Celeron G1820 vs Core Ultra 7 155H

Primary details

Comparing Core Ultra 7 155H and Celeron G1820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	383	2304
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.25
Market segment	Laptop	Desktop processor
Series	Intel Meteor Lake-H	no data
Architecture codename	Meteor Lake-H	Haswell (2013−2015)
Release date	14 December 2023 (less than a year ago)	1 December 2013 (10 years ago)
Launch price (MSRP)	no data	$110
Current price	no data	$45 (0.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core Ultra 7 155H and Celeron G1820 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)	2 (Dual-core)
Threads	22	2
Base clock speed	3.8 GHz	2.7 GHz
Boost clock speed	4.8 GHz	2.7 GHz
L1 cache	112 KB (per core)	64 KB (per core)
L2 cache	2 MB (per core)	256 KB (per core)
L3 cache	24 MB (shared)	2 MB
Chip lithography	7 nm	22 nm
Die size	no data	177 mm2
Maximum core temperature	no data	72 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	no data	1,400 million
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	No	No

Compatibility

Information on Core Ultra 7 155H and Celeron G1820 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	FCLGA1150
Power consumption (TDP)	28 Watt	53 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155H and Celeron G1820. You'll probably need this information if you require some particular technology.

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

Security technologies

Core Ultra 7 155H and Celeron G1820 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155H and Celeron G1820 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 Celeron G1820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5	DDR3
Maximum memory size	96 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	21.3 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® Arc™ graphics	Intel® HD Graphics for 4th Generation Intel® Processors
Max video memory	no data	1.7 GB
Quick Sync Video	+	+
Graphics max frequency	2.25 GHz	1.05 GHz

Graphics interfaces

Available interfaces and connections of Core Ultra 7 155H and Celeron G1820 integrated GPUs.

Number of displays supported	4	3
eDP	no data	+
DisplayPort	no data	+
HDMI	no data	+
DVI	no data	+
VGA	no data	+

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 155H and Celeron G1820 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)	1920x1080@60Hz
Max resolution over eDP	3840x2400 @ 120Hz	2560x1600@60Hz
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	2560x1600@60Hz
Max resolution over VGA	no data	1920x1200@60Hz

Graphics API support

APIs supported by Core Ultra 7 155H and Celeron G1820 integrated GPUs, sometimes API versions are included.

DirectX	12.2	11.1/12
OpenGL	4.6	4.3

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155H and Celeron G1820.

PCIe version	5.0	Up to 3.0
PCI Express lanes	28	16
PCI support	5.0 and 4.0	no data

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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Core Ultra 7 155H outperforms Celeron G1820 by 1369% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	16.16	1.10
Recency	14 December 2023	1 December 2013
Physical cores	16	2
Threads	22	2
Chip lithography	7 nm	22 nm
Power consumption (TDP)	28 Watt	53 Watt

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Should you still have questions on choice between Core Ultra 7 155H and Celeron G1820, ask them in Comments section, and we shall answer.

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