Motorola Razr 40 Ultra vs Oppo K9

Network
2G network

GSM 900, 1800, 1900; CDMA 800, 1900

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

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

HSDPA 800, 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, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66 - global version; 1, 2, 3, 4, 5, , 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - North America

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

5G band 1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 77, 78, 79 SA/NSA/Sub6 - global version; 2, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 48, 66, 70, 71, 77, 78 SA/NSA/Sub6 - North America

5G band 1, 3, 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-A (CA), 2000 Mbps download, 315 Mbps upload

LTE-A, 1200 Mbps download, 210 Mbps upload
GPRS

Class 12

Yes
EDGE

Class 12

Yes

Design
Build

Plastic front (opened), glass front (closed, Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame (7000 series), hinge (stainless steel)

Aluminium alloy, glass
SIM

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

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

88.4 mm

159.1 mm
Width

74 mm

73.4 mm
Thickness

15.1 mm

7.9 mm
Height unfolded

170.8 mm

-
Width unfolded

74 mm

-
Thickness unfolded

7 mm

-
Weight

184.5/188.5 g

172 g
Waterproof

Water-repellent coating

-
Colors

Black, Blue, Magenta

Aurora, Black

Display
Display type

Foldable LTPO AMOLED

Super AMOLED
Physical size

6.9 inches

6.43 inches
Resolution

1080 x 2640 pixels

1080 x 2400 pixels
Pixel density

413 ppi

409 ppi
Display colors

1073741824

16777216
Protection

-

Scratch resistant, 2.5D curved glass screen
Display features

165Hz, HDR10+, 1400 nits (peak)

90Hz, 430 nits (typ), 750 nits (peak)
Additional display

AMOLED

-
Resolution of additional display

1056 x 1066 pixels

-
Size of additional display

3.6 inches

-

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.19 GHz Cortex-X2

Single-core 2.8 GHz Kryo 475 Prime
CPU(second)

Triple-core 2.75 GHz Cortex-A710

Single-core 2.4 GHz Kryo 475 Gold
CPU(third)

Quad-core 1.8 GHz Cortex-A510

Hexa-core 1.8 GHz Kryo 475 Silver
Chipset

Qualcomm SM8475 Snapdragon 8+ Gen 1

Qualcomm SM7250-AC Snapdragon 768G 5G
GPU

Adreno 730

Adreno 620
Memory RAM

8, 12 GB

8 GB
Internal storage

256, 512 GB

128, 256 GB
Memory card

No

No
Storage

UFS 3.1

-

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 12 MP, f/1.5 , 1/2.55" , 1.4 µm

(wide) , 64 MP, f/1.7 , 1/2.0" , 0.8 µm, 80˚ , 20x digital zoom
(ultrawide) , 13 MP, f/2.2 , 108˚ , 1/3" , 1.12 µm

(ultrawide) , 8 MP, f/2.2 , 119˚
(macro) , 2 MP, f/2.4
Primary camera resolution

4020 x 3020 pixels

9280 x 6920 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/120fps, HDR10+, gyro-EIS

4K@30fps, 1080p@30/60/120fps; gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, laser autofocus, RAW, night vision

Autofocus, continuous 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, contrast detection autofocus

Selfie camera
Selfie camera type

-

Single
Selfie camera

(wide) , 32 MP, f/2.4 , 0.7 µm

(wide) , 32 MP, f/2.4 , 0.8 µm, 80˚
Selfie camera resolution

-

6560 x 4928 pixels
Selfie camera features

Face unlock, face detection, HDR

Face unlock, digital image stabilization
Selfie camera video

4K@30/60fps, 1080p@30/60fps

1080p@30fps

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
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
Bluetooth

v5.3

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
Bluetooth AptX

-

aptX HD
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes

Features
Sensors

Accelerometer, barometer (USA only), compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity