Oppo A78 4G vs Oppo K11x

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66

LTE frequency band 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
5G network

-

5G band 1, 5, 8, 28, 41, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE

LTE-A, 750 Mbps download, 211 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Glass front, plastic frame, plastic back
SIM

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

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

160 mm

165.5 mm
Width

73.2 mm

76 mm
Thickness

7.9 mm

8.3 mm
Weight

180 g

195 g
Waterproof

IP54

-
Dust proof

IP54

-
Colors

Aqua Green, Black

Black, Blue

Display
Display type

AMOLED

IPS LCD
Physical size

6.43 inches

6.72 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

409 ppi

392 ppi
Display colors

16777216

16777216
Protection

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

-
Display features

90Hz, 430 nits

120Hz, 550 nits (typ), 680 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.4 GHz Kryo 265 Gold

Dual-core 2.2 GHz Kryo 660 Gold
CPU(second)

quad-core 1.9 GHz Kryo 265 Silver

Hexa-core 1.7 GHz Kryo 660 Silver
Chipset

Qualcomm SM6225 Snapdragon 680 4G

Qualcomm SM6375 Snapdragon 695 5G
GPU

Adreno 610

Adreno 619
Memory RAM

8 GB

8, 12 GB
Internal storage

128, 256 GB

128, 256 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

1 TB

1 TB
Storage

-

UFS 2.2

Main camera
Camera type

Dual

Dual
Main camera

(wide) , 50 MP, f/1.8 , 77˚

(wide) , 108 MP, f/1.8 , 84˚ , 24 mm, 1/1.67" , 0.64 µm, 10x digital zoom
(depth) , 2 MP, f/2.4

(depth) , 2 MP, f/2.4
Primary camera resolution

8190 x 6120 pixels

12000 x 9000 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

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

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.0 , 83˚ , 1/4" , 1.12 µm

(wide) , 16 MP, f/2.4 , 82˚ , 1.0 µm
Selfie camera resolution

3264 x 2448 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock, HDR

-
Selfie camera video

1080p@30fps

1080p@30fps

Connectivity
WLAN

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

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

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

Yes (market dependent)

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5000 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC, 67W (76% in 30 min)

SuperVOOC, 67W (80% in 33 min)