Category Breakdown
vivo Y91
ZTE nubia Z17 miniS
Performance
61.470.5
Camera
19.138.1
Display
56.558.9
Battery
29.125.7
Build
83.677.0
Connectivity
52.565.5
Audio
8.98.9
Overall
39.343.1
Summary
- The vivo Y91 features a larger 6.22-inch IPS LCD display with a resolution of 720 x 1520 pixels, while the ZTE nubia Z17 miniS has a smaller 5.2-inch IPS LCD with a higher resolution of 1080 x 1920 pixels, resulting in a significantly sharper display.
- In terms of performance, the Y91 is powered by a Snapdragon 439 chipset with up to 3GB of RAM, whereas the nubia Z17 miniS utilizes a more powerful Snapdragon 653 with 6GB of RAM, offering better multitasking capabilities.
- Both phones have a dual rear camera setup with 13 MP sensors, but the nubia Z17 miniS can record video in 4K, while the Y91 is limited to 1080p.
- The Y91 has a larger 4030 mAh battery compared to the 3200 mAh in the nubia Z17 miniS, but the latter supports faster 18W charging.
- Build quality favors the nubia Z17 miniS with its glass back and aluminum frame, while the Y91 has a plastic back and frame.
- Finally, the Y91 runs on Android 8.1 with Funtouch 4.5, while the nubia Z17 miniS operates on Android 7.1 with nubia UI 5, indicating a more updated software experience for the Y91.
Side-by-side Specification Comparison
vivo Y91
ZTE nubia Z17 miniS
General
Release Date
2018
2017
Announced
2018
2017
Description
N/A
N/A
Display
Size
6.22"
5.2"
Type
IPS LCD
IPS LCD
Resolution
720 x 1520 pixels, 19:9 ratio (~270 ppi density)
1080 x 1920 pixels, 16:9 ratio (~424 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass 3
Performance
Chipset
Qualcomm SDM439 Snapdragon 439 (12 nm)
Qualcomm MSM8976 Pro Snapdragon 653 (28 nm)
CPU
Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
Octa-core (4x1.95 GHz Cortex-A72 & 4x1.4 GHz Cortex-A53)
GPU
Adreno 505
Adreno 510
Memory
16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM
64GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
13 MP, f/2.2, PDAF2 MP, f/2.4, (depth)
13 MP, f/2.2, 1/3.1", 1.12µm, PDAF2 MP, (depth)
Main Camera Features
LED flash, panorama
Dual-LED dual-tone flash, HDR
Front Camera
8 MP, f/1.8
N/A
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
4K@30fps, 1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4030 mAh
3200 mAh
Battery Details
4030 mAh, non-removable
Li-Po 3200 mAh, non-removable
Charging Details
N/A
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)
147.5 x 71.2 x 7.6 mm (5.81 x 2.80 x 0.30 in)
Weight
163.5 g
155 g
Materials
Glass front, plastic back, plastic frame
Glass front (Gorilla Glass 3), glass back, aluminum frame
Colors
Starry Black, Ocean Blue
Black Gold, Deep Blue, Aegean Blue
Foldable
✗
✗
SAR
1.28 W/kg (head) 0.61 W/kg (body)
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/100 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Bluetooth
4.2, A2DP, LE
4.1, A2DP, LE
NFC
✗
✓
USB
microUSB 2.0, OTG
USB Type-C
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No
Software & Security
Operating System
Android 8.1 (Oreo), Funtouch 4.5
Android 7.1 (Nougat), nubia UI 5
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass

