HTC Desire 12s vs Oppo A3

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1900, 2100; HSDPA 850, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500)

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500); LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42 Mbps

-
HSUPA speed

5.76 Mbps

-
HSPA speed

-

HSPA
LTE speed

LTE-A (2CA), Cat6, 300 Mbps download, 50 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Metal
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

154.2 mm

156 mm
Width

72.7 mm

75.3 mm
Thickness

8.3 mm

7.8 mm
Weight

150 g

159 g
Colors

Black, Red, Silver

Garnet Red, Knight Black, Soybean Meal, Stardust Silver

Display
Display type

IPS

LTPS IPS LCD capacitive touchscreen
Physical size

5.7 inches

6.2 inches
Resolution

720 x 1440 pixels

1080 x 2280 pixels
Pixel density

282 ppi

405 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen

2.5D curved glass screen; LTPS(Low Temperature PolySilicon)
Multitouch

Yes

Yes

Main camera
Main camera

13 MP, f/2.0

16 MP, f/1.8
Primary camera resolution

4160 x 3120 pixels

4608 x 3345 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

LED flash
Primary camera phase detection autofocus

phase detection autofocus

-
Camera features

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Geo-tagging, HDR, face detection, panorama, touch focus

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11b, 802.11g, 802.11n, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.2

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging Push Email

-

Push Email
Sensors

Accelerometer, compass, fingerprint, light, proximity

Accelerometer, compass, gyro, proximity