OPPO Reno2 Z vs. OPPO A57s

Phone Comparison, Reviews and Tests

Side by side comparison and review of OPPO Reno2 Z and OPPO A57s. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

OPPO Reno2 Z vs. OPPO A57s Comparison Chart
DESIGN AND DIMENSIONS OPPO Reno2 Z OPPO A57s
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH2385
Form Factor Touch Touch
Height 161.8 mm 163.74 mm OPPO A57s has greater height than OPPO Reno2 Z.
Width 75.8 mm 75.03 mm OPPO Reno2 Z has greater width than OPPO A57s.
Depth 8.7 mm 7.99 mm OPPO A57s is narrower than OPPO Reno2 Z.
Weight 195 g 187 g OPPO A57s is lighter than OPPO Reno2 Z.
Body Colour Luminous black | Sky white Starry black
Body Material Corning Gorilla Glass 5 Composite polymer
Waterproof (Water-resistant) - - OPPO A57s is waterproof.
IP rating - IPX4
SAR Value 0.872 W/kg (head), 3.99 W/kg (limb), 1.282 W/kg (body) 1.015 W/kg (body), 0.957 W/kg (head), 2.399 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C
Handset jack - mini-phone 3.5mm
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY OPPO Reno2 Z OPPO A57s
Display Type OLED display LCD display
Display Technology AMOLED LCD
Screen Size (Display Size) 6.5" 6.56" OPPO A57s has larger screen size than OPPO Reno2 Z.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1612 x 720 pixels OPPO Reno2 Z has better screen resolution than OPPO A57s.
Display Format - HD+
Pixel Density 394 ppi 269 ppi OPPO Reno2 Z has better pixel density than OPPO A57s.
Aspect Ratio - 20.1:9
Max Brightness 430 cd/m² 600 cd/m² OPPO A57s has better display brightness than OPPO Reno2 Z.
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Contrast Ratio 60000:1 1500:1 OPPO Reno2 Z has better display contrast ratio than OPPO A57s.
Display Enhancement Technology OnCell technology -
Display Refresh Rate - 60 Hz
Touch Sampling Rate - 60 Hz
Display Features - Night mode, Eye comfort mode, 96% NTSC
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) Panda Glass MN228
PROCESSOR OPPO Reno2 Z OPPO A57s
Processor Type (CPU) MediaTek Helio P90 MediaTek Helio G35
Clock Speed - 2.3 GHz
Processor Core Qty - 8-core
Graphics System (GPU) IMG 9XM-HP8 IMG GE8320
MEMORY OPPO Reno2 Z OPPO A57s
RAM 8 GB LPDDR4X SDRAM - 4 GB OPPO Reno2 Z has more RAM than OPPO A57s.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA OPPO Reno2 Z OPPO A57s
MAIN CAMERA
Number of Main Cameras 4 2
Sensor Resolution 48 Megapixel 50 Megapixel OPPO A57s has better camera resolution than OPPO Reno2 Z.
Sensor Size 1/2" 1/2.76" OPPO A57s has better camera sensor size than OPPO Reno2 Z.
Sensor Name Sony Exmor RS IMX586 sensor Samsung S5KJN1
Lens Aperture F/1.7 F/1.8 OPPO Reno2 Z has better lens aperture than OPPO Reno2 Z.
Lens Construction 6-element 5-element
Field of View (FoV) - 77 degree(s)
Pixel Size 0.8 μm 0.64 μm OPPO Reno2 Z has larger camera pixel size than OPPO A57s.
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) - 27 mm
Digital Zoom 10x 5x OPPO Reno2 Z has better digital zoom than OPPO A57s.
Special Effects HDR Stickers
Camera Modes Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Professional mode, Night scene mode, Portrait Mode 2.0, Portrait bokeh mode Panorama, Time-lapse mode, Pro mode, Portrait, Night
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Electronic Image Stabiliser (EIS), NPU Acceleration -
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 2 Megapixel OPPO Reno2 Z has better second camera resolution than OPPO A57s.
Sensor Size (2nd Camera) 1/4.0" 1/5" OPPO A57s has better second camera sensor size than OPPO Reno2 Z.
Lens Type (2nd Camera) Wide-angle lens -
Lens Aperture (2nd Camera) F/2.2 F/2.4 OPPO Reno2 Z has better second camera lens aperture than OPPO Reno2 Z.
Lens Element Qty (2nd Camera) - 3-element
Field of View (2nd Camera) 119 degree(s) 89 degree(s) OPPO Reno2 Z has larger second camera lens field of view than OPPO A57s.
Pixel Size (2nd Camera) 1.12 μm 1.75 μm OPPO A57s has larger second camera pixel size than OPPO Reno2 Z.
Minimum Focal Length (2nd Camera) - 21 mm
Camera Functions (2nd Camera) - Monochrome
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel -
Lens Aperture (3rd Camera) F/2.4 -
Pixel Size (3rd Camera) 1.75 μm -
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
Lens Type (4th Camera) Bokeh lens -
Lens Aperture (4th Camera) F/2.4 -
FRONT CAMERA
Number of Front Cameras 1 1
Front Camera Design Pop-up -
Sensor Resolution (Front) 16 Megapixel 8 Megapixel OPPO Reno2 Z has better front camera resolution than OPPO A57s.
Sensor Size (Front) - 1/1.4"
Sensor Name (Front) - Omnivision OV08D10 sensor
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Lens Element Qty (Front) 5-element 5-element
Field of View (Front) - 79 degree(s)
Pixel Size (Front) - 1.12 μm
Focus Adjustment - Focus free
Min Focal Length (Front) - 26 mm
Special Effects (Front) Video bokeh effect Stickers
Camera Modes (Front) - Panorama, Time-lapse mode, Portrait
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
BATTERY AND CHARGING OPPO Reno2 Z OPPO A57s
Battery Capacity (Battery Size) 4000 mAh 5000 mAh OPPO A57s has larger battery capacity than OPPO Reno2 Z.
Fast Charging Technology VOOC Flash Charge technology 3.0 SuperVOOC Flash Charge technology Both phones have fast charging technology.
Standby Time - 304 hours
Talk Time - 1800 minutes
Run Time Details Gaming: up to 8 hrs
Playback (video): up to 13 hrs
Talk: up to 1800 min
Standby (4G): up to 304 hrs
Playback (video): up to 13.4 hrs
Playback (audio (via speakers, 50% volume)): up to 40 hrs
CELLULAR OPPO Reno2 Z OPPO A57s
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System ColorOS 6.1 (based on Android 9) ColorOS 12.1 (based on Android 12)
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS OPPO Reno2 Z OPPO A57s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE VoLTE, FDD-LTE, TDD-LTE, VoWiFi
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 800, 900, 800 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.3 BLE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA OPPO Reno2 Z OPPO A57s
Supported Digital Audio Standards - WAV, WMA, AAC, AMR, MP3, FLAC, AC-3, OGG, MIDI, APE (Monkey's Audio), LDAC, OPUS, MID, SBC, apt-X HD
Supported Digital Video Standards - MKV, FLV, AVI, MOV, ASF, 3GP, M4V, TS, M2TS, WebM, MP4
Sound Enhancements Dolby Atmos sound technology, Hi-Res audio Dirac sound technologies
FEATURES OPPO Reno2 Z OPPO A57s
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader (side)
Additional Phone Features Fingerprint 3.0, SLA Dual Channel Network 2.0 Noise reduction microphone, Fast Charging, 3 years of Security Updates, 2 years of OS upgrades, Cooling Graphite Thermal Pad, Reverse charging, super-linear dual speakers
OTHERS OPPO Reno2 Z OPPO A57s
Included Accessories Headset, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter
Compliant Standards - IPX4
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