Intel Core Ultra 7 155U vs Intel Core i7-1280P

Comparative analysis of Intel Core Ultra 7 155U and Intel Core i7-1280P 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.

Intel Core Ultra 7 155U

Intel Core i7-1280P

Differences

Reasons to consider the Intel Core Ultra 7 155U

CPU is newer: launch date 1 year(s) 9 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
Around 87% lower typical power consumption: 15 Watt vs 28 Watt
Around 3% better performance in PassMark - Single thread mark: 3442 vs 3331

Specifications (specs)
Launch date	14 Dec 2023 vs 23 Feb 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 28 Watt
Benchmarks
PassMark - Single thread mark	3442 vs 3331

Reasons to consider the Intel Core i7-1280P

2 more cores, run more applications at once: 14 vs 12
6 more threads: 20 vs 14
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 22% better performance in PassMark - CPU mark: 20480 vs 16794

Specifications (specs)
Number of cores	14 vs 12
Number of threads	20 vs 14
L3 cache	24 MB vs 12 MB (shared)
Benchmarks
PassMark - CPU mark	20480 vs 16794

Compare benchmarks

CPU 1: Intel Core Ultra 7 155U
CPU 2: Intel Core i7-1280P

PassMark - Single thread mark

CPU 1

CPU 2

3442

3331

PassMark - CPU mark

CPU 1

CPU 2

16794

20480

Name	Intel Core Ultra 7 155U	Intel Core i7-1280P
PassMark - Single thread mark	3442	3331
PassMark - CPU mark	16794	20480

Compare specifications (specs)

	Intel Core Ultra 7 155U	Intel Core i7-1280P
Essentials
Launch date	14 Dec 2023	23 Feb 2022
Launch price (MSRP)	$490	$482
Place in performance rating	430	434
Architecture codename		Alder Lake
Processor Number		i7-1280P
Series		12th Generation Intel Core i7 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	4.80 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	28 Watt
Package Size		50 x 25
Peripherals
PCIe configurations	Gen 4, 12 Lanes, (CPU only)
Max number of PCIe lanes		20
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)