Comparison between:
- Oppo A57
- Oppo F1s
- Vivo Y66

Brand and model

Information about the brand, model and model alias (if any) of a specific device.

Oppo A57Oppo F1sVivo Y66
Oppo A57
Prices
Oppo F1sVivo Y66
Model aliasF3 LiteA1601-

Design

Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.

Width72.9 mm
7.29 cm
0.239 ft
2.87 in
76 mm
7.6 cm
0.249 ft
2.992 in
75.79 mm
7.579 cm
0.249 ft
2.984 in
Height149.1 mm
14.91 cm
0.489 ft
5.87 in
154.5 mm
15.45 cm
0.507 ft
6.083 in
153.56 mm
15.356 cm
0.504 ft
6.046 in
Thickness7.65 mm
0.765 cm
0.025 ft
0.301 in
7.38 mm
0.738 cm
0.024 ft
0.291 in
7.49 mm
0.749 cm
0.025 ft
0.295 in
Weight147 g
0.32 lbs
5.19 oz
160 g
0.35 lbs
5.64 oz
157 g
0.35 lbs
5.54 oz
Volume83.15 cm³
5.05 in³
86.66 cm³
5.26 in³
87.17 cm³
5.29 in³
ColorsGold
Rose-gold
Gold
Gray
Rose-gold
Gold
Rose-gold
Body materialsPlasticMetalPlastic

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card typeNano-SIM
Nano-SIM / microSD
Nano-SIMNano-SIM
Number of SIM cards222
Features-Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

GSMGSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMACDMA 800 MHzCDMA 800 MHzCDMA 800 MHz
W-CDMA--W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
TD-SCDMATD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
-TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 2100 MHz
-
LTELTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 700 MHz (B28)
LTE 850 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)

Mobile network technologies and bandwidth

Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.

Mobile network technologiesUMTS
EDGE
GPRS
HSPA+
LTE Cat 7
EV-DO Rev. A
TD-SCDMA
TD-HSPDA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
EV-DO Rev. A
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
EV-DO Rev. A
TD-SCDMA
TD-HSDPA

Operating system

Operating system is the system software, which manages and controls the functioning of the hardware components of the device.

Operating system (OS)Android 6.0 MarshmallowColorOS 3.0 (Android 5.1.1 Lollipop)Funtouch 3.0 OS (Android 6.0.1 Marshmallow)

System on Chip (SoC)

A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.

SoCQualcomm Snapdragon 435 MSM8940MediaTek MT6750Qualcomm Snapdragon 430 MSM8937
Process technology28 nm28 nm28 nm
CPU4x 1.4 GHz ARM Cortex-A53, 4x 1.1 GHz ARM Cortex-A534x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A534x 1.4 GHz ARM Cortex-A53, 4x 1.1 GHz ARM Cortex-A53
CPU bits64 bit64 bit64 bit
Instruction setARMv8ARMv8-AARMv8
Level 1 cache memory (L1)-32 KB + 32 KB-
Level 2 cache memory (L2)-512 KB
0.5 MB
-
CPU cores888
CPU frequency1400 MHz1500 MHz1400 MHz
GPUQualcomm Adreno 505ARM Mali-T860 MP2Qualcomm Adreno 505
GPU cores-2-
GPU frequency-520 MHz-
RAM capacity3 GB3 GB
4 GB
3 GB
RAM typeLPDDR3LPDDR3LPDDR3
RAM channelsSingle channelSingle channelSingle channel
RAM frequency800 MHz667 MHz800 MHz

Storage

Every mobile device has a built-in storage (internal memory) with a fixed capacity.

Storage32 GB32 GB
64 GB
32 GB

Memory cards

Memory cards are used in mobile devices for expanding their external storage capacity.

TypesmicroSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC

Display

The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Type/technologyIPSIPSIPS
Diagonal size5.2 in
132.08 mm
13.21 cm
5.5 in
139.7 mm
13.97 cm
5.5 in
139.7 mm
13.97 cm
Width2.55 in
64.75 mm
6.48 cm
2.7 in
68.49 mm
6.85 cm
2.7 in
68.49 mm
6.85 cm
Height4.53 in
115.12 mm
11.51 cm
4.79 in
121.76 mm
12.18 cm
4.79 in
121.76 mm
12.18 cm
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution720 x 1280 pixels720 x 1280 pixels720 x 1280 pixels
Pixel density282 ppi
110 ppcm
267 ppi
104 ppcm
267 ppi
104 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area68.8 %71.25 %71.88 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 5
2.5D curved glass screen
Corning Gorilla Glass 4
2.5D curved glass screen
Corning Gorilla Glass 3
2.5D curved glass screen

Sensors

Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.

SensorsProximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
Compass
Fingerprint
Proximity
Light
Accelerometer
Fingerprint sensor model - Fingerprint Cards FPC1245Fingerprint sensor model - Fingerprint Cards FPC1245-

Rear camera

The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.

Sensor modelSony Exmor RSSony IMX258 Exmor RS-
Sensor typeCMOSCMOSCMOS
Sensor size-4.71 x 3.49 mm
0.23 in
-
Pixel size1.12 µm
0.001120 mm
1.133 µm
0.001133 mm
-
Crop factor-7.37-
ISO-100 - 1600-
Aperturef/2.2f/2.2f/2.2
Focal length and 35 mm equivalent-3.5 mm
25.81 mm *(35 mm / full frame)
-
Field of view79.8 °--
Number of lenses5--
Flash typeLEDDual LEDLED
Image resolution4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
Video resolution1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode

Front camera

Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.

Sensor model-Samsung S5K3P3-
Sensor type-ISOCELL-
Sensor size-4.74 x 3.56 mm
0.23 in
-
Pixel size-1.029 µm
0.001029 mm
-
Crop factor-7.29-
Aperturef/2f/2f/2.2
Focal length and 35 mm equivalent-3.5 mm
25.53 mm *(35 mm / full frame)
-
Field of view77.6 °--
Number of lenses5--
Image resolution4608 x 3456 pixels
15.93 MP
4608 x 3456 pixels
15.93 MP
2560 x 1920 pixels
4.92 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps

Audio

Information about the type of speakers and the audio technologies supported by the device.

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece

Radio

The radio in a mobile device is a built-in FM radio receiver.

RadioYesNoYes

Tracking/Positioning

Information about the positioning and navigation technologies supported by the device.

Tracking/PositioningGPS
A-GPS
GPS
A-GPS
GPS
A-GPS

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot
802.11b
802.11g
802.11n
Wi-Fi Hotspot

Bluetooth

Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.

Version4.14.04.0
FeaturesA2DPA2DPA2DP

USB

The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.

Connector typeMicro USBMicro USBMicro USB
Version2.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go

Headphone jack

The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.

Headphone jackYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Tethering
VoLTE

Browser

A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.

BrowserHTML
HTML5
CSS 3
HTML
HTML5
CSS 3
HTML
HTML5
CSS 3

Audio file formats/codecs

Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.

Audio file formats/codecsAAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV

Video file formats/codecs

Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.

Video file formats/codecs3GPP
AVI
Flash Video
MKV
QuickTime
MP4
WMV
Xvid
3GPP
AVI
H.263
H.264
MP4
WebM
Xvid
3GPP
AVI
H.263
H.264
MP4
WebM
Xvid

Battery

The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.

Capacity2900 mAh3075 mAh2930 mAh
TypeLi-IonLi-PolymerLi-Ion
2G talk time23 h
1380 min
1 days
-11 h
660 min
0.5 days
2G stand-by time300 h
18000 min
12.5 days
-280 h
16800 min
11.7 days
3G talk time23 h
1380 min
1 days
-11 h
660 min
0.5 days
3G stand-by time300 h
18000 min
12.5 days
-280 h
16800 min
11.7 days
Charger output power-5 V / 2 A5 V / 1.5 A
FeaturesNon-removableNon-removableNon-removable

Specific Absorption Rate (SAR)

The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.

Head SAR (EU)-1.601 W/kg-
Body SAR (EU)-1.046 W/kg-
 Oppo A57Oppo F1sVivo Y66