Intel Core Ultra 7 255H MediaTek Dimensity 900
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Intel Core Ultra 7 255H vs MediaTek Dimensity 900

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The MediaTek Dimensity 900 is a mobile processor for mid-range smartphones and tablets, optimized for energy efficiency.

The Intel Core Ultra 7 255H is a high-end processor for notebooks, designed for demanding applications and multitasking.

The Dimensity 900 is manufactured using a 6 nm process and utilizes ARM architectures (Cortex-A78 / Cortex-A55) with 2 MB L3 cache and 44 GB/s memory bandwidth. The Core Ultra 7 255H is based on Arrow Lake H, manufactured in 3 nm, with 24 MB L3 cache and 134 GB/s memory bandwidth. The core performance of the Intel Core Ultra 7 255H significantly surpasses that of the MediaTek Dimensity 900 in both single-core and multi-core applications.

For gaming, the Intel Core Ultra 7 255H offers superior performance with its Intel Arc 140T graphics unit. The Dimensity 900's ARM Mali-G68 MP4 GPU is optimized for mobile games but cannot keep up. The Dimensity 900 is designed for low power consumption in mobile devices. The Core Ultra 7 255H has a higher Thermal Design Power (TDP) for sustained high performance.

The Dimensity 900 offers good value for money in the mobile mid-range segment. The Core Ultra 7 255H is found in premium notebooks and delivers significantly higher absolute performance. The MediaTek Dimensity 900 is ideal for energy-efficient mobile applications. The Intel Core Ultra 7 255H is recommended for professional users and gamers in the notebook segment who require maximum performance.

MediaTek Dimensity 900

  • Energy-efficient mobile processor
  • 6 nm manufacturing process, ARM architecture
  • Integrated ARM Mali-G68 MP4 GPU
  • Good price-performance ratio in the mid-range segment

Intel Core Ultra 7 255H

  • Powerful notebook processor
  • 3 nm manufacturing process, Arrow Lake H architecture
  • Integrated Intel Arc 140T graphics unit
  • Superior single-core and multi-core performance

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 1 - 100 %
Intel Core Ultra 7 255H
Rank 2 - 32 %
MediaTek Dimensity 900
Multi-core performance
Rank 1 - 100 %
Intel Core Ultra 7 255H
Rank 2 - 16 %
MediaTek Dimensity 900
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Intel Core Ultra 7 255H
16C / 16T · 5.10 GHz
2,761
MediaTek Dimensity 900
8C / 8T · 2.40 GHz
887
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Intel Core Ultra 7 255H
16C / 16T · 2.00 GHz
14,339
MediaTek Dimensity 900
8C / 8T · 2.40 GHz
2,279

More benchmarks

At a glance

Wischen
Intel Core Ultra 7 255HMediaTek Dimensity 900
FamilyIntel Core Ultra 7 (31)Mediatek Dimensity (38)
CPU groupIntel Core Ultra 200H (5)MediaTek Dimensity 900 (3)
ArchitectureArrow Lake HCortex-A78 / Cortex-A55
Technology3 nm6 nm
SegmentNotebookSmartphone / Tablet
SocketBGA 2049
PredecessorIntel Core Ultra 7 155H
SuccessorIntel Core Ultra X7 358H

CPU Cores and Base Frequency

Wischen
Intel Core Ultra 7 255HMediaTek Dimensity 900
CPU Cores / Threads16 / 168 / 8
Hyperthreading / SMT
Core architecturehybrid (big.LITTLE)hybrid (big.LITTLE)
Core Cluster 1: 6x Lion Cove
2.00 - 5.10 GHz
2x Cortex-A78
2.40 GHz
Core Cluster 2: 8x Skymont
1.50 - 4.40 GHz
6x Cortex-A55
2.00 GHz
Core Cluster 3: 2x Crestmont
0.70 - 2.50 GHz
L2-Cache6.00 MB
L3-Cache24.00 MB2.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core Ultra 7 255HMediaTek Dimensity 900
GPU nameIntel Arc 140TARM Mali-G68 MP4
GPU frequency0.60 - 2.25 GHz0.85 GHz
CUs / Shader64 / 10244 / 64
Raytracing
Max. displays31
Max. GPU Memory32 GB
Technology5 nm6 nm
Release dateQ1/2025Q2/2020

NPU AI performance

Wischen
Intel Core Ultra 7 255HMediaTek Dimensity 900
AI hardwareIntel® AI Boost
AI specificationsIntel AI Boost (OpenVINO, WindowsML, DirectML, ONNX RT)
NPU + CPU + iGPU96 TOPS

Memory & PCIe

Wischen
Intel Core Ultra 7 255HMediaTek Dimensity 900
MemoryLPDDR5X-8400 (134.4 GB/s)
DDR5-6400 (102.4 GB/s)
LPDDR5-5500 (44.0 GB/s)
LPDDR4X-4266 (34.1 GB/s)
Max. Memory128 GB16 GB
Memory channels24
ECCNoNo
PCIe5.0 x 28
PCIe Bandwidth110.3 GB/s

Thermal Management

Wischen
Intel Core Ultra 7 255HMediaTek Dimensity 900
TDP28 W10 W
TDP (PL2)115 W
TDP up
TDP down20 W
T. junction max.110 °C

Technical details

Wischen
Intel Core Ultra 7 255HMediaTek Dimensity 900
Chip designChipletChiplet
AES-NI
Operating systemsWindows 11, LinuxAndroid
Instruction setx86-64 (64 bit)Armv8-A (64 bit)
ISA extensionsSSE4.1, SSE4.2, AVX2
Release dateQ1/2025Q2/2021
Release price
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core Ultra 7 255H is 3.6 stars (241 ratings), while MediaTek Dimensity 900 has received 4.7 stars (17 ratings).

Click on the stars to rate one or both processors.

Intel Core Ultra 7 255H
Intel Core Ultra 7 255H
16C / 16T · 2.00 - 5.10 GHz
MediaTek Dimensity 900
MediaTek Dimensity 900
8C / 8T · 2.40 GHz

Most popular CPUs in both categories

Intel Core Ultra 7 255H
Intel Core Ultra 7 255H
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