Asus Zenfone Selfie ZD551KL
#3951
Realme 1
#4030Category Breakdown
Asus Zenfone Selfie ZD551KL
Realme 1
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 Asus Zenfone Selfie ZD551KL features a 5.5-inch IPS LCD display with a resolution of 1080 x 1920 pixels, while the Realme 1 has a slightly larger 6.0-inch IPS LCD with a resolution of 1080 x 2160 pixels, providing a more modern aspect ratio.
- In terms of performance, the Zenfone is powered by a Snapdragon 615 chipset, whereas the Realme 1 utilizes the more efficient Helio P60, offering better processing capabilities.
- Both phones have a 13 MP rear camera, but the Realme 1's camera benefits from phase detection autofocus, while the Zenfone's selfie camera is also 13 MP, making it suitable for self-portraits.
- The Realme 1 has a slightly larger battery capacity at 3410 mAh compared to the Zenfone's 3000 mAh, which may offer better longevity.
- In software, the Zenfone runs on an older Android version (5.0) with ZenUI, while the Realme 1 operates on Android 8.1 with ColorOS 6, providing a more updated user experience.
- Build quality-wise, the Zenfone is heavier at 170g and has Gorilla Glass 4, while the lighter Realme 1 (155g) features Gorilla Glass 3.
Side-by-side Specification Comparison
Asus Zenfone Selfie ZD551KL
Realme 1
General
Release Date
2015
2018
Announced
2015
2018
Description
N/A
Versions: CPH1861, CPH1859
Display
Size
5.5"
6"
Type
IPS LCD
IPS LCD
Resolution
1080 x 1920 pixels, 16:9 ratio (~403 ppi density)
1080 x 2160 pixels, 18:9 ratio (~402 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Corning Gorilla Glass 4, oleophobic coating
Corning Gorilla Glass 3
Performance
Chipset
Qualcomm MSM8939 Snapdragon 615 (28 nm)
Mediatek MT6771 Helio P60 (12 nm)
CPU
Octa-core (4x1.7 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
16GB 2GB RAM, 32GB 3GB RAM
32GB 3GB RAM, 64GB 4GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP, f/2.0, 28mm (wide), 1/3.0"
13 MP, f/2.2, PDAF
Front Camera
13 MP
8 MP
Front Camera Details
13 MP, f/2.2, 1/3.1", 1.12µm, AF
8 MP, f/2.2
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
3000 mAh
3410 mAh
Battery Details
Li-Po 3000 mAh, removable
Li-Ion 3410 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
156.5 x 77.2 x 10.8 mm (6.16 x 3.04 x 0.43 in)
156.5 x 75.2 x 7.8 mm (6.16 x 2.96 x 0.31 in)
Weight
170 g
155 g
Materials
Glass front (Gorilla Glass 4), plastic back, plastic frame
Glass front (Gorilla Glass 3), plastic back, plastic frame
Water Resistance
N/A
N/A
Colors
Pure White, Chic Pink, Aqua Blue
Diamond Black, Solar Red, Moonlight Silver
Foldable
✗
✗
Connectivity
SIM
Dual SIM (Micro-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/100 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
4.0, A2DP, EDR
4.2, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS
Software
Operating System
Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow), ZenUI
Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), ColorOS 6
OS Version
Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow), ZenUI
Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), ColorOS 6
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity, compass
Accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes