Product
Realme X3
Realme X3
Xiaomi Redmi K80 Ultra
Xiaomi Redmi K80 Ultra
Battery
Charging 30W wired, 100% in 55 min 100W wired, PD3.0 Bypass charging
Type 4200 mAh Si/C Li-Ion 7410 mAh
Body
Build Glass front (Gorilla Glass 5), glass back, plastic frame Glass front, aluminum frame
Dimensions 163.8 x 75.8 x 8.9 mm (6.45 x 2.98 x 0.35 in) 163.1 x 77.9 x 8.2 mm (6.42 x 3.07 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 202 g (7.13 oz) 219 g (7.72 oz)
  - IP68 dust tight and water resistant (immersible up to 2m for 30 min)
Comms
Bluetooth 5.0, A2DP, LE 5.4, A2DP, LE, LHDC 5
Infrared port - Yes
NFC No Yes
Positioning GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC, GLONASS
Radio No Unspecified
USB USB Type-C 2.0 USB Type-C
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 Scratch/drop-resistant glass
Resolution 1080 x 2400 pixels, 20:9 ratio (~399 ppi density) 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Size 6.6 inches, 105.2 cm2 (~84.7% screen-to-body ratio) 6.83 inches, 114.5 cm2 (~90.2% screen-to-body ratio)
Type IPS LCD, 120Hz OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, HDR Vivid, 1800 nits (HBM), 3200 nits (peak)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Launch
Announced 2020, June 25 2025, June 26
Status Available. Released 2020, June 30 Available. Released 2025, June 26
Main Camera
Dual - 50 MP, f/1.9, 23mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, 119˚ (ultrawide), 1/4.0", 1.12µm
Features LED flash, HDR, panorama Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Quad 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 12 MP, f/2.5, 51mm (telephoto), PDAF, 2x optical zoom 8 MP, f/2.3, 119˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) -
Video 4K@30/60fps, 1080p@30/60fps, 720p@960fps; gyro-EIS 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Memory
Card slot No No
Internal 128GB 6GB RAM, 128GB 8GB RAM 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
  UFS 3.0 UFS 4.1
Misc
Colors Glacier Blue, Arctic White Gray, White, Blue, Green
Models RMX2142, RMX2081, RMX2085, RMX2083 -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 2100
4G bands 1, 3, 5, 8, 38, 39, 40, 41 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands - 1, 3, 5, 7, 8, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
  - CDMA2000 1x
Platform
Chipset Qualcomm SM8150 Snapdragon 855+ (7 nm) Mediatek Dimensity 9400+ (3 nm)
CPU Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) Octa-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)
GPU Adreno 640 (700 MHz) Immortalis-G925
OS Android 10, upgradable to Android 11, Realme UI 2.0 Android 15, HyperOS 2
Selfie camera
Dual 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 8 MP, f/2.2, 105˚ (ultrawide), 1/4.0", 1.12µm -
Features Panorama HDR
Single - 20 MP, (wide), 1/2.0", 0.8µm
Video 1080p@30fps, gyro-EIS 1080p@30/60fps
Sound
3.5mm jack No No
Loudspeaker Yes Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio 24-bit/192kHz Hi-Res & Hi-Res Wireless audio