Product
Realme GT Master
Realme GT Master
Oppo K13x
Oppo K13x
Battery
Charging 65W wired, 100% in 33 min 45W wired, 33W PPS, 13.5W PD, 50% in 37 min
Type 4300 mAh 6000 mAh
Body
Build Glass front, plastic frame, plastic back -
Dimensions 159.2 mm x 73.5 mm x 8.0/8.7 mm (depending on color) 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 174/180 g (depending on color) (6.14 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 5.2, A2DP, LE 5.4, A2DP, LE, aptX HD
NFC Yes No
Positioning GPS, GLONASS, GALILEO, BDS, QZSS GPS, GALILEO, GLONASS, BDS, QZSS
Radio No Unspecified
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band
Display
Resolution 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 720 x 1604 pixels, 20:9 ratio (~264 ppi density)
Size 6.43 inches, 99.8 cm2 (~85.3% screen-to-body ratio) 6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio)
Type Super AMOLED, 120Hz, 1000 nits (peak) IPS LCD, 120Hz, 850 nits (typ), 1000 nits (HBM)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, proximity, compass
Launch
Announced 2021, July 21 2025, June 23
Status Available. Released 2021, July 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 64 MP, f/1.8, 25mm (wide), 1/2.0", 0.7µm, PDAF 8 MP, f/2.2, 16mm, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) -
Video 4K@30fps, 1080p@30/60fps, gyro-EIS 1080p@30fps
Memory
Card slot No microSDXC
Internal 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
  UFS UFS 2.2
Misc
Colors Black, Gray, White, Aurora Sunset Peach, Midnight Violet
Models RMX3363, RMX3360, RMX3361 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 / 1700(AWS) / 1900 / 2100 HSDPA 900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 - International 1, 3, 5, 8, 28, 40, 41
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA - International 1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
Speed HSPA, LTE, 5G HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / EVDO / LTE / 5G GSM / HSPA / LTE / 5G
  1, 3, 5, 8, 28, 41, 77, 78 SA/NSA - China -
Our Tests
Battery (old) Endurance rating 114h -
Camera Photo / Video -
Display 634 nits max brightness (measured) -
Loudspeaker -29.2 LUFS (Average) -
Performance AnTuTu: 529263 (v9) GeekBench: 2917 (v5.1) GFXBench: 27fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SM7325 Snapdragon 778G 5G (6 nm) Mediatek Dimensity 6300 (6 nm)
CPU Octa-core (1x2.4 GHz Cortex-A78 & 3x2.2 GHz Cortex-A78 & 4x1.9 GHz Cortex-A55) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 642L Mali-G57 MC2
OS Android 11, upgradable to Android 13, Realme UI 4.0 Android 15, ColorOS 15
Selfie camera
Features HDR, panorama Panorama
Single 32 MP, f/2.5, 26mm (wide), 1/2.74", 0.8µm 8 MP, f/2.0, (wide)
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  24-bit/192kHz Hi-Res audio -