vivo Y27s vs vivo iQOO 9T

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100

HSDPA 800, 850, 900, 1700, 1800, 1900
4G network

LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
5G network

-

5G band 1, 3, 5, 8, 28, 40, 41, 77, 78
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, 391 Mbps download, 151 Mbps upload

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

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic frame, plastic back

Glass front (Gorilla Glass 5), aluminum frame, glass back
SIM

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

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

164.1 mm

165 mm
Width

76.2 mm

77 mm
Thickness

8.2 mm

8 mm
Weight

192 g

206 g
Waterproof

IP54

-
Dust proof

IP54

-
Colors

Black, Green

Alpha, Legend (BMW M branding)

Display
Display type

IPS LCD

AMOLED
Physical size

6.64 inches

6.78 inches
Resolution

1080 x 2388 pixels

1080 x 2400 pixels
Pixel density

395 ppi

388 ppi
Display colors

16777216

1073741824
Protection

-

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
Display features

-

120Hz, HDR10+, 1500 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Quad-core 2.4 GHz Kryo 265 Gold

Single-core 3.19 GHz Cortex-X2
CPU(second)

quad-core 1.9 GHz Kryo 265 Silver

Triple-core 2.75 GHz Cortex-A710
CPU(third)

Quad-core 1.80 GHz Cortex-A510
Chipset

Qualcomm SM6225 Snapdragon 680 4G

Qualcomm SM8475 Snapdragon 8+ Gen 1
GPU

Adreno 610

Adreno 730
Internal storage

128, 256 GB

128, 256 GB
Memory RAM

8 GB

8, 12 GB
Memory card

microSD, microSDHC, microSDXC

No
Memory card max

1 TB

-
Storage

UFS 2.2

UFS 3.1

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 50 MP, f/1.8

(wide) , 50 MP, f/1.9 , 1/1.57" , 1.0 µm, 20x digital zoom
(depth) , 2 MP, f/2.4

(telephoto) , 12 MP, f/2.0 , 47 mm, 2x optical zoom
120˚ , (ultrawide) , 13 MP, f/2.2 , 16 mm
Primary camera video

1080p@30fps

4K@30/60fps, 1080p@30/60fps, gyro-EIS
Primary camera flash

dual-LED dual-tone flash

dual-LED dual-tone flash
Camera features

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

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, RAW

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

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

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD, aptX Adaptive
NFC

Yes (market dependent)

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes