Product
Vivo X21 UD
Vivo X21 UD
₹56,038
OnePlus 13s
OnePlus 13s
₹57,999
Battery
Charging 18W wired 80W wired, 33W PPS, 18W PD, 18W QC 5W reverse wired
Type Li-Ion 3200 mAh, non-removable 5850 mAh
Body
Build Glass front (Gorilla Glass 3), aluminum back, aluminum frame Glass front, aluminum alloy frame
Dimensions 154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in) 150.8 x 71.7 x 8.2 mm (5.94 x 2.82 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 156.2 g (5.50 oz) 185 g (6.53 oz)
  - IP65 dust tight and water resistant (low pressure water jets)
Comms
Bluetooth 5.0, A2DP, LE 6.0, A2DP, LE, aptX HD, LHDC 5
Infrared port - Yes
NFC No Yes
Positioning GPS, GLONASS GPS (L1+L5), BDS (B1I+B1C+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
Radio FM radio No
USB microUSB 2.0, OTG USB Type-C 2.0, OTG
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 3 Crystal Shield Glass
Resolution 1080 x 2280 pixels, 19:9 ratio (~402 ppi density) 1216 x 2640 pixels, 19.5:9 ratio (~460 ppi density)
Size 6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio) 6.32 inches, 97.9 cm2 (~90.6% screen-to-body ratio)
Type Super AMOLED LTPO AMOLED, 1B colors, 120Hz, 2160Hz PWM, Dolby Vision, HDR10+, HDR Vivid, 1600 nits (HBM)
Features
Sensors Fingerprint (under display, optical), accelerometer, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
  - Circle to Search
Launch
Announced 2018, March. Released 2018, March 2025, June 05
Status Discontinued Available. Released 2025, June 12
Main Camera
Dual 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF 5 MP, f/2.4, (depth) 50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, OIS 50 MP, f/2.0, (telephoto), 1/2.75", 0.64µm, 2x optical zoom, PDAF
Features LED flash, HDR, panorama Color spectrum sensor, LED flash, HDR, panorama
Video 1080p@30fps 4K@30/60fps, 1080p@30/60/240fps, gyro-EIS, OIS, Dolby Vision HDR
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 128GB 6GB RAM 256GB 12GB RAM, 512GB 12GB RAM
  eMMC 5.1 UFS 4.0
Misc
Colors Black, Ruby Red Green Silk, Black Velvet, Pink Satin
Models X21UD A CPH2723
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 5, 8, 34, 38, 39, 40, 41 1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands - 1, 3, 5, 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 (CA), 5G
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE / 5G
  CDMA 800 & TD-SCDMA -
Platform
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
CPU Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU Adreno 512 Adreno 830
OS Android 8.1 (Oreo), Funtouch 4 Android 15, OxygenOS 15
Selfie camera
Features - HDR, panorama
Single 12 MP, f/2.0, (wide), 1/2.8", 1.28µm 32 MP, f/2.0, 21mm (wide), 1/3.1", 0.7µm, AF
Video 1080p@30fps 4K@30fps, 1080p@30fps, gyro-EIS
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  32-bit/192kHz Hi-Res audio -
Tests
Performance - AnTuTu: 2499190 (v10) GeekBench: 9093 (v6) 3DMark: 6473 (Wild Life Extreme)
Offers See on Amazon See on Amazon