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.

 

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 3520
  • Around 28% better performance in PassMark - CPU mark: 32116 vs 25067
Specifications (specs)
Number of threads 24 vs 22
L3 cache 25 MB vs 24 MB (shared)
Benchmarks
PassMark - Single thread mark 3734 vs 3520
PassMark - CPU mark 32116 vs 25067

Compare benchmarks

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

PassMark - Single thread mark
CPU 1
CPU 2
3520
3734
PassMark - CPU mark
CPU 1
CPU 2
25067
32116
Name Intel Core Ultra 7 155H Intel Core i7-12800HX
PassMark - Single thread mark 3520 3734
PassMark - CPU mark 25067 32116
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 314 305
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)