HTC Desire 820s dual sim
#4670
Oppo A77 (Mediatek)
#4181Category Breakdown
HTC Desire 820s dual sim
Oppo A77 (Mediatek)
Performance
60.362.5
Camera
42.442.4
Display
70.570.5
Battery
43.543.5
Build
70.870.8
Overall
56.457.0
Summary
- The HTC Desire 820s dual sim features a 5.5-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the Oppo A77 offers a higher resolution of 1080 x 1920 pixels on the same-sized display, resulting in better pixel density.
- In terms of performance, the Desire 820s is powered by a Mediatek MT6752 chipset with 2GB of RAM, whereas the A77 uses the MT6750T with 4GB of RAM, providing smoother multitasking.
- Both phones have a 13 MP rear camera capable of 1080p video recording, but the A77 has a superior 16 MP front camera.
- The A77 also has a larger 3200 mAh battery compared to the 2600 mAh battery in the Desire 820s, which may offer longer usage times.
- Software-wise, the Desire runs on Android 4.4.4 with Sense UI 6, while the A77 operates on Android 6 with ColorOS 3, providing a more updated user experience.
Side-by-side Specification Comparison
HTC Desire 820s dual sim
Oppo A77 (Mediatek)
General
Release Date
2015
2017
Announced
2015
2017
Description
N/A
N/A
Display
Size
5.5"
5.5"
Type
IPS LCD,
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6752 (28 nm)
Mediatek MT6750T (28 nm)
CPU
Octa-core 1.7 GHz Cortex-A53
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
Mali-T760MP2
Mali-T860MP2
Memory
16GB 2GB RAM
64GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP, AF
13 MP, f/2.2, PDAF
Front Camera
8 MP
16 MP
Front Camera Details
8 MP
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
2600 mAh
3200 mAh
Battery Details
Li-Po 2600 mAh, non-removable
Li-Ion 3200 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
157.7 x 78.7 x 7.7 mm (6.21 x 3.10 x 0.30 in)
153.3 x 75.2 x 7.3 mm (6.04 x 2.96 x 0.29 in)
Weight
155 g
153 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Marble White, Milkyway Gray, Monarch Orange, Santorini White, Tuxedo Gray
Gold, Rose Gold, Black
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, hotspot
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Bluetooth
4.0, A2DP
4.0, A2DP
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS
GPS
Software
Operating System
Android 4.4.4 (KitKat), Sense UI 6
Android 6 (Marshmallow), ColorOS 3
OS Version
Android 4.4.4 (KitKat), Sense UI 6
Android 6 (Marshmallow), ColorOS 3
Security
Fingerprint
✗
✓
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Fingerprint (front-mounted), accelerometer, proximity, compass
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
Yes
Yes