BLU F91
#1816
Energizer Hard Case P28K
#2563Category Breakdown
BLU F91
Energizer Hard Case P28K
Performance
86.388.6
Camera
38.138.1
Display
58.958.9
Battery
94.339.4
Build
0.20.2
Connectivity
77.060.5
Audio
8.98.9
Overall
54.547.9
Summary
- The BLU F91 features a lightweight build at 209g with a 6.8-inch IPS LCD display, while the Energizer Hard Case P28K is significantly heavier at 570g and has a slightly larger 6.78-inch display, both offering a resolution of 1080 x 2460 pixels.
- In terms of performance, the F91 is powered by the Mediatek Dimensity 810 chipset, whereas the P28K utilizes the Mediatek Helio G99, with the latter having more RAM at 256GB.
- Camera capabilities differ as well, with the F91 sporting a 48 MP rear camera compared to the P28K's 64 MP, although both can record in 4K.
- The F91 has a 5000mAh battery with wireless charging, while the P28K boasts an impressive 28000mAh capacity but lacks wireless charging.
- Software-wise, the F91 runs on Android 11, while the P28K comes with the more recent Android 14, and the latter does not include a headphone jack.
Side-by-side Specification Comparison
BLU F91
Energizer Hard Case P28K
General
Release Date
2022, April 20
2024, February 25
Announced
2022, April 20
2024, February 25
Description
N/A
N/A
Display
Size
6.8"
6.78"
Type
IPS LCD
IPS LCD
Resolution
1080 x 2460 pixels (~395 ppi density)
1080 x 2460 pixels (~396 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek Dimensity 810 (6 nm)
Mediatek Helio G99 (6 nm)
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2
Mali-G57 MC2
Memory
128GB 8GB RAM
256GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (uses shared SIM slot)
Camera
Main Camera
48 MP, f/1.8, (wide) 1/2.0", 0.8µm, PDAF5 MP, f/2.2, 115˚ (ultrawide)2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
64 MP, (wide), PDAF20 MP2 MP
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
16 MP, f/2.0
16 MP, (wide)
Front Camera Features
N/A
N/A
Video Recording
4K@30fps, 1080p@30fps
4K@30fps, 1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5000 mAh
28000 mAh
Battery Details
Li-Po 5000 mAh
28000 mAh
Charging Details
18W wired10W wirelessReverse wired
33W wired
Fast Charging
✗
✗
Wireless Charging
✓
✗
Build & Safety
Dimensions
168.7 x 76.8 x 8.9 mm (6.64 x 3.02 x 0.35 in)
178.1 x 84 x 27.8 mm (7.01 x 3.31 x 1.09 in)
Weight
209 g
570 g
Materials
N/A
N/A
Colors
Blue
Black
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE
Network Speed
HSPA, LTE, 5G
HSPA, LTE
5G
✓
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n/ac, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.1, A2DP, LE
5.2, A2DP, LE
NFC
✓
✓
USB
USB Type-C 2.0, OTG
USB Type-C 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS
GPS, GALILEO, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No
Software & Security
Operating System
Android 11
Android 14
Fingerprint
✓
✗
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Accelerometer, gyro, proximity, compass