Atom Z2520 vs i5-4340M

Primary details

Comparing Core i5-4340M and Atom Z2520 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1855	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	no data
Power efficiency	5.45	no data
Architecture codename	Haswell (2013−2015)	Clovertrail (2013)
Release date	19 January 2014 (10 years ago)	27 February 2013 (11 years ago)
Launch price (MSRP)	$266	no data

Detailed specifications

Core i5-4340M and Atom Z2520 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	4	4
Base clock speed	2.9 GHz	1.2 GHz
Boost clock speed	3.6 GHz	1.2 GHz
Bus rate	5 GT/s	no data
L1 cache	128 KB	64 KB (per core)
L2 cache	512 KB	512 KB (per core)
L3 cache	3 MB	0 KB
Chip lithography	22 nm	32 nm
Die size	130 mm2	65 mm2
Maximum core temperature	100 °C	90 °C
Number of transistors	960 Million	140 million
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-4340M and Atom Z2520 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
Socket	FCPGA946	FC-MB4760
Power consumption (TDP)	37 Watt	3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-4340M and Atom Z2520. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
Idle States	no data	+
Thermal Monitoring	+	+
PAE	no data	32 Bit
Smart Idle	no data	+

Security technologies

Core i5-4340M and Atom Z2520 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	-
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-4340M and Atom Z2520 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-4340M and Atom Z2520. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR2
Maximum memory size	32 GB	2 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	8.5 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4600	SGX 544MP2
Max video memory	2 GB	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.25 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-4340M and Atom Z2520 integrated GPUs.

Number of displays supported	3	2
eDP	+	no data
DisplayPort	+	-
HDMI	+	-

Graphics image quality

Maximum display resolutions supported by Core i5-4340M and Atom Z2520 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	2880x1800@60Hz	no data

Graphics API support

APIs supported by Core i5-4340M and Atom Z2520 integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-4340M and Atom Z2520.

PCIe version	3	no data
PCI Express lanes	16	no data
USB revision	no data	2.0 OTG, USB-SPH 2.0
Number of USB ports	no data	2
UART	no data	3

Pros & cons summary

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Recency	19 January 2014	27 February 2013
Chip lithography	22 nm	32 nm
Power consumption (TDP)	37 Watt	3 Watt

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Should you still have questions on choice between Core i5-4340M and Atom Z2520, ask them in Comments section, and we shall answer.

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