Intel Core i7-1255U vs Intel Core i7-11850H

Comparative analysis of Intel Core i7-1255U and Intel Core i7-11850H 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 i7-1255U

Intel Core i7-11850H

Differences

Reasons to consider the Intel Core i7-1255U

CPU is newer: launch date 9 month(s) later
2 more cores, run more applications at once: 10 vs 8
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm SuperFin
Around 4% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 25% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 5% better performance in PassMark - Single thread mark: 3294 vs 3130

Specifications (specs)
Launch date	23 Feb 2022 vs 11 May 2021
Number of cores	10 vs 8
Manufacturing process technology	7 nm vs 10 nm SuperFin
L1 cache	800 KB vs 768 KB
L2 cache	12.5 MB vs 10 MB
Benchmarks
PassMark - Single thread mark	3294 vs 3130

Reasons to consider the Intel Core i7-11850H

4 more threads: 16 vs 12
Around 2% higher clock speed: 4.80 GHz vs 4.70 GHz
2x more L3 cache, more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 128 GB vs 64 GB
Around 50% better performance in PassMark - CPU mark: 20602 vs 13750

Specifications (specs)
Number of threads	16 vs 12
Maximum frequency	4.80 GHz vs 4.70 GHz
L3 cache	24 MB vs 12 MB
Maximum memory size	128 GB vs 64 GB
Benchmarks
PassMark - CPU mark	20602 vs 13750

Compare benchmarks

CPU 1: Intel Core i7-1255U
CPU 2: Intel Core i7-11850H

PassMark - Single thread mark

CPU 1

CPU 2

3294

3130

PassMark - CPU mark

CPU 1

CPU 2

13750

20602

Name	Intel Core i7-1255U	Intel Core i7-11850H
PassMark - Single thread mark	3294	3130
PassMark - CPU mark	13750	20602

Compare specifications (specs)

	Intel Core i7-1255U	Intel Core i7-11850H
Essentials
Architecture codename	Alder Lake	Tiger Lake
Launch date	23 Feb 2022	11 May 2021
Launch price (MSRP)	$469	$395
Place in performance rating	441	422
Processor Number	i7-1255U	i7-11850H
Series	12th Generation Intel Core i7 Processors	11th Generation Intel Core i7 Processors
Vertical segment	Mobile	Mobile
Status		Launched
Performance
64 bit support
L1 cache	800 KB	768 KB
L2 cache	12.5 MB	10 MB
L3 cache	12 MB	24 MB
Manufacturing process technology	7 nm	10 nm SuperFin
Maximum core temperature	100°C	100°C
Maximum frequency	4.70 GHz	4.80 GHz
Number of cores	10	8
Number of threads	12	16
Bus Speed		8 GT/s
Memory
Max memory channels	2	2
Maximum memory size	64 GB	128 GB
Supported memory types	Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s Up to LPDDR5 5200 MT/s Up to LPDDR4x 4267 MT/s	Up to 3200 MT/s
Maximum memory bandwidth		51.2 GB/s
Graphics
Device ID	0x46A8	0x9A60
Execution Units	96	32
Graphics max dynamic frequency	1.25 GHz	1.45 GHz
Intel® Quick Sync Video
Processor graphics	Intel Iris Xe Graphics eligible	Intel UHD Graphics for 11th Gen Intel Processors
Graphics base frequency		350 MHz
Graphics interfaces
Number of displays supported	4	4
Graphics image quality
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	7680x4320@60Hz
Max resolution over eDP	4096 x 2304 @ 120Hz	4096x2304@60Hz
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	50 x 25	50 x 26.5
Sockets supported	FCBGA1744	FCBGA1787
Thermal Design Power (TDP)	15 Watt
Configurable TDP-down		35 Watt
Configurable TDP-down Frequency		2.10 GHz
Configurable TDP-up		45 Watt
Configurable TDP-up Frequency		2.50 GHz
Peripherals
Max number of PCIe lanes	20	20
PCIe configurations		Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot
Intel® Software Guard Extensions (Intel® SGX)
Mode-based Execute Control (MBE)
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
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)