vivo S17vsUlefone Armor X31 Pro 5G

We compare these two popular phones to help you decide which one fits your needs and budget better.

vivo
vivo S17
S17
Processor:Qualcomm Snapdragon 778G+ (SM7325-AE)
RAM:8GB
Storage:256GB

Quick Stats

The Vivo S17 Pro's battery life is solid and sufficient for daily use, though not exceptional.
The Vivo S17 Pro boasts an impressive 6.78-inch 1.5K Super Retina Eye Protection screen with vibrant colors and high refresh rate.
The Vivo S17 Pro's camera system boasts unparalleled performance and features for a device of its class, overall.
The Vivo S17 Pro's performance meets expectations with smooth processing power and efficient cooling system handling demanding tasks easily always.
Ulefone
Ulefone Armor X31 Pro 5G
Armor X31 Pro 5G
Processor:MediaTek Dimensity 6300
RAM:8GB
Storage:256GB

Quick Stats

The Ulefone Armor X31 Pro 5G boasts an exceptional battery life, lasting up to three days with moderate usage.
The Ulefone Armor X31 Pro 5G's impressive display boasts high brightness, fast refresh rate, and scratch-resistant Corning Gorilla Glass.
The Ulefone Armor X31 Pro 5G boasts an impressive camera system with high-quality results in various lighting conditions.
The Mediatech 6300 chip provides decent performance, sufficient for daily usage and outdoor activities with a phone that can handle multiple tasks.
Key Differences

Processor Speed

Winner
vivo S17
2.50 GHz
Ulefone Armor X31 Pro 5G
2.40 GHz

RAM

Tie
vivo S17
8GB
Ulefone Armor X31 Pro 5G
8GB

Storage

Tie
vivo S17
256GB
Ulefone Armor X31 Pro 5G
256GB

Weight

Winner
vivo S17
186g
Ulefone Armor X31 Pro 5G
306g
Rank
vivo S17
Winner
#339
Ulefone Armor X31 Pro 5G
#566
Scores by Category
Rankings
Connectivity
vivo S17
#227
Winner
Ulefone Armor X31 Pro 5G
#378
Design
vivo S17
#183
Winner
Ulefone Armor X31 Pro 5G
#397
Display
vivo S17
#34
Winner
Ulefone Armor X31 Pro 5G
#613
Performance
vivo S17
#372
Winner
Ulefone Armor X31 Pro 5G
#609
Battery
vivo S17
#488
Winner
Ulefone Armor X31 Pro 5G
#679
Camera
vivo S17
#553
Ulefone Armor X31 Pro 5G
#259
Winner
item_phones_categoryId
vivo S17
#1
Tie
Ulefone Armor X31 Pro 5G
#1
Tie

Note: Lower rank number indicates a better position in category.

Specifications Comparison
Specification
vivo vivo S17
Ulefone Ulefone Armor X31 Pro 5G
Model
Qualcomm Snapdragon 778G+ (SM7325-AE)
MediaTek Dimensity 6300
CPU
1×Cortex, A78 2.5GHz + 3×Cortex, A78 2.4GHz+ 4xCortex, A55 1.8 GHz
2x2.4 GHz ARM Cortex, A76 +6x2.0 GHz ARM Cortex, A55
Type
Octa-Core
Octa-Core
Nanometer
6
6
Frequency
2.50
2.40
64 Bits
Yes
Yes
GPU
Adreno 642L 608MHz
Arm Mali-G57 MC2
RAM
8
8
Type
LPDDR4X RAM
LPDDR4X RAM
Capacity
256
256
Type
UFS Storage 2.2
N/A
SD slot
No
N/A
Fingerprint security
Yes, in screen
Yes, on the side
Fingerprint sensor
Yes
Yes
Proximity sensor
Yes
Yes
Light sensor
Yes
Yes
Accelerometer sensor
Yes
Yes
Compass sensor
Yes
Yes
Gyroscope sensor
Yes
Yes
Gravity sensor
Yes
N/A
Audio
N/A
N/A
Antutu Score
632216
406666
Antutu Version
Antutu v10
Antutu v10
Antutu Standing
Overall performance better than 79% of devices
Overall performance better than 69% of devices
Cooling system
No
No
Gaming buttons
No
No
Extras
N/A
N/A

Note: Highlighted specifications show differences between the two devices.

Pros and Cons

vivo S17

Strengths

The new color scheme brings a three-dimensional landscape charm
The soft light that glows at the front and back adds to the phone's beauty in any light environment
The Vivo S17 Pro has a excellent weight control, weighing only 188 grams
The phone features a 6.78-inch 1.5K super retina eye protection screen with impressive specs (2800 x 1260 resolution, 452 PPI)
The camera module on the S17 Pro is upgraded to a water mirror and cloud window design with a larger area and increased camera size
The phone's JN 150MP megapixel super light sensitive portrait lens supports ultra-wide angle, high-pixel advantages, and free zoom (0.8X-1x-2x)
The Vivo S17 Pro has fast charging support up to 80W and a large 4600mAh battery

Weaknesses

The phone still doesn't use stereo dual speakers
The router motor is cheap and not suitable for a high-end phone like the Vivo S17 Pro
The screen fingerprint recognition may be less popular among some users (especially beauty bloggers)

Ulefone Armor X31 Pro 5G

Strengths

The phone's design is sturdy and has excellent protection capability with IP68, IP69K, and military-grade certifications.
It can withstand extreme temperatures, falls, and has a waterproof and dustproof design.
The camera setup is impressive, with a 64MP main camera that takes high-quality photos in daylight and supports digital cropping to 2x focal length.
The phone has a 25MP infrared night vision camera that performs well at night and provides a unique tone and dynamic range during the day.
It has a large 6.56-inch LCD screen with a maximum brightness of 800 nits, providing an excellent display effect.
The phone comes with 8GB of RAM, 256GB of storage space, and supports memory expansion to 16GB, making it suitable for daily usage needs.

Weaknesses

The Mediatech 6300 chip is not as exciting compared to the previous models, with only a slight increase in frequency and no upgrade in architecture or process.
It may not be as fast as other smartphones with more powerful chips like Qualcomm 4 Gen 2.
The phone's weight of around 300g may be considered heavy for some users.
There is no headphone jack, which may be a drawback for some users who prefer wired audio.
Read Full Reviews

vivo S17

The Vivo S17 series has been updated with the release of new mobile phones, including the S17, S17T, and S17 Pro models. The latter boasts a refreshed design, featuring a "main mountain sea green" color scheme inspired by fashionable fluid vision. This aesthetic is complemented by a larger water mirror and cloud window camera module, with increased camera areas and a soft light ring situated below the lens. The S17 Pro features a 6.78-inch 1.5K super retina eye protection screen, which Vivo claims is the best in its series to date. The display boasts a new diamond-like pixel arrangement, supporting 10-bit color depth, 100Hz refresh rate, and a contrast ratio of 8 million:1. Additionally, the phone's weight has been optimized to just 188 grams. Under the hood, the S17 Pro is equipped with the Dimensity 8200 chip, up to 12GB RAM, and 512GB storage. It also features fast charging at 80W and a 4600mAh battery. The camera capabilities have been upgraded with a JN150MP megapixel super light-sensitive portrait lens, supporting AF automatic focus and allowing for improved selfie experiences. The phone's temperature performance is within expectations, measuring around 43°C during testing. While some may complain about the retained router motor and single speaker setup, these issues can be overlooked by those who prioritize selfies and portraits. Overall, the Vivo S17 Pro offers a compelling package of design innovation, portrait shooting capabilities, and technological advancements, making it a solid choice for beauty enthusiasts and smartphone users seeking an upgrade.

Ulefone Armor X31 Pro 5G

The Ulefone Armor X31 Pro 5G is a rugged smartphone designed for outdoor enthusiasts and professionals. With its IP68, IP69K, and MIL-STD-810G certifications, this phone can withstand harsh environments, including water, dust, extreme temperatures, and drops. The device features a 64MP main camera, 25MP infrared night vision camera, and a 6.56-inch 120Hz LCD screen with 800nits brightness. Powered by the Mediatech MT6300 chip, this phone can handle multiple apps and daily usage needs. With 8GB RAM, 256GB storage, and microSD card expansion up to 2TB, the Ulefone Armor X31 Pro 5G is a reliable companion for outdoor adventures.

Need help choosing?

Read our detailed reviews to understand which device is better for your specific needs and budget.

Read vivo S17 ReviewRead Ulefone Armor X31 Pro 5G Review

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