vivo X51 5G vs vivo X90 Pro+

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

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

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 66
5G network

5G band 1, 3, 7, 8, 28, 38, 41, 77, 78 SA/NSA

5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Status

2020-10

2022-12
Oficially announced

2020-09

2022-11

Design
Build

Glass front, glass back, aluminum frame

Faux leather, aluminium alloy
SIM

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

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

158.5 mm

164.4 mm
Width

72.8 mm

75.3 mm
Thickness

8 mm

9.7 mm
Weight

181.5 g

221 g
Waterproof

-

IP68 (up to 1.5m for 30 mins)
Dust proof

-

IP68
Colors

Gray

Black, Red

Display
Display type

AMOLED

LTPO4 AMOLED
Physical size

6.56 inches

6.78 inches
Resolution

1080 x 2376 pixels

1440 x 3200 pixels
Pixel density

398 ppi

517 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant

Scratch resistant, 3D curved glass screen
Display features

90Hz, HDR10+

120Hz, Dolby Vision, HDR10+, 1800 nits (peak)
DxOMark display score

87

-

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.4 GHz Kryo 475 Prime

Single-core 3.2 GHz Cortex-X3
CPU(second)

Single-core 2.2 GHz Kryo 475 Gold

dual-core 2.8 GHz Cortex-A715
CPU(third)

Hexa-core 1.8 GHz Kryo 475 Silver

Dual-core 2.8 GHz Cortex-A710
CPU(fourth)

Triple-core 2.0 GHz Cortex-A510
Chipset

Qualcomm SM7250 Snapdragon 765G

Qualcomm SM8550 Snapdragon 8 Gen 2
GPU

Adreno 620

Adreno 740
Memory RAM

8 GB

12 GB
Internal storage

256 GB

256, 512 GB
Memory card

No

No
Storage

UFS 2.1

UFS 4.0

OS
OS

Android 10, Funtouch 10.0

Android 13, Funtouch (global), Origin OS 3 (China)

Main camera
Camera type

Quad

Quad
Main camera

(wide) , 48 MP, f/1.6 , 1/1.2" , 0.8 µm

(wide) , 50.3 MP, f/1.8 , 1.6 µm, 23 mm, 100x digital zoom
(periscope telephoto) , 8 MP, f/3.4 , 135 mm, 1/4.0" , 5x optical zoom

(periscope telephoto) , 64 MP, f/3.5 , 90 mm, 1/2.0" , 3.5x optical zoom , 0.7 µm
(portrait) , 13 MP, f/2.5 , 50 mm, 1/2.8" , 0.8 µm, 2x optical zoom

(telephoto) , 50 MP, f/1.6 , 1/2.4" , 0.7 µm, 2x optical zoom
(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm, 1/4.0" , 1.12 µm

(telephoto) , 48 MP, f/2.2 , 14 mm, 1/2.0" , 0.8 µm
Primary camera resolution

8000 x 6000 pixels

8190 x 6120 pixels
Primary camera video

4K@30fps, 1080p@30fps, gyro-EIS

8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS, 14-bit RAW video
Primary camera optics

-

Zeiss optics
Primary camera flash

dual-LED dual-tone flash

dual-LED dual-tone 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, 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, phase detection autofocus, laser autofocus
DxOMark photo

117

-
DxOMark zoom

67

-
DxOMark video

102

-
DxOMark camera score

114

-

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 32 MP, f/2.5 , 26 mm, 1/2.8" , 0.8 µm

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

6528 x 4896 pixels

6528 x 4896 pixels
Selfie camera features

Face unlock

Face unlock
Selfie camera video

1080p@30fps

4K@30fps, 1080p@30fps
DxOMark photo

82

-
DxOMark video

78

-
DxOMark camera score

81

-

Sound
3.5mm jack

Yes

No
Loudspeaker

Yes

Yes, with stereo speakers
Earpiece

Yes

Yes

Multimedia
Radio

No

No

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 2.0

Type-C 3.2
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

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

Yes
QZSS

-

Yes

Features
Sensors

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

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

Browser
HTML

HTML5

HTML5

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4315 mAh

4700 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Vivo FlashCharge (57% in 30 min)

Yes, 80W (100% in 33 min)
Reverse charging

-

Yes
Fast wireless charging

-

Yes, 50W
Talk time 4G

-

16.2 h
DxOMark autonomy

45

-
DxOMark charging

80

-
DxOMark efficiency

68

-
DxOMark battery score

60

-