Ultra 7 155U vs Atom Z2520

Primary details

Comparing Atom Z2520 and Core Ultra 7 155U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	742
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	no data	Intel Meteor Lake-U
Power efficiency	no data	66.50
Architecture codename	Clovertrail (2013)	Meteor Lake-P (2023)
Release date	27 February 2013 (11 years ago)	14 December 2023 (1 year ago)
Launch price (MSRP)	no data	$490

Detailed specifications

Atom Z2520 and Core Ultra 7 155U 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)	12 (Dodeca-Core)
Threads	4	14
Base clock speed	1.2 GHz	1.7 GHz
Boost clock speed	1.2 GHz	4.8 GHz
L1 cache	64 KB (per core)	112 KB (per core)
L2 cache	512 KB (per core)	2 MB (per core)
L3 cache	0 KB	12 MB (shared)
Chip lithography	32 nm	Intel 4 nm
Die size	65 mm2	no data
Maximum core temperature	90 °C	110 °C
Number of transistors	140 million	no data
64 bit support	-	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom Z2520 and Core Ultra 7 155U 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	FC-MB4760	FCBGA2049
Power consumption (TDP)	3 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z2520 and Core Ultra 7 155U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	no data	+
PAE	32 Bit	no data
Turbo Boost Max 3.0	no data	-
Smart Idle	+	no data
Deep Learning Boost	-	+
Supported AI Software Frameworks	-	OpenVINO™, WindowsML, ONNX RT

Security technologies

Atom Z2520 and Core Ultra 7 155U technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z2520 and Core Ultra 7 155U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z2520 and Core Ultra 7 155U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR5
Maximum memory size	2 GB	96 GB
Max memory channels	2	2
Maximum memory bandwidth	8.5 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	SGX 544MP2	Intel® Graphics
Quick Sync Video	-	+
Graphics max frequency	no data	1.95 GHz

Graphics interfaces

Available interfaces and connections of Atom Z2520 and Core Ultra 7 155U integrated GPUs.

Number of displays supported

2

4

Graphics image quality

Maximum display resolutions supported by Atom Z2520 and Core Ultra 7 155U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP	no data	3840x2400 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Atom Z2520 and Core Ultra 7 155U integrated GPUs, sometimes API versions are included.

DirectX	no data	12.2
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Atom Z2520 and Core Ultra 7 155U.

PCIe version	no data	4.0
PCI Express lanes	no data	12
PCI support	no data	4.0
USB revision	2.0 OTG, USB-SPH 2.0	no data
Number of USB ports	2	no data
UART	3	no data

Pros & cons summary

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Recency	27 February 2013	14 December 2023
Physical cores	2	12
Threads	4	14
Power consumption (TDP)	3 Watt	15 Watt

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