Oppo R15 Pro vs vivo X21 Comparison and Differences

Smartphone 1

Oppo R15 Pro

Oppo R15 Pro

Smartphone 2

vivo X21

vivo X21

Smartphone 3

Oppo R15 Pro or vivo X21 Specs Comparison

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Common specs

Brand and model Oppo R15 Pro vivo X21
Rating (+) (+)
Release date 2018, March 2018, March
Dimensions (HxWxD) 156.5 x 75.2 x 8 mm | 6.16 x 6.16 x 2.96 in 154.5 x 74.8 x 7.4 mm | 6.08 x 6.08 x 2.94 in
Weight 180 g | 6.35 oz 156.2 g | 5.51 oz
Body Build Front glass, aluminum frame, ceramic back Front glass, aluminum body
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Colors Ceramic Black, Dream Mirror Red Black, Aurora White, Ruby Red
Battery 3430 mAh,  Non-removable Li-Po 3200 mAh,  Non-removable Li-Ion
Approximate price 510 EUR 450 EUR
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Screen

Technology AMOLED Super AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 6.28" in 6.28" in
Screen area 98.9 cm2 98.4 cm2
Screen format 19:9 (height:width) 19:9 (height:width)
Screen to body ratio 84.1% 85.2%
Screen resolution 1080 x 2280 px 1080 x 2280 px
Screen PPI /points per inch/ 401 PPI 402 PPI
Screen protection Corning Gorilla Glass 5
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Camera and Video

Rear camera, main 16 MP, Dual 12 MP, Dual
Camera specs -16 MP, f/1.7, 25mm (wide), 1/2.6'', 1.22µm, PDAF
-20 MP, f/1.7, 25mm (wide), 1/2.8'', 1.0µm
-12 MP, f/1.8, 1/2.55'', 1.4µm, dual pixel PDAF
-5 MP, f/2.4, depth sensor
Functions LED flash, HDR, panorama LED flash, HDR, panorama
Video 2160p@30fps, 1080p@60/120fps, 720p@240fps 1080p@30fps
Front camera, selfie 20 MP, Single 12 MP, Single
Specifications 20 MP, f/2.0, 20mm 12 MP, f/2.0
Video 1080p@30fps 1080p@30fps

Performance

Operating system - OS Android 8.1 (Oreo); ColorOS 5 Android 8.1 (Oreo); Funtouch 4
Chipset - Qualcomm SDM660 Snapdragon 660 (14 nm) - Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU - Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) - Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
GPU Adreno 512 Adreno 512
External memory microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 256 GB (uses SIM 2 slot)
Internal memory 128 GB, 6 GB RAM 64/128 GB, 6 GB RAM

Benchmark

Antutu 7 Total
GeekBench 4 Single Core 1806
GeekBench 4 Multi-Core 4240

Communication and Connectivity

SIM card Hybrid Dual SIM (Nano-SIM, dual stand-by) Hybrid Dual SIM (Nano-SIM, dual stand-by)
Network GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / LTE
Bands -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), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 
CDMA 800 & TD-SCDMA
-3G - HSDPA 850 / 900 / 1900 / 2100
-4G - LTE band 1(2100), 2(1900), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
Speed HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
GPRS Yes Yes
Edge Yes Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi 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
NFC Yes
USB microUSB 2.0, USB On-The-Go microUSB 2.0, USB On-The-Go
Bluetooth 5.0, A2DP, LE, EDR 5.0, A2DP, LE

Music and Audio

Radio No FM radio
Headphone jack Yes Yes
Others - Active noise cancellation with dedicated mic - 32-bit/192kHz audio
-Active noise cancellation with dedicated mic

Other features

Sensors - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass - Fingerprint (rear-mounted), accelerometer, proximity, compass
Other extras
- Fast battery charging: VOOC Flash Charge 5V/4A
- IP67 dust/water resistant (up to 1m for 30 mins)

- Fast battery charging
Versions
- Also known as R15 Dream Mirror Edition in China with slightly different dimensions

Reviews and Opinions on Oppo R15 Pro and vivo X21

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