Oppo Find X7 Ultra vs Oukitel C31

Oppo Find X7 Ultra

Oukitel C31

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x

HSDPA 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66

LTE frequency band 1, 3, 7, 8, 19, 20
5G network

5G band 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA

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HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

11.52 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass) or eco leather back, aluminum frame

Plastic
SIM

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

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

164.3 mm

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Width

76.2 mm

-
Thickness

9.5 mm

-
Weight

221 g

207 g
Waterproof

IP68 (up to 1.5m for 30 mins)

-
Dust proof

IP68

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Colors

Black, Blue, Brown

Black, Blue

Display
Display type

LTPO AMOLED

IPS TFT
Physical size

6.82 inches

6.52 inches
Resolution

1440 x 3168 pixels

720 x 1600 pixels
Pixel density

510 ppi

269 ppi
Display colors

1073741824

16777216
Protection

Corning Gorilla Glass Victus 2

2.5D curved glass screen
Display features

120Hz, Dolby Vision, HDR10+, 1600 nits (typ), 2600 nits (HBM), 4500 nits (peak)

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Main camera
Camera type

Quad

Triple
Main camera

(wide) , 50 MP, f/1.8 , 23 mm, 1/0.98" , 1.6 µm

13 MP, f/2.2 , 1/3.1" , 80˚
(periscope telephoto) , 50 MP, f/2.6 , 65 mm, 1/1.56" , 1.0 µm, 2.8x optical zoom

(macro) , 0.3 MP, f/2.8 , 1/10"
(periscope telephoto) , 50 MP, f/4.3 , 135 mm, 1/2.51" , 0.64 µm, 6x optical zoom

(depth) , 0.3 MP, f/2.8 , 1/10"
(ultrawide) , 50 MP, f/2.0 , 123˚ , 14 mm, 1/1.95" , 1.0 µm
Primary camera resolution

8120 x 6180 pixels

4224 x 3136 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10‑bit video, Dolby Vision

1440p@30fps
Primary camera flash

LED flash

dual-LED flash
Camera features

Autofocus, continuous 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, macro-mode, contrast detection autofocus, laser autofocus, multi-directional phase detection autofocus, RAW, HEIF, Hasselblad master mode

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 32 MP, f/2.4 , 21 mm, 1/2.74" , 0.8 µm

5 MP, f/2.2 , 75˚
Selfie camera resolution

6560 x 4928 pixels

2560 x 1944 pixels
Selfie camera features

Face unlock, HDR, autofocus, face detection, digital image stabilization

Face unlock, face detection
Selfie camera video

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

1080p@30fps

Connectivity
WLAN

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

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

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USB

Type-C 3.2

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.4

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
Bluetooth AptX

aptX HD

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Infrared

Yes

-
NFC

Yes; NFC-SIM, HCE, eSE, eID

No
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

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BDS

Yes

Yes
QZSS

Yes

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