Intel Core Ultra 7 155U vs Intel Core i7-1355U

Comparative analysis of Intel Core Ultra 7 155U and Intel Core i7-1355U 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 i7-1355U

Differences

Reasons to consider the Intel Core Ultra 7 155U

CPU is newer: launch date 11 month(s) later
2 more cores, run more applications at once: 12 vs 10
2 more threads: 14 vs 12
Around 10% higher maximum core temperature: 110°C vs 100°C
Around 68% more L1 cache; more data can be stored in the L1 cache for quick access later
2516582.4x more L2 cache, more data can be stored in the L2 cache for quick access later
1048576x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 13% better performance in PassMark - CPU mark: 16774 vs 14849

Specifications (specs)
Launch date	14 Dec 2023 vs 4 Jan 2023
Number of cores	12 vs 10
Number of threads	14 vs 12
Maximum core temperature	110°C vs 100°C
L1 cache	112 KB (per core) vs 80K (per core)
L2 cache	2 MB (per core) vs 1.25MB (per core)
L3 cache	12 MB (shared) vs 12MB (shared)
Benchmarks
PassMark - CPU mark	16774 vs 14849

Reasons to consider the Intel Core i7-1355U

Around 4% higher clock speed: 5.00 GHz vs 4.8 GHz
Around 2% better performance in PassMark - Single thread mark: 3504 vs 3440

Specifications (specs)
Maximum frequency	5.00 GHz vs 4.8 GHz
Benchmarks
PassMark - Single thread mark	3504 vs 3440

Compare benchmarks

CPU 1: Intel Core Ultra 7 155U
CPU 2: Intel Core i7-1355U

PassMark - Single thread mark

CPU 1

CPU 2

3440

3504

PassMark - CPU mark

CPU 1

CPU 2

16774

14849

Name	Intel Core Ultra 7 155U	Intel Core i7-1355U
PassMark - Single thread mark	3440	3504
PassMark - CPU mark	16774	14849

Compare specifications (specs)

	Intel Core Ultra 7 155U	Intel Core i7-1355U
Essentials
Launch date	14 Dec 2023	4 Jan 2023
Launch price (MSRP)	$490	$469
Place in performance rating	430	431
Architecture codename		Raptor Lake
Processor Number		i7-1355U
Series		13th Generation Intel Core i7 Processors
Vertical segment		Mobile
Performance
Base frequency	1700 MHz
L1 cache	112 KB (per core)	80K (per core)
L2 cache	2 MB (per core)	1.25MB (per core)
L3 cache	12 MB (shared)	12MB (shared)
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	10
Number of threads	14	12
Unlocked
64 bit support
Memory
ECC memory support
Supported memory types	DDR5, Depends on motherboard	Up to DDR5 5200 MT/s, Up to DDR4 3200 MT/s, Up to LPDDR5/x 6400 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	15 Watt
Package Size		50mm x25mm
Peripherals
PCIe configurations	Gen 4, 12 Lanes, (CPU only)
Max number of PCIe lanes		20
Graphics
Device ID		0xA7A1
Execution Units		96
Graphics max dynamic frequency		1.30 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)