A4-9120C vs Atom N455

Primary details

Comparing Atom N455 and A4-9120C processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	2837
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Atom	AMD Bristol Ridge
Power efficiency	no data	8.51
Architecture codename	Pinetrail (2009−2011)	Stoney Ridge (2016−2019)
Release date	1 June 2010 (14 years ago)	6 January 2019 (5 years ago)
Launch price (MSRP)	$64	no data

Detailed specifications

Atom N455 and A4-9120C 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	1 (Single-Core)	2 (Dual-core)
Threads	2	2
Base clock speed	1.66 GHz	no data
Boost clock speed	1.67 GHz	1.6 GHz
Bus rate	533 MHz	no data
Multiplier	no data	16
L1 cache	64 KB (per core)	160 KB
L2 cache	512K (per core)	1 MB
L3 cache	0 KB	no data
Chip lithography	45 nm	28 nm
Die size	66 mm2	124.5 mm2
Maximum core temperature	100 °C	no data
Number of transistors	123 million	1200 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom N455 and A4-9120C 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	no data
Socket	FCBGA559	BGA
Power consumption (TDP)	6.5 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N455 and A4-9120C. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Virtualization,
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data

Security technologies

Atom N455 and A4-9120C technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom N455 and A4-9120C are enumerated here.

AMD-V	-	+
VT-d	-	no data
VT-x	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom N455 and A4-9120C. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	2 GB	no data
Max memory channels	1	no data
Maximum memory bandwidth	no data	14.936 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

Intel GMA 3150

AMD Radeon R4 (Stoney Ridge)

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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Pros & cons summary

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Recency	1 June 2010	6 January 2019
Physical cores	1	2
Chip lithography	45 nm	28 nm

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Should you still have questions on choice between Atom N455 and A4-9120C, ask them in Comments section, and we shall answer.

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