Apple iPhone 15 vs vivo y31 2021

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 53, 66 - global version; 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 53, 66, 71 - USA; 1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 53, 66, 71 - Canada, Japan; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 66 - China, Hong Kong

LTE frequency band 1, 3, 5, 8, 38, 40, 41
5G network

5G band 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 77, 78, 79 SA/NSA/Sub6 - global version; 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 77, 78, 79, 258, 260, 261 SA/NSA/Sub6/mmWave - USA; 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 76, 77, 78, 79 SA/NSA/Sub6 - Canada, Japan; 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 77, 78, 79 SA/NSA/Sub6 - China, Hong Kong

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HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A, 1 Gbps download, 500 Mbps upload

LTE, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2023-09

2021-01
Status

2023-09

2021-01

Design
Build

Glass front (Corning-made glass), glass back (Corning-made glass), aluminum frame

Glass front, plastic back, plastic frame
SIM

Nano-SIM and eSIM - global version; Dual eSIM with multiple numbers - USA; Dual SIM (Nano-SIM, dual stand-by) - China

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

147.6 mm

163.9 mm
Width

71.6 mm

75.3 mm
Thickness

7.8 mm

8.4 mm
Weight

171 g

188 g
Payment

Apple Pay(Visa, MasterCard, AMEX certified)

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Waterproof

IP68 (6m and 30 mins)

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Dust proof

IP68

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Colors

Black, Blue, Green, Pink, Yellow

Plastic

Display
Display type

Super Retina XDR OLED

IPS LCD
Physical size

6.1 inches

6.58 inches
Resolution

1179 x 2256 pixels

1080 x 2408 pixels
Pixel density

461 ppi

401 ppi
Display colors

16777216

16777216
Protection

Ceramic Shield glass

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Display features

HDR10, Dolby Vision, 1000 nits (HBM), 2000 nits (peak)

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Hardware
CPU

Hexa-core

Octa-core
CPU

Dual-core 3.46 GHz Everest

Quad-core 2.0 GHz Kryo 260 Gold
CPU(second)

quad-core 2.02 GHz Sawtooth

quad-core 1.8 GHz Kryo 260 Silver
Chipset

Apple A16 Bionic

Qualcomm SM6115 Snapdragon 662
GPU

Apple GPU (5-core graphics)

Adreno 610
Memory RAM

6 GB

6 GB
Internal storage

128, 256, 512 GB

128 GB
Memory card

No

microSD, microSDHC, microSDXC
Storage

NVMe

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OS
OS

iOS 17, upgradable to iOS 17.0.3

Android 11, Funtouch 11

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 48 MP, f/1.6 , 26 mm, 1.0 µm, 10x digital zoom

(wide) , 48 MP, f/1.8 , 0.8 µm, 1/2.0"
(ultrawide) , 12 MP, f/2.4 , 120˚ , 13 mm

(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

8000 x 6000 pixels

8000 x 6000 pixels
Primary camera video

4K@24/25/30/60fps, 1080p@25/30/60/120/240fps, HDR, Dolby Vision HDR (up to 60fps), Cinematic mode (4K@30fps), stereo sound rec.

4K@30fps, 1080p@30fps, gyro-EIS
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, RAW, Night Mode, Deep Fusion, Dolby Vision HDR video recording, Smart HDR 5, photographic styles, cinematic mode

Autofocus, continuous shooting, digital zoom, digital 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

Selfie camera
Selfie camera type

Dual

Single
Selfie camera

(wide) , 12 MP, f/1.9 , 23 mm, 1/3.6"

(wide) , 16 MP, f/2.0 , 1/3.06" , 1.0 µm
SL 3D
Selfie camera resolution

4032 x 3024 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock, Night Mode, Deep Fusion, HDR, Cinematic mode, Smart HDR 5, digital image stabilization, autofocus

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Selfie camera video

4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS

1080p@30fps

Sound
3.5mm jack

No

Yes
Loudspeaker

Yes, with stereo speakers

Yes
Earpiece

Yes

Yes

Multimedia
Radio

No

FM Radio

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, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0, DisplayPort

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.3

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

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