Product
Vivo X20
Vivo X20
Xiaomi Redmi K80 Ultra
Xiaomi Redmi K80 Ultra
Battery
Charging - 100W wired, PD3.0 Bypass charging
Type Li-Ion 3250 mAh, non-removable Si/C Li-Ion 7410 mAh
Body
Build Glass front, aluminum back, aluminum frame Glass front, aluminum frame
Dimensions 155.9 x 75.2 x 7.2 mm (6.14 x 2.96 x 0.28 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 159 g (5.61 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 GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC, GLONASS
Radio No Unspecified
USB microUSB 2.0, OTG 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 - Scratch/drop-resistant glass
Resolution 1080 x 2160 pixels, 18:9 ratio (~402 ppi density) 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Size 6.01 inches, 93.2 cm2 (~79.5% screen-to-body ratio) 6.83 inches, 114.5 cm2 (~90.2% screen-to-body ratio)
Type Super AMOLED OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, HDR Vivid, 1800 nits (HBM), 3200 nits (peak)
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Launch
Announced 2017, September. Released 2017, October 2025, June 26
Status Discontinued Available. Released 2025, June 26
Main Camera
Dual 12 MP, f/1.8, AF 5 MP, f/2.4, (depth)
Features LED flash, HDR, panorama Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Video 1080p@30fps 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 64GB 4GB RAM 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
eMMC 5.1 UFS 4.1
Misc
Colors Matte Black, Black/Gold, Gold, Rose gold, Blue, Pink Gray, White, Blue, Green
Models X20A, 1721 -
Network
2G bands GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 2100
4G bands 1, 2, 3, 5, 7, 8, 34, 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 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
1, 2, 3, 4, 5, 8, - X20A CDMA2000 1x
Platform
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Mediatek Dimensity 9400+ (3 nm)
CPU Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)
GPU Adreno 512 Immortalis-G925
OS Android 7.1.1 (Nougat), upgradable to Android 8.0 (Oreo), Funtouch 3.2 Android 15, HyperOS 2
Selfie camera
Features - HDR
Single
Video 1080p@30/60fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
32-bit/192kHz audio 24-bit/192kHz Hi-Res & Hi-Res Wireless audio