Xiaomi Redmi K40S vs vivo iQOO Neo8

Xiaomi Redmi K40S

vivo iQOO Neo8

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 19, 28, 28, 34, 38, 39, 40, 41
5G network

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA

5G band 1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 5), plastic back

Glass front, plastic frame, glass or leather back
SIM

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

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

163.2 mm

164.7 mm
Width

76 mm

77 mm
Thickness

7.7 mm

8.5 mm
Weight

195 g

192 g
Splash resistant

Yes

-
Colors

Black, Blue, Gray, Green

Black, Mint, Red

Display
Display type

AMOLED

AMOLED
Physical size

6.67 inches

6.78 inches
Resolution

1080 x 2400 pixels

1260 x 2800 pixels
Pixel density

395 ppi

453 ppi
Display colors

16777216

1073741824
Protection

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

-
Display features

120Hz, HDR10+, 1300 nits (peak)

144Hz, HDR10, 1300 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.2 GHz Kryo 585

Single-core 3.0 GHz Cortex-X2
CPU(second)

Triple-core 2.42 GHz Kryo 585

Triple-core 2.5 GHz Cortex-A710
CPU(third)

Quad-core 1.80 GHz Kryo 585

Quad-core 1.8 GHz Cortex-A510
Chipset

Qualcomm SM8250-AC Snapdragon 870 5G

Qualcomm SM8475 Snapdragon 8+ Gen 1
GPU

Adreno 650

Adreno 730
Memory RAM

6, 8, 12 GB

12, 16 GB
Internal storage

128, 256 GB

256, 512 GB
Memory card

No

Unspecified
Storage

UFS 3.1

UFS 3.1

Main camera
Camera type

Triple

Dual
Main camera

(wide) , 48 MP, f/1.8 , 1/2" , 0.8 µm

(wide) , 50 MP, f/1.9 , 1/1.57" , 1.0 µm, 20x digital zoom
(ultrawide) , 8 MP, 119˚

(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm
(macro) , 2 MP, f/2.4
Primary camera resolution

8000 x 6000 pixels

8190 x 6120 pixels
Primary camera video

4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS

8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

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

Autofocus, continuous shooting, digital 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, macro-mode, phase detection autofocus

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

Yes

-

Features
Sensors

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4500 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 3+, 67W (100% in 38 min)

Yes, 120W (50% in 9 min)

Xiaomi Redmi K40S comparisons