Pentium G620 vs A9-9420

Primary details

Comparing A9-9420 and Pentium G620 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2397	2533
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	7.43
Market segment	Laptop	Desktop processor
Series	AMD Bristol Ridge	no data
Architecture codename	Stoney Ridge (2016−2019)	Sandy Bridge (2011−2013)
Release date	31 May 2016 (8 years ago)	22 May 2011 (13 years ago)
Launch price (MSRP)	no data	$60
Current price	$440	$14.96 (0.2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

A9-9420 and Pentium G620 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	2
Base clock speed	3 GHz	2.6 GHz
Boost clock speed	3.6 GHz	2.6 GHz
L1 cache	160 KB	64 KB (per core)
L2 cache	1 MB (shared)	256 KB (per core)
L3 cache	no data	3 MB (shared)
Chip lithography	28 nm	32 nm
Die size	125 mm2	131 mm2
Maximum core temperature	90 °C	69 °C
Maximum case temperature (TCase)	74 °C	no data
Number of transistors	1,200 million	504 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on A9-9420 and Pentium G620 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	FT4	FCLGA1155
Power consumption (TDP)	15 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A9-9420 and Pentium G620. You'll probably need this information if you require some particular technology.

Instruction set extensions	Single-Channel DDR4-2133, Virtualization,	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
FMA	+	no data
AVX	+	+
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	-
Hyper-Threading Technology	no data	-
Idle States	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	+
FDI	no data	+
Fast Memory Access	no data	+
Status	no data	Discontinued

Security technologies

A9-9420 and Pentium G620 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 A9-9420 and Pentium G620 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by A9-9420 and Pentium G620. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3
Maximum memory size	no data	32 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	17 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Radeon R5	Intel® HD Graphics for 2nd Generation Intel® Processors
Graphics max frequency	no data	1.1 GHz

Graphics interfaces

Available interfaces and connections of A9-9420 and Pentium G620 integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by A9-9420 and Pentium G620.

PCIe version	3.0	2.0
PCI Express lanes	8	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 Pentium G620 by 24% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	0.97	0.78
Recency	31 May 2016	22 May 2011
Chip lithography	28 nm	32 nm
Power consumption (TDP)	15 Watt	65 Watt

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Should you still have questions on choice between A9-9420 and Pentium G620, ask them in Comments section, and we shall answer.

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