Product
Realme Narzo N53
Realme Narzo N53
Oppo K13x
Oppo K13x
Battery
Charging 33W wired, 50% in 31 min 45W wired, 33W PPS, 13.5W PD, 50% in 37 min
Type 5000 mAh 6000 mAh
Body
Build Glass front, plastic frame, plastic back -
Dimensions 167.3 x 76.7 x 7.5 mm (6.59 x 3.02 x 0.30 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 182 g (6.42 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 5.0, A2DP, LE 5.4, A2DP, LE, aptX HD
NFC No No
Positioning GPS, GLONASS, GALILEO GPS, GALILEO, GLONASS, BDS, QZSS
Radio Unspecified Unspecified
USB USB Type-C 2.0 USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 a/b/g/n/ac, dual-band
Display
Resolution 1080 x 2400 pixels, 20:9 ratio (~390 ppi density) 720 x 1604 pixels, 20:9 ratio (~264 ppi density)
Size 6.74 inches, 109.7 cm2 (~85.5% screen-to-body ratio) 6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio)
Type IPS LCD, 90Hz, 450 nits (peak) IPS LCD, 120Hz, 850 nits (typ), 1000 nits (HBM)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, proximity, compass
Launch
Announced 2023, May 18 2025, June 23
Status Available. Released 2023, May 22 Available. Released 2025, June 27
Main Camera
Dual 50 MP, f/1.8, (wide), PDAF 0.3 MP, (depth) 50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (wide)
Features LED flash, HDR, panorama LED flash, HDR, panorama
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC
Internal 64GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
  - UFS 2.2
Misc
Colors Black, Gold Sunset Peach, Midnight Violet
Models RMX3761 CPH2753
SAR - 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 Unisoc Tiger T612 (12 nm) Mediatek Dimensity 6300 (6 nm)
CPU Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G57 Mali-G57 MC2
OS Android 13, Realme UI T Android 15, ColorOS 15
Selfie camera
Features HDR Panorama
Single 8 MP, f/2.0, (wide) 8 MP, f/2.0, (wide)
Video 720p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes