Intel Core i7-1355U vs Intel Core i7-1280P

Comparative analysis of Intel Core i7-1355U and Intel Core i7-1280P processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Core i7-1355U

Intel Core i7-1280P

Differences

Reasons to consider the Intel Core i7-1355U

CPU is newer: launch date 10 month(s) later
Around 4% higher clock speed: 5.00 GHz vs 4.80 GHz
Around 87% lower typical power consumption: 15 Watt vs 28 Watt
Around 5% better performance in PassMark - Single thread mark: 3506 vs 3327

Specifications (specs)
Launch date	4 Jan 2023 vs 23 Feb 2022
Maximum frequency	5.00 GHz vs 4.80 GHz
Thermal Design Power (TDP)	15 Watt vs 28 Watt
Benchmarks
PassMark - Single thread mark	3506 vs 3327

Reasons to consider the Intel Core i7-1280P

4 more cores, run more applications at once: 14 vs 10
8 more threads: 20 vs 12
Around 40% more L1 cache; more data can be stored in the L1 cache for quick access later
1835008x more L2 cache, more data can be stored in the L2 cache for quick access later
2097152x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 38% better performance in PassMark - CPU mark: 20474 vs 14848

Specifications (specs)
Number of cores	14 vs 10
Number of threads	20 vs 12
L1 cache	1120 KB vs 80K (per core)
L2 cache	17.5 MB vs 1.25MB (per core)
L3 cache	24 MB vs 12MB (shared)
Benchmarks
PassMark - CPU mark	20474 vs 14848

Compare benchmarks

CPU 1: Intel Core i7-1355U
CPU 2: Intel Core i7-1280P

PassMark - Single thread mark

CPU 1

CPU 2

3506

3327

PassMark - CPU mark

CPU 1

CPU 2

14848

20474

Name	Intel Core i7-1355U	Intel Core i7-1280P
PassMark - Single thread mark	3506	3327
PassMark - CPU mark	14848	20474

Compare specifications (specs)

	Intel Core i7-1355U	Intel Core i7-1280P
Essentials
Architecture codename	Raptor Lake	Alder Lake
Launch date	4 Jan 2023	23 Feb 2022
Launch price (MSRP)	$469	$482
Place in performance rating	432	435
Processor Number	i7-1355U	i7-1280P
Series	13th Generation Intel Core i7 Processors	12th Generation Intel Core i7 Processors
Vertical segment	Mobile	Mobile
Performance
64 bit support
L1 cache	80K (per core)	1120 KB
L2 cache	1.25MB (per core)	17.5 MB
L3 cache	12MB (shared)	24 MB
Manufacturing process technology	7 nm	7 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.00 GHz	4.80 GHz
Number of cores	10	14
Number of threads	12	20
Memory
Max memory channels	2	2
Maximum memory size	64 GB	64 GB
Supported memory types	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	Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s Up to LPDDR5 5200 MT/s Up to LPDDR4x 4267 MT/s
Graphics
Device ID	0xA7A1	0x46A6
Execution Units	96	96
Graphics max dynamic frequency	1.30 GHz	1.45 GHz
Intel® Quick Sync Video
Processor graphics	Intel Iris Xe Graphics eligible	Intel Iris Xe Graphics eligible
Graphics interfaces
Number of displays supported	4	4
Graphics image quality
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	7680 x 4320 @ 60Hz
Max resolution over eDP	4096 x 2304 @ 120Hz	4096 x 2304 @ 120Hz
Graphics API support
DirectX	12.1	12.1
OpenGL	4.6	4.6
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	50mm x25mm	50 x 25
Sockets supported	FCBGA1744	FCBGA1744
Thermal Design Power (TDP)	15 Watt	28 Watt
Peripherals
Max number of PCIe lanes	20	20
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 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)