5150 3,777
+0%
1906 Core i3-2367M 3,776
+-0%
1907 E2-7110 3,776
+-0%
1908 Intel Pentium P6000 3,774
-0.1%
1909 E2-9000e 3,774
-0.1%

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 N450 based on integer math, floating point math, and prime number computation benchmarks.

4,452 Rank: 1763
Rank Name Score Visual
1759 Pentium SU2700 4,456
+0.1%
1760 Athlon 64 3200+ 4,455
+0.1%
1761 Sempron 2500+ 4,454
+0%
1762 Atom D2500 4,453
+0%
1763 Atom N450 4,452
1764 Atom N455 4,452
+0%
1765 Atom E3815 4,452
+0%
1766 Atom D425 4,451
+-0%
1767 Sempron LE-1250 4,431
-0.5%
1768 Atom 230 4,429
-0.5%

View full ranking →

Data Processing

Aggregated score for Atom N450 based on data encryption, data compression, and string sorting benchmarks.

4,418 Rank: 1763
Rank Name Score Visual
1759 C-50 4,421
+0.1%
1760 Pentium SU2700 4,419
+0%
1761 Sempron 2500+ 4,419
+0%
1762 Celeron 807UE 4,418
+0%
1763 Atom N450 4,418
1764 Atom N455 4,418
+0%
1765 Sempron 3200+ 4,418
+0%
1766 Atom N280 4,417
+-0%
1767 Atom E3815 4,417
+-0%
1768 Atom D425 4,417
+-0%

View full ranking →

Physics & Compute

Aggregated score for Atom N450 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,433 Rank: 1761
Rank Name Score Visual
1757 C-70 4,436
+0.1%
1758 Athlon 64 3200+ 4,435
+0%
1759 C-50 4,434
+0%
1760 Athlon 64 4000+ 4,433
+0%
1761 Atom N450 4,433
1762 Atom N455 4,433
+0%
1763 Sempron LE-1250 4,433
+0%
1764 Atom N280 4,432
+-0%
1765 Atom D425 4,432
+-0%
1766 Atom E3815 4,431
+-0%

View full ranking →

Atom N450 Details

The Intel Atom N450, launched in December 2009, remains one of the most energy-efficient mobile processors ever produced, offering a unique blend of low power consumption and basic computing capability. Built on Intel's 45 nm process and based on the Pineview architecture, this single-core chip was designed for ultra-low-power netbooks and embedded systems. With a TDP of just 5.5 W, it exemplifies the early push toward power-efficient mobile computing, making it ideal for battery-powered devices where thermal constraints are critical.

Despite its age, the Atom N450 delivers a modest performance profile, with a base clock of 1.66 GHz and a turbo frequency of 1.86 GHz. It features 512 KB of L2 cache and supports Intel Hyper-Threading, effectively enabling two threads per core, which helps manage light multitasking. The processor integrates the GMA 3150 graphics solution, capable of up to 756 MHz in burst mode, supporting up to two displays and handling basic multimedia tasks. Memory support is limited to DDR2 667 MHz, with a maximum of 2 GB, and the system is restricted to a single memory channel, capping bandwidth at 6.4 GB/s.

In benchmark testing, the Atom N450 scores 3,959 overall, placing it at #1923 out of 2060 processors in the Passmark database. Its single-core performance scores 3,777, ranking #1903, while its multicore score of 4,231 lands at #1956. These results reflect a design optimized for efficiency rather than raw power, with performance comparable to other low-end Atom and Celeron processors from the same era. While it outperforms some older mobile chips like the Pentium SU4100 and Celeron 807UE, it falls behind even modestly more recent processors such as the Intel Pentium P6000.

The N450 supports a broad array of instruction sets, including SSE, SSE2, SSE3, SSSE3, and AES-NI, enhancing its utility in basic encryption and multimedia applications. It also includes virtualization technologies like VT-x and VT-d, ECC memory support, and Intel's Enhanced SpeedStep (EIST) for dynamic power scaling. However, it lacks support for more advanced instruction sets like AVX2 and SSE4.2, which limits its compatibility with modern software and games.

As of March 2026, the Atom N450 is no longer relevant for mainstream computing, but it retains niche appeal in legacy systems, embedded applications, or as a low-power upgrade in older devices. Its standout feature remains its exceptional power efficiency, making it a relic of an era when battery life and thermal management were paramount. For users needing minimal processing for web browsing, office tasks, or media playback, the N450 remains a viable, if dated, option.
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Intel Atom N450

Main Specifications

Designer: Intel
Name: Atom N450
Model Number: N450
Cores: 1
Threads: 2
Base Frequency: 1660 MHz
Clock Multiplier: 14x (locked)
Core Name: Pineview
Socket: FCBGA559
Package: FC-BGA8
Target Segment: Mobile
Max CPUs: 1
TDP: 5.5 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.488 MiB

Memory Specifications

Supported Memory Type: DDR2 667
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: 66 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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