A9-9420 vs A4-5100

Primary Details

Comparing A4-5100 and A9-9420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2424	2365
Place by popularity	29	not in top-100
Market segment	Laptop	Laptop
Series	AMD A-Series	AMD Bristol Ridge
Architecture codename	Kabini (2013−2014)	Stoney Ridge (2016−2019)
Release date	2 November 2013 (10 years ago)	31 May 2016 (7 years ago)
Current price	$105	$440

Detailed Specifications

A4-5100 and A9-9420 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	no data	3 GHz
Boost clock speed	1.55 GHz	3.6 GHz
L1 cache	no data	128K (per core)
L2 cache	2048 KB	1 MB (per core)
Chip lithography	28 nm	28 nm
Die size	no data	124.5 mm2
Maximum core temperature	no data	90 °C
Maximum case temperature (TCase)	no data	74 °C
Number of transistors	no data	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on A4-5100 and A9-9420 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	no data	1
Socket	FT3	FT4
Power consumption (TDP)	15 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A4-5100 and A9-9420. You'll probably need this information if you require some particular technology.

Instruction set extensions	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, DDR3L-1600	Single-Channel DDR4-2133, Virtualization,
AES-NI	+	+
FMA	FMA4	+
AVX	+	+
PowerTune	-	no data
TrueAudio	-	no data
PowerNow	+	no data
PowerGating	+	no data
Out-of-band client management	-	no data
VirusProtect	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by A4-5100 and A9-9420 are enumerated here.

AMD-V	1	+
IOMMU 2.0	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by A4-5100 and A9-9420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Max memory channels	1	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon HD 8330	Radeon R5
Enduro	+	no data
Switchable graphics	1	no data
UVD	+	no data
VCE	+	no data

Graphics interfaces

Available interfaces and connections of A4-5100 and A9-9420 integrated GPUs.

DisplayPort	+	no data
HDMI	+	no data

Graphics API support

APIs supported by A4-5100 and A9-9420 integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	1	no data

Peripherals

Specifications and connection of peripherals supported by A4-5100 and A9-9420.

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.

A9-9420 outperforms A4-5100 by 10% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	0.86	0.95
Recency	2 November 2013	31 May 2016
Physical cores	4	2
Threads	4	2

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Should you still have questions on choice between A4-5100 and A9-9420, ask them in Comments section, and we shall answer.

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