MediaTek Dimensity 6400 vs Qualcomm Snapdragon 820
SOC · Specs Compare
CPU
Architecture
2x 2.5 GHz – Cortex-A766x 2 GHz – Cortex-A55
2x 2.15 GHz – Kryo2x 1.593 GHz – Kryo
Frequency
2500 MHz
2150 MHz
Cores
8
4
Instruction set
ARMv8.2-A
ARMv8-A
L1 cache
512 KB
64 KB
L2 cache
1 MB
0
L3 cache
2 MB
—
Process
6 nm
14 nm
Manufacturing
TSMC
TSMC
Transistor count
—
2
TDP
—
11 W
Graphics
GPU name
Mali-G57 MP2
Adreno 530
Shading units
64
256
Vulkan version
1.3
1.0
OpenCL version
2.0
2.0
DirectX version
12
11
GPU frequency
—
624 MHz
Execution units
—
1
Memory
Memory Type
LPDDR4X
LPDDR4
Memory frequency
2133 MHz
1866 MHz
Bus
2x 16 Bit
2x 32 Bit
Max bandwidth
17.07 Gbit/s
29.8 Gbit/s
AI
NPU
Yes
—
Multimedia (ISP)
Storage type
UFS 2.2
eMMC 5.1, UFS 2.0
Max display resolution
2520 x 1080
3840 x 2160
Max camera resolution
1x 108MP, 2x 16MP
1x 28MP, 2x 13MP
Video capture
2K at 30FPS
4K at 30FPS
Video playback
2K at 30FPS
4K at 30FPS
Video codecs
- H.264- H.265- VP9
H.264, H.265
Audio codecs
- AAC LC- FLAC- HE-AACv1- HE-AACv2- MP3
AIFF, CAF, MP3, MP4, WAV
Neural processor (NPU)
—
Hexagon 680
Connectivity
5G support
Yes
No
Download speed
Up to 3300 Mbps
Up to 600 Mbps
Wi-Fi
5
5
Bluetooth
5.4
4.1
Navigation
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
GPS, GLONASS, Beidou, Galileo, QZSS, SBAS
4G support
—
LTE Cat. 12
Upload speed
—
Up to 150 Mbps
Info
Announced
Feb 2025
Nov 2015
Class
Mid range
Flagship
Model number
—
MSM8996
Benchmark
AnTuTu 10
446,033
260,148
Geekbench 6
—
323
Geekbench 6
—
827
FP32 (float)
—
319
▲ Specs Compare
Data sourced from official specifications and benchmark tests.