Atom C3850 vs Core Ultra 7 155H

Primary details

Comparing Core Ultra 7 155H and Atom C3850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	383	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Meteor Lake-H	Intel Atom
Architecture codename	Meteor Lake-H	Goldmont (2016−2017)
Release date	14 December 2023 (less than a year ago)	15 August 2017 (6 years ago)
Launch price (MSRP)	no data	$323
Current price	no data	$850 (2.6x MSRP)

Detailed specifications

Core Ultra 7 155H and Atom C3850 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	16 (Hexadeca-Core)	12 (Dodeca-Core)
Threads	22	12
Base clock speed	3.8 GHz	2.1 GHz
Boost clock speed	4.8 GHz	2.4 GHz
L1 cache	112 KB (per core)	672 KB
L2 cache	2 MB (per core)	12 MB
L3 cache	24 MB (shared)	12 MB
Chip lithography	7 nm	14 nm
Maximum core temperature	no data	78 °C
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	No	No

Compatibility

Information on Core Ultra 7 155H and Atom C3850 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	FCBGA2049	FCBGA1310
Power consumption (TDP)	28 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155H and Atom C3850. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	-
Speed Shift	+	no data
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	+	-
TSX	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	+	no data
SIPP	-	no data
Turbo Boost Max 3.0	+	no data
Status	Launched	Launched

Security technologies

Core Ultra 7 155H and Atom C3850 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+
Secure Boot	no data	+
Secure Key	+	+
SGX	no data	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155H and Atom C3850 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Atom C3850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5	DDR4: 2400
Maximum memory size	96 GB	256 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	34.134 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® Arc™ graphics	no data
Quick Sync Video	+	no data
Graphics max frequency	2.25 GHz	no data

Graphics interfaces

Available interfaces and connections of Core Ultra 7 155H and Atom C3850 integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 155H and Atom C3850 integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core Ultra 7 155H and Atom C3850 integrated GPUs, sometimes API versions are included.

DirectX	12.2	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155H and Atom C3850.

PCIe version	5.0	3
PCI Express lanes	28	16
PCI support	5.0 and 4.0	no data
USB revision	no data	3
Total number of SATA ports	no data	16
Max number of SATA 6 Gb/s Ports	no data	16
Number of USB ports	no data	8
Integrated LAN	no data	2x10/2.5/1 GBE

Pros & cons summary

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Recency	14 December 2023	15 August 2017
Physical cores	16	12
Threads	22	12
Chip lithography	7 nm	14 nm
Power consumption (TDP)	28 Watt	25 Watt

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Should you still have questions on choice between Core Ultra 7 155H and Atom C3850, ask them in Comments section, and we shall answer.

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