Apple M3 Pro (12-CPU 18-GPU) vs Intel Core Ultra 7 155H

Last updated:

CPU comparison with benchmarks


Apple M3 Pro (12-CPU 18-GPU) CPU1 vs CPU2 Intel Core Ultra 7 155H
Apple M3 Pro (12-CPU 18-GPU) Intel Core Ultra 7 155H

CPU comparison

Apple M3 Pro (12-CPU 18-GPU) 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 Apple M3 Pro (12-CPU 18-GPU) has 12 cores with 12 threads and clocks with a maximum frequency of 4.06 GHz. Up to 36 GB of memory is supported in 2 memory channels. The Apple M3 Pro (12-CPU 18-GPU) 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.
Apple M series (25) Family Intel Core Ultra 7 (9)
Apple M3 (6) CPU group Intel Core Ultra 100H (5)
3 Generation 1
M3 Architecture Meteor Lake H
Mobile Segment Mobile
Apple M2 Pro (12-CPU 19-GPU) Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Apple M3 Pro (12-CPU 18-GPU) has 12 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Apple M3 Pro (12-CPU 18-GPU) is 0.70 GHz (4.06 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).

Apple M3 Pro (12-CPU 18-GPU) Characteristic Intel Core Ultra 7 155H
12 Cores 16
12 Threads 22
hybrid (big.LITTLE) Core architecture hybrid (big.LITTLE)
No Hyperthreading Yes
No Overclocking ? No
0.70 GHz (4.06 GHz)
6x P-Core
A-Core 1.40 GHz (4.80 GHz)
6x Redwood Cove
0.74 GHz (2.75 GHz)
6x E-Core
B-Core 0.90 GHz (3.80 GHz)
8x Crestmont
-- C-Core 0.70 GHz (2.50 GHz)
2x Crestmont

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.

Apple M3 Pro (12-CPU 18-GPU) Characteristic Intel Core Ultra 7 155H
Apple Neural Engine AI hardware Intel AI engine
16 Neural cores @ 35 TOPS AI specifications Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT)

Internal Graphics

The Apple M3 Pro (12-CPU 18-GPU) 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.

Apple M3 Pro (18 Core) GPU Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake)
0.39 GHz GPU frequency 0.60 GHz
1.40 GHz GPU (Turbo) 2.25 GHz
-- GPU Generation --
3 nm Technology 5 nm
3 Max. displays 4
288 Compute units 128
2304 Shader 1024
Yes Hardware Raytracing Yes
No Frame Generation No
36 GB Max. GPU Memory 32 GB
-- 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.

Apple M3 Pro (18 Core) 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 / Encode Codec VP9 Decode
Decode Codec VP8 Decode
Decode Codec AV1 Decode / Encode
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Apple M3 Pro (12-CPU 18-GPU) can use up to 36 GB of memory in 2 memory channels. The maximum memory bandwidth is 153.6 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.

Apple M3 Pro (12-CPU 18-GPU) Characteristic Intel Core Ultra 7 155H
LPDDR5-6400 Memory LPDDR5X-7500, DDR5-5600
36 GB Max. Memory 96 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
153.6 GB/s Max. Bandwidth 120.0 GB/s
No ECC No
36.00 MB L2 Cache 18.00 MB
-- L3 Cache 24.00 MB
4.0 PCIe version 5.0
-- PCIe lanes 20
-- PCIe Bandwidth 78.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Apple M3 Pro (12-CPU 18-GPU) is 35 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.

Apple M3 Pro (12-CPU 18-GPU) Characteristic Intel Core Ultra 7 155H
35 W TDP (PL1 / PBP) 28 W
-- TDP (PL2) 115 W
-- TDP up 65 W
-- TDP down 20 W
100 °C Tjunction max. 110 °C

Technical details

The Apple M3 Pro (12-CPU 18-GPU) is manufactured in 3 nm and has 36.00 MB cache. The Intel Core Ultra 7 155H is manufactured in 7 nm and has a 42.00 MB cache.

Apple M3 Pro (12-CPU 18-GPU) Characteristic Intel Core Ultra 7 155H
3 nm Technology 7 nm
Chiplet Chip design Chiplet
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
Rosetta 2 x86-Emulation ISA extensions SSE4.1, SSE4.2, AVX2
-- Socket BGA 2049
Apple Virtualization Framework Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
macOS, iPadOS Operating systems Windows 11, Linux
Q4/2023 Release date Q4/2023
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Apple M3 Pro (12-CPU 18-GPU) to help other visitors make their purchasing decisions. The average rating is 5.0 stars (214 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 4.3 stars (71 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
Apple M3 Pro (12-CPU 18-GPU) (100%)
Intel Core Ultra 7 155H (80%)
⌀ Multi core performance in 4 CPU benchmarks
Apple M3 Pro (12-CPU 18-GPU) (98%)
Intel Core Ultra 7 155H (88%)

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.
Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (12-CPU 18-GPU)
12C 12T @ 4.06 GHz
1928 (100%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
1761 (91%)

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.
Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (12-CPU 18-GPU)
12C 12T @ 3.80 GHz
15061 (90%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
16825 (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.
Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (12-CPU 18-GPU)
12C 12T @ 4.06 GHz
2314 (100%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
1746 (75%)

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.
Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (12-CPU 18-GPU)
12C 12T @ 3.80 GHz
15235 (100%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
11878 (78%)

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.
Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (12-CPU 18-GPU)
12C 12T @ 4.06 GHz
3152 (100%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
2294 (73%)

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.
Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (12-CPU 18-GPU)
12C 12T @ 3.80 GHz
15619 (100%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
12749 (82%)

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.
Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (12-CPU 18-GPU)
Apple M3 Pro (18 Core) @ 1.40 GHz
6390 (100%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) @ 2.25 GHz
4460 (70%)

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.
Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (12-CPU 18-GPU)
12C 12T @ 3.80 GHz
27304 (100%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
24916 (91%)

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.
Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (12-CPU 18-GPU)
12C 12T @ 4.06 GHz
142 (100%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 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.
Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (12-CPU 18-GPU)
12C 12T @ 4.06 GHz
1059 (100%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 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.
Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (12-CPU 18-GPU)
0.70 GHz
0 (0%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16,825 CB R23 MC @ 75 W
224 (100%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (12-CPU 18-GPU)
12C 12T @ 0.70 GHz
35 (100%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 1.40 GHz
0 (0%)

Devices using this processor

Apple M3 Pro (12-CPU 18-GPU) Intel Core Ultra 7 155H
Apple MacBook Pro 14 (2023)
Apple MacBook Pro 16 (2023)
ASUS Zenbook Duo (2024) UX8406

Popular comparisons containing this CPUs

1. Intel Core Ultra 7 155HIntel Core i7-13700H Intel Core Ultra 7 155H vs Intel Core i7-13700H
2. Intel Core Ultra 7 155HAMD Ryzen Z1 Extreme Intel Core Ultra 7 155H vs AMD Ryzen Z1 Extreme
3. Intel Core Ultra 7 155HIntel Core i7-1360P Intel Core Ultra 7 155H vs Intel Core i7-1360P
4. Intel Core Ultra 9 185HIntel Core Ultra 7 155H Intel Core Ultra 9 185H vs Intel Core Ultra 7 155H
5. Intel Core Ultra 5 125HIntel Core Ultra 7 155H Intel Core Ultra 5 125H vs Intel Core Ultra 7 155H
6. Apple M3 Pro (11-CPU 14-GPU)Apple M3 Pro (12-CPU 18-GPU) Apple M3 Pro (11-CPU 14-GPU) vs Apple M3 Pro (12-CPU 18-GPU)
7. Intel Core i9-13900HIntel Core Ultra 7 155H Intel Core i9-13900H vs Intel Core Ultra 7 155H
8. Apple M3 Pro (12-CPU 18-GPU)Intel Core i9-13900H Apple M3 Pro (12-CPU 18-GPU) vs Intel Core i9-13900H
9. Intel Core Ultra 7 155HAMD Ryzen 7 7840HS Intel Core Ultra 7 155H vs AMD Ryzen 7 7840HS
10. Apple M3 Pro (12-CPU 18-GPU)Apple M1 Max (32-GPU) Apple M3 Pro (12-CPU 18-GPU) vs Apple M1 Max (32-GPU)


back to index