Category Breakdown
Oppo A77
Ulefone Power Armor 20WT
Performance
81.188.6
Camera
29.619.1
Display
75.858.9
Battery
33.739.2
Build
65.80.2
Connectivity
84.167.3
Audio
87.68.9
Overall
59.044.2
Summary
- The Oppo A77 features a lightweight build with a glass front and plastic frame, while the Ulefone Power Armor 20WT is significantly heavier and bulkier, designed for rugged use.
- The A77 has a larger 6.56-inch display with a 90Hz refresh rate, compared to the 5.65-inch display of the Power Armor 20WT, which offers a higher resolution but at a lower refresh rate of 60Hz.
- In terms of performance, the A77 is powered by the Mediatek Dimensity 810, whereas the Power Armor 20WT uses the Helio G99, with the latter offering more RAM and storage options.
- The camera on the A77 includes a 48 MP rear sensor, while the Power Armor 20WT has a 50 MP rear camera, but the A77 has a higher resolution selfie camera at 8 MP compared to the 16 MP on the Ulefone.
- Battery capacity is a significant difference, with the Power Armor 20WT boasting a 10,850 mAh battery, far exceeding the A77's 5,000 mAh, although both support 33W charging.
- Both devices run Android 12, but the A77 is upgradable to Android 14 and features stereo speakers and a headphone jack, while the Power Armor lacks these features.
Side-by-side Specification Comparison
Oppo A77
Ulefone Power Armor 20WT
General
Release Date
2022, June 01
2023, March 08
Announced
2022, June 01
2023, March 08
Description
Not to be confused with Oppo A77 4G forIndia
N/A
Display
Size
6.56"
5.65"
Type
IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)
IPS LCD
Resolution
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
1080 x 2160 pixels, 18:9 ratio (~427 ppi density)
PPI
720
1080
Refresh Rate
90Hz
60Hz
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass 5
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
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
256GB 12GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (dedicated slot)
Camera
Main Camera
48 MP, f/1.7, 26mm (wide), PDAF2 MP, f/2.4, (depth)
50 MP, f/2.2, (wide), 1.0µm, PDAF
Main Camera Features
LED flash, HDR, panorama
Dual-LED flash, HDR, panorama
Front Camera
8 MP, f/2.0, 26mm (wide)
16 MP, f/2.2, (wide), 1.0µm
Front Camera Features
Panorama
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5000 mAh
10850 mAh
Battery Details
Li-Po 5000 mAh
Li-Po 10850 mAh
Charging Details
33W wired, 53% in 30 min
33W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in)
164.8 x 79.2 x 18.1 mm (6.49 x 3.12 x 0.71 in)
Weight
190 g
382 g
Materials
Glass front, plastic frame, plastic back
N/A
Colors
Ocean Blue, Midnight Black
Black
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE
Network Speed
HSPA, LTE, 5G
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/6, dual-band
Bluetooth
5.3, A2DP, LE, aptX HD
5.2, A2DP, LE
NFC
✓
✓
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS, GLONASS, BDS, GALILEO, QZSS
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
Yes
No
Software & Security
Operating System
Android 12, upgradable to Android 14, ColorOS 14
Android 12
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass, gyro, barometer

