A9-9420e vs A8-4500M

Place in the ranking	2433	2720
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD A-Series	AMD Bristol Ridge
Power efficiency	2.86	4.41
Architecture codename	Trinity (2012−2013)	Stoney Ridge (2016−2019)
Release date	15 May 2012 (12 years ago)	1 June 2018 (6 years ago)

Detailed specifications

A8-4500M and A9-9420e 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
Base clock speed	1.9 GHz	no data
Boost clock speed	2.8 GHz	no data
L1 cache	192 KB	no data
L2 cache	4 MB (shared)	1 MB
L3 cache	0 KB	no data
Chip lithography	32 nm	28 nm
Die size	246 mm²	124.5 mm²
Maximum core temperature	no data	90 °C
Number of transistors	1,178 million	1200 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on A8-4500M and A9-9420e 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	FS1r2	BGA
Power consumption (TDP)	35 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-4500M and A9-9420e. You'll probably need this information if you require some particular technology.

Instruction set extensions	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA	Virtualization,
AES-NI	+	-
FMA	+	-
AVX	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by A8-4500M and A9-9420e are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-4500M and A9-9420e. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

unknown

DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare

AMD Radeon HD 7640G (496 - 685 MHz)

AMD Radeon R5 (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.

A8-4500M 1.06
+51.4%

A9-9420e 0.70

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.

A8-4500M 1685
+52.2%

A9-9420e 1107

Gaming performance

Pros & cons summary

Performance score	1.06	0.70
Integrated graphics card	1.19	1.48
Recency	15 May 2012	1 June 2018
Physical cores	4	2
Threads	4	2
Chip lithography	32 nm	28 nm
Power consumption (TDP)	35 Watt	15 Watt

A8-4500M has a 51.4% higher aggregate performance score, and 100% more physical cores and 100% more threads.

A9-9420e, on the other hand, has 24.4% faster integrated GPU, an age advantage of 6 years, a 14.3% more advanced lithography process, and 133.3% lower power consumption.

The A8-4500M is our recommended choice as it beats the A9-9420e in performance tests.

Should you still have questions on choice between A8-4500M and A9-9420e, ask them in Comments section, and we shall answer.