Intel Core Ultra 7 155H vs Intel Core i7-12800HX

Comparative analysis of Intel Core Ultra 7 155H and Intel Core i7-12800HX 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 155H

Intel Core i7-12800HX

Differences

Reasons to consider the Intel Core Ultra 7 155H

CPU is newer: launch date 1 year(s) 7 month(s) later
Around 10% higher maximum core temperature: 110°C vs 100°C
Around 40% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 60% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 96% lower typical power consumption: 28 Watt vs 55 Watt

Launch date	14 Dec 2023 vs 10 May 2022
Maximum core temperature	110°C vs 100°C
L1 cache	112 KB (per core) vs 1280 KB
L2 cache	2 MB (per core) vs 20 MB
Thermal Design Power (TDP)	28 Watt vs 55 Watt

Reasons to consider the Intel Core i7-12800HX

2 more threads: 24 vs 22
Around 4% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 6% better performance in PassMark - Single thread mark: 3734 vs 3523
Around 29% better performance in PassMark - CPU mark: 32122 vs 24971

Specifications (specs)
Number of threads	24 vs 22
L3 cache	25 MB vs 24 MB (shared)
Benchmarks
PassMark - Single thread mark	3734 vs 3523
PassMark - CPU mark	32122 vs 24971

Compare benchmarks

CPU 1: Intel Core Ultra 7 155H
CPU 2: Intel Core i7-12800HX

PassMark - Single thread mark

CPU 1

CPU 2

3523

3734

PassMark - CPU mark

CPU 1

CPU 2

24971

32122

Name	Intel Core Ultra 7 155H	Intel Core i7-12800HX
PassMark - Single thread mark	3523	3734
PassMark - CPU mark	24971	32122
3DMark Fire Strike - Physics Score		9175

Compare specifications (specs)

	Intel Core Ultra 7 155H	Intel Core i7-12800HX
Essentials
Launch date	14 Dec 2023	10 May 2022
Launch price (MSRP)	$503	$502
Place in performance rating	315	305
Architecture codename		Alder Lake
Processor Number		i7-12800HX
Series		12th Generation Intel Core i7 Processors
Vertical segment		Mobile
Performance
Base frequency	3.8 GHz
L1 cache	112 KB (per core)	1280 KB
L2 cache	2 MB (per core)	20 MB
L3 cache	24 MB (shared)	25 MB
Manufacturing process technology	7 nm	7 nm
Maximum core temperature	110°C	100°C
Maximum frequency	4.8 GHz	4.80 GHz
Number of cores	16	16
Number of threads	22	24
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
Max memory channels		2
Maximum memory bandwidth		76.8 GB/s
Maximum memory size		128 GB
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	Intel BGA 2049	FCBGA1964
Thermal Design Power (TDP)	28 Watt	55 Watt
Package Size		45.0 mm x 37.5 mm
Peripherals
PCIe configurations	Gen 5, 8 Lanes, (CPU only)	Up to 1x16+4, 2x8+4
Max number of PCIe lanes		20
PCI Express revision		5.0 and 4.0
Graphics
Execution Units		32
Graphics max dynamic frequency		1.45 GHz
Intel® Quick Sync Video
Processor graphics		Intel UHD Graphics for 12th Gen Intel Processors
Graphics interfaces
Number of displays supported		4
Graphics image quality
Max resolution over DisplayPort		7680 x 4320 @ 60Hz
Max resolution over eDP		5120 x 3200 @ 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)