Oppo K9x vs Realme 7 (Asia)

Phones Images
PHONES
Phone Names Oppo K9x Realme 7 (Asia)
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 2, 3, 5, 7, 8, 28, 34, 38, 39, 40, 411, 3, 5, 8, 38, 40, 41
5G bands1, 28, 41, 77, 78 SA/NSA-
SpeedHSPA, LTE, 5GHSPA, LTE
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / HSPA / LTE
 CDMA2000 1x -
Launch
Announced2021, December 232020, September 03. Released 2020, September 10
StatusAvailable. Released 2021, December 27Discontinued
Body
Build-Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions162.2 x 74.8 x 8.8 mm (6.39 x 2.94 x 0.35 in)162.3 x 75.4 x 9.4 mm (6.39 x 2.97 x 0.37 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight194 g (6.84 oz)196.5 g (6.95 oz)
Display
ProtectionAluminosilicate glassCorning Gorilla Glass 3
Resolution1080 x 2400 pixels, 20:9 ratio (~405 ppi density)1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Size6.49 inches, 102.2 cm2 (~84.2% screen-to-body ratio)6.5 inches, 102.0 cm2 (~83.4% screen-to-body ratio)
TypeIPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)IPS LCD, 90Hz, 480 nits (typ)
Platform
CPUOcta-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
ChipsetMediatek Dimensity 810 (6 nm)Mediatek MT6785V/CD Helio G95 (12 nm)
GPUMali-G57 MC2Mali-G76 MC4
OSAndroid 11, ColorOS 11.1Android 10, upgradable to Android 11, Realme UI 2.0
Memory
Card slotmicroSDXCmicroSDXC (dedicated slot)
Internal128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM64GB 6GB RAM, 128GB 8GB RAM
 UFS 2.2UFS 2.1
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Quad-64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF 8 MP, f/2.3, 119˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Single16 MP, f/2.0, 26mm (wide), 1/3.0”, 1.0µm-
Triple64 MP, f/1.7, 26mm (wide), 1/1.97”, 0.7µm, PDAF 2 MP (macro) Auxiliary lens-
Video1080p@30fps, gyro-EIS4K@30fps, 1080p@30/60/120fps, gyro-EIS
Selfie camera
Features-Panorama
Single16 MP, f/2.0, 26mm (wide), 1/3.0”, 1.0µm16 MP, f/2.1, 26mm (wide), 1/3.1", 1.0µm
Video1080p@30fps1080p@30/120fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.1, A2DP, LE, aptX5.0, A2DP, LE
NFCNoYes (Indonesia only)
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, BDS
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging33W wired, 50% in 27 min Reverse wired30W wired, 50% in 26 min, 100% in 65 min
TypeLi-Po 5000 mAh5000 mAh
Misc
ColorsBlack, BlueMist Blue, Mist White
ModelsPGCM10RMX2151, RMX2163
PriceAbout 190 EURAbout 170 EUR
SAR-0.99 W/kg (head)     0.93 W/kg (body)
Tests
Loudspeaker- -25.9 LUFS (Very good)
OUR TESTS
Display-1474:1 contrast ratio, 525 nits max brightness (measured)
Loudspeaker--25.9 LUFS (Very good)