OPPO Reno Z vs. OPPO A57s

Phone Comparison, Reviews and Tests

Side by side comparison and review of OPPO Reno 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 Reno Z vs. OPPO A57s Comparison Chart
DESIGN AND DIMENSIONS OPPO Reno Z OPPO A57s
Product Type Smartphone Smartphone
Manufacturer Model Number CPH1979 CPH2385
Form Factor Touch Touch
Height 157.3 mm 163.74 mm OPPO A57s has greater height than OPPO Reno Z.
Width 74.9 mm 75.03 mm OPPO A57s has greater width than OPPO Reno Z.
Depth 9.1 mm 7.99 mm OPPO A57s is narrower than OPPO Reno Z.
Weight 186 g 187 g OPPO Reno Z is lighter than OPPO Reno Z.
Body Colour Jet black | Aurora purple Starry black
Body Material 3D glass Composite polymer
Waterproof (Water-resistant) - - OPPO A57s is waterproof.
IP rating - IPX4
SAR Value 0.932 W/kg (head), 3.99 W/kg (limb), 1.175 W/kg (body) 1.015 W/kg (body), 0.957 W/kg (head), 2.399 W/kg (limb)
Connector Type USB Type-C
Headset 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 Reno Z OPPO A57s
Display Type OLED display LCD display
Display Technology AMOLED LCD
Screen Size (Display Size) 6.4" 6.56" OPPO A57s has larger screen size than OPPO Reno Z.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1612 x 720 pixels OPPO Reno Z has better screen resolution than OPPO A57s.
Display Format - HD+
Pixel Density 402 ppi 269 ppi OPPO Reno Z has better pixel density than OPPO A57s.
Aspect Ratio - 20.1:9
Max Brightness - 600 cd/m²
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Contrast Ratio - 1500:1
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 Reno Z OPPO A57s
Processor Type (CPU) MediaTek Helio P90 MediaTek Helio G35
Clock Speed - 2.3 GHz
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - OPPO Reno Z has 64-bit architecture.
Graphics System (GPU) 9XM-HP8 IMG GE8320
MEMORY OPPO Reno Z OPPO A57s
RAM 4 GB LPDDR4X SDRAM - 4 GB Both phones have the same RAM size.
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, microSD, microSDXC - up to 1 TB
CAMERA OPPO Reno Z OPPO A57s
MAIN CAMERA
Number of Main Cameras 2 2
Sensor Resolution 48 Megapixel 50 Megapixel OPPO A57s has better camera resolution than OPPO Reno Z.
Sensor Size 1/2" 1/2.76" OPPO A57s has better camera sensor size than OPPO Reno Z.
Sensor Name Sony Exmor RS IMX586 sensor Samsung S5KJN1
Lens Aperture F/1.7 F/1.8 OPPO Reno Z has better lens aperture than OPPO Reno Z.
Lens Construction - 5-element
Field of View (FoV) - 77 degree(s)
Pixel Size - 0.64 μm
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) - 27 mm
Digital Zoom - 5x
Special Effects HDR Stickers
Camera Modes Time-lapse mode, Slow motion mode, Expert Mode, Backlit, Portrait, Pano mode, Dazzle Colour Mode, Ultra Night Mode 2.0 Panorama, Time-lapse mode, Pro mode, Portrait, Night
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Noise reduction, EIS video stabilisation, 4-in-1 resolution focus technology -
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 2 Megapixel OPPO Reno Z has better second camera resolution than OPPO A57s.
Sensor Size (2nd Camera) - 1/5"
Lens Aperture (2nd Camera) F/2.4 F/2.4 Both phones have the same second camera lens aperture.
Lens Element Qty (2nd Camera) - 3-element
Field of View (2nd Camera) - 89 degree(s)
Pixel Size (2nd Camera) - 1.75 μm
Minimum Focal Length (2nd Camera) - 21 mm
Camera Functions (2nd Camera) - Monochrome
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 8 Megapixel OPPO Reno 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
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) - 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
BATTERY AND CHARGING OPPO Reno Z OPPO A57s
Battery Capacity (Battery Size) 4035 mAh 5000 mAh OPPO A57s has larger battery capacity than OPPO Reno 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 - 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 Reno 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 (based on Android 9) ColorOS 12.1 (based on Android 12)
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS OPPO Reno 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 Wi-Fi 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 Reno 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 Surround Sound Dirac sound technologies
FEATURES OPPO Reno 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, gyro sensor, geomagnetic sensor Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader (side)
Additional Phone Features Protective O-Dot, Game Boost 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 Reno Z OPPO A57s
Included Accessories Headphones, power adapter, SIM card removal tool, cover, USB-C cable SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter
Compliant Standards TUV Rheinland IPX4
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