Oppo Reno Z vs Oppo A31

Phones Images

PHONES
Phone Names	Oppo Reno Z	Oppo A31

Network
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 2100 - International
4G bands	1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 39, 40, 41	1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International
Speed	HSPA, LTE	HSPA, LTE
Technology	GSM / CDMA / HSPA / EVDO / LTE	GSM / HSPA / LTE
	CDMA2000 1xEV-DO	1, 3, 5, 7, 8, 38, 40, 41 - Asia

Launch
Announced	2019, May. Released 2019, June	2020, February 13. Released 2020, February 14
Status	Discontinued	Discontinued

Body
Build	Glass front (Gorilla Glass 5), glass back, plastic frame	Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions	157.3 x 74.9 x 9.1 mm (6.19 x 2.95 x 0.36 in)	163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in)
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM
Weight	186 g (6.56 oz)	180 g (6.35 oz)

Display
Protection	Corning Gorilla Glass 5	Corning Gorilla Glass 3
Resolution	1080 x 2340 pixels, 19.5:9 ratio (~402 ppi density)	720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size	6.4 inches, 101.0 cm2 (~85.8% screen-to-body ratio)	6.5 inches, 102.0 cm2 (~82.4% screen-to-body ratio)
Type	AMOLED, HDR10	IPS LCD, 480 nits (typ)

Platform
CPU	Octa-core (2x2.2 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Chipset	Mediatek MT6779 Helio P90 (12 nm)	Mediatek MT6765V/CB Helio P35 (12 nm)
GPU	PowerVR GM9446	PowerVR GE8320
OS	Android 9.0 (Pie), planned upgrade to Android 10, ColorOS 7.0	Android 9.0 (Pie), ColorOS 6.1

Memory
Card slot	No	microSDXC (dedicated slot)
Internal	128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM	64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
	UFS 2.1	eMMC 5.1

Main Camera
Dual	48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF Auxiliary lens	-
Features	Dual-LED flash, HDR, panorama	LED flash, HDR, panorama
Single	8 MP, AF	-
Triple	-	12 MP, f/1.8, (wide), 1/2.86", 1.25µm, PDAF 2 MP (macro) Auxiliary lens
Video	4K@30fps, 1080p@30/60/120fps (gyro-EIS)	1080p@30fps

Selfie camera
Features	HDR	HDR
Single	32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm	8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Video	1080p@30fps	1080p@30fps

Sound
3.5mm jack	Yes	Yes
35mm jack	Yes	Yes
Loudspeaker	Yes, with stereo speakers	Yes
	24-bit/192kHz audio	-

Comms
Bluetooth	5.0, A2DP, EDR, LE, aptX HD	5.0, A2DP, LE
NFC	Yes	No
Positioning	GPS, GLONASS, GALILEO, BDS	GPS, GLONASS, BDS
Radio	FM radio	FM radio
USB	USB Type-C, OTG	microUSB 2.0, OTG
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Features
Browser	HTML	-
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Battery
Charging	20W wired	-
Stand-by	Up to 360 h (2G) / Up to 435 h (3G)	-
Talk time	Up to 6 h 40 min (2G) / Up to 5 h 30 min (3G)	-
Type	Li-Po 4035 mAh, non-removable	Li-Po 4230 mAh

Misc
Colors	Jet Black, Aurora Purple - EuropeStar Purple, Extreme Night Black, Coral Orange, Bead White - China	Fantasy White, Mystery Black, Lake Green
Models	PCDM10, CPH1979	CPH2015, CPH2073, CPH2081, CPH2029, CPH2031
Price	About 330 EUR	About 490 EUR

Tests
Audio quality	Noise -86.6dB / Crosstalk -86.8dB	-
Camera	Photo / Video	-
Loudspeaker	Voice 67dB / Noise 65dB / Ring 74dB	-