MediaTek Dimensity 9400e vs Qualcomm Snapdragon 821
SOC · Specs Compare
CPU
Architecture
1x 3.4 GHz – Cortex-X43x 2.85 GHz – Cortex-X44x 2 GHz – Cortex-A720
2x 2.342 GHz – Kryo2x 1.6 GHz – Kryo
Frequency
3400 MHz
2342 MHz
Cores
8
4
Instruction set
ARMv9.2-A
ARMv8-A
L3 cache
8 MB
—
Process
4 nm
14 nm
Transistor count
22.7
2
Manufacturing
TSMC
Samsung
L1 cache
—
64 KB
L2 cache
—
0
TDP
—
11 W
Graphics
GPU name
Mali-G720 Immortalis MP12
Adreno 530
GPU frequency
1300 MHz
653 MHz
Shading units
128
256
Vulkan version
1.3
1.0
OpenCL version
3.0
2.0
DirectX version
12
11
Execution units
—
1
Memory
Memory Type
LPDDR5X
LPDDR4
Memory frequency
4266 MHz
1866 MHz
Bus
4x 16 Bit
4x 16 Bit
Max bandwidth
68.2 Gbit/s
29.8 Gbit/s
AI
NPU
MediaTek NPU 790
—
Multimedia (ISP)
Storage type
UFS 4.0
eMMC 5.1, UFS 2.0
Max display resolution
3840 x 2160
3840 x 2160
Max camera resolution
1x 320MP
1x 28MP, 2x 13MP
Video capture
8K at 30FPS, 4K at 60FPS
4K at 30FPS
Video playback
8K at 30FPS, 4K at 60FPS
4K at 30FPS
Video codecs
- H.264- H.265- AV1- VP9
H.264, H.265, VP8, VP9
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 7300 Mbps
Up to 600 Mbps
Wi-Fi
7
5
Bluetooth
6.0
4.1
Navigation
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
GPS, GLONASS, Beidou, Galileo
4G support
—
LTE Cat. 12
Upload speed
—
Up to 150 Mbps
Info
Announced
May 2025
Aug 2016
Class
Flagship
Flagship
Model number
—
MSM8996 Pro-AC
Benchmark
AnTuTu 10
2,159,260
—
Geekbench 6
2,233
391
Geekbench 6
7,258
797
FP32 (float)
3,993
334
▲ Specs Compare
Data sourced from official specifications and benchmark tests.