Category Breakdown
Energizer Ultimate U710S
Lenovo K8
Performance
64.468.7
Camera
19.127.9
Display
58.956.5
Battery
37.728.1
Build
0.20.2
Connectivity
49.745.6
Audio
87.68.9
Overall
40.533.4
Summary
- The Energizer Ultimate U710S features a larger 7.12-inch IPS LCD display with a higher resolution of 1080 x 2244 pixels, compared to the Lenovo K8's 5.2-inch display at 720 x 1280 pixels, resulting in better pixel density and clarity.
- In terms of performance, the U710S is powered by a Mediatek Helio P23 chipset, while the K8 uses the Helio P20, with the U710S offering slightly lower clock speeds but similar RAM and storage configurations.
- Both phones have a 13 MP rear camera, but the K8 has a higher resolution 8 MP selfie camera versus the U710S's 5 MP.
- The U710S boasts a significantly larger 6000 mAh battery compared to the K8's 4000 mAh, providing longer usage time.
- Software-wise, the U710S runs on Android 9.0, while the K8 starts with Android 7.1.1, upgradable to 8.0, indicating a more updated software experience for the U710S.
- Build quality favors the K8 with a more compact and lighter design, while the U710S is bulkier and heavier.
Side-by-side Specification Comparison
Energizer Ultimate U710S
Lenovo K8
General
Release Date
2020, February 17
2017
Announced
2020, February 17
2017
Description
N/A
N/A
Display
Size
7.12"
5.2"
Type
IPS LCD
IPS LCD
Resolution
1080 x 2244 pixels, 18.7:9 ratio (~350 ppi density)
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
PPI
1080
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
AGC glass
N/A
Performance
Chipset
Mediatek MT6763 Helio P23 (16 nm)
Mediatek MT6757 Helio P20 (16 nm)
CPU
Octa-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)
Octa-core (4x2.35 GHz Cortex-A53 & 4x1.65 GHz Cortex-A53)
GPU
Mali-G71 MP2
Mali-T880MP2
Memory
32GB 3GB RAM
32GB 3GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (dedicated slot)
Camera
Main Camera
13 MP, PDAFVGA
13 MP, PDAF
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
5 MP
8 MP
Front Camera Features
N/A
LED
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
6000 mAh
4000 mAh
Battery Details
Li-Po 6000 mAh
Li-Po 4000 mAh, non-removable
Charging Details
10W wired
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
180.3 x 86.8 x 9.2 mm (7.10 x 3.42 x 0.36 in)
147.9 x 73.7 x 8.6 mm (5.82 x 2.90 x 0.34 in)
Weight
N/A
165 g
Materials
N/A
N/A
Colors
Gray
Black, White/Gold
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
4.2, A2DP, LE
4.2, A2DP, LE
NFC
✗
✗
USB
USB Type-C 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS
GPS
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 9.0 (Pie)
Android 7.1.1 (Nougat), upgradable to Android 8.0 (Oreo)
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

