Athlon II M300 Benchmarks & Performance Report

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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 Athlon II M300 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,030 Rank: 1861

Rank	Name	Score	Visual
1857	Celeron J3455	4,033	+0.1%
1858	A6-7000	4,032	+0%
1859	A4-3305M	4,031	+0%
1860	Celeron B820	4,030	+0%
1861	Athlon II M300	4,030
1862	Sempron 140	4,030	+0%
1863	Phenom X4 9600B	4,026	-0.1%
1864	Pentium N3540	4,025	-0.1%
1865	V140	4,024	-0.1%
1866	Athlon II X4 600e	4,022	-0.2%

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Multicore Score

Multicore performance score for Athlon II M300 based on multi-threaded benchmark results.

4,278 Rank: 1828

Rank	Name	Score	Visual
1824	Athlon 64 4000+	4,279	+0%
1825	A4-3310MX	4,279	+0%
1826	A8-4555M	4,278	+0%
1827	A4-3300M	4,278	+0%
1828	Athlon II M300	4,278
1829	A6-5350M	4,278	+0%
1830	A6-1450	4,278	+0%
1831	Core i5 650	4,277	+-0%
1832	Celeron N2808	4,276	+-0%
1833	Athlon X2 BE-2400	4,276	+-0%

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Singlecore Score

Single-core performance score for Athlon II M300 based on single-threaded benchmark results.

3,864 Rank: 1855

Rank	Name	Score	Visual
1851	Celeron 450	3,870	+0.2%
1852	A4-7210	3,869	+0.1%
1853	Athlon 64 X2 4600+	3,865	+0%
1854	E1-6010	3,865	+0%
1855	Athlon II M300	3,864
1856	A6-7000	3,863	+-0%
1857	E1-1500	3,861	-0.1%
1858	Intel Core i5-430M	3,854	-0.3%
1859	Celeron 2980U	3,854	-0.3%
1860	Pentium J4205	3,849	-0.4%

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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 Athlon II M300 based on integer math, floating point math, and prime number computation benchmarks.

-- Rank: --

Number Crunching score not yet available.

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Data Processing

Aggregated score for Athlon II M300 based on data encryption, data compression, and string sorting benchmarks.

-- Rank: --

Data Processing score not yet available.

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Physics & Compute

Aggregated score for Athlon II M300 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

-- Rank: --

Physics & Compute score not yet available.

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Athlon II M300 Details

As of March 2026, the Athlon II M300 occupies a niche position in the broader CPU landscape, representing an older generation of desktop processors from AMD. While it's no longer competitive with modern high-performance chips, it still serves as a relevant example of mid-tier computing from the late 2000s and early 2010s. Designed for mainstream desktop use, the M300 is built on a 65 nm process and uses the PLGA775 socket, reflecting the era when integrated graphics were becoming standard but discrete GPUs were still dominant for performance workloads.

The processor features two cores and two threads, operating at a base frequency of 2.33 GHz with a turbo frequency of 1.86 GHz, which is modest by today’s standards. It supports DDR3 1066/1333 memory, with a maximum capacity of 16 GB and a memory bandwidth of 21.3 GB/s across two channels. The 65 W TDP makes it energy-efficient for its time, though it lacks modern power management features found in current designs. It also supports a range of advanced technologies, including SSE4.1, SSE4.2, AVX2, AES encryption, and virtualization extensions like VT-x and VT-d, indicating a design that balanced performance and versatility.

In terms of integrated graphics, the Athlon II M300 includes Intel HD Graphics with a base frequency of 350 MHz and a burst frequency of up to 1000 MHz. It supports up to two displays and can handle basic multimedia tasks, though it is not suitable for gaming or graphics-intensive applications. The integrated GPU is a legacy feature, as modern processors have moved toward more capable graphics solutions or rely on discrete components.

Benchmarking reveals that the Athlon II M300 has an overall score of 4030, placing it at #1860 out of 2060 processors in the dataset. Its single-core score of 3864 ranks #1855, while its multicore score of 4278 places it at #1826. These results position it behind more recent dual- and quad-core processors like the Core i5-430M and the Celeron N2808, yet it remains ahead of older dual-core chips such as the Athlon X2 BE-2400 and the Athlon II P360. The processor’s strongest performance lies in its multicore capability, though its single-core strength is limited, reflecting the constraints of its microarchitecture and process node.

Given its age and performance profile, the Athlon II M300 is best suited for basic office computing, light multimedia use, and legacy systems where cost and compatibility are priorities. It is not ideal for modern workloads such as video editing, gaming, or software development. For users seeking a low-cost upgrade path in older systems, the M300 provides a functional, if outdated, solution. In today’s market, it stands as a testament to the evolution of CPU design, where efficiency, performance, and integrated capabilities have dramatically improved over the past decade.