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vivo X21 vs Samsung Galaxy S24 vs Google Pixel 9 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
vivo X21
7.2
Samsung Galaxy S24
7.2
Google Pixel 9
vivo X21 Samsung Galaxy S24 Google Pixel 9
Released · May 29, 2018
Released · Jan 31, 2024
Released · Aug 22, 2024
6.3-inch · 2280 x 1080 px
6.2-inch · 2340 x 1080 px
6.3-inch · 2400 x 1080 px
12 MP Main · 12 MP Selfie
50 MP Main · 12 MP Selfie
50 MP Main · 10.5 MP Selfie
6GB · 128GB
8GB · 128GB
12GB · 128GB
3200 mAh
4000 mAh
4700 mAh
Check prices Check prices

Display

Size
6.3-inch 6.2-inch 6.3-inch
Resolution
2280 x 1080 px, 402 PPI 2340 x 1080 px, 19.5:9 ratio, 416 PPI 2400 x 1080 px, 20:9 ratio, 418 PPI
Technology
Super AMOLED Dynamic AMOLED OLED
Refresh rate
120Hz 120Hz
Screen-to-body
85.36 % 90.87 % 81.73 %
Peak brightness
2600 cd/m2 (nit) 2700 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 660 SDM660 (14 nm) Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) Google Tensor G4 (4 nm)
Processor
Octa-core, 2200 MHz, Kryo 260, 64-bit Octa-core, 1x 3.39GHz Cortex-X4 + 3x 3.1GHz Cortex-A720 + 2x 2.9GHz Cortex-A720 + 2x 2.2GHz Cortex-A520 Octa-core, 1x 3.1GHz Cortex-X4 + 3x 2.6GHz Cortex-A720 + 4x 1.92GHz Cortex-A520
GPU
Adreno 512 Adreno 750 Mali-G715 MC7
RAM
6GB (LPDDR4) 8GB (LPDDR5X) 12GB (LPDDR5X)
Internal storage
128GB 128GB (UFS 3.1), not expandable 128GB, not expandable
Storage expansion
microSDXC up to 256 GB
OS
Android (8.1 Oreo), Funtouch UI Android (14), One UI Android (15, 14)
Device type
Smartphone Smartphone Smartphone

Battery

Capacity
3200 mAh 4000 mAh 4700 mAh
Type
Li - Ion, Not user replaceable Li - Ion, Not user replaceable Li - Ion, Not user replaceable
Charging
Fast charging Fast charging, Qi wireless charging, Reverse wireless charging Fast charging, Qi wireless charging
Max charge speed
Wired: 25.0W
Wireless: 15.0W 		Wired: 27.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
6h 37min
Browsing
16h 18min
Video
8h 20min
Gaming
10h 45min
Battery Life Estimate
6h 48min
Browsing
17h 34min
Video
8h 28min
Gaming
10h 4min
Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Dual camera Triple camera Dual camera
Main camera
12 MP (PDAF)
Specifications:
Aperture size: F1.8
Sensor size: 1/2.8"
Pixel size: 1.28 μm 		50 MP (OIS, PDAF)
Specifications:
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.56"
Pixel size: 1.0 μm 		50 MP
Specifications:
Aperture size: F1.7
Focal length: 25 mm
Sensor size: 1/1.31"
Pixel size: 1.12 μm
Second camera
5 MP (Depth information)
Specifications:
Aperture size: F2.4 		10 MP (Telephoto, OIS)
Specifications:
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 67 mm
Sensor size: 1/3.94"
Pixel size: 1.0 μm 		48 MP (Ultra-wide)
Specifications:
Aperture size: F1.7
Sensor size: 1/2.55"
Third camera
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Flash
LED LED LED
Video recording
1920x1080 (Full HD) (30 fps)
Features:
Time-lapse video, Video calling, Video sharing 		7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)
Features:
HDR, Continuous autofocus, Picture-taking during video recording, 10-bit HDR 		3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD)
Front
12 MP, Video capture: 1920x1080 (Full HD) 12 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) 10.5 MP, Video capture: 3840x2160 (4K UHD) (60 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
152
Overall
156
Photo
147
Video
144
Overall
153
Photo
136
Video
Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
6.08 x 2.94 x 0.29 inches
(154.45 x 74.78 x 7.37 mm) 		5.79 x 2.78 x 0.30 inches
(147 x 70.6 x 7.6 mm)
thickness with camera 0.35 inches (8.85 mm) 		6.02 x 2.83 x 0.33 inches
(152.8 x 72.0 x 8.5 mm)
thickness with camera 0.47 inches (12 mm)
Weight
5.51 oz(156.2 g) 5.93 oz(168.0 g) 6.98 oz(198.0 g)
Materials
Back: Aluminum
Frame: Aluminum 		Back: Glass (Corning Gorilla Glass Victus 2)
Frame: Aluminum 		Back: Glass (Corning Gorilla Glass Victus 2)
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Dust; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint Ultrasonic in-screen fingerprint Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black Onyx Black, Marble Grey, Cobalt Violet, Amber Yellow, Jade Green, Sandstone Orange, Sapphire Blue Obsidian, Porcelain, Wintergreen, Peony

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, mmWave, 5G Ready Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n28, n29, n30, n38, n40, n41, n48, n66, n70, n71, n77, n78, n258, n260, n261, Sub-6, mmWave
4G (FDD)
Bands 1(2100), 3(1800), 5(850) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 40(2300), 41(2600+) Bands 38(2600), 39(1900+), 40(2300) Bands 38(2600), 40(2300), 41(2600+), 48(3600)
3G
Bands 5(850), 8(900), 1(2100) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Pro Cat 20 (2000/150 Mbit/s) LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Dual Nano SIM + eSIM Nano SIM, eSIM

Multimedia

Headphones
3.5mm jack No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation Noise cancellation Noise cancellation

Connectivity & Features

Bluetooth
5.0 5.3 5.3
Wi-Fi
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot 		802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E
Wi-Fi Direct, Hotspot 		802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E,Wi-Fi 7
Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0, Features: Charging, OTG, Mass storage device Type-C (reversible), USB 3.2, Features: Charging, OTG Type-C (reversible), USB 3.2, Features: Charging
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning, Emergency SOS via satellite (SMS sending/receiving)
Sensors
Accelerometer, Gyroscope, Compass Accelerometer, Gyroscope, Compass, Barometer Accelerometer, Gyroscope, Compass, Barometer
Other
VoIP, Tethering, Computer sync, OTA sync NFC NFC

Regulatory Approval

FCC approval
Date approved: Nov 30, 2023
FCC ID value: A3LSMS921U 		Date approved: Oct 16, 2024
FCC ID value: A4RG2YBB
Measured SAR
Head: 1.18 W/kg
Body: 0.57 W/kg 		Head: 1.23 W/kg
Body: 1.14 W/kg
Simultaneous Transmission: 1.58 W/kg 		Head: 0.87 W/kg
Body: 0.98 W/kg
Simultaneous Transmission: 1.59 W/kg

Buyers information

MSRP
$ 800 / € 899 $ 799 / € 899
In The Box
Earphone, Documentation, microUSB cable, USB Power Adapter, SIM Ejector, Protective Case, Protective Film (applied) USB-C cable, SIM ejector tool, Paperwork Phone, USB Type-C cable, SIM ejector tool, Papers

Availability

Officially announced
Jan 17, 2024 Aug 13, 2024

Alternative variants

With 256GB internal storage
Internal storage 256GB (UFS 4.0)
MSRP $ 860
With 256GB internal storage
Internal storage 256GB
MSRP $ 749
International
System chip Exynos 2400 (4 nm)
Processor Deca-core, 1x 3.2GHz Cortex-X4 + 2x 2.9GHz Cortex-A720 + 3x 2.6GHz Cortex-A720 + 4x 1.95GHz Cortex-A520
GPU Xclipse 940
International
5G Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n28, n30, n38, n40, n66, n71, n75, n77, n78, n79, SA, NSA, Sub-6
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 21(1500 Upper), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)
4G (TDD) Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 48(3600)
FCC OKs Cingular\'s purchase of AT&T Wireless