Mobile processor comparison

Qualcomm Snapdragon 685 vs MediaTek Dimensity 8400

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

Compared fields 39
Different values 37
Quick factual highlights
Qualcomm Snapdragon 685 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

SpecificationQualcomm Snapdragon 685MediaTek Dimensity 8400
Architecture 4x 2.8 GHz - Cortex-A734x 1.9 GHz - Cortex-A53 1x 3.25 GHz - Cortex-A7253x 3 GHz - Cortex-A7254x 2.1 GHz - Cortex-A725
CPU cores 8 8
Clock speed 2800 MHz 3250 MHz
Instruction set ARMv8.2-A ARMv9-A
Process technology 6 nanometers 4 nanometers

Cache and memory

SpecificationQualcomm Snapdragon 685MediaTek Dimensity 8400
L2 cache Not available 1 MB
L3 cache Not available 6 MB
Memory type LPDDR4X LPDDR5X
Memory frequency 2133 MHz 4266 MHz
Memory bus 2x 16 Bit 4x 16 Bit
Maximum bandwidth 17 Gbit/s 68.2 Gbit/s
Maximum memory 8 GB 24 GB

Graphics and AI

SpecificationQualcomm Snapdragon 685MediaTek Dimensity 8400
GPU Adreno 610 Mali-G720 MP7
GPU architecture Adreno 600 Valhall 5th gen
GPU clock 1260 MHz 1300 MHz
Shaders 128 896
FLOPS 319.2 Gigaflops 2329.6 Gigaflops
Vulkan 1.1 1.3
OpenCL 2.0 3.2
DirectX 12.1 12
Neural processor / NPU Hexagon 686 MediaTek NPU 880

Display and media

SpecificationQualcomm Snapdragon 685MediaTek Dimensity 8400
Maximum display resolution 2520 x 1080 Not available
Maximum camera resolution 1x 108MP, 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

SpecificationQualcomm Snapdragon 685MediaTek Dimensity 8400
4G LTE Cat. 13 Not available
5G No Yes
Download speed Up to 390 Mbps Up to 5170 Mbps
Upload speed Up to 150 Mbps Not available
Wi-Fi 5 6
Bluetooth 5.2 6.0
Navigation GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

General

SpecificationQualcomm Snapdragon 685MediaTek Dimensity 8400
Release March 2023 December 2024
Class Low end Mid range
Model number SM6225-AD MT6899, MT6899Z
Storage support UFS 2.2 UFS 4.0
Devices in database 9 Not available
Real devices

Phones using these processors

Examples found in the existing device catalogue.

Qualcomm Snapdragon 685

4G
Oppo Reno12 FS 4G
Oppo

Oppo Reno12 FS 4G

3.0
Smartphone
Display
AMOLED 16.7M colors, 120 Hz, 1080 × 2400 pixe…
RAM
8 GB
Storage
512 GB
Battery
Li-Po 5000 mAh
4G
Oppo Reno12 F 4G
Oppo

Oppo Reno12 F 4G

3.0
Smartphone
Display
AMOLED 16.7M colors, 120 Hz, 1080 × 2400 pixe…
RAM
8 GB
Storage
256 GB, 512 GB
Battery
Li-Po 5000 mAh
Honor Pad X9a WiFi
Honor

Honor Pad X9a WiFi

3.2
Tablet
Display
IPS TFT 1.07G colors, 120 Hz, 1504 × 2508 pix…
RAM
8 GB
Storage
128 GB
Battery
Li-Ion 8300 mAh
4G
Honor Pad X9a
Honor

Honor Pad X9a

3.2
Tablet
Display
IPS TFT 1.07G colors, 120 Hz, 1504 × 2508 pix…
RAM
8 GB
Storage
128 GB
Battery
Li-Ion 8300 mAh
4G
Honor X8c
Honor

Honor X8c

3.2
Smartphone
Display
AMOLED 16.7M colors, 120 Hz, 1080 × 2412 pixe…
RAM
6 GB, 8 GB
Storage
128 GB, 256 GB, 512 GB
Battery
Li-Po 5000 mAh
Honor Pad X9 Pro
Honor

Honor Pad X9 Pro

3.2
Tablet
Display
IPS TFT 1.07G colors, 120 Hz, 1200 × 2000 pix…
RAM
6 GB, 8 GB
Storage
128 GB, 256 GB
Battery
Li-Po 8300 mAh
4G
Honor X7c 4G
Honor

Honor X7c 4G

3.2
Smartphone
Display
IPS TFT 16.7M colors, 120 Hz, 720 × 1610 pixe…
RAM
6 GB, 8 GB
Storage
128 GB, 256 GB
Battery
Li-Po 6000 mAh
Honor Pad X9
Honor

Honor Pad X9

3.2
Tablet
Display
IPS TFT 1.07G colors, 120 Hz, 1200 × 2000 pix…
RAM
4 GB
Storage
128 GB
Battery
Li-Po 7250 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