vivo S15 vs vivo iQOO 3 5G

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
3G network

HSDPA 850, 900, 1700(AWS), 2100; CDMA2000 1x

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
5G network

5G band 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA

5G band 1(2100), 3(1800), 41(2500), 77(3700), 78(3500), 79(4700); SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE Cat20
5G speed

-

3.3 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

AG glass, plastic

Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

161.1 mm

158.5 mm
Width

74.3 mm

74.9 mm
Thickness

8 mm

9.2 mm
Weight

197 g

214.5 g
Colors

Black, Blue, Yellow

Blue, Orange, Silver

Display
Display type

AMOLED

Super AMOLED capacitive touchscreen
Physical size

6.62 inches

6.44 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

398 ppi

409 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 6
Multitouch

-

Yes
Display features

120Hz, HDR10+, 1300 nits (peak)

HDR10+, 180Hz touch-sensing

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 64 MP, f/1.9 , 25 mm, 1/1.72"

48 MP, f/1.8 , 1/2.0" , 0.8 µm
(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm

13 MP, f/2.5 , 50 mm, 2x optical zoom
(macro) , 2 MP, f/2.4

13 MP, f/2.2 , 16 mm
2 MP, f/2.4
Primary camera resolution

9280 x 6920 pixels

8000 x 6000 pixels
Primary camera video

4K@30fps, 1080p@30fps

2160p@30/60fps, 1080p@30fps; gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection autofocus super night mode

Selfie camera
Selfie camera type

Single

-
Selfie camera

(wide) , 32 MP, f/2.0

16 MP, f/2.5
Selfie camera resolution

-

4640 x 3456 pixels
Selfie camera features

Face unlock, autofocus, HDR, face detection, panorama, geotagging, digital image stabilization

-
Selfie camera video

1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive

aptX HD
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyro, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4500 mAh

4400 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Yes, 66W (50% in 18 min)

Super Flash Charge 2.0(50% in 30 min)
Talk time 4G

13.8 h

-