A8-4557M vs Xeon W3540

Primary details

Comparing Xeon W3540 and A8-4557M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1937	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.21	no data
Market segment	Server	Laptop
Series	no data	AMD A-Series
Power efficiency	1.43	no data
Architecture codename	Bloomfield (2008−2010)	Trinity (2012−2013)
Release date	30 March 2009 (15 years ago)	15 May 2012 (12 years ago)
Launch price (MSRP)	$699	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W3540 and A8-4557M 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)	4 (Quad-Core)
Threads	8	4
Base clock speed	2.93 GHz	1.9 GHz
Boost clock speed	3.2 GHz	2.8 GHz
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	4 MB
L3 cache	8 MB (shared)	no data
Chip lithography	45 nm	32 nm
Die size	263 mm2	246 mm2
Maximum core temperature	68 °C	no data
Number of transistors	731 million	1303 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon W3540 and A8-4557M 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	FCLGA1366	BGA
Power consumption (TDP)	130 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W3540 and A8-4557M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA
AES-NI	-	+
FMA	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Demand Based Switching	+	no data
PAE	36 Bit	no data

Security technologies

Xeon W3540 and A8-4557M technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W3540 and A8-4557M are enumerated here.

VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W3540 and A8-4557M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	24 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

AMD Radeon HD 7640G (497 - 655 MHz)

Peripherals

Specifications and connection of peripherals supported by Xeon W3540 and A8-4557M.

PCIe version

2.0

no data

Pros & cons summary

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Recency	30 March 2009	15 May 2012
Threads	8	4
Chip lithography	45 nm	32 nm
Power consumption (TDP)	130 Watt	35 Watt

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Should you still have questions on choice between Xeon W3540 and A8-4557M, ask them in Comments section, and we shall answer.

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