Xiaomi Redmi S2 (32GB) vs Oppo Reno7 A

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Side by side comparison between Xiaomi Redmi S2 vs Oppo Reno7 A phones, differences, pros, cons and full specifications. What's the better?

6/16/2022 10:00 AM, updated: 6/16/2022 10:36 AM

Compare Oppo Reno7 A X Xiaomi Redmi S2 (32GB) 03Points

Specifications Compare Models Pictures

5.99"
IPS

720x1440

12
MP

16mp

3GB
RAM

Octa-core

3080
mAh

(Non removable)

22Points Oppo Reno7 A Compare Xiaomi Redmi S2 X

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2400

48
MP

16mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone? Oppo Reno7 A

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

3 Advantages Xiaomi Redmi S2 (32GB)	vs	22 Advantages Oppo Reno7 A
+170 grams (5.95 ounces)3% Lighter	vs	175 grams (6.13 ounces)
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
2GHz 64bit Octa-core	vs	+2.2GHz 64bit Octa-core (6nm)7% More powerful processor, you can open your applications faster
3GB LPDDR3	vs	+6GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
32GB (21GB available)	vs	+128GB (101GB available)4 times More internal storage for applications and files
eMMC 5.1	vs	+UFS 2.2Advantage Fastest write and read storage.
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
8.1 millimeters (0.32 inches)	vs	+7.6 millimeters (0.3 inches)7% Thinner
TFT IPS LCD	vs	+AMOLEDAdvantage AMOLED display is brighter and more vivid
720x1440 pixels	vs	+1080x2400 pixels150% Higher resolution screen
269 PPI	vs	+411 PPI53% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.99"	vs	+6.4"7% Larger screen
(dual camera) 12MP + 5MP	vs	+(triple camera) 48MP + 8MP + 2MP2 times Higher resolution main camera
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
f/2.2 (aperture)	vs	+f/1.7 (aperture)29% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) HD (1280x720)	vs	+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera
Android 8.1 Oreo	vs	+Android 11Advantage Android 11 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 300 Mbps	vs	+(5G SA/NSA) 2000 Mbps6 times Faster for surfing the internet and download files
3080 mAh	vs	+4500 mAh46% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10W	vs	+18W80% More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.2 + A2DP	vs	+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

27 Common items in both devices

Plastic body, glass front

16 million

Only digital zoom

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

(front) 16MP

+20 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	Redmi S2 (32GB)	Oppo Reno7 A
Change model
Model	Redmi S2 (32GB)	Reno7 A
Other model names	红米自拍手机S2, Xiaomi S2, Xiaomi Ysl	Oppo Reno 7A 5G (CPH2353)
Country or region available	(Global, International), China	Japan
Brand	Xiaomi	Oppo
Release date	5/1/2018	6/16/2022
Depth	8.1 millimeters (0.32 inches)	7.6 millimeters (0.3 inches)
Size (width x height)	77.26 x 160.73 millimeters (3.04 x 6.33 in)	73.4 x 159.7 millimeters (2.89 x 6.29 in)
Weight	170 grams (5.95 ounces)	175 grams (6.13 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Redmi S2 (32GB)	Oppo Reno7 A
Display type	TFT IPS LCD	AMOLED
Screen size	5.99" inches	6.4" inches
Screen-to-body ratio	~74.6% (screen-to-body ratio)	~84.4% (screen-to-body ratio)
Display resolution	720x1440 pixels	1080x2400 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	269 PPI	411 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	feature not registered	90Hz
Display features	feature not registered	430nits[typ], 600nits[peak]
🤖 Operating System
	Redmi S2 (32GB)	Oppo Reno7 A
System version	Android 7.1.2 Nougat	Android 11
Firmware update	Android 8.1 Oreo	feature not registered
User Interface	feature not registered	ColorOS 12
⚙️ Processor
	Redmi S2 (32GB)	Oppo Reno7 A
Chipset	64bit: Qualcomm Snapdragon 625 MSM8953 (14nm)	64bit: Qualcomm Snapdragon 695 (SM6375) (6nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 2 processors: 2x 2.2GHz Kryo 660 Gold (Dual-core) 6x 1.7GHz Kryo 660 Silver (Hexa-core)
GPU graphical controller	Qualcomm Adreno 506 650Mhz	Qualcomm Adreno 619 (840MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Redmi S2 (32GB)	Oppo Reno7 A
RAM memory	3GB LPDDR3	6GB LPDDR4X
Internal storage	32GB (21GB available) eMMC 5.1	128GB (101GB available) UFS 2.2
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Redmi S2 (32GB)	Oppo Reno7 A
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	2000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	CDMA 800 (China), GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	M1803E6G Global version: UMTS 850/900/1900/2100 M1803E6E, M1803E6C, M1803E6T versions: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 M1803E6G Global version: LTE (Bands 1,3,4,5,7,8,20) TD-LTE (Bands 38,40) M1803E6E, M1803E6C, M1803E6T versions: LTE (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41)	LTE Cat15 (1, 3, 4, 5, 8, 12, 17, 18, 19, 26, 28) TD-LTE (38, 40, 41, 42) VoLTE
Primary 5G network	Not supported	SA/NSA (3, 28, 41, 77, 78)
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat15 (1, 3, 4, 5, 8, 12, 17, 18, 19, 26, 28) TD-LTE (38, 40, 41, 42) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Redmi S2 (32GB)	Oppo Reno7 A
Back camera (main camera)	(dual camera) 12 megapixels 5MP depth	(triple camera) 48 megapixels 8MP ultrawide f/2.2120° 2MP depth f/2.4
Main camera resolution	4000x3000 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/2.2 (aperture)	f/1.7 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	1.25µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Redmi S2 (32GB)	Oppo Reno7 A
Front camera (secondary)	16 megapixels	16 megapixels
Front camera resolution	4608x3456 pixels	4608x3456 pixels
Video recording (secondary)	HD (1280x720)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/2.0 (aperture)	f/2.4 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Redmi S2 (32GB)	Oppo Reno7 A
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi S2 (32GB)	Oppo Reno7 A
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C (reversible)
Bluetooth	4.2 + A2DP	5.1 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Not supported	Not supported
Infrared port	Supported	Not supported
🧭 Sensors
	Redmi S2 (32GB)	Oppo Reno7 A
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi S2 (32GB)	Oppo Reno7 A
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3080 mAh	4500 mAh
Charger, watts	10W (5V/2A) Wired charging	18W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Redmi S2 (32GB)	Oppo Reno7 A
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Gray, Gold, Rose Gold, Blue, Black • MIUI 10 • 18:9 screen	• Colors: Starry Black, Dream Blue
☢️ Radiation rate
	Redmi S2 (32GB)	Oppo Reno7 A
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered