Google Pixel 4a vs vivo X90

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71

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

-

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

42 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE-A (3CA) Cat 12, 600 Mbps download, 75 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 3), plastic back, plastic frame

Glass front, glass back or eco leather back
SIM

Nano-SIM and/or eSIM

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

144 mm

164.1 mm
Width

69.4 mm

74.4 mm
Thickness

8.2 mm

8.5 mm
Weight

143 g

196/200 g
Waterproof

-

IP64
Dust proof

-

IP64
Colors

Black

Black, Blue, Red

Display
Display type

OLED capacitive touchscreen

AMOLED
Physical size

5.81 inches

6.78 inches
Resolution

1080 x 2340 pixels

1260 x 2800 pixels
Pixel density

443 ppi

453 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, Corning Gorilla Glass 3

Scratch resistant, 3D curved glass screen
Display features

HDR, Always-on display

120Hz, HDR10+

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.2 GHz Kryo 470 Gold

Single-core 3.05 GHz Cortex-X3
CPU(second)

Hexa-core 1.8 GHz Kryo 470 Silver

Triple-core 2.85 GHz Cortex-A715
CPU(third)

Quad-core 1.8 GHz Cortex-A510
Chipset

Qualcomm SDM730 Snapdragon 730G

MediaTek Dimensity 9200
GPU

Adreno 618

Arm Immortalis-G715
Memory RAM

6 GB

8, 12 GB
Internal storage

128 GB

128, 256, 512 GB
Memory card

No

No
Storage

UFS 2.1

UFS 3.1, UFS 4.0

Main camera
Camera type

Single

Triple
Main camera

12 MP, f/1.7 , 27 mm, 1/2.55" , 1.4 µm

50 MP, f/1.8 , 1/1.49" , 1.0 µm, (wide) , 10x digital zoom
(telephoto) , 12 MP, f/2.0 , 50 mm, 1/2.93" , 1.22 µm, 2x optical zoom
116˚ , (ultrawide) , 12 MP, f/2.0 , 16 mm, 1/2.93" , 1.22 µm
Primary camera resolution

4032 x 3024 pixels

8190 x 6120 pixels
Primary camera video

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

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

-

Zeiss optics
Primary camera flash

dual LED flash

dual-LED dual-tone flash
Camera features

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, 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, phase detection autofocus, laser autofocus
DxOMark photo

122

-
DxOMark zoom

34

-
DxOMark video

98

-
DxOMark camera score

111

-

Selfie camera
Selfie camera type

-

Single
Selfie camera

8 MP, f/2.0 , 24 mm, 1.12 µm

32 MP, f/2.5 , 24 mm, 0.8 µm, (wide) , 1/2.8"
Selfie camera resolution

3264 x 2448 pixels

6528 x 4896 pixels
Selfie camera features

-

Face unlock
Selfie camera video

1080p@30fps

4K@30fps, 1080p@30fps

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

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

aptX HD
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

-

Yes
QZSS

Yes

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity