Blackview Mega 8
#2609
Energizer Hardcase H621S
#3230Category Breakdown
Blackview Mega 8
Energizer Hardcase H621S
Performance
67.062.5
Camera
44.344.1
Display
70.570.5
Battery
58.558.5
Build
63.863.8
Overall
60.459.0
Summary
- The Blackview Mega 8 features a larger 13.0-inch IPS LCD display with a resolution of 1200 x 1920 pixels, compared to the Energizer Hardcase H621S's 6.2-inch display at 720 x 1520 pixels, resulting in lower pixel density.
- In terms of performance, the Mega 8 is powered by a more advanced Unisoc T620 chipset with 12GB of RAM, while the H621S uses the Mediatek MT6762 Helio P22 with 4GB of RAM.
- The Mega 8 has a superior rear camera at 50 MP versus the H621S's 48 MP, although both support 1080p video recording.
- Battery capacity is significantly higher in the Mega 8 at 11,000 mAh compared to the H621S's 5,000 mAh, allowing for longer usage.
- The Mega 8 runs on Android 15 with DokeOS_P 4.1, while the H621S operates on Android 11, offering a more updated software experience.
Side-by-side Specification Comparison
Blackview Mega 8
Energizer Hardcase H621S
General
Release Date
2025
2021
Announced
2025
2021
Description
N/A
N/A
Display
Size
13"
6.2"
Type
IPS LCD
IPS LCD
Resolution
1200 x 1920 pixels, 16:10 ratio (~174 ppi density)
720 x 1520 pixels, 19:9 ratio (~271 ppi density)
PPI
1200
720
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Unisoc T620 (12 nm)
Mediatek MT6762 Helio P22 (12 nm)
CPU
Octa-core (2x2.2 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Octa-core 2.0 GHz Cortex-A53
GPU
Mali-G57
PowerVR GE8320
Memory
256GB 12GB RAM, 512GB 12GB RAM
64GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDHC (uses shared SIM slot)
Camera
Main Camera
50 MP
48 MP
Main Camera Details
50 MP
48 MP, PDAF
Front Camera
13 MP
8 MP
Front Camera Details
13 MP
8 MP
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
11000 mAh
5000 mAh
Battery Details
Li-Ion 11000 mAh
Li-Po 5000 mAh
Charging Details
18W wired
15W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
302 x 197.5 x 7.9 mm (11.89 x 7.78 x 0.31 in)
163 x 78.2 x 12 mm (6.42 x 3.08 x 0.47 in)
Weight
736 g
241 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Space Grey, Twilight Blue, Lagoon Green
Black
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✗
✓
USB
USB Type-C, OTG
USB Type-C 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS
Software
Operating System
Android 15, DokeOS_P 4.1
Android 11
OS Version
Android 15, DokeOS_P 4.1
Android 11
Security
Fingerprint
✗
✓
Face Unlock
✗
✗
Sensors
Accelerometer, proximity (accessories only)
Fingerprint (rear-mounted), accelerometer, proximity
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers (4 speakers)
Yes
Audio Jack
Yes
No