Phenom II X4 945 (95W) vs Atom Z540

Primary details

Comparing Atom Z540 and Phenom II X4 945 (95W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3187	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Atom	no data
Power efficiency	8.68	no data
Architecture codename	Silverthorne (2008−2010)	Deneb (2009−2011)
Release date	2 April 2008 (16 years ago)	22 July 2009 (15 years ago)
Launch price (MSRP)	$160	no data

Detailed specifications

Atom Z540 and Phenom II X4 945 (95W) 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	1 (Single-Core)	4 (Quad-Core)
Threads	2	4
Base clock speed	1.86 GHz	3 GHz
Boost clock speed	0.07 GHz	3 GHz
Bus type	FSB	no data
Bus rate	533.33 MT/s	no data
Multiplier	14	no data
L1 cache	56 KB	128 KB (per core)
L2 cache	512 KB	512 KB (per core)
L3 cache	0 KB	6 MB (shared)
Chip lithography	45 nm	45 nm
Die size	24.18 mm2	258 mm2
Maximum core temperature	90 °C	no data
Number of transistors	47 Million	758 million
64 bit support	-	+
Windows 11 compatibility	-	-
VID voltage range	0.75 -1.1V	no data

Compatibility

Information on Atom Z540 and Phenom II X4 945 (95W) 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 (Uniprocessor)	1
Socket	PBGA441	AM3
Power consumption (TDP)	2.4 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z540 and Phenom II X4 945 (95W). You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	+	no data
FSB parity	-	no data

Security technologies

Atom Z540 and Phenom II X4 945 (95W) 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 Atom Z540 and Phenom II X4 945 (95W) are enumerated here.

AMD-V	-	+
VT-d	-	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z540 and Phenom II X4 945 (95W). 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

-

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Atom Z540 and Phenom II X4 945 (95W).

PCIe version

no data

2.0

Pros & cons summary

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Recency	2 April 2008	22 July 2009
Physical cores	1	4
Threads	2	4
Power consumption (TDP)	2 Watt	95 Watt

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Should you still have questions on choice between Atom Z540 and Phenom II X4 945 (95W), ask them in Comments section, and we shall answer.

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