Oppo A78 4G vs Xiaomi Redmi K50 Ultra

Oppo A78 4G

Xiaomi Redmi K50 Ultra

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G network

-

5G band 1, 3, 5, 8, 28, 38, 40, 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
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

AMOLED

OLED
Physical size

6.43 inches

6.67 inches
Resolution

1080 x 2400 pixels

1220 x 2712 pixels
Pixel density

409 ppi

446 ppi
Display colors

16777216

16777216
Protection

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

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus
Display features

90Hz, 430 nits

144Hz, HDR10+, Dolby Vision

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.4 GHz Kryo 265 Gold

Single-core 3.19 GHz Cortex-X2
CPU(second)

quad-core 1.9 GHz Kryo 265 Silver

Triple-core 2.75 GHz Cortex-A710
CPU(third)

Quad-core 1.8 GHz Cortex-510
Chipset

Qualcomm SM6225 Snapdragon 680 4G

Qualcomm SM8475 Snapdragon 8+ Gen 1
GPU

Adreno 610

Adreno 730
Memory RAM

8 GB

8, 12 GB
Internal storage

128, 256 GB

128, 256, 512 GB
Memory card

microSD, microSDHC, microSDXC

No
Memory card max

1 TB

-
Storage

-

UFS 3.1

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 50 MP, f/1.8 , 77˚

(wide) , 108 MP, f/1.6 , 1/1.67" , 0.64 µm
(depth) , 2 MP, f/2.4

(ultrawide) , 8 MP, f/2.2 , 120˚
(macro) , 2 MP, f/2.4
Primary camera resolution

8190 x 6120 pixels

12000 x 9000 pixels
Primary camera video

1080p@30fps

4K@30/60fps, 1080p@30/60/120/240/960fps
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, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, flicker sensor

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, 802.11ax
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

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

Yes (market dependent)

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, color spectrum, 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)

Quick Charge 3+, 120W (100% in 19 min)

Oppo A78 4G comparisons