Oppo Realme Narzo 20A vs vivo S1 Pro: specs comparison

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

Display technology

OLED versus LCD

Realme Narzo 20A:

LCD

S1 Pro:

OLED
Weight

S1 Pro: 10 g lighter

Realme Narzo 20A:

195 g

S1 Pro:

185 g
Depth

S1 Pro: 0.7 mm thinner

Realme Narzo 20A:

8.9 mm

S1 Pro:

8.2 mm
Height

S1 Pro: 7.1 mm shorter

Realme Narzo 20A:

164.4 mm

S1 Pro:

157.3 mm
Release year

Realme Narzo 20A:

2020

S1 Pro:

2019

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. Realme Narzo 20A

Height:

164.4 mm +7.1 mm versus S1 Pro
Width:

75.4 mm
Depth:

8.9 mm +0.7 mm versus S1 Pro
2. S1 Pro

Height:

157.3 mm
Width:

74.7 mm
Depth:

8.2 mm

Weight

Bars start at zero and share a scale within this chart.

1. Realme Narzo 20A

195 g

+10 g versus S1 Pro
2. S1 Pro

185 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. Realme Narzo 20A

Screen diagonal:

6.5 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

102 cm²
2. S1 Pro

Screen diagonal:

6.39 in

Aspect ratio (height:width):

19.5:9

Approximate rectangular screen area:

100.2 cm²

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Realme Narzo 20A, S1 Pro, compared at the same storage capacity.
Storage	Realme Narzo 20A	S1 Pro
32 GB	3 GB RAM	Unknown
64 GB	4 GB RAM	Unknown

S1 Pro: Original memory entry

256 GB · 6 GB RAM 128 GB · 8 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Realme Narzo 20A

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSDXC (dedicated slot)

2. S1 Pro

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

1. Realme Narzo 20A

5000 mAh

+1300 mAh versus S1 Pro
2. S1 Pro

3700 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Realme Narzo 20A2. S1 Pro

Everyday essentials

Everyday essentials — specifications for Realme Narzo 20A, S1 Pro.
Specification	Realme Narzo 20A	S1 Pro
Dimensions (HxWxD)	164.4 Х 75.4 Х 8.9 mm	157.3 Х 74.7 Х 8.2 mm
Weight	195 g	185 g
Technology	IPS LCD	Super AMOLED
Screen size	6.5" inc	6.39" inch
Screen resolution	720 x 1600 px	1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32GB 3GB RAM 64GB 4GB RAM	256 GB 6 GB RAM 128 GB 8 GB RAM
Memory card support	microSDXC (dedicated slot)	microSD up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.	5000 mAh Li-Po non-removable	3700 mAh Non-removable Li-Po
Operating system OS	Android 10 Realme UI	Android 9.0 (Pie); Funtouch 9
Chipset	- Qualcomm SM6125 Snapdragon 665 (11 nm)	Qualcomm SDM675 Snapdragon 675 (11 nm)
Headphone jack	Yes	Yes

Display

Display — specifications for Realme Narzo 20A, S1 Pro.
Specification	Realme Narzo 20A	S1 Pro
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	Type Super
Screen area	102.0 cm2	100.2 cm2
Screen format	20:9 (height:width)	19.5:9 (height:width)
Screen to body ratio	82.3%	85.3%
PPI /points per inch/	Unknown	403 PPI
Screen protection	Corning Gorilla Glass 3	Unknown

Camera and Video

Camera and Video — specifications for Realme Narzo 20A, S1 Pro.
Specification	Realme Narzo 20A	S1 Pro
Rear camera, main	12 MP Triple	48 MP Triple
Camera specs	-12 MP f/1.8 28mm (wide) 1/2.8'' 1.25µm PDAF -2 MP f/2.4 (depth) -2 MP (depth)	48 MP f/1.8 1/2.0'' 0.8µm PDAF -8 MP f/2.2 (wide) -5 MP f/2.4 depth sensor
Functions	HDR	HDR
Video	1080p@30fps	1080p@30fps
Front camera, selfie	8 MP Single	32 MP Single
Specifications	8 MP	Motorized pop-up 32 MP f/2.0

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Realme Narzo 20A, S1 Pro.
Specification	Realme Narzo 20A	S1 Pro
Processor CPU	- Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)	Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
Graphics processor GPU	- Adreno 610	Adreno 612
Antutu 8 score *	Unknown	219118

General specs

General specs — specifications for Realme Narzo 20A, S1 Pro.
Specification	Realme Narzo 20A	S1 Pro
Release date	2020 September 21	2019 May
Colors	Glory Silver Victory Blue	Blue Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	100 EUR	360 EUR

Communication and Connectivity

Communication and Connectivity — specifications for Realme Narzo 20A, S1 Pro.
Specification	Realme Narzo 20A	S1 Pro
SIM card	Dual SIM (Nano-SIM dual stand-by)	Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - 1 3 5 8 38 40 41	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 4(1700/2100) 5(850) 8(900) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500)
Speed	HSPA 42.2/5.76 Mbps LTE-A	HSPA 42.2/5.76 Mbps LTE-A
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot
GPS	Yes with A-GPS GLONASS	Yes with A-GPS GLONASS BDS
USB	microUSB 2.0 USB On-The-Go	microUSB 2.0 USB On-The-Go
Bluetooth	5.0 A2DP LE	Yes

Music and Audio

Music and Audio — specifications for Realme Narzo 20A, S1 Pro.
Specification	Realme Narzo 20A	S1 Pro
Radio	FM radio	Unknown
Others	Unknown	Active noise cancellation with dedicated mic

Other features

Other features — specifications for Realme Narzo 20A, S1 Pro.
Specification	Realme Narzo 20A	S1 Pro
Dop	- Sensors - Fingerprint (rear-mounted) accelerometer proximity compass - Charging 10W	Sensors Fingerprint (under display) accelerometer gyro proximity compass - Fast battery charging 18W - Versions: V1832A V1832T (China)

Oppo Realme Narzo 20A vs vivo S1 Pro