Product
Oppo A1 (2018)
Oppo A1 (2018)
Oppo K13x
Oppo K13x
Battery
Charging - 45W wired, 33W PPS, 13.5W PD, 50% in 37 min
Type Li-Ion 3180 mAh, non-removable 6000 mAh
Body
Dimensions 150.5 x 73.1 x 7.7 mm (5.93 x 2.88 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 143 g (5.04 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, LE 5.4, A2DP, LE, aptX HD
NFC No No
Positioning GPS 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 a/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 1440 pixels, 18:9 ratio (~282 ppi density) 720 x 1604 pixels, 20:9 ratio (~264 ppi density)
Size 5.7 inches, 83.8 cm2 (~76.2% screen-to-body ratio) 6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio)
Type S-IPS LCD IPS LCD, 120Hz, 850 nits (typ), 1000 nits (HBM)
Features
Sensors Accelerometer, proximity, compass Fingerprint (side-mounted), accelerometer, proximity, compass
Launch
Announced 2018, March. Released 2018, April 2025, June 23
Status Discontinued Available. Released 2025, June 27
Main Camera
Dual - 50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (wide)
Features LED flash, panorama LED flash, HDR, panorama
Single 13 MP, f/2.2, 1/3.1", 1.12µm, PDAF -
Video 1080p@30fps 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 Deep sea blue, Cherry red, Pearl white Sunset Peach, Midnight Violet
Models - 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 / 1900 / 2100 HSDPA 900 / 2100
4G bands 1, 3, 5, 7, 8, 34, 38, 39, 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 / CDMA / HSPA / LTE GSM / HSPA / LTE / 5G
  CDMA 800 & TD-SCDMA -
Platform
Chipset Mediatek MT6763T Helio P23 (16 nm) Mediatek Dimensity 6300 (6 nm)
CPU Octa-core 2.5 GHz Cortex-A53 Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G71 MP1 Mali-G57 MC2
OS Android 7.1.1 (Nougat), ColorOS 3.2 Android 15, ColorOS 15
Selfie camera
Features - Panorama
Single 8 MP, f/2.2 8 MP, f/2.0, (wide)
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes