Home/Nokia/Nokia 6.1 Plus (Nokia X6) vs vivo X21 UD
Nokia 6.1 Plus (Nokia X6)

Nokia 6.1 Plus (Nokia X6)

#2925
vivo X21 UD

vivo X21 UD

#2702

Category Breakdown

Nokia 6.1 Plus (Nokia X6)
vivo X21 UD
Performance
66.979.6
Camera
53.019.1
Display
58.982.8
Battery
25.225.7
Build
76.476.2
Connectivity
56.759.3
Audio
8.98.9
Overall
45.146.8

Summary

  • The Nokia 6.1 Plus features a compact build with Gorilla Glass on both front and back, while the vivo X21 UD offers a slightly larger size with a similar glass front but an aluminum back.
  • Display-wise, the Nokia has a 5.8-inch IPS LCD with a resolution of 1080 x 2280 pixels, whereas the vivo sports a 6.28-inch Super AMOLED display with the same resolution, providing richer colors.
  • In terms of performance, the Nokia is powered by a Snapdragon 636 chipset, while the vivo uses a Snapdragon 660, with the latter having more RAM and storage options.
  • Camera specifications show the Nokia with a 16 MP rear camera capable of 4K video, compared to the vivo's 12 MP rear camera limited to 1080p.
  • Both devices have similar battery capacities, with the vivo slightly ahead at 3200 mAh, and both run Android 8.1, although the Nokia is part of the Android One program, ensuring a more streamlined software experience.

Side-by-side Specification Comparison

Nokia 6.1 Plus (Nokia X6)
vivo X21 UD

General

Release Date

2018, August 21
2018

Announced

2018, July 23
2018

Description

Versions: Nokia 6.1 Plus (Global); Nokia X6 (China)
N/A

Display

Size

5.8"
6.28"

Type

IPS LCD
Super AMOLED

Resolution

1080 x 2280 pixels, 19:9 ratio (~432 ppi density)
1080 x 2280 pixels, 19:9 ratio (~402 ppi density)

PPI

1080
1080

Refresh Rate

60Hz
60Hz

HDR Support

Protection

Corning Gorilla Glass 3
Corning Gorilla Glass 3

Performance

Chipset

Qualcomm SDM636 Snapdragon 636 (14 nm)
Qualcomm SDM660 Snapdragon 660 (14 nm)

CPU

Octa-core (4x1.8 GHz Kryo 260 Gold & 4x1.6 GHz Kryo 260 Silver)
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)

GPU

Adreno 509
Adreno 512

Memory

32GB 4GB RAM, 64GB 4GB RAM, 64GB 6GB RAM
128GB 6GB RAM

Expandable Storage

Card Slot

microSDXC (uses shared SIM slot)
microSDXC (uses shared SIM slot)

Camera

Main Camera

16 MP, f/2.0, 1.0µm, PDAF5 MP, f/2.4, (depth)
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF5 MP, f/2.4, (depth)

Main Camera Features

Dual-LED dual-tone flash, panorama, HDR
LED flash, HDR, panorama

Front Camera

16 MP, f/2.0, 1/3.06", 1.0µm
12 MP, f/2.0, (wide), 1/2.8", 1.28µm

Front Camera Features

N/A
N/A

Video Recording

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

Selfie Video

1080p@30fps
1080p@30fps

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

3060 mAh
3200 mAh

Battery Details

Li-Ion 3060 mAh, non-removable
Li-Ion 3200 mAh, non-removable

Charging Details

18W wired, QC3
18W wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

147.2 x 71 x 8 mm (5.80 x 2.80 x 0.31 in)
154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in)

Weight

151 g
156.2 g

Materials

Glass front (Gorilla Glass 3), glass back (Gorilla Glass 3), aluminum frame
Glass front (Gorilla Glass 3), aluminum back, aluminum frame

Colors

Black, Blue, White
Black, Ruby Red

Foldable

SAR

N/A
N/A

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE
GSM / CDMA / HSPA / LTE

Network Speed

HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps

5G

4G

WiFi

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth

5.0, A2DP, LE
5.0, A2DP, LE

NFC

USB

USB Type-C 2.0, OTG
microUSB 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS, GLONASS, BDS
GPS, GLONASS

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes

Software & Security

Operating System

Android 8.1 (Oreo), upgradable to Android 10, Android One
Android 8.1 (Oreo), Funtouch 4

Fingerprint

Face Unlock

Sensors

Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, proximity, compass