Bluboo D2 Pro vs Oppo K3

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900, CDMA 800
3G network

HSDPA 900, 2100

HSDPA 800, 850, 900, 1700/2100, 1900, 2100, TD-SCDMA 1880-1920, 2010-2025
4G network

LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 12(700), 17(700), 18(800), 19(800), 26(850), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE Cat 15, 798.0 Mbps download, 226.0 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, glass

Plastic
SIM

Dual SIM (Nano-SIM/Micro-SIM(microSD))

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

150 mm

161.2 mm
Width

70 mm

76 mm
Thickness

9 mm

9.4 mm
Weight

184 g

191 g
Colors

Black, Blue, Gold

Green, White, Purple

Display
Display type

IPS capacitive touchscreen

AMOLED capacitive touchscreen
Physical size

5.2 inches

6.5 inches
Resolution

720 x 1280 pixels

1080 x 2340 pixels
Pixel density

282 ppi

396 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 5
Multitouch

Yes

Yes

Main camera
Camera type

Dual

Dual
Main camera

8 MP

16 MP, f/1.7 , 1/2.5" , 1.12 µm
3 MP

2 MP, f/2.4
Primary camera resolution

3264 x 2448 pixels

4608 x 3456 pixels
Primary camera video

720p@30fps

2160@30fps, 1080@120fps, 720@240fps
Primary camera flash

dual-LED flash

dual LED flash
Camera features

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

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

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth EDR

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
Beidou

-

Yes