Athlon 300U vs Athlon II X2 250

Primary details

Comparing Athlon II X2 250 and Athlon 300U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2723	1756
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.61	no data
Market segment	Desktop processor	Laptop
Series	no data	AMD Athlon
Power efficiency	0.99	15.33
Architecture codename	Regor (2009−2013)	Raven Ridge 2 (2019)
Release date	2 June 2009 (15 years ago)	6 January 2019 (5 years ago)
Launch price (MSRP)	$39	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Athlon II X2 250 and Athlon 300U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	2 (Dual-core)
Threads	2	4
Base clock speed	3 GHz	2.4 GHz
Boost clock speed	3 GHz	3.3 GHz
Bus type	no data	PCIe 3.0
Multiplier	no data	24
L1 cache	256 KB	192 KB
L2 cache	2 MB	1 MB
L3 cache	0 KB	4 MB (shared)
Chip lithography	45 nm	14 nm
Die size	117 mm2	209.78 mm2
Number of transistors	410 million	4940 Million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Athlon II X2 250 and Athlon 300U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1 (Uniprocessor)
Socket	AM3	FP5
Power consumption (TDP)	65 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X2 250 and Athlon 300U. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	XFR, FMA3, SSE 4.2, AVX2, SMT
AES-NI	-	+
AVX	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X2 250 and Athlon 300U are enumerated here.

AMD-V

-

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X2 250 and Athlon 300U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4 Dual-channel
Maximum memory size	no data	64 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	38.397 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

AMD Radeon RX Vega 3

Peripherals

Specifications and connection of peripherals supported by Athlon II X2 250 and Athlon 300U.

PCIe version	2.0	3.0
PCI Express lanes	no data	12

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	0.68	2.44
Recency	2 June 2009	6 January 2019
Threads	2	4
Chip lithography	45 nm	14 nm
Power consumption (TDP)	65 Watt	15 Watt

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Should you still have questions on choice between Athlon II X2 250 and Athlon 300U, ask them in Comments section, and we shall answer.

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