Ryzen 7 7840HS vs A4-3420

Primary details

Comparing A4-3420 and Ryzen 7 7840HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2628	287
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.78	no data
Market segment	Desktop processor	Laptop
Architecture codename	Llano (2011−2012)	Phoenix-HS (Zen 4)
Release date	20 December 2011 (12 years ago)	January 2023 (1 year ago)
Current price	$18.27	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

A4-3420 and Ryzen 7 7840HS 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)	8 (Octa-Core)
Threads	2	16
Base clock speed	2.8 GHz	3.8 GHz
Boost clock speed	2.8 GHz	5.1 GHz
L1 cache	128 KB (per core)	64K (per core)
L2 cache	512 KB (per core)	1 MB (per core)
L3 cache	0 KB	16 MB (shared)
Chip lithography	32 nm	4 nm
Die size	228 mm2	178 mm2
Maximum core temperature	no data	100 °C
Number of transistors	1,178 million	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on A4-3420 and Ryzen 7 7840HS 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	FM1	FP8
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A4-3420 and Ryzen 7 7840HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	DDR5-5600/LPDDR5x-7500 RAM (incl. ECC), PCIe 4, Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	no data	+
FMA	no data	+
AVX	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by A4-3420 and Ryzen 7 7840HS are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A4-3420 and Ryzen 7 7840HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Radeon HD 6410D

AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by A4-3420 and Ryzen 7 7840HS.

PCIe version	no data	4.0
PCI Express lanes	no data	20

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.

Ryzen 7 7840HS outperforms A4-3420 by 2654% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	0.68	18.73
Physical cores	2	8
Threads	2	16
Chip lithography	32 nm	4 nm
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between A4-3420 and Ryzen 7 7840HS, ask them in Comments section, and we shall answer.

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