Apple M3 Intel Core Ultra 7 255H
VS

Apple M3 vs Intel Core Ultra 7 255H

Last updated:
The Apple M3 is a processor developed by Apple, optimized for efficiency within the Apple ecosystem and for slim devices.

It targets users who value seamless hardware and software integration. The Intel Core Ultra 7 255H, an Intel processor, targets powerful mobile computers and offers versatility for demanding tasks in Windows laptops.

It appeals to users who require robust performance and broad hardware compatibility. Both processors are manufactured using an advanced 3 nm fabrication process, enabling high transistor density. The Apple M3 integrates a 10-core graphics unit. The Intel Core Ultra 7 255H features the powerful Intel Arc 140T graphics unit.

The Apple M3 shows higher single-core performance. The Intel Core Ultra 7 255H significantly outperforms the Apple M3 in multi-core performance. The M3 thus benefits in single-core applications, while the Ultra 7 255H is stronger in computationally intensive multi-core scenarios. Both offer integrated graphics solutions for casual gamers.

The Apple M3 (10 Core) benefits from Apple's deep software integration for optimized games. The Intel Arc 140T in the Intel Core Ultra 7 255H offers modern gaming features and broader PC compatibility, which is relevant for Windows gaming. The Apple M3 is known for its outstanding energy efficiency, enabling high performance with low power consumption.

The Intel Core Ultra 7 255H is also efficient, but can show higher power consumption under peak load. Systems with the Apple M3 are positioned in the premium segment of the Apple ecosystem, but offer close coordination of hardware and software. The Intel Core Ultra 7 255H is available in many laptops from various manufacturers, allowing for a wider selection of price points and configurations.

The Apple M3 offers high single-core performance and energy efficiency for the Apple ecosystem. The Intel Core Ultra 7 255H delivers strong multi-core performance and versatility for Windows users. Choose the Apple M3 for maximum efficiency and single-core performance within the Apple ecosystem.

The Intel Core Ultra 7 255H is ideal for superior multi-core performance and a wide range of device choices in the Windows environment.

Apple M3

  • High single-core performance
  • Excellent energy efficiency
  • Tight hardware-software integration
  • Optimized for the Apple ecosystem

Intel Core Ultra 7 255H

  • Strong multi-core performance
  • Wider device selection and price range
  • Modern integrated graphics unit
  • Versatility in the Windows ecosystem

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 1 - 100 %
Apple M3
Rank 2 - 88 %
Intel Core Ultra 7 255H
Multi-core performance
Rank 2 - 73 %
Apple M3
Rank 1 - 100 %
Intel Core Ultra 7 255H
Cinebench 2026 Single-Thread

Cinebench 2026 Single-Thread
Single-core performance

Apple M3
Apple M3 100 %
8C / 8T · 4.06 GHz
557 pts
Intel Core Ultra 7 255H
16C / 16T · 5.10 GHz
495 pts
Cinebench 2026 Multi-Core

Cinebench 2026 Multi-Core
Multi-core performance

Apple M3
Apple M3 93 %
8C / 8T · 4.06 GHz
2,672 pts
Intel Core Ultra 7 255H
16C / 16T · 5.10 GHz
2,861 pts
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Apple M3
Apple M3 100 %
8C / 8T · 4.06 GHz
3,125
Intel Core Ultra 7 255H
16C / 16T · 5.10 GHz
2,761
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Apple M3
Apple M3 83 %
8C / 8T · 4.06 GHz
11,863
Intel Core Ultra 7 255H
16C / 16T · 2.00 GHz
14,339
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Apple M3
Apple M3 65 %
Apple M3 (10 Core)
3,550
Intel Core Ultra 7 255H
Intel Arc 140T
5,458

More benchmarks

At a glance

Wischen
Apple M3Intel Core Ultra 7 255H
FamilyApple M series (38)Intel Core Ultra 7 (31)
CPU groupApple M3 (6)Intel Core Ultra 200H (5)
ArchitectureM3Arrow Lake H
Technology3 nm3 nm
SegmentNotebookNotebook
SocketBGA 2049
PredecessorApple M2Intel Core Ultra 7 155H
SuccessorApple M4Intel Core Ultra X7 358H

CPU Cores and Base Frequency

Wischen
Apple M3Intel Core Ultra 7 255H
CPU Cores / Threads8 / 816 / 16
Hyperthreading / SMT
Core architecturehybrid (big.LITTLE)hybrid (big.LITTLE)
Core Cluster 1: 4x Ibiza P-Core
0.70 - 4.06 GHz
6x Lion Cove
2.00 - 5.10 GHz
Core Cluster 2: 4x Ibiza E-Core
0.74 - 2.75 GHz
8x Skymont
1.50 - 4.40 GHz
Core Cluster 3: 2x Crestmont
0.70 - 2.50 GHz
L2-Cache20.00 MB6.00 MB
L3-Cache24.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Apple M3Intel Core Ultra 7 255H
GPU nameApple M3 (10 Core)Intel Arc 140T
GPU frequency0.39 - 1.40 GHz0.60 - 2.25 GHz
CUs / Shader160 / 128064 / 1024
Raytracing
Max. displays23
Max. GPU Memory24 GB32 GB
Technology3 nm5 nm
Release dateQ4/2023Q1/2025

NPU AI performance

Wischen
Apple M3Intel Core Ultra 7 255H
AI hardwareApple Neural EngineIntel® AI Boost
AI specifications16 Neural cores @ 35 TOPSIntel AI Boost (OpenVINO, WindowsML, DirectML, ONNX RT)
NPU + CPU + iGPU96 TOPS

Memory & PCIe

Wischen
Apple M3Intel Core Ultra 7 255H
MemoryLPDDR5-6400 (102.4 GB/s)
LPDDR5X-8400 (134.4 GB/s)
DDR5-6400 (102.4 GB/s)
Max. Memory24 GB128 GB
Memory channels22
ECCNoNo
PCIe4.05.0 x 28
PCIe Bandwidth110.3 GB/s

Thermal Management

Wischen
Apple M3Intel Core Ultra 7 255H
TDP22 W28 W
TDP (PL2)115 W
TDP up
TDP down15 W20 W
T. junction max.100 °C110 °C

Technical details

Wischen
Apple M3Intel Core Ultra 7 255H
Chip designMonolithicChiplet
AES-NI
Operating systemsmacOS, iPadOSWindows 11, Linux
Instruction setArmv8-A (64 bit)x86-64 (64 bit)
ISA extensionsRosetta 2 x86-EmulationSSE4.1, SSE4.2, AVX2
Release dateQ4/2023Q1/2025
Release price
DocumentsTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Apple M3 is 4.6 stars (1638 ratings), while Intel Core Ultra 7 255H has received 3.6 stars (234 ratings).

Click on the stars to rate one or both processors.

Apple M3
Apple M3
8C / 8T · 0.70 - 4.06 GHz
Intel Core Ultra 7 255H
Intel Core Ultra 7 255H
16C / 16T · 2.00 - 5.10 GHz

Most popular CPUs in both categories

Apple M3
Apple M3
Buy now on Amazon and save! Buy on Amazon