OnePlus 7 vs OPPO K3 128GB

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Comparing the OnePlus 7 vs OPPO K3 128GB across performance, display, camera, battery, storage, expert reviews and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: OnePlus 7 scores higher on the Geekbench Multi-Core test with 11,108, while OPPO K3 128GB scores 5,848, making OnePlus 7 the better performer.


Display: OPPO K3 128GB offers a screen size of 6.5 inches, while OnePlus 7 offers 6.41 inches, making OPPO K3 128GB the larger display of the two. OnePlus 7 features a Optic AMOLED display compared to OPPO K3 128GB's AMOLED, making OnePlus 7 the better display of the two.


Rear Camera: OnePlus 7 offers a higher rear camera resolution with 48 MP, while OPPO K3 128GB offers 16 MP, making OnePlus 7 better for rear camera photography.


Front Camera: Both OnePlus 7 and OPPO K3 128GB feature a 16 MP primary front camera.


Battery: OPPO K3 128GB delivers longer battery life with 15h 38m, while OnePlus 7 delivers 11h 05m, making OPPO K3 128GB the better pick for all day usage.


Storage: Both OnePlus 7 and OPPO K3 128GB offer the same internal storage of 128 GB.


Expert Review: OnePlus 7 receives a higher expert rating of 8 from the editorial team, while OPPO K3 128GB is rated 7.


User Rating: OnePlus 7 receives a higher user rating of 4.6, while OPPO K3 128GB has a rating of 4.3.

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OnePlus 7
₹32,686
(Out of Stock)
OPPO K3 128GB
₹29,999
(Discontinued)
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Summary

Release Date

01 Jun, 2019
23 Jul, 2019
N/A

Performance

Snapdragon 855
Snapdragon 710
MediaTek Dimensity 8500 Extreme
Octa Core (upto 2.84 GHz)
Octa Core (upto 2.2 GHz)
Octa Core (upto 3.4 GHz)
6 GB RAM
8 GB RAM
12 GB RAM

Display

6.41 inches (16.28 cm)
6.5 inches (16.51 cm)
6.8 inches (17.27 cm)
Optic AMOLED
AMOLED
Extreme AMOLED
1080x2340 px (FHD+)
1080x2340 px (FHD+)
1272x2772 px (FHD+)
60 Hz Refresh Rate
N/A
144 Hz Refresh Rate

Rear Camera

48 MP
Wide Angle Primary Camera
16 MP
Primary Camera
50 MP
Primary Camera
5 MP
Depth Camera
2 MP
Depth Camera
50 MP
Ultra-Wide Angle Macro Camera
N/A
N/A
50 MP
Telephoto Camera (upto 3.5x Optical Zoom)

Front Camera

16 MP
16 MP
Wide Angle Lens
50 MP

Battery

3700 mAh
3765 mAh
6500 mAh
Dash Charging
20W VOOC Charging
90W Turbo Charging
No Wireless Charging
No Wireless Charging
Wireless Charging

Storage

128 GB
128 GB
256 GB
UFS 3.0
UFS 2.1
UFS 4.1

Expert Review

8.0/10
7.0/10
N/A

Pros

  • VFM flagship
  • Clean software
  • Excellent performance
  • Borrows most high-end features from the Pro model
  • Good-looking design
  • Capable rear cameras
  • Reliable performer
  • Device yet to be reviewed

Cons

  • Cameras could've been better
  • No 3.5mm dongle in the box
  • Not the best OnePlus phone money can buy
  • Portrait mode in selfie-camera could be better
  • Rear camera botches up the reds
  • Device yet to be reviewed

User Ratings

4.6/5
(40,297 ratings)
4.3/5
(7,270 ratings)
N/A

Benchmarks (The higher, the better)

369,292
AnTuTu Score
N/A
N/A
11h 05m
Battery Life (PC Mark)
15h 38m
Battery Life (PC Mark)
N/A

Video

Videos
8 More Videos
Videos
4 More Videos
There are no videos available for the device.

User Feedback

General

Launch Date

Jun 01, 2019
(Official)
N/A
Jun 04, 2026
(Expected)

Operating System

Android v9.0 (Pie)
Android v9.0 (Pie)
Android v16

OS Updates

N/A
N/A
3 Year

Security Updates

N/A
N/A
5 Year

Custom UI

Oxygen OS
ColorOS
N/A

Performance

Performance Rating

Very Good
Good
Excellent

Chipset

Qualcomm Snapdragon 855
Qualcomm Snapdragon 710
MediaTek Dimensity 8500 Extreme

Processor

Octa core

2.84 GHz, Single core, Kryo 485 2.42 GHz, Tri core, Kryo 485 1.8 GHz, Quad core, Kryo 485
Octa core

2.2 GHz, Dual core, Kryo 360 1.7 GHz, Hexa Core, Kryo 360
Octa core

3.4 GHz, Single core, Cortex A725 3.2 GHz, Tri core, Cortex A725 2.2 GHz, Quad core, Cortex A725

Architecture (The higher, the better)

64 bit
64 bit
64 bit

Fabrication (The lower, the better)

7 nm
10 nm
4 nm

Graphics (GPU)

Adreno 640
Adreno 616
Mali-G720 MP8

RAM

6 GB / 8 GB
6 GB / 8 GB
12 GB

RAM Type

LPDDR4X
LPDDR4X
LPDDR5X

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

369,292
N/A
N/A

Bootup Time (The lower, the better)

20.0 s
22.0 s
N/A

Gaming Test Results

Battery Drain* (The lower, the better)

9.0 %
7.0 %
N/A

Heating* (The lower, the better)

19.1 %
21.3 %
N/A
* after 30 mins of gaming

Display

Display Rating

Excellent
Best In Class
Best In Class

Display Type

Optic AMOLED
AMOLED
Extreme AMOLED

Screen Size

6.41 inches  (16.28 cm)
6.5 inches  (16.51 cm)
6.8 inches  (17.27 cm)

Resolution

1080x2340 px (FHD+)
1080x2340 px (FHD+)
1272x2772 px (FHD+)

Peak Brightness

N/A
N/A
5200 nits

Refresh Rate

60 Hz
N/A
144 Hz

Aspect Ratio

19.5:9
19.5:9
19.6:9

Pixel Density

402 ppi
396 ppi
450 ppi

Screen to Body Ratio (calculated)

85.32 %
84.47 %
92.08 %

Screen Protection

Corning Gorilla Glass v6
Corning Gorilla Glass v5
Corning Gorilla Glass Glass 7i

Bezel-less Display

Yes with waterdrop notch
Yes
Yes

HDR 10 / HDR+ Support

N/A
N/A
Yes HDR 10+

Screen to Body Ratio (claimed by the brand)

N/A
91.1 %
96.8 %

Design

Height

157.7 mm
161.2 mm
162.7 mm

Width

74.8 mm
76 mm
75.6 mm

Thickness

8.2 mm
9.4 mm
7.19 mm

Weight

182 grams
191 grams
190 grams

Build Material

Back: Gorilla Glass
Back: Plastic
Back: Plastic

Water Resistance

N/A
N/A
Yes Water resistant IP68 IP69

Ruggedness

N/A
N/A
Dust proof

Rear Camera

Rear Camera Rating

Very Good
Good
Excellent

Resolution

48 MP
Primary Camera2x Digital Zoomf/1.7 Wide Angle1/2.25" sensor size IMX586 Exmor-RS CMOS Sensor 0.8µm pixel size
16 MP
Primary Cameraf/1.7CMOS image sensor 1.22µm pixel size
50 MP
Primary Cameraf/1.812 mm focal length LYT 710 2.0µm pixel size
5 MP
f/2.4 Depth Camera1.12µm pixel size
2 MP
f/2.4 Depth Camera
50 MP
f/2.0 Ultra-Wide Angle Macro Camera12 mm focal length
N/A
N/A
50 MP
Telephoto Camera81 mm focal length

Autofocus

Yes Contrast Detection Autofocus
Yes Phase Detection autofocus
Yes

OIS

Yes
N/A
Yes

Flash

Yes Dual LED Flash
Yes LED Flash
Yes LED Flash

Image Resolution

8000 x 6000 Pixels
4616 x 3464 Pixels
N/A

Settings

Exposure compensation ISO control
Exposure compensation ISO control
N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)
Macro Mode

Camera Features

2 x Digital Zoom
Auto Flash
Face detection
Touch to focus
Digital Zoom
Auto Flash
Face detection
Touch to focus
Digital Zoom
Optical Zoom
Face detection
Filters

Video Recording

4k @30 fps
Full HD @60 fps
HD @480 fps
3840x2160 @ 30 fps
1920x1080 @ 30 fps
4k @30/60 fps
Full HD @30/60/120/240 fps

Video Recording Features

N/A
N/A
Dual Video Recording
Slow Motion
Video HDR
Macro Video
Audio Zoom

Front Camera

Front Camera Rating

Very Good
Very Good
Best In Class

Resolution

16 MP
f/2.0 Primary Camera1/3.1" sensor size Exmor RS 1µm pixel size
16 MP
f/2.0 Wide Angle Primary Camera26 mm focal length 1/3.1" sensor size CMOS 1µm pixel size
50 MP
f/1.9 Primary Camera

Camera Type

N/A
Pop-Up
N/A

Autofocus

N/A
N/A
Yes

Flash

Yes Screen flash
N/A
Yes Screen flash

Camera Features

Fixed Focus
N/A
N/A

Video Recording

Full HD @30 fps
1920x1080 @ 30 fps
4k @30/60 fps

Battery

Battery Rating

Very Good
Very Good
Excellent

Capacity

3700 mAh
3765 mAh
6500 mAh

Battery Type

Li-ion
Li-ion
Silicon Carbon

Quick Charging

Yes Dash Charging 50% in 30 minutes
Yes 20W VOOC Charging v3.0
Yes 90W Turbo Charging

Wireless Charging

N/A
N/A
Yes 15W Wireless Charging

Wireless Reverse Charging

N/A
N/A
Yes 5W Wireless Reverse Charging

Reverse Charging

N/A
N/A
Yes 5W Wired Reverse Charging

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

11h 05m
15h 38m
N/A

Charging Time (20% to 100%) (The lower, the better)

2h 13m 39s
1h 9m 24s
N/A

Storage

Internal Storage

128 GB / 256 GB
64 GB / 128 GB
256 GB

Storage Type

UFS 3.0
UFS 2.1
UFS 4.1

Expandable Storage

No
No
No

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano

Network Support

5G Not Supported 4G
5G Not Supported 4G
5G 4G

VoLTE

Yes
Yes
No

SIM 1

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26) / 700(band 29)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5)
5G Bands:
FDD N1 / N2 / N3 / N5 / N8 / N12 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78
N/A
N/A
4G Bands:
TD-LTE 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 3500(band 42)
FD-LTE 1700(band 66) / 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
View More

SIM 2

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26) / 700(band 29)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5)
5G Bands:
FDD N1 / N2 / N3 / N5 / N8 / N12 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78
N/A
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 3500(band 42) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 12) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26) / 1700(band 66)
View More

SAR Value

Head: 1.090 W/kg Body: 0.742 W/kg
N/A
N/A

Wi-Fi

Yes Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz MIMO
Yes Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Yes Wi-Fi 6E (802.11 a/b/g/n/ac/ax) 6GHz

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes v5.0
Yes v5.0
Yes v5.4

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass
Yes with Glonass

NFC

Yes
No
Yes

IR Blaster

N/A
N/A
No

Multimedia

Stereo Speakers

Yes
N/A
Yes

Audio Jack

USB Type-C
3.5 mm
USB Type-C

Audio Features

Dolby Atmos
Dolby Atmos
Dolby Atmos

Sensors

Fingerprint Sensor

Yes
Yes
Yes

Fingerprint Sensor Position

On-screen
On-screen
On-screen

Fingerprint Sensor Type

Optical
Optical
N/A

Other Sensors

Light sensor Proximity sensor Accelerometer Compass Gyroscope
Light sensor Proximity sensor Accelerometer Gyroscope
Light sensor Proximity sensor Accelerometer Gyroscope