Product
Oppo Reno4 Z 5G
Oppo Reno4 Z 5G
Apple iPhone 4s
Apple iPhone 4s
Battery
Charging 18W wired -
Stand-by - Up to 200 h (3G)
Talk time - Up to 8 h (3G)
Type Li-Po 4000 mAh Li-Po 1432 mAh, non-removable (5.3 Wh)
Body
Build - Glass front (Corning-made glass), glass back, stainless steel frame
Dimensions 163.8 x 75.5 x 8.1 mm (6.45 x 2.97 x 0.32 in) 115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in)
SIM Nano-SIM + Nano-SIM Micro-SIM
Weight 184 g (6.49 oz) 140 g (4.94 oz)
  - Scratch-resistant glass back panel
Comms
Bluetooth 5.1, A2DP, LE, aptX HD 4.0, A2DP, LE
NFC Yes -
Positioning GPS, GLONASS, GALILEO, BDS, QZSS GPS, A-GPS, GLONASS
Radio No No
USB USB Type-C 2.0, OTG 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 b/g/n, hotspot
Display
Protection Corning Gorilla Glass 3+ Corning Gorilla Glass, oleophobic coating
Resolution 1080 x 2400 pixels, 20:9 ratio (~401 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 6.57 inches, 104.2 cm2 (~84.3% screen-to-body ratio) 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Type IPS LCD, 120Hz, 480 nits (typ) IPS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2020, September 29 2011, October 04. Released 2011, October 14
Status Available. Released 2020, October 15 Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Quad 48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth) 2 MP, f/2.4, (depth) -
Single - 8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF
Video 4K@30fps, 1080p@30fps, gyro-EIS 1080p@30fps
Memory
Card slot No No
Internal 128GB 8GB RAM, 256GB 12GB RAM 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM
  UFS 2.1 -
Misc
Colors Ink Black, Dew White Black, White
Models CPH2065 A1431, A1387, iPhone4,1
SAR - 1.18 W/kg (head)     0.98 W/kg (body)    
SAR EU - 0.99 W/kg (head)     0.99 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 -
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G 3.5 Gbps DL HSPA 14.4/5.76 Mbps
Technology GSM / HSPA / LTE / 5G GSM / CDMA / HSPA / EVDO
  - CDMA2000 1xEV-DO
Our Tests
Battery (old) Endurance rating 78h -
Camera Photo / Video -
Display 1284:1 contrast ratio, 398 nits max brightness (measured) -
Loudspeaker -28.1 LUFS (Average) -
Performance AnTuTu: 295562 (v8) GeekBench: 2196 (v5.1) GFXBench: 16fps (ES 3.1 onscreen) -
Platform
Chipset Mediatek Dimensity 800 (7 nm) Apple A5 (45 nm)
CPU Octa-core (4x2.0 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) Dual-core 1.0 GHz Cortex-A9
GPU Mali-G57 MC4 PowerVR SGX543MP2
OS Android 10, upgradable to Android 11, ColorOS 11.1 iOS 5, upgradable to iOS 9.3.6
Selfie camera
Dual 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 2 MP, f/2.4, (depth) -
Features HDR -
Single - VGA, videocalling over Wi-Fi and 3G
Video 1080p@30fps 480p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  24-bit/192kHz Hi-Res audio -
Tests
Audio quality - Noise -91.2dB / Crosstalk -93.0dB
Battery (old) - Endurance rating 45h
Camera - Photo / Video
Display - Contrast ratio: 1261:1 (nominal) / 2.269:1 (sunlight)
Loudspeaker - Voice 65dB / Noise 64dB / Ring 74dB