Category Breakdown
Energizer Ultimate U620S Pop
vivo Z3i
Performance
80.678.1
Camera
19.128.4
Display
58.958.9
Battery
25.726.2
Build
0.20.2
Connectivity
50.955.9
Audio
8.98.9
Overall
36.236.8
Summary
- The Energizer Ultimate U620S Pop features a 6.2-inch IPS LCD display with a resolution of 1080 x 2280 pixels, while the vivo Z3i has a slightly larger 6.3-inch IPS LCD with the same resolution, resulting in comparable pixel densities.
- In terms of performance, the U620S Pop is powered by the Mediatek Helio P70 chipset, which offers a slight edge over the Helio P60 in the Z3i.
- Camera-wise, the U620S Pop has a 12 MP rear camera compared to the Z3i's 16 MP, but the Z3i excels with a 24 MP selfie camera versus the U620S Pop's 0 MP.
- Both devices have similar battery capacities, with the U620S Pop at 3200 mAh and the Z3i at 3315 mAh, and both support 18W charging.
- The U620S Pop runs on Android 9.0, while the Z3i operates on Android 8.1, providing a more updated software experience for the former.
Side-by-side Specification Comparison
Energizer Ultimate U620S Pop
vivo Z3i
General
Release Date
2019
2018
Announced
2019
2018
Description
N/A
For China
Display
Size
6.2"
6.3"
Type
IPS LCD
IPS LCD
Resolution
1080 x 2280 pixels, 19:9 ratio (~407 ppi density)
1080 x 2280 pixels, 19:9 ratio (~400 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6771 Helio P70 (12 nm)
Mediatek MT6771 Helio P60 (12 nm)
CPU
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
Mali-G72 MP3
Mali-G72 MP3
Memory
128GB 6GB RAM
128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDXC (dedicated slot)
Camera
Main Camera
12 MP, PDAF5 MP2 MP, (depth)
16 MP, f/2.0, PDAF2 MP, f/2.4, (depth)
Main Camera Features
Dual-LED dual-tone flash, panorama, HDR
LED flash, HDR, panorama
Front Camera
N/A
24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm
Front Camera Features
N/A
HDR
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3200 mAh
3315 mAh
Battery Details
Li-Ion 3200 mAh, non-removable
3315 mAh, non-removable
Charging Details
18W wired
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
153.2 x 74.9 x 10.3 mm (6.03 x 2.95 x 0.41 in)
156 x 75.6 x 8.1 mm (6.14 x 2.98 x 0.32 in)
Weight
N/A
164 g
Materials
N/A
N/A
Colors
Black, Red, Green
Aurora blue, Millenium Pink
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
4.2, A2DP, EDR, LE, aptX
NFC
✗
✗
USB
USB Type-C 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✗
✓
Radio
✗
✗
Positioning
GPS, GLONASS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
Yes
Software & Security
Operating System
Android 9.0 (Pie)
Android 8.1 (Oreo)
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

