Atom E3845 vs A9-9420e

Place in the ranking	2705	2741
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Bristol Ridge	Atom
Power efficiency	4.42	6.25
Architecture codename	Stoney Ridge (2016−2019)	Bay Trail-I (2013)
Release date	1 June 2018 (6 years ago)	8 October 2013 (11 years ago)

Detailed specifications

A9-9420e and Atom E3845 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)	4 (Quad-Core)
Threads	2	4
Boost clock speed	no data	1.91 GHz
L1 cache	no data	64 KB (per core)
L2 cache	1 MB	512 KB (per core)
L3 cache	no data	0 KB
Chip lithography	28 nm	22 nm
Die size	124.5 mm²	no data
Maximum core temperature	90 °C	no data
Number of transistors	1200 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on A9-9420e and Atom E3845 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	BGA	Intel BGA1170
Power consumption (TDP)	15 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A9-9420e and Atom E3845. You'll probably need this information if you require some particular technology.

Instruction set extensions	Virtualization,	no data
Enhanced SpeedStep (EIST)	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by A9-9420e and Atom E3845 are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by A9-9420e and Atom E3845. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR4

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare

AMD Radeon R5 (Stoney Ridge)

Intel HD Graphics

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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.

A9-9420e 0.70
+6.1%

Atom E3845 0.66

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

A9-9420e 1107
+5.2%

Atom E3845 1052

Gaming performance

Pros & cons summary

Performance score	0.70	0.66
Integrated graphics card	1.48	0.77
Recency	1 June 2018	8 October 2013
Physical cores	2	4
Threads	2	4
Chip lithography	28 nm	22 nm
Power consumption (TDP)	15 Watt	10 Watt

A9-9420e has a 6.1% higher aggregate performance score, 92.2% faster integrated GPU, and an age advantage of 4 years.

Atom E3845, on the other hand, has 100% more physical cores and 100% more threads, a 27.3% more advanced lithography process, and 50% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between A9-9420e and Atom E3845.

Should you still have questions on choice between A9-9420e and Atom E3845, ask them in Comments section, and we shall answer.