Category Breakdown
Oppo A71 (2018)
Xiaomi Mi 4i
Performance
58.457.3
Camera
19.135.1
Display
56.558.9
Battery
24.225.5
Build
77.888.9
Connectivity
46.853.6
Audio
8.98.9
Overall
37.338.7
Summary
- The Oppo A71 (2018) features a 5.2-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the Xiaomi Mi 4i has a slightly smaller 5.0-inch IPS LCD with a higher resolution of 1080 x 1920 pixels, resulting in a significantly sharper display.
- In terms of performance, the A71 is powered by the Snapdragon 450 chipset, which is more power-efficient compared to the Snapdragon 615 in the Mi 4i, although both have 16GB of storage and similar RAM options.
- Both phones have a 13 MP rear camera, but the Mi 4i offers a slightly better aperture of f/2.0, which may enhance low-light performance.
- The A71 has a 3000 mAh battery, while the Mi 4i has a marginally larger 3120 mAh battery and supports faster 10W charging.
- For software, the A71 runs on Android 7.1 with ColorOS 3.2, whereas the Mi 4i operates on an older Android 5.0.2 with MIUI 8.2, which may affect the overall user experience.
- In terms of build quality, the A71 has a glass front and aluminum back, making it feel more premium compared to the Mi 4i's plastic back and frame.
Side-by-side Specification Comparison
Oppo A71 (2018)
Xiaomi Mi 4i
General
Release Date
2018
2015
Announced
2018
2015
Description
N/A
N/A
Display
Size
5.2"
5"
Type
IPS LCD
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
Corning scratch-resistant glass
Performance
Chipset
Qualcomm SDM450 Snapdragon 450 (14 nm)
Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU
Octa-core 1.8 GHz Cortex-A53
Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
Adreno 506
Adreno 405
Memory
16GB 2GB RAM, 16GB 3GB RAM
16GB 2GB RAM, 32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
No
Camera
Main Camera
13 MP, f/2.2, 1/3.1", 1.12µm, PDAF
13 MP, f/2.0, AF
Main Camera Features
LED flash, HDR, panorama
Dual-LED dual-tone flash, panorama, HDR
Front Camera
5 MP, f/2.4, 1/4.0", 1.4µm
5 MP, f/1.8
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps, 480p@120fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3000 mAh
3120 mAh
Battery Details
Li-Ion 3000 mAh, non-removable
Li-Ion 3120 mAh, non-removable
Charging Details
N/A
10W wired, QC1
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
148.1 x 73.8 x 7.6 mm (5.83 x 2.91 x 0.30 in)
138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in)
Weight
137 g
130 g
Materials
Glass front, aluminum back, aluminum frame
Glass front (Gorilla Glass), plastic back, plastic frame
Colors
Gold, Black, Rose Gold
Dark Gray, Black, White, Yellow, Blue, Pink
Foldable
✗
✗
SAR
N/A
0.51 W/kg (head) 0.60 W/kg (body)
Connectivity
SIM
Nano-SIM + Nano-SIM
Dual SIM (Micro-SIM, dual stand-by)
Network
GSM / UMTS / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
4.2, A2DP, LE
4.1, A2DP
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 7.1 (Nougat), , ColorOS 3.2
Android 5.0.2 (Lollipop), MIUI 8.2
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Accelerometer, gyro, proximity, compass

