BLU Grand Energy vs Oppo K3

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700(AWS), 1900, 2100

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

-

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)
HSDPA speed

21.1 Mbps

-
HSUPA speed

5.76 Mbps

-
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

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

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD capacitive touchscreen

AMOLED capacitive touchscreen
Physical size

5.0 inches

6.5 inches
Resolution

720 x 1280 pixels

1080 x 2340 pixels
Pixel density

294 ppi

396 ppi
Display colors

16777216

16777216
Protection

-

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

Yes

Yes

Main camera
Camera type

-

Dual
Main camera

5 MP

16 MP, f/1.7 , 1/2.5" , 1.12 µm
2 MP, f/2.4
Primary camera resolution

-

4608 x 3456 pixels
Primary camera video

1080p@30fps

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

autofocus

-
Primary camera flash

LED flash

dual LED flash
Camera features

Geo-tagging, face detection, touch focus

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

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Email

Push Email

-
Java

No

-
Sensors

Accelerometer, proximity

Accelerometer, compass, proximity, light, gyroscope, in-display fingerprint sensor