Oppo A91
#2191
Oppo R15
#2401Category Breakdown
Oppo A91
Oppo R15
Performance
80.278.1
Camera
45.538.1
Display
76.680.2
Battery
29.026.5
Build
73.080.0
Connectivity
56.758.5
Audio
8.98.9
Overall
51.049.4
Summary
- The Oppo A91 features a larger 6.4-inch AMOLED display with a resolution of 1080 x 2400 pixels, compared to the 6.28-inch AMOLED display of the Oppo R15, which has a resolution of 1080 x 2280 pixels.
- In terms of performance, the A91 is powered by the Mediatek Helio P70 chipset, while the R15 uses the Helio P60, with the A91 offering slightly better processing capabilities.
- The A91's camera system includes a 48 MP main sensor, significantly outperforming the R15's 16 MP rear camera, although the R15 can record in 4K.
- The A91 has a larger 4025 mAh battery compared to the R15's 3450 mAh, both supporting 20W charging.
- Build quality differs as the A91 has a plastic back and frame, while the R15 features a glass back and aluminum frame, providing a more premium feel.
- Finally, the A91 runs on Android 9.0 with ColorOS 11, whereas the R15 operates on Android 8.1 with ColorOS 5, indicating a more updated software experience for the A91.
Side-by-side Specification Comparison
Oppo A91
Oppo R15
General
Release Date
2019
2018
Announced
2019, December 20
2018
Description
Versions: CPH2001, CPH2021 (International); PCPM00 (China)
N/A
Display
Size
6.4"
6.28"
Type
AMOLED, 430 nits (typ)
AMOLED
Resolution
1080 x 2400 pixels, 20:9 ratio (~408 ppi density)
1080 x 2280 pixels, 19:9 ratio (~401 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 5
Corning Gorilla Glass 5
Performance
Chipset
Mediatek MT6771V Helio P70 (12 nm)
Mediatek MT6771 Helio P60 (12 nm)
CPU
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
Mali-G72 MP3
Mali-G72 MP3
Memory
128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.3, 119˚ (ultrawide), 1/4.0", 1.12µm2 MP B/W, f/2.4, 1/5.0", 1.75µm2 MP, f/2.4, (depth)
16 MP, f/1.7, 1/2.6", 1.22µm, PDAF5 MP, f/2.2, (depth)
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
20 MP, f/2.0, (wide), 1/2.8", 1.0µm
Front Camera Features
HDR
N/A
Video Recording
1080p@30fps, gyro-EIS
4K@30fps, 1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4025 mAh
3450 mAh
Battery Details
Li-Po 4025 mAh, non-removable
Li-Po 3450 mAh, non-removable
Charging Details
20W wired, 50% in 30 min
20W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
160.2 x 73.3 x 7.9 mm (6.31 x 2.89 x 0.31 in)
155.1 x 75.2 x 7.4 mm (6.11 x 2.96 x 0.29 in)
Weight
172 g
175 g
Materials
Glass front (Gorilla Glass 5), plastic back, plastic frame
Glass front (Gorilla Glass 5), glass back, aluminum frame
Colors
Lightening Black, Unicorn White, Blazing Blue, Red
Hot Red, Snow White, Star Purple, Fantasy Pink
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / LTE
GSM / CDMA / HSPA / LTE
Network Speed
HSPA, LTE
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/100 Mbps
5G
✗
✗
4G
✓
✓
WiFi
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
Bluetooth
4.2, A2DP, LE
4.2, A2DP, LE, EDR
NFC
✗
✗
USB
USB Type-C 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 9.0 (Pie), upgradable to Android 11, ColorOS 11
Android 8.1 (Oreo), ColorOS 5
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass