Compare Devices

oppo a6k
tecno spark 7 pro
xiaomi mi 9
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Brand
 oppo tecno xiaomi
Model
 oppo a6k tecno spark 7 pro xiaomi mi 9
Announced
 2026 April 7 2021 April 27 2019 February 20
Status
 Available. Released 2026 April 7 Available. Released 2021 May 28 Available. Released 2019 March 25
Device Body
 glass front | plastic frame | plastic back glass front | plastic frame | plastic back glass front ( gorilla glass 6 ) | glass back ( gorilla glass 5 ) | aluminum frame
Dimensions
 166.6 x 78.5 x 8.6 mm ( 6.56 x 3.09 x 0.34 in ) 164.9 x 76.2 x 8.8 mm ( 6.49 x 3.00 x 0.35 in ) 157.5 x 74.7 x 7.6 mm ( 6.20 x 2.94 x 0.30 in )
Weight in gram
 216 173
SIM card
 Nano-SIM + Nano-SIM dual SIM ( Nano-SIM | dual stand-by ) dual SIM ( Nano-SIM | dual stand-by )
Water Resistance
 ip66/ip68/ip69k dust tight and water resistant high pressure water jets; immersible up to 1.5meterfor 30 min No No
Display type
 IPS LCD | 120hz | 900 Luminance units ( typ ) | 1125 Luminance units ( the peak ) IPS LCD | 90hz Super AMOLED | HDR10
Display resolution
 720 x 1570 pixels | 19.5 : 9 ratio ( ~256 pixel per inch density ) 720 x 1600 pixels | 20 : 9 ratio ( ~266 pixel per inch density ) 1080 x 2340 pixels | 19.5 : 9 ratio ( ~403 pixel per inch density )
Display size
 6.75 inches | 111.4 cm2 ( ~85.2% screen to body ratio ) 6.6 inches | 105.2 cm2 ( ~83.7% screen to body ratio ) 6.39 inches | 100.2 cm2 ( ~85.2% screen to body ratio )
Display Protection
 corning gorilla glass 6
Operating System
 android 15 | coloros 15 android 11 | hios 7.5 android 9.0 ( pie ) | upgradable to android 10 | miui 12
CPU
 Octa-core ( 2x2.4 GHz cortex-a76 & 6x2.0 GHz cortex-a55 ) Octa-core ( 2x2.0 GHz cortex-a75 & 6x1.8 GHz cortex-a55 ) Octa-core ( 1x2.84 GHz kryo 485 & 3x2.42 GHz kryo 485 & 4x1.78 GHz kryo 485 )
Chipset
 mediatek dimensity 6300 ( 6 nm ) mediatek mt6769v/cu helio g80 ( 12 nm ) Qualcomm sm8150 snapdragon 855 ( 7 nm )
GPU
 mali-g57 mc2 mali-g52 mc2 adreno 640
Memory card
 microsdxc microsdxc No
Memory v1
 256gb 8gb RAM 64gb 4gb RAM 64gb 6gb RAM
Memory v2
 256gb 12gb RAM | 512gb 8gb RAM 64gb 6gb RAM | 128gb 4gb RAM 64gb 8gb RAM | 128gb 6gb RAM | 128gb 8gb RAM | 256gb 8gb RAM
Primary camera
50 megapixel| lens aperture1.8 | 27mm ( wide ) | phase detection autofocus
auxiliary lens
48 megapixel| phase detection autofocus
secondary unknown Camera
third unknown Camera
48 megapixel| lens aperture1.8 | 27mm ( wide ) | 1/2.0" | 0.8µm | phase detection autofocus | Laser Auto focus
12 megapixel| lens aperture2.2 | 54mm ( telephoto ) | 1/3.6" | 1.0µm | phase detection autofocus | 2x optical zoom
16 megapixel| lens aperture2.2 | 13mm ( ultrawide ) | 1/3.0" | 1.0µm | phase detection autofocus
Secondary camera
8 megapixel| lens aperture2.0 | 25mm ( wide )
8 mega pixel
20 megapixel| lens aperture2.0 | ( wide ) | 1/3" | 0.9µm
Loud speaker
 Yes Yes Yes
Audio jack
 Yes Yes No
WLAN
 Wi-Fi 802.11 a/b/g/n/ac | dual-band Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | dlna | hotspot
Bluetooth
 5.4 | a2dp | le | aptx hd Yes 5.0 | a2dp | le | aptx hd
GPS
 Yes with dual-band a-gps glonass bds galileo qzss
NFC
 No No Yes
Radio
 unspecified FM Radio No
USB
 USB Type-C 2.0 | otg microusb 2.0 | otg USB Type-C 2.0 | USB on-the-go
Sensors
 fingerprint ( side-mounted ) | accelerometer | proximity | compass fingerprint ( rear-mounted ) | accelerometer | proximity fingerprint ( under display | optical ) | accelerometer | gyroscope | compass
Battery
 7000 mAh li-po 5000 mAh | Non-removable li-po 3300 mAh | Non-removable
Battery Charge
 45 wired | 33w pps | 13.5w pd | Fast charging 27w | quick charge 4+ | Fast wireless charging 20w
Colors
 twilight color color gradations, white color gradations, gold color gradations blue color gradations, green color gradations, , black color gradations violet color color gradations, ocean color color gradations, black color gradations
Network technology
 gsm / hspa / lte / 5g gsm / hspa / lte gsm / cdma / hspa / lte
5G bands
 1 | 3 | 5 | 8 | 28 | 41 | 48 | 77 | 78 sa/nsa
Network speed
 hspa lte 5g hspa 42.2/5.76 mbps lte cat4 150/50 mbps hspa 42.2/5.76 mbps lte-a (5ca) cat18 1200/150 mbps
GPRS
EDGE
Approx price
  • 240 GBP
  • 282 EUR
  • 2770 NOK
  • 3000 SEK
  • 17900 RUB
  • 290 USD
  • 1510 BRL
  • 410 AUD
  • 380000 KRW
  • 39000 JPY
  • 400 SGD
  • 1270 MYR
  • 1050 AED
  • 4800 ZAR
  • 500 GBP
  • 590 EUR
  • 5830 NOK
  • 6200 SEK
  • 37600 RUB
  • 600 USD
  • 3170 BRL
  • 870 AUD
  • 790000 KRW
  • 81000 JPY
  • 830 SGD
  • 2670 MYR
  • 2210 AED
  • 10100 ZAR