Vivo X100 Ultra vs Vivo Y21d

At a glance

Brand: vivo; vivo
Release date: May 2024, 1 year ago; November 2025, 5 months ago
Launch price: CN¥ 6,499.00 ($ 950.39); —
AnTuTu: 2.341.602 Antutu v11 Overall performance better than 95% of devices; 222.000 Antutu v10 Overall performance better than 56% of devices

Size: 6.78"; 6.68"
Resolution: 1440 x 3200 px WQHD+; 720 x 1608 px HD+
Type: Oled Samsung E7; LCD IPS
Density: 518 ppi Very high density; 264 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, 1-120 Hz refresh rate, 1440 Hz PWM, Refresh rate 120 Hz, Touch sampling rate 300 Hz, Peak brightness - 3000 cd/m², 8000000:1 contrast ratio, HDR10+, DCI-P3, 10 Bits panel, Dolby Vision, Scratch resistant, Dual Edge display, Capacitive, Multi-touch, Frameless; Hole-punch Notch, Refresh rate 90 Hz, Peak brightness - 1000 cd/m², Max brightness HBM - 1000 cd/m², TÜV Rheinland Eye Comfort Certification, DCI-P3, 83% NTSC, LED Notifications, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: Qualcomm Snapdragon 8 Gen3; Unisoc Tiger T612 / T7225
CPU: 1x3.3GHz Cortex X4 + 3x3.2 GHz Cortex A720 + 2x3.0 GHz Cortex A720 + 2x2.3 GHz Cortex A520; 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.8Ghz
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 12 nm
Frequency: 3.3 GHz; 1.8 GHz
GPU: Adreno 750; Mali-G57 MP1
RAM: 12 GB; 4 GB
RAM type: RAM LPDDR5X; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.75; ƒ/ 1.8
Sensor: Sony LYT-900; —
Pixel size: 1.60 µm; —
Sensor size: 1"; —
Flash: Dual LED; Dual LED
Optical stabilization: Yes; No
Slow motion: Yes, 960 fps; Yes, 120 fps
Features: Cinematic Mode, Flicker sensor, Noise reduction, Time-Lapse, 4K Video, 8K Video, Digital zoom, Optical zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Gimbal, Autofocus, Touch focus, Manual focus, Phase detection autofocus (PDAF), Laser autofocus (LAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode; Digital zoom, Dual camera, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Front Flash

Dimensions: 75.6 mm 164.1 mm 9.2 mm Print 3D Model; 77.0 mm 166.1 mm 8.4 mm Print 3D Model
Weight: 229 g; 209 g
Materials: Aluminium alloy; Plastic , Splash resistant design
Colors: Black White Silver; Green Coral
Water/dust resistance: IP68, IP69; IP68, IP69
Usable surface: 89 %; 83 %

Operating system: Android 14 Upside-down cake OriginOS 4 (Android 14); Android 15 Funtouch OS 15 (Android 15)
Updates: OS updates: 3 years, Security updates: 3 years; —
Google services: Without Google Mobile services; With Google Mobile Services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.4 LELow energy consumption; Bluetooth 5.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC; A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy)
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 7 (802.11be); 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5); GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo

5G: n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n25 (1900), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500), n79 (4700); —
4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B66 (1700/2100); B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800); B1 (2100), B5 (850), B8 (900)
2G: CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)