Mobile processor comparison

MediaTek Dimensity 8400 vs Samsung Exynos 7884B

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

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

Detailed comparison

CPU

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

Cache and memory

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

Graphics and AI

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

Display and media

SpecificationMediaTek Dimensity 8400Samsung Exynos 7884B
Maximum display resolution Not available 2220 x 1080
Maximum camera resolution 1x 320MP, 3x 32MP 1x 21MP, 2x 16MP
Video capture 4K at 60FPS 1K at 60FPS
Video playback 4K at 60FPS 1080p at 60FPS
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

Connectivity

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

General

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

Phones using these processors

Examples found in the existing device catalogue.

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

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