Category Breakdown
Oppo A15s
Xiaomi Mi 4i
Performance
62.560.3
Camera
42.442.4
Display
70.570.5
Battery
43.543.5
Build
79.879.8
Overall
58.057.3
Summary
- The Oppo A15s features a larger 6.52-inch IPS LCD display with a resolution of 720 x 1600 pixels, while the Xiaomi Mi 4i has a 5.0-inch IPS LCD with a higher resolution of 1080 x 1920 pixels, resulting in better pixel density.
- In terms of performance, the A15s is powered by the MediaTek Helio P35 chipset, offering decent multitasking capabilities with up to 4GB of RAM, whereas the Mi 4i utilizes the Snapdragon 615 with 2GB of RAM, which may limit performance.
- Both phones have a 13 MP rear camera, but the Mi 4i offers autofocus compared to the A15s's fixed-focus secondary cameras.
- The A15s has a larger 4230 mAh battery compared to the Mi 4i's 3120 mAh, providing longer usage time.
- In terms of software, the A15s runs on Android 10 with ColorOS 7.2, while the Mi 4i operates on an older Android 5.0.2 with MIUI 8.2, which may affect user experience and app compatibility.
- Build quality is comparable, with the A15s being slightly heavier and larger, while the Mi 4i benefits from Gorilla Glass on the front.
Side-by-side Specification Comparison
Oppo A15s
Xiaomi Mi 4i
General
Release Date
2020, December 18
2015
Announced
2020, December 18
2015
Description
N/A
N/A
Display
Size
6.52"
5"
Type
IPS LCD, 480 nits (typ)
IPS LCD
Resolution
720 x 1600 pixels, 20:9 ratio (~269 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
N/A
Corning scratch-resistant glass
Performance
Chipset
Mediatek MT6765 Helio P35 (12 nm)
Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU
Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
PowerVR GE8320
Adreno 405
Memory
64GB 4GB RAM, 128GB 4GB RAM
16GB 2GB RAM, 32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
No
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP, f/2.2, (wide), 1/3.1", 1.12µm, PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
13 MP, f/2.0, AF
Front Camera
8 MP
5 MP
Front Camera Details
8 MP, f/2.0, (wide)
5 MP, f/1.8
Video Recording
1080p@30fps
1080p@30fps, 480p@120fps
Selfie Video
1080p@30fps
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
4230 mAh
3120 mAh
Battery Details
Li-Po 4230 mAh
Li-Ion 3120 mAh, non-removable
Charging Details
10W wired
10W wired, QC1
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
164 x 75.4 x 7.9 mm (6.46 x 2.97 x 0.31 in)
138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in)
Weight
177 g
130 g
Materials
Glass front, plastic back, plastic frame
Glass front (Gorilla Glass), plastic back, plastic frame
Water Resistance
N/A
N/A
Colors
Dynamic Black, Fancy White
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, 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
5.0, A2DP, LE, aptX
4.1, A2DP
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, BDS
Software
Operating System
Android 10, ColorOS 7.2
Android 5.0.2 (Lollipop), MIUI 8.2
OS Version
Android 10, ColorOS 7.2
Android 5.0.2 (Lollipop), MIUI 8.2
Security
Fingerprint
✓
✗
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

