Product
Vivo Z3i
Vivo Z3i
Samsung Galaxy A36
Samsung Galaxy A36
Battery
Charging 18W wired 45W wired, 66% in 30 min, 100% in 68 min
Type 3315 mAh, non-removable 5000 mAh
Body
Build - Glass front (Gorilla Glass Victus+), plastic frame, glass back (Gorilla Glass Victus+)
Dimensions 156 x 75.6 x 8.1 mm (6.14 x 2.98 x 0.32 in) 162.9 x 78.2 x 7.4 mm (6.41 x 3.08 x 0.29 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Weight 164 g (5.78 oz) 195 g (6.88 oz)
  - IP67 dust/water resistant (up to 1m for 30 min)
Comms
Bluetooth 4.2, A2DP, EDR, LE, aptX 5.4, A2DP, LE
NFC No Yes (market/region dependent)
Positioning GPS, GLONASS, BDS GPS, GALILEO, GLONASS, BDS, QZSS
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, dual-band, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass Victus+
Resolution 1080 x 2280 pixels, 19:9 ratio (~400 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Size 6.3 inches, 99.1 cm2 (~84.0% screen-to-body ratio) 6.7 inches, 110.2 cm2 (~86.5% screen-to-body ratio)
Type IPS LCD Super AMOLED, 120Hz, 1200 nits (HBM), 1900 nits (peak)
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, compass
  - Virtual Proximity Sensing Circle to Search
Launch
Announced 2018, October. Released 2018, October 2025, March 02
Status Discontinued Available. Released 2025, March 10
Main Camera
Dual 16 MP, f/2.0, PDAF 2 MP, f/2.4, (depth) -
Features LED flash, HDR, panorama LED flash, panorama, HDR
Triple - 50 MP, f/1.8, (wide), 1/1.96", PDAF, OIS 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro)
Video 1080p@30fps 4K@30fps, 1080p@30/60fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) No
Internal 128GB 6GB RAM 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
  eMMC 5.1 UFS 2.2
Misc
Colors Aurora blue, Millenium Pink Lavender, Black, White, Lime
Models - SM-A366E, SM-A366E/DS, SM-A366B, SM-A366B/DS, SM-A366U, SM-A366U1
SAR - 1.07 W/kg (head)    
SAR EU - 0.53 W/kg (head)     1.29 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 8, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66
5G bands - 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE / 5G
  CDMA 800 / 1900 & TD-SCDMA -
Platform
Chipset Mediatek MT6771 Helio P60 (12 nm) Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
CPU Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU Mali-G72 MP3 Adreno 710
OS Android 8.1 (Oreo) Android 15, up to 6 major Android upgrades, One UI 7
Selfie camera
Features HDR -
Single 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm 12 MP, f/2.2, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30fps, 10-bit HDR
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
Tests
Battery (new) - Active use score 11:38h
Display - 1233 nits max brightness (measured)
Loudspeaker - -26.2 LUFS (Good)
Performance - AnTuTu: 613492 (v10) GeekBench: 2917 (v6) 3DMark: 912 (Wild Life Extreme)