Oppo K3
#1870
Samsung Galaxy A7 (2017)
#2981Category Breakdown
Oppo K3
Samsung Galaxy A7 (2017)
Performance
76.662.5
Camera
64.819.1
Display
80.282.8
Battery
27.126.9
Build
73.093.3
Connectivity
58.863.9
Audio
8.98.9
Overall
54.044.7
Summary
- The Oppo K3 features a larger 6.5-inch AMOLED display with a higher resolution of 1080 x 2340 pixels compared to the Samsung Galaxy A7 (2017)'s 5.7-inch Super AMOLED display at 1080 x 1920 pixels.
- In terms of performance, the K3 is powered by the Qualcomm Snapdragon 710 chipset, offering better processing capabilities than the Exynos 7880 in the A7.
- Both phones have a 16 MP rear camera, but the K3 supports 4K video recording, while the A7 is limited to 1080p.
- The K3 has a slightly larger battery capacity at 3765 mAh versus the A7's 3600 mAh, with faster charging at 20W compared to 18W.
- Build quality differs as the K3 uses a glass front and plastic back, while the A7 has a glass back and aluminum frame, contributing to a more premium feel.
- The K3 runs on Android 9.0 with ColorOS 6, while the A7 originally launched with Android 6.0.1, upgradable to Android 8.0.
Side-by-side Specification Comparison
Oppo K3
Samsung Galaxy A7 (2017)
General
Release Date
2019
2017
Announced
2019
2017
Description
N/A
Versions: A720F (Global Single-SIM); A720F/DS (Global Dual-SIM). Also known as Samsung Galaxy A7 (2017) Duos with dual-SIM card slots
Display
Size
6.5"
5.7"
Type
AMOLED
Super AMOLED
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~394 ppi density)
1080 x 1920 pixels, 16:9 ratio (~386 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 5
Corning Gorilla Glass 4
Performance
Chipset
Qualcomm SDM710 Snapdragon 710 (10 nm)
Exynos 7880 (14 nm)
CPU
Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Octa-core 1.9 GHz Cortex-A53
GPU
Adreno 616
Mali-T830MP3
Memory
64GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
32GB 3GB RAM
Expandable Storage
✗
✗
Card Slot
No
microSDXC (dedicated slot)
Camera
Main Camera
16 MP, f/1.7, 1/2.5", 1.12µm, PDAF2 MP, f/2.4, (depth)
16 MP, f/1.9, 27mm (wide), AF
Main Camera Features
LED flash, HDR, panorama
LED flash, panorama, HDR
Front Camera
Motorized pop-up 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
16 MP, f/1.9, 26mm (wide), 1/3.06", 1.0µm
Front Camera Features
HDR
N/A
Video Recording
4K@30fps, 1080p@30/120fps, gyro-EIS
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3765 mAh
3600 mAh
Battery Details
Li-Po 3765 mAh, non-removable
Li-Ion 3600 mAh, non-removable
Charging Details
20W wired
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
161.2 x 76 x 9.4 mm (6.35 x 2.99 x 0.37 in)
156.8 x 77.6 x 7.9 mm (6.17 x 3.06 x 0.31 in)
Weight
191 g
186 g
Materials
Glass front (Gorilla Glass 5), plastic back, plastic frame
Glass front (Gorilla Glass 4), glass back, aluminum frame
Colors
Black, Nebula Purple, Morning White
Black Sky, Gold Sand, Blue Mist and Peach Cloud
Foldable
✗
✗
SAR
N/A
1.00 W/kg (head) 0.71 W/kg (body)
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIMNano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 а/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE, aptX HD
4.2, A2DP, EDR, LE
NFC
✗
✓
USB
USB Type-C 2.0, OTG
USB Type-C 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 9.0 (Pie), ColorOS 6
Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo)
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer