Mobile processor comparison

Samsung Exynos 7884B vs MediaTek Dimensity 8400

Compare available catalogue specifications. The page highlights factual differences without declaring an overall winner.

Compared fields 41
Different values 39
Quick factual highlights
Samsung Exynos 7884B No safely comparable numerical advantage detected.
MediaTek Dimensity 8400
  • Higher maximum CPU clock
  • Smaller manufacturing process
  • Higher listed GPU clock
  • Higher listed download speed
Side-by-side specifications

Detailed comparison

CPU

SpecificationSamsung Exynos 7884BMediaTek Dimensity 8400
Architecture 2x 1.6 GHz - Cortex-A736x 1.35 GHz - Cortex-A53 1x 3.25 GHz - Cortex-A7253x 3 GHz - Cortex-A7254x 2.1 GHz - Cortex-A725
CPU cores 8 8
Clock speed 1560 MHz 3250 MHz
Instruction set ARMv8-A ARMv9-A
Process technology 14 nanometers 4 nanometers
Transistors 2 billion Not available

Cache and memory

SpecificationSamsung Exynos 7884BMediaTek Dimensity 8400
L2 cache Not available 1 MB
L3 cache Not available 6 MB
Memory type LPDDR4 LPDDR5X
Memory frequency 1866 MHz 4266 MHz
Memory bus 2x 32 Bit 4x 16 Bit
Maximum bandwidth 7.8 Gbit/s 68.2 Gbit/s
Maximum memory 4 GB 24 GB

Graphics and AI

SpecificationSamsung Exynos 7884BMediaTek Dimensity 8400
GPU Mali-G71 MP2 Mali-G720 MP7
GPU architecture Not available Valhall 5th gen
GPU clock 770 MHz 1300 MHz
Execution units 2 Not available
Shaders 16 896
FLOPS 49.3 Gigaflops 2329.6 Gigaflops
Vulkan 1.3 1.3
OpenCL 2.0 3.2
DirectX Not available 12
Neural processor / NPU No MediaTek NPU 880

Display and media

SpecificationSamsung Exynos 7884BMediaTek Dimensity 8400
Maximum display resolution 2220 x 1080 Not available
Maximum camera resolution 1x 21MP, 2x 16MP 1x 320MP, 3x 32MP
Video capture 1K at 60FPS 4K at 60FPS
Video playback 1080p at 60FPS 4K at 60FPS
Video codecs H.264, H.265, VP8, VP9 - H.264 - H.265 - AV1 - VP9
Audio codecs AIFF, CAF, MP3, MP4, WAV - AAC LC - FLAC - HE-AACv1 - HE-AACv2 - MP3

Connectivity

SpecificationSamsung Exynos 7884BMediaTek Dimensity 8400
4G LTE Cat. 12 Not available
5G No Yes
Download speed Up to 600 Mbps Up to 5170 Mbps
Upload speed Up to 150 Mbps Not available
Wi-Fi 5 6
Bluetooth 5.0 6.0
Navigation GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

General

SpecificationSamsung Exynos 7884BMediaTek Dimensity 8400
Release September 2019 December 2024
Class Low end Mid range
Model number Not available MT6899, MT6899Z
Storage support eMMC 5.1 UFS 4.0
Devices in database 2 Not available
Real devices

Phones using these processors

Examples found in the existing device catalogue.

Samsung Exynos 7884B

PDF manual 4G
Samsung Galaxy A21 SC-42A
Samsung

Samsung Galaxy A21 SC-42A

3.2
Smartphone
Display
IPS TFT 16M colors, 60 Hz, 720 × 1560 pixels…
RAM
3 GB
Storage
64 GB
Battery
Li-Ion 3600 mAh

MediaTek Dimensity 8400

5G
Realme GT 7T
Realme

Realme GT 7T

3.6
Smartphone
Display
AMOLED, 120 Hz, 1280 × 2800 pixels (6.80 inch…
RAM
12 GB, 8 GB
Storage
256 GB, 512 GB
Battery
Si-Car 7000 mAh
5G
Realme Neo7 SE
Realme

Realme Neo7 SE

3.6
Smartphone
Display
LTPO AMOLED 1.07G colors, 120 Hz (6.78 inches)
RAM
12 GB, 16 GB, 8 GB
Storage
256 GB, 512 GB
Battery
Li-Po 7000 mAh
5G
Redmi Turbo 4
Redmi

Redmi Turbo 4

3.6
Smartphone
Display
OLED 68.7G colors, 120 Hz, 1220 × 2712 pixels…
RAM
12 GB, 16 GB
Storage
256 GB, 512 GB
Battery
Li-Po 6550 mAh