Home/Oppo/Oppo R7s vs vivo X21i
Oppo R7s

Oppo R7s

#3614
vivo X21i

vivo X21i

#3311

Category Breakdown

Oppo R7s
vivo X21i
Performance
60.362.5
Camera
42.442.4
Display
79.579.5
Battery
43.543.5
Build
70.870.8
Overall
58.258.8

Summary

  • The Oppo R7s features a 5.5-inch AMOLED display with a resolution of 1080 x 1920 pixels, while the vivo X21i has a larger 6.28-inch Super AMOLED display with a higher resolution of 1080 x 2280 pixels.
  • In terms of performance, the R7s is powered by a Snapdragon 615 chipset, whereas the X21i utilizes a more advanced Helio P60 chipset, offering better processing capabilities.
  • The camera setup on the R7s includes a 13 MP rear camera and an 8 MP front camera, while the X21i has a dual rear camera system with a 12 MP main sensor and a 5 MP depth sensor, along with a 24 MP front camera for improved selfies.
  • The R7s has a 3070 mAh battery with 20W charging, compared to the X21i's 3425 mAh battery with 18W charging.
  • Software-wise, the R7s runs on Android 5.1 with ColorOS 2.1, while the X21i operates on Android 8.1 with Funtouch 4, providing a more updated software experience.

Side-by-side Specification Comparison

Oppo R7s
vivo X21i

General

Release Date

2015
2018

Announced

2015
2018

Description

N/A
N/A

Display

Size

5.5"
6.28"

Type

AMOLED
Super AMOLED

Resolution

1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
1080 x 2280 pixels, 19:9 ratio (~402 ppi density)

PPI

1080
1080

Refresh Rate

60Hz
60Hz

Peak Brightness

N/A
N/A

HDR Support

Protection

Corning Gorilla Glass 3
N/A

Performance

Chipset

Qualcomm MSM8939 Snapdragon 615 (28 nm)
Mediatek MT6771 Helio P60 (12 nm)

CPU

Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)

GPU

Adreno 405
Mali-G72 MP3

Memory

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

Expandable Storage

Card Slot

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

Camera

Main Camera

13 MP
12 MP

Main Camera Details

13 MP, f/2.2, PDAF
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF5 MP, f/2.4, (depth)

Front Camera

8 MP
24 MP

Front Camera Details

8 MP, f/2.4
24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm

Video Recording

1080p@30fps
1080p@30fps

Selfie Video

N/A
N/A

OIS

Night Mode

RAW Support

Battery

Capacity

3070 mAh
3425 mAh

Battery Details

Li-Po 3070 mAh, non-removable
Li-Ion 3425 mAh, non-removable

Charging Details

20W wired, 75% in 30 min
18W wired

Fast Charging

Wireless Charging

Build & Design

Dimensions

151.8 x 75.4 x 7 mm (5.98 x 2.97 x 0.28 in)
154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)

Weight

155 g
159 g

Materials

N/A
N/A

Water Resistance

N/A
N/A

Colors

Golden
Black, Aurora White, Ruby Red, Night Purple

Foldable

Connectivity

SIM

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

Network

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

Network Speed

HSPA, LTE Cat4 150/50 Mbps
HSPA, LTE

5G

4G

WiFi

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

Bluetooth

4.0, A2DP
5.0, A2DP, LE

NFC

USB

microUSB 2.0, OTG
microUSB 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS
GPS, GLONASS

Software

Operating System

Android 5.1 (Lollipop), ColorOS 2.1
Android 8.1 (Oreo), Funtouch 4

OS Version

Android 5.1 (Lollipop), ColorOS 2.1
Android 8.1 (Oreo), Funtouch 4

Security

Fingerprint

Face Unlock

Sensors

Accelerometer, proximity, compass
Fingerprint (rear-mounted), accelerometer, proximity, compass

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes