A4-9120C vs Atom E3845

Place in the ranking	2741	2841
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Atom	AMD Bristol Ridge
Power efficiency	6.25	8.52
Architecture codename	Bay Trail-I (2013)	Stoney Ridge (2016−2019)
Release date	8 October 2013 (11 years ago)	6 January 2019 (5 years ago)

Detailed specifications

Atom E3845 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Boost clock speed	1.91 GHz	1.6 GHz
Multiplier	no data	16
L1 cache	64 KB (per core)	160 KB
L2 cache	512 KB (per core)	1 MB
L3 cache	0 KB	no data
Chip lithography	22 nm	28 nm
Die size	no data	124.5 mm²
Number of transistors	no data	1200 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom E3845 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	Intel BGA1170	BGA
Power consumption (TDP)	10 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom E3845 and A4-9120C. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Virtualization,
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom E3845 and A4-9120C are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom E3845 and A4-9120C. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory bandwidth	no data	14.936 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare

Intel HD Graphics

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.

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.

Atom E3845 0.66
+22.2%

A4-9120C 0.54

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.

Atom E3845 1052
+23.8%

A4-9120C 850

Gaming performance

Pros & cons summary

Performance score	0.66	0.54
Integrated graphics card	0.77	1.17
Recency	8 October 2013	6 January 2019
Physical cores	4	2
Threads	4	2
Chip lithography	22 nm	28 nm
Power consumption (TDP)	10 Watt	6 Watt

Atom E3845 has a 22.2% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 27.3% more advanced lithography process.

A4-9120C, on the other hand, has 51.9% faster integrated GPU, an age advantage of 5 years, and 66.7% lower power consumption.

The Atom E3845 is our recommended choice as it beats the A4-9120C in performance tests.

Should you still have questions on choice between Atom E3845 and A4-9120C, ask them in Comments section, and we shall answer.