Oppo Find X7 Ultra vs Xiaomi Redmi K40S

Oppo Find X7 Ultra

Xiaomi Redmi K40S

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

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

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G network

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

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

42.2 Mbps

42.2 Mbps
HSUPA speed

11.52 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

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

Glass front (Gorilla Glass 5), plastic back
SIM

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

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

164.3 mm

163.2 mm
Width

76.2 mm

76 mm
Thickness

9.5 mm

7.7 mm
Weight

221 g

195 g
Waterproof

IP68 (up to 1.5m for 30 mins)

-
Splash resistant

-

Yes
Dust proof

IP68

-
Colors

Black, Blue, Brown

Black, Blue, Gray, Green

Display
Display type

LTPO AMOLED

AMOLED
Physical size

6.82 inches

6.67 inches
Resolution

1440 x 3168 pixels

1080 x 2400 pixels
Pixel density

510 ppi

395 ppi
Display colors

1073741824

16777216
Protection

Corning Gorilla Glass Victus 2

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

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

120Hz, HDR10+, 1300 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.3 GHz Cortex-X4

Single-core 3.2 GHz Kryo 585
CPU(second)

Penta-core 3.2 GHz Cortex-A720

Triple-core 2.42 GHz Kryo 585
CPU(third)

Dual-core 2.3 GHz Cortex-A520

Quad-core 1.80 GHz Kryo 585
Chipset

Qualcomm SM8650-AB Snapdragon 8 Gen 3

Qualcomm SM8250-AC Snapdragon 870 5G
GPU

Adreno 750

Adreno 650
Memory RAM

12, 16 GB

6, 8, 12 GB
Internal storage

256, 512 GB

128, 256 GB
Memory card

No

No
Storage

UFS 4.0

UFS 3.1

Main camera
Camera type

Quad

Triple
Main camera

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

(wide) , 48 MP, f/1.8 , 1/2" , 0.8 µm
(periscope telephoto) , 50 MP, f/2.6 , 65 mm, 1/1.56" , 1.0 µm, 2.8x optical zoom

(ultrawide) , 8 MP, 119˚
(periscope telephoto) , 50 MP, f/4.3 , 135 mm, 1/2.51" , 0.64 µm, 6x optical zoom

(macro) , 2 MP, f/2.4
(ultrawide) , 50 MP, f/2.0 , 123˚ , 14 mm, 1/1.95" , 1.0 µm
Primary camera resolution

8120 x 6180 pixels

8000 x 6000 pixels
Primary camera video

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

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

LED flash

dual-LED dual-tone 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, 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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

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

(wide) , 20 MP
Selfie camera resolution

6560 x 4928 pixels

-
Selfie camera features

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

Face unlock, HDR
Selfie camera video

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

1080p@30/120fps

Connectivity
WLAN

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

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 3.2

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.4

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
Infrared

Yes

-
NFC

Yes; NFC-SIM, HCE, eSE, eID

Yes
GPS

Yes, with dual-band 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, color spectrum, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5000 mAh

4500 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Yes, 100W (50% in 10 min, 100% in 26 min)

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

Yes, 10W

-
Fast wireless charging

Yes, 50W

-

Oppo Find X7 Ultra comparisons