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MediaTek Dimensity 820 vs Intel Core i9-14900K

Last updated: 2026-06-06

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 26 %

MediaTek Dimensity 820

Rank 1 - 100 %

Intel Core i9-14900K

Multi-core performance

Rank 2 - 9 %

MediaTek Dimensity 820

Rank 1 - 100 %

Intel Core i9-14900K

Geekbench 6 Single-Core
Single-core performance

8C / 8T · 2.60 GHz

820

24C / 32T · 6.00 GHz

3,289

Geekbench 6 Multi-Core
Multi-core performance

8C / 8T · 2.60 GHz

2,512

24C / 32T · 5.70 GHz

23,051

Geekbench 5, 64bit Single-Core
Single-core performance

8C / 8T · 2.60 GHz

646

24C / 32T · 6.00 GHz

2,412

Geekbench 5, 64bit Multi-Core
Multi-core performance

8C / 8T · 2.60 GHz

2,432

24C / 32T · 5.70 GHz

26,972

iGPU - FP32 Performance (Single-precision GFLOPS)

ARM Mali-G57 MP5

576

Intel UHD Graphics 770

846

More benchmarks

Cinebench 2026 (ST)
218 entries

Cinebench 2026 (MC)
219 entries

Cinebench 2024 (SC)
427 entries

Cinebench 2024 (MC)
422 entries

Cinebench R23 (SC)
690 entries

Cinebench R23 (MC)
665 entries

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Geekbench 5 (SC)
2,512 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

3DMark Timespy (iGPU)
534 entries

AnTuTu 9 Benchmark
90 entries

AnTuTu 8 Benchmark
118 entries

PassMark CPU-Mark
2,504 entries

CPU performance per watt (efficiency)
140 entries

Specifications

At a glance

Wischen	MediaTek Dimensity 820	Intel Core i9-14900K
Family	Mediatek Dimensity (38)	Intel Core i9 (81)
CPU group	MediaTek Dimensity 820 (1)	Intel Core i 14000 (34)
Architecture	Cortex-A76 / Cortex-A55	Raptor Lake S Refresh
Technology	7 nm	10 nm
Segment	Smartphone / Tablet	Desktop
Socket		LGA 1700
Predecessor		Intel Core i9-13900K
Successor

CPU Cores and Base Frequency

Wischen	MediaTek Dimensity 820	Intel Core i9-14900K
CPU Cores / Threads	8 / 8	24 / 32
Hyperthreading / SMT	✗	✓
Core architecture	hybrid (big.LITTLE)	hybrid (big.LITTLE)
Core Cluster 1:	4x Cortex-A76 2.60 GHz	8x Raptor Cove 3.20 - 6.00 GHz
Core Cluster 2:	4x Cortex-A55 2.00 GHz	16x Gracemont 2.40 - 4.40 GHz
L2-Cache		32.00 MB
L3-Cache		36.00 MB
Overclocking	✗	✓

Integrated graphics (iGPU)

Wischen	MediaTek Dimensity 820	Intel Core i9-14900K
GPU name	ARM Mali-G57 MP5	Intel UHD Graphics 770
GPU frequency	0.90 GHz	0.30 - 1.65 GHz
CUs / Shader	5 / 80	32 / 256
Raytracing	✗	✗
Max. displays	2	3
Max. GPU Memory	4 GB	64 GB
Technology	7 nm	10 nm
Release date	Q2/2020	Q4/2021

NPU AI performance

Wischen	MediaTek Dimensity 820	Intel Core i9-14900K
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	MediaTek Dimensity 820	Intel Core i9-14900K
Memory	LPDDR4X-4266 (17.2 GB/s)	DDR5-5600 (89.6 GB/s) DDR4-3200 (51.2 GB/s)
Max. Memory	16 GB	192 GB
Memory channels	2	2
ECC	No	Yes
PCIe		5.0 x 20
PCIe Bandwidth		78.8 GB/s

Thermal Management

Wischen	MediaTek Dimensity 820	Intel Core i9-14900K
TDP		125 W
TDP (PL2)		253 W
TDP up
TDP down
T. junction max.		100 °C

Technical details

Wischen	MediaTek Dimensity 820	Intel Core i9-14900K
Chip design	Chiplet	Monolithic
AES-NI	✗	✓
Operating systems	Android	Windows 10, Windows 11, Linux
Instruction set	Armv8-A (64 bit)	x86-64 (64 bit)
ISA extensions		SSE4.1, SSE4.2, AVX2, AVX2+
Release date	Q2/2020	Q4/2023
Release price		589 $
Documents	Technical data sheet	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of MediaTek Dimensity 820 is 5.0 stars (2 ratings), while Intel Core i9-14900K has received 3.4 stars (725 ratings).

Click on the stars to rate one or both processors.

MediaTek Dimensity 820
8C / 8T · 2.60 GHz

★★★★★

Intel Core i9-14900K
24C / 32T · 3.20 - 6.00 GHz

★★★★★