Sempron 3400+ vs Athlon II X2 280

Primary details

Comparing Athlon II X2 280 and Sempron 3400+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2576	3258
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.52	no data
Market segment	Desktop processor	Desktop processor
Power efficiency	1.24	0.27
Architecture codename	Regor (2009−2013)	Palermo (2001−2005)
Release date	6 February 2013 (11 years ago)	1 October 2005 (19 years ago)
Launch price (MSRP)	$100	$30

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Athlon II X2 280 and Sempron 3400+ 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)	1 (Single-Core)
Threads	2	1
Base clock speed	3.6 GHz	no data
Boost clock speed	3.6 GHz	2 GHz
L1 cache	128 KB	128 KB
L2 cache	1 MB	128 KB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	90 nm
Die size	117 mm2	103 mm2
Number of transistors	410 million	63 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Athlon II X2 280 and Sempron 3400+ 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
Socket	AM3	939
Power consumption (TDP)	65 Watt	62 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X2 280 and Sempron 3400+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2, DDR3

DDR1

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Athlon II X2 280 and Sempron 3400+.

PCIe version

2.0

no data

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	0.85	0.18
Recency	6 February 2013	1 October 2005
Physical cores	2	1
Threads	2	1
Chip lithography	45 nm	90 nm
Power consumption (TDP)	65 Watt	62 Watt

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Should you still have questions on choice between Athlon II X2 280 and Sempron 3400+, ask them in Comments section, and we shall answer.

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