Athlon 300U vs A9-9420

Place in performance ranking	2387	1650
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Bristol Ridge	AMD Athlon
Architecture codename	Stoney Ridge (2016−2019)	Zen (2017−2020)
Release date	1 June 2016 (8 years ago)	6 January 2019 (5 years ago)
Current price	$440	$486

Detailed specifications

A9-9420 and Athlon 300U 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	4
Base clock speed	3 GHz	2.4 GHz
Boost clock speed	3.6 GHz	3.3 GHz
L1 cache	128K (per core)	192 KB
L2 cache	1 MB	1 MB
L3 cache	no data	4 MB
Chip lithography	28 nm	12 nm
Die size	124.5 mm²	209.78 mm²
Maximum core temperature	90 °C	no data
Maximum case temperature (TCase)	74 °C	no data
Number of transistors	1200 Million	4500 Million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on A9-9420 and Athlon 300U 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 (Uniprocessor)
Socket	BGA	AM4
Power consumption (TDP)	10-25 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A9-9420 and Athlon 300U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Single-Channel DDR4-2133, Virtualization,	XFR, FMA3, SSE 4.2, AVX2, SMT
AES-NI	+	+
FMA	+	no data
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by A9-9420 and Athlon 300U are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by A9-9420 and Athlon 300U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4 Dual-channel
Maximum memory size	no data	64 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	38.397 GB/s
ECC memory support	no data	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Radeon R5

AMD Radeon RX Vega 3

Peripherals

Specifications and connection of peripherals supported by A9-9420 and Athlon 300U.

PCIe version	no data	3.0
PCI Express lanes	no data	12

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

Athlon 300U 2.54
+162%

Athlon 300U outperforms A9-9420 by 162% 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

Athlon 300U 3923
+162%

Athlon 300U outperforms A9-9420 by 162% in Passmark.

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Benchmark coverage: 20%

A9-9420 2875

Athlon 300U 3968
+38%

Athlon 300U outperforms A9-9420 by 38% in Cinebench 10 32-bit single-core.

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Benchmark coverage: 19%

A9-9420 4841

Athlon 300U 8724
+80.2%

Athlon 300U outperforms A9-9420 by 80% in Cinebench 10 32-bit multi-core.

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Benchmark coverage: 18%

A9-9420 21.29

Athlon 300U 15.44
+37.9%

A9-9420 outperforms Athlon 300U by 38% in wPrime 32.

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Benchmark coverage: 15%

A9-9420 134

Athlon 300U 308
+130%

Athlon 300U outperforms A9-9420 by 130% in Cinebench 15 64-bit multi-core.

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Benchmark coverage: 15%

A9-9420 81

Athlon 300U 119
+46.9%

Athlon 300U outperforms A9-9420 by 47% in Cinebench 15 64-bit single-core.

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Benchmark coverage: 13%

A9-9420 1.1

Athlon 300U 1.9
+72.7%

Athlon 300U outperforms A9-9420 by 73% in TrueCrypt AES.