Intel Core Ultra 7 155U vs Apple M3 (8-GPU)

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CPU comparison with benchmarks


Intel Core Ultra 7 155U CPU1 vs CPU2 Apple M3 (8-GPU)
Intel Core Ultra 7 155U Apple M3 (8-GPU)

CPU comparison

In this CPU comparison, we compare the Intel Core Ultra 7 155U and the Apple M3 (8-GPU) and use benchmarks to check which processor is faster.

We compare the Intel Core Ultra 7 155U 12 core processor released in Q4/2023 with the Apple M3 (8-GPU) which has 8 CPU cores and was introduced in Q4/2023.
Intel Core Ultra 7 (10) Family Apple M series (25)
Intel Core Ultra 100U (7) CPU group Apple M3 (6)
1 Generation 3
Meteor Lake U Architecture M3
Mobile Segment Mobile
-- Predecessor Apple M2 (8-GPU)
-- Successor --

CPU Cores and Base Frequency

The Intel Core Ultra 7 155U is a 12 core processor with a clock frequency of 1.70 GHz (4.80 GHz). The processor can compute 14 threads at the same time. The Apple M3 (8-GPU) clocks with 0.70 GHz (4.06 GHz), has 8 CPU cores and can calculate 8 threads in parallel.

Intel Core Ultra 7 155U Characteristic Apple M3 (8-GPU)
12 Cores 8
14 Threads 8
hybrid (big.LITTLE) Core architecture hybrid (big.LITTLE)
Yes Hyperthreading No
No Overclocking ? No
1.70 GHz (4.80 GHz)
2x Redwood Cove
A-Core 0.70 GHz (4.06 GHz)
4x P-Core
1.20 GHz (3.80 GHz)
8x Crestmont
B-Core 0.74 GHz (2.75 GHz)
4x E-Core
0.70 GHz (2.10 GHz)
2x Crestmont
C-Core --

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 7 155U Characteristic Apple M3 (8-GPU)
Intel® AI Boost AI hardware Apple Neural Engine
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) AI specifications 16 Neural cores @ 35 TOPS
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) GPU Apple M3 (8 Core)
0.60 GHz GPU frequency 0.39 GHz
1.95 GHz GPU (Turbo) 1.40 GHz
-- GPU Generation --
5 nm Technology 3 nm
4 Max. displays 2
64 Compute units 128
512 Shader 1024
Yes Hardware Raytracing Yes
No Frame Generation No
32 GB Max. GPU Memory 24 GB
12.2 DirectX Version --

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 4 Core Graphics 64 EUs (Meteor Lake) GPU Apple M3 (8 Core)
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
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 96 GB of memory in a maximum of 2 memory channels is supported by the Intel Core Ultra 7 155U, while the Apple M3 (8-GPU) supports a maximum of 24 GB of memory with a maximum memory bandwidth of 102.4 GB/s enabled.

Intel Core Ultra 7 155U Characteristic Apple M3 (8-GPU)
LPDDR5X-7500, DDR5-5600 Memory LPDDR5-6400
96 GB Max. Memory 24 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 102.4 GB/s
No ECC No
12.00 MB L2 Cache 20.00 MB
-- L3 Cache --
4.0 PCIe version 4.0
20 PCIe lanes --
39.4 GB/s PCIe Bandwidth --

Thermal Management

The Intel Core Ultra 7 155U has a TDP of 15 W. The TDP of the Apple M3 (8-GPU) is 22 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core Ultra 7 155U Characteristic Apple M3 (8-GPU)
15 W TDP (PL1 / PBP) 22 W
57 W TDP (PL2) --
28 W TDP up --
12 W TDP down 10 W
110 °C Tjunction max. 100 °C

Technical details

The Intel Core Ultra 7 155U has 12.00 MB cache and is manufactured in 7 nm. The cache of Apple M3 (8-GPU) is at 20.00 MB. The processor is manufactured in 3 nm.

Intel Core Ultra 7 155U Characteristic Apple M3 (8-GPU)
7 nm Technology 3 nm
Chiplet Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8-A (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions Rosetta 2 x86-Emulation
BGA 2049 Socket --
VT-x, VT-x EPT, VT-d Virtualization Apple Virtualization Framework
Yes AES-NI Yes
Windows 11, Linux Operating systems macOS, iPadOS
Q4/2023 Release date Q4/2023
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core Ultra 7 155U to help other visitors make their purchasing decisions. The average rating is 3.7 stars (13 ratings). Rate now:
Here you can rate the Apple M3 (8-GPU) to help other visitors make their purchasing decisions. The average rating is 4.9 stars (71 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core Ultra 7 155U (75%)
Apple M3 (8-GPU) (100%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Core Ultra 7 155U (82%)
Apple M3 (8-GPU) (100%)

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 7 155U Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz
2354 (75%)
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
3125 (100%)

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 7 155U Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz
9716 (82%)
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
11863 (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 7 155U Intel Core Ultra 7 155U
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.95 GHz
1935 (68%)
Apple M3 (8-GPU) Apple M3 (8-GPU)
Apple M3 (8 Core) @ 1.40 GHz
2840 (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 7 155U Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz
0 (0%)
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
137 (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 7 155U Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz
0 (0%)
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
659 (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 7 155U Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz
0 (0%)
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
1965 (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 7 155U Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz
0 (0%)
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
10437 (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 7 155U Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz
0 (0%)
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
2150 (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 7 155U Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz
0 (0%)
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
10450 (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 7 155U Intel Core Ultra 7 155U
1.70 GHz
0 (0%)
Apple M3 (8-GPU) Apple M3 (8-GPU)
10,437 CB R23 MC @ 22 W
474 (100%)

AI performance (NPU)

The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.

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).
Intel Core Ultra 7 155U Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz
0 (0%)
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 0.70 GHz
35 (100%)

Devices using this processor

Intel Core Ultra 7 155U Apple M3 (8-GPU)
Unknown Apple iMac 24 (2023)

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