Vivo X21I vs Vivo V25 Pro

Product
Vivo X21I
509 USD
Vivo V25 Pro
510 USD

Price
509 USD
510 USD
Status
Discontinued
Available
Brand
Vivo Mobiles
Vivo Mobiles
Model No
X21I
V2158

Launch Date
2018, May 11
2022, August 25

Technology
GSM / CDMA / HSPA / LTE
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 ,CDMA 800 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 3, 4, 5, 8, 38, 39, 40, 41
1, 2, 3, 4, 5, 8, 18, 19, 26, 38, 39, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE
HSPA 42.2/5.76 Mbps, LTE-A, 5G
5G bands
1, 3, 5, 8, 40, 41, 77, 78 SA/NSA
GPRS
GPS, BEIDOU, GLONASS, GALILEO, QZSS, NAVIC (only supported in IN)

Dimensions
154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)
158.9 x 73.5 x 8.6 mm (6.26 x 2.89 x 0.34 in)
Weight
159 g (5.61 oz)
190 g (6.70 oz)
SIM
Hybrid Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Colors
Black, Aurora White, Ruby Red, Night Purple
Pure Black, Sailing Blue
Build
Glass front, glass back, Resistant to drops, scratches, and sweat

Type
Super AMOLED capacitive touchscreen, 16M colors
AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Size
6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio)
6.56 inches, 104.6 cm2 (~89.6% screen-to-body ratio)
Resolution
1080 x 2280 Pixels, 19:9 ratio (~402 ppi density)
1080 x 2376 pixels (~398 ppi density)

OS
Android 8.1 (Oreo), Funtouch 4
Android 12, Funtouch 12
Chipset
Mediatek MT6771 Helio P60 (12 nm)
MediaTek Dimensity 1300 (6 nm)
CPU
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
Mali-G72 MP3
Mali-G77 MC9

RAM
4GB/6GB
8GB/12GB
Storage
64GB/128GB
128GB/256GB
Card Slot
microSDXC (uses shared SIM slot)
No

Lens 1
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF
64 MP, f/1.9, 25mm (wide), 1/1.72", 0.8µm, PDAF, OIS
Lens 2
5 MP, f/2.4, (depth)
12 MP, f/2.2, 16mm, 120˚ (ultrawide)
Features
LED flash, HDR, panorama
Night, Portrait, Photo, Video, Super-Macro, High Resolution, Panorama, Live Photo, Slow Motion, Time-Lapse, Pro, AR Stickers, Vlog Movie, Documents, Double Exposure, Dual View
Video
1080p@30fps
4K@30fps, 1080p@30fps
Lens 3
2 MP, f/2.4, (macro)

Lens 1
24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm
32 MP, f/2.5, (wide), 1/2.8", 0.8µm, AF
Features
Night, Portrait, Photo, Video, High Resolution, Live Photo, Slow Motion, AR Stickers, Vlog Movie, Double Exposure, Dual View
Video
4K@30fps, 1080p@30fps, HDR

Capacity
Li-Ion 3425 mAh, non-removable
Li-Po 4830 mAh, non-removable
Charging
Fast charging 18W
Fast charging 66W, 40% in 15 min, 71% in 30 min (advertised)

Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, Color changing back panel color

Loudspeaker
Yes
Yes, with dual speakers (closed type)
3.5mm jack
Yes, 32-bit/192kHz audio
No, 24-bit/192kHz audio

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE
5.2, A2DP, LE
GPS
A-GPS, GLONASS, BDS
Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC
Radio
Yes
No
USB
microUSB 2.0, USB On-The-Go
USB Type-C 2.0, USB On-The-Go
NFC
No

Performance
AnTuTu: 704090 (v9) GeekBench: 2521 (v5.1) GFXBench: 42fps (ES 3.1 onscreen)
Display
Contrast ratio: Infinite (nominal)
Loudspeaker
-27.3 LUFS (Good)
Battery life
Endurance rating 101h