A4-5145M vs A8-4557M

Primary details

Comparing A8-4557M and A4-5145M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD A-Series	AMD A-Series
Architecture codename	Trinity (2012−2013)	Richland (2013−2014)
Release date	15 May 2012 (12 years ago)	1 June 2013 (11 years ago)
Current price	$60	$210

Detailed specifications

A8-4557M and A4-5145M 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	2 GHz
Boost clock speed	2.8 GHz	2.6 GHz
L1 cache	no data	128 KB (per core)
L2 cache	4 MB	512K (per core)
L3 cache	no data	0 KB
Chip lithography	32 nm	32 nm
Die size	246 mm2	246 mm2
Maximum case temperature (TCase)	no data	71 °C
Number of transistors	1303 Million	1,178 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on A8-4557M and A4-5145M 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	FP2
Power consumption (TDP)	35 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-4557M and A4-5145M. 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	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA, DDR3-1333 Controller
AES-NI	+	+
FMA	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-4557M and A4-5145M are enumerated here.

AMD-V

no data

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-4557M and A4-5145M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

AMD Radeon HD 7640G

AMD Radeon HD 8310G

Pros & cons summary

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Recency	15 May 2012	1 June 2013
Physical cores	4	2
Threads	4	2
Power consumption (TDP)	35 Watt	17 Watt

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Should you still have questions on choice between A8-4557M and A4-5145M, ask them in Comments section, and we shall answer.

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