A4-9120 vs A9-9420

Place in performance ranking	2373	2504
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Bristol Ridge	Bristol Ridge
Architecture codename	Stoney Ridge (2016−2019)	Stoney Ridge (2016−2019)
Release date	31 May 2016 (7 years ago)	1 June 2017 (6 years ago)
Current price	$440	$253

Detailed specifications

A9-9420 and A4-9120 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	2.2 GHz
Boost clock speed	3.6 GHz	2.5 GHz
L1 cache	128K (per core)	160 KB
L2 cache	1 MB (per core)	1 MB
Chip lithography	28 nm	28 nm
Die size	124.5 mm²	124.5 mm²
Maximum core temperature	90 °C	90 °C
Maximum case temperature (TCase)	74 °C	no data
Number of transistors	1,200 million	1200 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on A9-9420 and A4-9120 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	FT4	BGA
Power consumption (TDP)	15 Watt	10-15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A9-9420 and A4-9120. You'll probably need this information if you require some particular technology.

Instruction set extensions	Single-Channel DDR4-2133, Virtualization,	Single-Channel DDR4-2133, Virtualization,
AES-NI	+	no data
FMA	+	no data
AVX	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by A9-9420 and A4-9120 are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by A9-9420 and A4-9120. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Radeon R5

AMD Radeon R2 (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.

A9-9420 0.97
+22.8%

A4-9120 0.79

A9-9420 outperforms A4-9120 by 23% based on our aggregated benchmark results.

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.

Benchmark coverage: 68%

A9-9420 1497
+22.8%

A4-9120 1219

A9-9420 outperforms A4-9120 by 23% in Passmark.