Core Ultra 7 155U vs Atom Z3770

Primary details

Comparing Atom Z3770 and Core Ultra 7 155U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	681
Place by popularity	21	not in top-100
Market segment	Laptop	Laptop
Series	no data	Intel Meteor Lake-U
Architecture codename	Bay Trail-T (2013−2014)	Meteor Lake-P
Release date	27 September 2013 (10 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$37	no data
Current price	$118 (3.2x MSRP)	no data

Detailed specifications

Atom Z3770 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	4 (Quad-Core)	12 (Dodeca-Core)
Threads	4	142 x 4.8  GHz Intel Redwood Cove P-Core8 x 3.8  GHz Intel Crestmont E-Core2 x 2.1  GHz Intel Crestmont E-Core
Base clock speed	1.46 GHz	1.7 GHz
Boost clock speed	2.39 GHz	4.8 GHz
L1 cache	64K (per core)	112 KB (per core)
L2 cache	512K (per core)	2 MB (per core)
L3 cache	0 KB	12 MB (shared)
Chip lithography	22 nm	7 nm
Maximum core temperature	90 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Atom Z3770 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	UTFCBGA1380	FCBGA2049
Power consumption (TDP)	8 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z3770 and Core Ultra 7 155U. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	no data	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Hyper-Threading Technology	no data	+
TSX	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	+
SIPP	no data	-
Turbo Boost Max 3.0	no data	-
Status	Discontinued	Launched

Security technologies

Atom Z3770 and Core Ultra 7 155U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z3770 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 Z3770 and Core Ultra 7 155U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	4 GB	96 GB
Max memory channels	2	2
Maximum memory bandwidth	17.1 GB/s	no data
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Intel Atom® Processor Z3700 Series	Intel® Graphics
Quick Sync Video	+	+
Clear Video HD	+	no data
Graphics max frequency	667 MHz	1.95 GHz

Graphics interfaces

Available interfaces and connections of Atom Z3770 and Core Ultra 7 155U integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Atom Z3770 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 Z3770 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 Z3770 and Core Ultra 7 155U.

PCIe version	no data	4.0
PCI Express lanes	no data	20
PCI support	no data	4.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Recency	27 September 2013	14 December 2023
Physical cores	4	12
Threads	4	142 x 4.8 GHz Intel Redwood Cove P-Core8 x 3.8 GHz Intel Crestmont E-Core2 x 2.1 GHz Intel Crestmont E-Core
Chip lithography	22 nm	7 nm
Power consumption (TDP)	8 Watt	15 Watt

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