Intel Core Ultra 5 125H vs Intel Core 3 processor 100U

Last updated:

CPU comparison with benchmarks


Intel Core Ultra 5 125H CPU1 vs CPU2 Intel Core 3 processor 100U
Intel Core Ultra 5 125H Intel Core 3 processor 100U

CPU comparison

Intel Core Ultra 5 125H or Intel Core 3 processor 100U - 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 3 processor 100U has 6 cores with 8 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 96 GB of memory in 2 memory channels. The Intel Core 3 processor 100U was released in Q1/2024.
Intel Core Ultra 5 (10) Family Intel Core 3 (1)
Intel Core Ultra 100H (5) CPU group Intel Core processors (Series 1) (3)
1 Generation 1
Meteor Lake H Architecture Raptor Lake U
Mobile Segment Mobile
-- 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 3 processor 100U has 6 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Core 3 processor 100U is at 1.20 GHz (4.70 GHz).
Intel Core Ultra 5 125H Characteristic Intel Core 3 processor 100U
14 Cores 6
18 Threads 8
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 1.20 GHz (4.70 GHz)
2x Redwood Cove
0.70 GHz (3.60 GHz)
8x Crestmont		 B-Core 0.90 GHz (3.30 GHz)
4x Crestmont
0.70 GHz (2.50 GHz)
2x Crestmont		 C-Core --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
Intel Core Ultra 5 125H Characteristic Intel Core 3 processor 100U
Intel AI engine AI hardware Intel AI engine
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) AI specifications Intel Deep Learning Boost (Intel DL Boost)

Internal Graphics

The Intel Core Ultra 5 125H or Intel Core 3 processor 100U 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 Graphics 64 (Alder Lake)
0.60 GHz GPU frequency 0.35 GHz
2.20 GHz GPU (Turbo) 1.25 GHz
-- GPU Generation 13
5 nm Technology 10 nm
4 Max. displays 4
112 Compute units 64
896 Shader 512
Yes Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 32 GB
12.2 DirectX Version 12.1

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 Graphics 64 (Alder 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 / Encode
Decode Codec VP8 Decode
Decode / Encode Codec AV1 Decode
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 3 processor 100U supports up to 96 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 83.2 GB/s.
Intel Core Ultra 5 125H Characteristic Intel Core 3 processor 100U
LPDDR5X-7500, DDR5-5600 Memory LPDDR5-5200, DDR5-5200, LPDDR4X-4266, DDR4-3200
96 GB Max. Memory 96 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 83.2 GB/s
No ECC No
14.00 MB L2 Cache 10.00 MB
18.00 MB L3 Cache --
5.0 PCIe version 4.0
20 PCIe lanes 20
78.8 GB/s PCIe Bandwidth 39.4 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 3 processor 100U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Core Ultra 5 125H Characteristic Intel Core 3 processor 100U
28 W TDP (PL1 / PBP) 15 W
115 W TDP (PL2) 55 W
65 W TDP up --
20 W TDP down 12 W
110 °C Tjunction max. 100 °C

Technical details

The Intel Core Ultra 5 125H is manufactured in 7 nm and has 32.00 MB cache. The Intel Core 3 processor 100U is manufactured in 10 nm and has a 10.00 MB cache.
Intel Core Ultra 5 125H Characteristic Intel Core 3 processor 100U
7 nm Technology 10 nm
Chiplet Chip design Monolithic
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 1744
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 Q1/2024
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core Ultra 5 125H to help other visitors make their purchasing decisions. The average rating is 4.1 stars (39 ratings). Rate now:
Here you can rate the Intel Core 3 processor 100U to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


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 3 processor 100U Intel Core 3 processor 100U
Intel Iris Xe Graphics 64 (Alder Lake) @ 1.25 GHz
1240 (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 (100%)
Intel Core 3 processor 100U Intel Core 3 processor 100U
6C 8T @ 4.70 GHz
0 (0%)

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 (100%)
Intel Core 3 processor 100U Intel Core 3 processor 100U
6C 8T @ 4.70 GHz
0 (0%)

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 (100%)
Intel Core 3 processor 100U Intel Core 3 processor 100U
6C 8T @ 4.70 GHz
0 (0%)

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 (100%)
Intel Core 3 processor 100U Intel Core 3 processor 100U
6C 8T @ 1.20 GHz
0 (0%)

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 (100%)
Intel Core 3 processor 100U Intel Core 3 processor 100U
6C 8T @ 4.70 GHz
0 (0%)

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 (100%)
Intel Core 3 processor 100U Intel Core 3 processor 100U
6C 8T @ 1.20 GHz
0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz
2256 (100%)
Intel Core 3 processor 100U Intel Core 3 processor 100U
6C 8T @ 4.70 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core Ultra 5 125H Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz
10239 (100%)
Intel Core 3 processor 100U Intel Core 3 processor 100U
6C 8T @ 1.20 GHz
0 (0%)

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 (100%)
Intel Core 3 processor 100U Intel Core 3 processor 100U
6C 8T @ 1.20 GHz
0 (0%)

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 3 processor 100U Intel Core 3 processor 100U
1.20 GHz
0 (0%)

Devices using this processor
Intel Core Ultra 5 125H Intel Core 3 processor 100U
Unknown Unknown

Popular comparisons containing this CPUs

1. Intel Core Ultra 5 125HIntel Core Ultra 7 155H Intel Core Ultra 5 125H vs Intel Core Ultra 7 155H
2. Intel Core Ultra 5 125HIntel Core i7-1360P Intel Core Ultra 5 125H vs Intel Core i7-1360P
3. Intel Core Ultra 5 125HIntel Core i5-13500H Intel Core Ultra 5 125H vs Intel Core i5-13500H
4. Intel Core Ultra 5 125HIntel Core i7-13700H Intel Core Ultra 5 125H vs Intel Core i7-13700H
5. Intel Core Ultra 5 125HAMD Ryzen 7 7840HS Intel Core Ultra 5 125H vs AMD Ryzen 7 7840HS
6. Intel Core Ultra 5 125HIntel Core i5-1335U Intel Core Ultra 5 125H vs Intel Core i5-1335U
7. Intel Core Ultra 5 125HIntel Core i5-12500H Intel Core Ultra 5 125H vs Intel Core i5-12500H
8. Intel Core Ultra 5 125HIntel Core i5-1340P Intel Core Ultra 5 125H vs Intel Core i5-1340P
9. Intel Core Ultra 5 125HAMD Ryzen 7 8845HS Intel Core Ultra 5 125H vs AMD Ryzen 7 8845HS
10. Intel Core Ultra 5 125HAMD Ryzen 7 7840U Intel Core Ultra 5 125H vs AMD Ryzen 7 7840U


back to index