Intel Core Ultra 5 125H vs Intel Core Ultra 7 155H

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CPU comparison with benchmarks


Intel Core Ultra 5 125H CPU1 vs CPU2 Intel Core Ultra 7 155H
Intel Core Ultra 5 125H Intel Core Ultra 7 155H

CPU comparison

Intel Core Ultra 5 125H or Intel Core Ultra 7 155H - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core Ultra 5 125H has 14 cores with 18 threads and clocks with a maximum frequency of 4.50 GHz. Up to 96 GB of memory is supported in 2 memory channels. The Intel Core Ultra 5 125H was released in Q4/2023.

The Intel Core Ultra 7 155H has 16 cores with 22 threads and clocks with a maximum frequency of 4.80 GHz. The CPU supports up to 96 GB of memory in 2 memory channels. The Intel Core Ultra 7 155H was released in Q4/2023.
Intel Core Ultra 5 (20) Family Intel Core Ultra 7 (18)
Intel Core Ultra 100H (5) CPU group Intel Core Ultra 100H (5)
1 Generation 1
Meteor Lake H Architecture Meteor Lake H
Notebook Segment Notebook
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core Ultra 5 125H has 14 CPU cores and can calculate 18 threads in parallel. The clock frequency of the Intel Core Ultra 5 125H is 1.20 GHz (4.50 GHz) while the Intel Core Ultra 7 155H has 16 CPU cores and 22 threads can calculate simultaneously. The clock frequency of the Intel Core Ultra 7 155H is at 1.40 GHz (4.80 GHz).

Intel Core Ultra 5 125H Characteristic Intel Core Ultra 7 155H
14 Cores 16
18 Threads 22
hybrid (big.LITTLE) Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
No Overclocking ? No
1.20 GHz (4.50 GHz)
4x Redwood Cove
A-Core 1.40 GHz (4.80 GHz)
6x Redwood Cove
0.70 GHz (3.60 GHz)
8x Crestmont
B-Core 0.90 GHz (3.80 GHz)
8x Crestmont
0.70 GHz (2.50 GHz)
2x Crestmont
C-Core 0.70 GHz (2.50 GHz)
2x Crestmont

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Core Ultra 5 125H Characteristic Intel Core Ultra 7 155H
Intel® AI Boost AI hardware Intel® AI Boost
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) AI specifications Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT)
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Core Ultra 5 125H or Intel Core Ultra 7 155H has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Intel Iris Xe 7 Core Graphics 112 EUs (Meteor Lake) GPU Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake)
0.60 GHz GPU frequency 0.60 GHz
2.20 GHz GPU (Turbo) 2.25 GHz
-- GPU Generation --
5 nm Technology 5 nm
4 Max. displays 4
112 Compute units 128
896 Shader 1024
Yes Hardware Raytracing Yes
No Frame Generation No
32 GB Max. GPU Memory 32 GB
12.2 DirectX Version 12.2

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel Iris Xe 7 Core Graphics 112 EUs (Meteor Lake) GPU Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 Decode
Decode Codec VP8 Decode
Decode / Encode Codec AV1 Decode / Encode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core Ultra 5 125H can use up to 96 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The Intel Core Ultra 7 155H supports up to 96 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s.

Intel Core Ultra 5 125H Characteristic Intel Core Ultra 7 155H
LPDDR5X-7500, DDR5-5600 Memory LPDDR5X-7500, DDR5-5600
96 GB Max. Memory 96 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 120.0 GB/s
No ECC No
14.00 MB L2 Cache 18.00 MB
18.00 MB L3 Cache 24.00 MB
5.0 PCIe version 5.0
20 PCIe lanes 20
78.8 GB/s PCIe Bandwidth 78.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core Ultra 5 125H is 28 W, while the Intel Core Ultra 7 155H has a TDP of 28 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core Ultra 5 125H Characteristic Intel Core Ultra 7 155H
28 W TDP (PL1 / PBP) 28 W
115 W TDP (PL2) 115 W
65 W TDP up 65 W
20 W TDP down 20 W
110 °C Tjunction max. 110 °C

Technical details

The Intel Core Ultra 5 125H is manufactured in 7 nm and has 32.00 MB cache. The Intel Core Ultra 7 155H is manufactured in 7 nm and has a 42.00 MB cache.

Intel Core Ultra 5 125H Characteristic Intel Core Ultra 7 155H
7 nm Technology 7 nm
Chiplet Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
BGA 2049 Socket BGA 2049
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 11, Linux Operating systems Windows 11, Linux
Q4/2023 Release date Q4/2023
-- Release price --
show more data show more data


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Here you can rate the Intel Core Ultra 5 125H to help other visitors make their purchasing decisions. The average rating is 4.3 stars (132 ratings). Rate now:
Here you can rate the Intel Core Ultra 7 155H to help other visitors make their purchasing decisions. The average rating is 4.2 stars (222 ratings). Rate now:

Average performance in benchmarks

Single core performance in 4 CPU benchmarks
Intel Core Ultra 5 125H (96%)
Intel Core Ultra 7 155H (100%)
Multi core performance in 5 CPU benchmarks
Intel Core Ultra 5 125H (83%)
Intel Core Ultra 7 155H (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz
100 (95%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
105 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz
847 (85%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
992 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz
1692 (95%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
1772 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz
14771 (84%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
17650 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz
2256 (98%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
2294 (100%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz
10239 (80%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
12749 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz
1643 (94%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
1746 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz
10765 (91%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
11878 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
Intel Iris Xe 7 Core Graphics 112 EUs (Meteor Lake) @ 2.20 GHz
4 (0%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) @ 2.25 GHz
4460 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz
18813 (76%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
24916 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
14,771 CB R23 MC @ 66 W
224 (100%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
17,650 CB R23 MC @ 79 W
224 (100%)

Devices using this processor

Intel Core Ultra 5 125H Intel Core Ultra 7 155H
Unknown ASUS Zenbook Duo (2024) UX8406

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