Realme X2 Pro (256GB) vs Vivo S1 (V1831A)

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Side by side comparison between Realme X2 Pro vs Vivo S1 phones, differences, pros, cons and full specifications. What's the better?

11/15/2019 3:13 PM, updated: 10/24/2021 5:21 PM

Compare Vivo S1 X Realme X2 Pro (256GB) 16Points

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

64.1
MP

16mp

12GB
RAM

Octa-core

4000
mAh

(Non removable)

06Points Vivo S1 (V1831A) Compare Realme X2 Pro X

Specifications Compare Models Pictures

6.33"
IPS

1080x2340

12
MP

25mp

6GB
RAM

Octa-core

3940
mAh

(Non removable)

What's the better phone? Realme X2 Pro (256GB)

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!

16 Advantages Realme X2 Pro (256GB)	vs	6 Advantages Vivo S1 (V1831A)
+2.96GHz 64bit Octa-core (7nm)34% More powerful processor, you can open your applications faster	vs	2.1GHz 64bit Octa-core
+12GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.	vs	6GB LPDDR4X
+256GB (240GB available)122% More internal storage for applications and files	vs	128GB (108GB available)
+UFS 3.0Advantage Fastest write and read storage.	vs	eMMC 5.1
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+1080x2400 pixels3% Higher resolution screen	vs	1080x2340 pixels
+6.5"3% Larger screen	vs	6.33"
+(quad camera) 64.1MP + 13MP + 8MP + 2MP2 times Higher resolution main camera	vs	(triple camera) 12MP + 8MP + 5MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+Android 10Advantage Android 10 is newer and safer	vs	Android 9.0 Pie
+4000 mAh2% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3940 mAh
+50W178% 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.	vs	18W
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0, USB OTG On-The-Go
+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
Not supported	vs	+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards
199 grams (6.97 ounces)	vs	+190 grams (6.65 ounces)5% Lighter
8.7 millimeters (0.34 inches)	vs	+8.54 millimeters (0.34 inches)2% Thinner
405 PPI	vs	+407 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(front) 16MP	vs	+(front) 25MP56% Higher resolution secondary camera to take pictures and selfies
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files

26 Common items in both devices

16 million

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

f/1.8 (aperture)

4K UHD (3840x2160)

(front) Full HD (1920x1080)

+19 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
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
Change model		Choose the model
Model	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
Other model names	Oppo Realme X2 Pro RMX1931 (12GB RAM + 256GB)	BBK vivo S1 (China) V1831
Country or region available	(Europe), (Global, International), China	China
Brand	Realme	Vivo
Release date	10/1/2019	4/1/2019
Depth	8.7 millimeters (0.34 inches)	8.54 millimeters (0.34 inches)
Size (width x height)	75.7 x 161 millimeters (2.98 x 6.34 in)	75.93 x 161.97 millimeters (2.99 x 6.38 in)
Weight	199 grams (6.97 ounces)	190 grams (6.65 ounces)
Build, materials	Aluminum frame, glass front/back	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
Display type	Super AMOLED	TFT IPS LCD
Screen size	6.5" inches	6.33" inches
Screen-to-body ratio	~83.7% (screen-to-body ratio)	~80% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2340 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	405 PPI	407 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Not supported
Refresh rate	90Hz	feature not registered
Display features	1000nits[peak] HDR10+	feature not registered
🤖 Operating System
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
System version	Android 9.0 Pie	Android 9.0 Pie
Firmware update	Android 10	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
Chipset	64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm)	64bit: MediaTek MT6771WT Helio P70 (12nm)
CPU	Octa-core, 3 processors: 1x 2.96GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.8GHz Kryo 485 (Quad-core)	Octa-core, 2 processors: 4x 2.1GHz ARM Cortex-A73 (Quad-core) 4x 2GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 640 (672MHz)	ARM Mali-G72 MP3 900Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
RAM memory	12GB LPDDR4X	6GB LPDDR4X
Internal storage	256GB (240GB available) UFS 3.0	128GB (108GB available) eMMC 5.1
External storage	Not supported	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	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	150/50 Mbps	300/50 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
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, GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/2100
Primary 4G network	LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE	LTE Cat7 (Bands 1, 3, 5, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
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	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
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
Back camera (main camera)	(quad camera) 64.1 megapixels 13MP telephoto f/2.552mm1/3.4"1.0µmPDAF2x-optical-zoom 8MP ultrawide f/2.216mm1/3.2"1.4µmPDAF 2MP depth f/2.41/5"1.75µm	(triple camera) 12 megapixels 8MP ultrawide f/2.2 5MP depth f/2.4
Main camera resolution	9248x6936 pixels	4000x3000 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	26mm lens	13mm lens
Sensor size	1/1.7" inches	feature not registered
Pixel size	0.8µm 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	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
Front camera (secondary)	16 megapixels	25 megapixels
Front camera resolution	4608x3456 pixels	5760x4320 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	1µm pixel	feature not registered
🔉 Sound and multimedia
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
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
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	3940 mAh
Charger, watts	50W Wired fast charging	18W Wired fast charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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: Lunar White, Neptune Blue, Red Master Edition, Gray Master Edition • ColorOS 6.1 • DCI-P3 100% display • Dolby Atmos (24-bit/192kHz) • SuperVOOC Flash Charge: 100% in 35min	• Colors: Ice black, Blue, Pink • 19.5:9 display ratio • Always On Display • FunTouch OS 9 • Motorized pop-up front camera
☢️ Radiation rate
	Realme X2 Pro (256GB)	Vivo S1 (V1831A)
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