Product
Realme Narzo 20A
Realme Narzo 20A
Oppo K13x
Oppo K13x
Battery
Charging 10W wired 45W wired, 33W PPS, 13.5W PD, 50% in 37 min
Type 5000 mAh 6000 mAh
Body
Dimensions 164.4 x 75.4 x 8.9 mm (6.47 x 2.97 x 0.35 in) 165.7 x 76.2 x 7.9 mm (6.52 x 3.00 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 195 g (6.88 oz) 194 g (6.84 oz)
  - IP65 dust tight and water resistant (low pressure water jets) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Comms
Bluetooth 4.2, A2DP 5.4, A2DP, LE, aptX HD
NFC No No
Positioning GPS, GLONASS GPS, GALILEO, GLONASS, BDS, QZSS
Radio FM radio Unspecified
USB microUSB 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band
Display
Protection Corning Gorilla Glass 3 -
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 720 x 1604 pixels, 20:9 ratio (~264 ppi density)
Size 6.5 inches, 102.0 cm2 (~82.3% screen-to-body ratio) 6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio)
Type IPS LCD, 480 nits (peak) IPS LCD, 120Hz, 850 nits (typ), 1000 nits (HBM)
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (side-mounted), accelerometer, proximity, compass
Launch
Announced 2020, September 21 2025, June 23
Status Available. Released 2020, September 30 Available. Released 2025, June 27
Main Camera
Dual - 50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (wide)
Features LED flash, HDR, panorama LED flash, HDR, panorama
Triple 12 MP, f/1.8, 28mm (wide), 1/2.8", 1.25µm, PDAF 2 MP, f/2.4, (depth) 2 MP, f/2.4, (depth) -
Video 4K@30fps, 1080p@30fps, 480p@120fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC
Internal 32GB 3GB RAM, 64GB 4GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
  eMMC 5.1 UFS 2.2
Misc
Colors Glory Silver, Victory Blue Sunset Peach, Midnight Violet
Models RMX2050 CPH2753
SAR 1.18 W/kg (head)     0.63 W/kg (body)     1.18 W/kg (head)     1.05 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 900 / 2100
4G bands 1, 3, 5, 8, 38, 40, 41 1, 3, 5, 8, 28, 40, 41
5G bands - 1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Platform
Chipset Qualcomm SDM665 Snapdragon 665 (11 nm) Mediatek Dimensity 6300 (6 nm)
CPU Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 610 Mali-G57 MC2
OS Android 10, Realme UI Android 15, ColorOS 15
Selfie camera
Features HDR, panorama Panorama
Single 8 MP, f/2.0, 26mm (wide), 1/4.0", 1.12µm 8 MP, f/2.0, (wide)
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes