Oppo A39
#4023
Xiaomi Mi 4i
#4040Category Breakdown
Oppo A39
Xiaomi Mi 4i
Performance
60.360.3
Camera
42.442.4
Display
70.570.5
Battery
43.543.5
Build
79.879.8
Overall
57.357.3
Summary
- The Oppo A39 features a 5.2-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the Xiaomi Mi 4i has a smaller 5.0-inch IPS LCD display with a higher resolution of 1080 x 1920 pixels, resulting in a significantly sharper image.
- In terms of performance, the A39 is powered by a Mediatek MT6750 chipset, whereas the Mi 4i utilizes a Qualcomm Snapdragon 615, offering slightly better CPU performance.
- Both phones have a 13 MP rear camera, but the Mi 4i's f/2.0 aperture may provide better low-light performance compared to the A39's f/2.2.
- The Mi 4i also has a larger 3120 mAh battery compared to the A39's 2900 mAh, and it supports faster charging at 10W.
- In terms of software, the A39 runs on Android 5.1 with ColorOS 3, while the Mi 4i operates on Android 5.0.2 with MIUI 8.2, both providing distinct user experiences.
- Build quality favors the A39 with its aluminum frame and Gorilla Glass 4, while the Mi 4i uses a plastic frame.
Side-by-side Specification Comparison
Oppo A39
Xiaomi Mi 4i
General
Release Date
2017
2015
Announced
2017
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
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Corning Gorilla Glass 4
Corning scratch-resistant glass
Performance
Chipset
Mediatek MT6750 (28 nm)
Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
Mali-T860MP2
Adreno 405
Memory
32GB 3GB RAM
16GB 2GB RAM, 32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
No
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP, f/2.2, 1/3.0", AF
13 MP, f/2.0, AF
Front Camera
5 MP
5 MP
Front Camera Details
5 MP, f/2.4, 1/4.0", 1.4µm
5 MP, f/1.8
Video Recording
1080p@30fps
1080p@30fps, 480p@120fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
2900 mAh
3120 mAh
Battery Details
Li-Ion 2900 mAh, non-removable
Li-Ion 3120 mAh, non-removable
Charging Details
N/A
10W wired, QC1
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
149.1 x 72.9 x 7.7 mm (5.87 x 2.87 x 0.30 in)
138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in)
Weight
147 g
130 g
Materials
Glass front (Gorilla Glass 4), aluminum/plastic back, aluminum frame
Glass front (Gorilla Glass), plastic back, plastic frame
Water Resistance
N/A
N/A
Colors
Gold, Rose Gold
Dark Gray, Black, White, Yellow, Blue, Pink
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Dual SIM (Micro-SIM, dual stand-by)
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
4.0, A2DP
4.1, A2DP
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS, BDS
Software
Operating System
Android 5.1 (Lollipop), ColorOS 3
Android 5.0.2 (Lollipop), MIUI 8.2
OS Version
Android 5.1 (Lollipop), ColorOS 3
Android 5.0.2 (Lollipop), MIUI 8.2
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes