The Vivo Y91i is among the most affordable mid-range smartphones coming from Vivo. The phone packs stunning body design with a notch and it also offers a Face ID for security.
As for the Ulefone S1 Pro, it’s among the affordable phone below $100 that you can buy right now. The phone also has a nice body design, but sadly, it lacks a fingerprint scanner.
We will try and compare the Vivo Y91i with the Ulefone S1 Pro to see which one will make a good budget phone.

Vivo Y91i
Vivo Y91i
Ulefone S1 Pro
Ulefone S1 Pro

Vivo Y91i VS Ulefone S1 Pro: Design Comparison

In terms of design, the Vivo Y91i wins the contest. Although they are both built and design with plastic, still the notch and small bezels on the Vivo phone gives it an edge. Apart from that, the Vivo Y91i measures 6.11 in x 2.96 in x 0.33 in and weighs 163 gram, while the Ulefone S1 Pro measures 70.7 mm x 148.6 mm x 9.55 mm and weigh 171 gram. The Vivo Y91i is shipped in Black and Blue colors, while the Ulefone S1 Pro is available in Black and Gold colors. Remember, none of them is equipped with a fingerprint sensor.

Vivo Y91i VS Ulefone S1 Pro: Display Comparison

Shifting on the screen aspect, the Vivo Y91i wisely pack a bigger screen display size of 6.22 inches with a resolution of 1520 x 720 Pixels and 270 PPI density, whereas the Ulefone S1 Pro has a smaller screen display size of 5.5 inches with a resolution of 480 x 960 Pixels and 195 PPI density. Both phones have IPS display panel with a 2.5D curved glass and a display protection. On the overall, the Vivo Y01i has the point.

Vivo Y91i VS Ulefone S1 Pro: Camera Comparison

The Vivo Y91i has a dual rear camera of 13 Megapixels f/2.2+ 2 Megapixels f/2.4 with an LED flash, while the Ulefone S1 Pro has a dual rear camera of 8 Megapixels + 5 Megapixels with dual LED flash. Both phones support 1080p@30fps video resolution. The Vivo Y91i has a front camera of 8 Megapixels with f/2.0 Aperture, and Face Recognition, while the Ulefone S1 Pro has a front camera of 2 Megapixels with Face recognition, f/2.2 Aperture, and Interpolated resolution – 5 MP features. The Vivo Y91i will take better photos than it’s rival.

Vivo Y91i VS Ulefone S1 Pro: Performance Comparison

The Vivo Y91i has a Qualcomm Snapdragon 439 chipset with an octa-core processor that clocked at a speed of 1.95 GHz, while the Ulefone S1 Pro has a Mediatek MT6739WA chipset with Quad-Core 1.3GHz processor. On the inside, the Vivo Y91i has a RAM of 2GB with inbuilt storage of 16GB, while the Ulefone S1 Pro has a RAM of 1GB with inbuilt storage of 16GB as well which you can still expand using micro SD card. Both phones run on Android 8.1 Oreo operating system and they have a support for 4G LTE network with other regulars.

Vivo Y91i VS Ulefone S1 Pro: Battery & Price Comparison

The Vivo Y91i has a nonremovable battery capacity of 4030 mAh with fast charging technology, while the Ulefone S1 Pro has a nonremovable battery capacity of 3000 mAh without fast charging technology. On the price, the Vivo Y91i will cost around $128, while the Ulefone S1 Pro will sell at a price of $79.

Buy Vivo Y91i & Pay On Delivery: View Offer On GearBest

Buy Ulefone S1 Pro & Pay On Delivery: View Offer On GearBest

Our Verdict:

From the specifications above, it’s obvious the Vivo Y91i will perform better than the Ulefone S1 Pro. Considering the price tags, the Ulefone S1 Pro has value for money. So, it will make a better alternative.

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