Intel Core Ultra 7 155U vs Intel Core i9-12900H

Comparative analysis of Intel Core Ultra 7 155U and Intel Core i9-12900H processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

Intel Core Ultra 7 155U

Intel Core i9-12900H

Differences

Reasons to consider the Intel Core Ultra 7 155U

CPU is newer: launch date 1 year(s) 11 month(s) later
Around 10% higher maximum core temperature: 110°C vs 100°C
Around 20% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 37% more L2 cache; more data can be stored in the L2 cache for quick access later
3x lower typical power consumption: 15 Watt vs 45 Watt

Launch date	14 Dec 2023 vs 4 Jan 2022
Maximum core temperature	110°C vs 100°C
L1 cache	112 KB (per core) vs 1120 KB
L2 cache	2 MB (per core) vs 17.5 MB
Thermal Design Power (TDP)	15 Watt vs 45 Watt

Reasons to consider the Intel Core i9-12900H

2 more cores, run more applications at once: 14 vs 12
6 more threads: 20 vs 14
Around 4% higher clock speed: 5.00 GHz vs 4.8 GHz
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 9% better performance in PassMark - Single thread mark: 3775 vs 3464
Around 66% better performance in PassMark - CPU mark: 27941 vs 16830

Specifications (specs)
Number of cores	14 vs 12
Number of threads	20 vs 14
Maximum frequency	5.00 GHz vs 4.8 GHz
L3 cache	24 MB vs 12 MB (shared)
Benchmarks
PassMark - Single thread mark	3775 vs 3464
PassMark - CPU mark	27941 vs 16830

Compare benchmarks

CPU 1: Intel Core Ultra 7 155U
CPU 2: Intel Core i9-12900H

PassMark - Single thread mark

CPU 1

CPU 2

3464

3775

PassMark - CPU mark

CPU 1

CPU 2

16830

27941

Name	Intel Core Ultra 7 155U	Intel Core i9-12900H
PassMark - Single thread mark	3464	3775
PassMark - CPU mark	16830	27941
3DMark Fire Strike - Physics Score		7124

Compare specifications (specs)

	Intel Core Ultra 7 155U	Intel Core i9-12900H
Essentials
Launch date	14 Dec 2023	4 Jan 2022
Launch price (MSRP)	$490	$617
Place in performance rating	420	415
Architecture codename		Alder Lake
Processor Number		i9-12900H
Series		12th Generation Intel Core i9 Processors
Vertical segment		Mobile
Performance
Base frequency	1700 MHz
L1 cache	112 KB (per core)	1120 KB
L2 cache	2 MB (per core)	17.5 MB
L3 cache	12 MB (shared)	24 MB
Manufacturing process technology	7 nm	7 nm
Maximum core temperature	110°C	100°C
Maximum frequency	4.8 GHz	5.00 GHz
Number of cores	12	14
Number of threads	14	20
Unlocked
64 bit support
Memory
ECC memory support
Supported memory types	DDR5, Depends on motherboard	Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s Up to LPDDR5 5200 MT/s Up to LPDDR4x 4267 MT/s
Max memory channels		2
Maximum memory size		64 GB
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	Intel BGA 2049	FCBGA1744
Thermal Design Power (TDP)	15 Watt	45 Watt
Package Size		50 x 25
Peripherals
PCIe configurations	Gen 4, 12 Lanes, (CPU only)
Max number of PCIe lanes		28
Graphics
Device ID		0x46A6
Execution Units		96
Graphics max dynamic frequency		1.45 GHz
Intel® Quick Sync Video
Processor graphics		Intel Iris Xe Graphics eligible
Graphics interfaces
Number of displays supported		4
Graphics image quality
Max resolution over DisplayPort		7680 x 4320 @ 60Hz
Max resolution over eDP		4096 x 2304 @ 120Hz
Graphics API support
DirectX		12.1
OpenGL		4.6
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Instruction set extensions		Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)