Oppo K3 vs Vivo V15 Pro

A spec-by-spec comparison of the Oppo K3 and the Vivo V15 Pro, taken from their full specification sheets. Green marks the better value in each measured row.

Oppo K3 smartphone

Oppo K3

From $349
Full specs, price & review →
VS
Vivo V15 Pro smartphone

Vivo V15 Pro

See shop prices
Full specs, price & review →

Head to head

Oppo K3Vivo V15 Pro
Our rating8/107/10
Battery3,765 mAh3,700 mAh
Wired charging20W18W
RAM (max)—8 GB
Storage (max)128 GB256 GB
Screen size6.5 in6.39 in
Main camera16 MP48 MP
Weight (lower is lighter)191 g185 g
ReleasedMay 2019Mar 2019
Summary: Oppo K3 is ahead on our rating, battery, wired charging, screen size. Vivo V15 Pro is ahead on storage (max), main camera, weight (lower is lighter).
★ Which should you buy? Oppo K3 is the stronger overall pick on the measured specs.

Reviewed by the infozme.com Editorial Team — see how we research & rate phones.

Display

Oppo K3Vivo V15 Pro
TypeAMOLED, 100000:1 contrast ratioSuper AMOLED
Size6.5 inches, 104.8 cm2 (~85.5% screen-to-body ratio)6.39 inches
Resolution1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
ProtectionCorning Gorilla Glass 5—
FeaturesDC Dimming, 91.1% screen-to-body ratio—

Platform

Oppo K3Vivo V15 Pro
OSAndroid 9.0 (Pie), ColorOS 6Android 9.0 (Pie), Funtouch OS 9
ChipsetQualcomm SDM710 Snapdragon 710 (10 nm)Qualcomm SDM675 Snapdragon 675 (11 nm)
CPUOcta-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPUAdreno 616Adreno 612

Memory

Oppo K3Vivo V15 Pro
RAM6GB, 8GB—
Internal Storage64GB, 128GB (UFS 2.1)—
Card slotNo dedicated microSDXC slotmicroSDXC (dedicated slot), expandable up to 256GB
Internal—128GB 6GB RAM, 128GB 8GB RAM

Main Camera

Oppo K3Vivo V15 Pro
Dual16 MP, f/1.7, 1/2.5", 1.12µm, PDAF (wide) 2 MP, f/2.4, (depth)—
FeaturesLED flash, HDR, panorama, EIS, Ultra Night Mode 2.0LED flash, HDR, panorama
Video4K@30fps, 1080p@30/120fps, gyro-EIS4K@30fps, 1080p@30fps
Triple—48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF; 8 MP, f/2.2, 13mm (ultrawide); 5 MP, f/2.4, (depth)

Selfie Camera

Oppo K3Vivo V15 Pro
SingleMotorized pop-up 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µmMotorized pop-up 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
FeaturesHDR, AI Beauty, Front Portrait, Front HDRHDR
Video1080p@30fps1080p@30fps

Battery

Oppo K3Vivo V15 Pro
TypeLi-Po 3765 mAh, non-removableLi-Po 3700 mAh, non-removable
Charging20W wired, VOOC 3.018W fast charging (Dual-Engine Fast Charging)

Body

Oppo K3Vivo V15 Pro
Dimensions161.2 x 76 x 9.4 mm (6.35 x 2.99 x 0.37 in)157.25 x 74.71 x 8.21 mm
Weight191 g (6.74 oz)185 g
BuildGlass front (Gorilla Glass 5), polycarbonate back, metal mid-frameGlass front, plastic back, plastic frame
SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)

Comms

Oppo K3Vivo V15 Pro
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
GPSGPS, GLONASS, BDSGPS, A-GPS, GLONASS, BDS
USBUSB Type-C 2.0, OTGmicroUSB 2.0, OTG
NFC—No
Radio—FM radio

Launch

Oppo K3Vivo V15 Pro
AnnouncedMay 2019February 2019
StatusReleased May 2019 (Discontinued in official stores, may be found via resellers)Released March 2019

Frequently asked questions

Which has the better battery, Oppo K3 or Vivo V15 Pro?

Oppo K3 — 3,765 mAh for the Oppo K3 versus 3,700 mAh for the Vivo V15 Pro.

Which is lighter, Oppo K3 or Vivo V15 Pro?

Vivo V15 Pro — 191 g for the Oppo K3 versus 185 g for the Vivo V15 Pro.

Which is newer, Oppo K3 or Vivo V15 Pro?

Oppo K3 — May 2019 for the Oppo K3 versus Mar 2019 for the Vivo V15 Pro.

Is the Oppo K3 or the Vivo V15 Pro rated higher?

We rate the Oppo K3 8/10 and the Vivo V15 Pro 7/10.

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