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The Nothing Phone (3a) Lite is the stronger fit if you want a sharper AMOLED display and an ultra-wide rear camera; the vivo Y51 Pro 5G prioritizes a larger stated battery, faster rated charging, and higher advertised water-and-dust protection. In the price snapshot displayed by 91mobiles, the vivo listing was ₹4,259 higher, but those are marketplace prices rather than guaranteed current or directly equivalent official prices.

At a glance: key differences

Specification Nothing Phone (3a) Lite vivo Y51 Pro 5G
Display 6.77-inch AMOLED, 1080 × 2392, 120Hz 6.75-inch LCD, 1570 × 720, up to 120Hz
Processor MediaTek Dimensity 7300 Pro MediaTek Dimensity 7360-Turbo
Rear cameras 50MP main, 8MP ultra-wide, 2MP macro 50MP + 2MP
Front camera 16MP 8MP
Battery and charging 5000mAh and 33W listed 7200mAh typical and 44W
Storage configurations listed 8GB/128GB 8GB/128GB and 8GB/256GB
Dust and water protection IP54 listed IP68/IP69 advertised by vivo
Software listed Android 15 / Nothing OS; Nothing’s page names Nothing OS 3.5 Android 16 / OriginOS
Weight listed 199g 219g

The specification comparison is from 91mobiles. vivo’s official India store confirms its display size and resolution, processor, camera setup, battery, charging, and weight on its Y51 Pro 5G listing. The figures describe specifications, not independent performance tests.

Display: Nothing has the sharper, higher-resolution panel

Both phones are listed with displays around 6.7 inches and refresh rates up to 120Hz, but the panel types and resolutions differ. The Nothing Phone (3a) Lite’s AMOLED screen is listed at 1080 × 2392; the vivo Y51 Pro 5G’s LCD is listed at 1570 × 720. On those published specifications, Nothing offers substantially more resolution and an AMOLED panel. Resolution and panel type do not establish brightness, outdoor readability, color accuracy, or viewing quality in practice.

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Cameras: Nothing adds an ultra-wide lens

The Nothing comparison lists three rear cameras: a 50MP main camera, an 8MP ultra-wide, and a 2MP macro. vivo lists a 50MP + 2MP rear setup and an 8MP front camera; the comparison lists a 16MP front camera for Nothing. The extra ultra-wide option gives Nothing a listed camera type that vivo’s published setup does not include. Megapixel counts and camera count alone cannot predict image quality, so treat this as a difference in listed versatility rather than proof that one takes better photos.

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Nothing Phone (3) Cell Phone, 5G Unlocked Phones 512GB, Android 15, Snapdragon 8s Gen4, AI Mobile Phones with Four 50MP Cameras & AMOLED Display, 5150mAh, Glyph Interface, Smartphone Black
  • Ultra-high Performance Chipset: This cell phone is equipped with a powerful and efficient Snapdragon 8s Gen 4 chip, using 4nm technology and a full-core 3.2GHz CPU, supporting 24GB LPDDR5X memory + UFS 4.0 flash memory, and equipped with an AI engine, with comprehensive performance upgrades.
  • Revolutionary 50MP Quad Camera System: This smartphone is equipped with All 50MP four camera system: Including a Main Camera, a Periscope, an Ultra-wide Camera, and a ultra-clear Front Camera; this cell phone support Ultra XDR 4K video, Auto Tone, Portrait Optimiser, Motion Capture Mode, Night Mode; Whether you're a photographer, vlogger, or social media enthusiast, with the pro-grade camera system and AI enhancements, this Nothing phone can ensure every shot is masterpiece-ready.
  • One-Touch Control, AI-Powered Organization:ESSENTIAL KEY: A new button on the side of your device.Press once to capture your screen, long-press to record voice and ideas, and double-press to access Essential Space; ESSENTIAL SPACE: Everything in one place, organised the way you want it to be,AI mobile phones helps organise your captures, generating suggestions, and staying on top of what matters; Explore more AI features, Let AI enrich your life
  • GLYPH INTERFACE: Where Light Speaks; The Glyph Matrix transforms your phone into an interactive playground—smart animations turn notifications, tools, and games into living light experiences; NFC: An animation comes to life when NFC is triggered; Glyph Button: Quick-tap to browse Glyph Toys, long-press to launch—from utilities to games; Smarter Alerts: Notifications now speak in light and sound, blending visuals with meaning; Beyond illumination; This is interaction, redefined.
  • Larger and Brighter FHD Display: 6.67" FHD+ 1.5K AMOLED flex screen with 1.07B colors & 120Hz adaptive refresh for ultra-smooth visuals; Vs Nothing Phone (2)/(3a): Phone (3) boasts 181.2% brighter (4500 nits), 16.7% sharper (460 PPI), and 316% faster touch response (1000Hz); IP68-rated—tough enough for any adventure.

Battery and charging: vivo has the larger stated capacity

vivo specifies a 7200mAh typical-capacity battery and 44W charging. 91mobiles lists 5000mAh and 33W for the Nothing phone. Those ratings favor vivo on stated capacity and charging power, but they do not establish how long either phone lasts in everyday use or how long a full charge takes; those outcomes depend on usage and charging conditions. vivo’s product page describes the battery as a “7200 mAh Battery with AI Sleep Mode for Extended Life”; that is manufacturer wording, not an independent endurance result.

Protection and weight: vivo rates higher, Nothing is lighter

91mobiles lists IP54 for Nothing and vivo advertises IP68/IP69 for the Y51 Pro 5G. These are different protection ratings, not a guarantee that either phone is damage-proof. vivo cautions that water resistance can degrade over time, instructs users to dry the USB port before connecting or charging, and limits the conditions for underwater photography. Follow the manufacturer’s care instructions rather than treating the rating as permission for unrestricted water use.

The same comparison lists Nothing at 199g and vivo at 219g; vivo’s store also specifies 219g. The Nothing phone is therefore the lighter of the two by the listed figures.

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Software and update support

The comparison lists Android 15 with Nothing OS for Nothing and Android 16 with OriginOS for vivo. Nothing’s official India product page identifies Nothing OS 3.5. The reviewed product pages do not establish a comparable software-update support duration for these models, so the version labels alone should not be read as evidence that one will receive updates for longer.

Price difference: compare the same channel and configuration

In the snapshot displayed by 91mobiles, the Amazon price shown for the Nothing Phone (3a) Lite was ₹28,240 and the Amazon price shown for the vivo Y51 Pro 5G was ₹32,499. That makes the vivo listing ₹4,259 higher in that snapshot. These are time-sensitive marketplace listings, not fixed prices; seller, stock, configuration, and price can change.

Separately, vivo’s India E-Store listed the Y51 Pro 5G 8GB/128GB in Noble Gold at ₹34,999 inclusive of taxes and marked that selected configuration unavailable. The store also lists an 8GB/256GB option. Nothing’s official India product page showed an 8GB/128GB selection and a Flipkart link, but no price in the captured page. The official-store vivo amount and the 91mobiles Amazon listings are different channels and should not be combined as a like-for-like price comparison. Check the live listing, seller, stock status, and exact memory variant before buying.

Which phone should you choose?

Choose the Nothing Phone (3a) Lite if

  • You prefer the listed AMOLED display at 1080 × 2392 over an LCD at 1570 × 720.
  • You want an ultra-wide rear camera in addition to main and macro cameras.
  • You value the lower listed weight.

Consider the vivo Y51 Pro 5G if

  • You prioritize its 7200mAh typical battery specification and 44W rated charging.
  • You want the higher advertised IP68/IP69 rating and are prepared to follow vivo’s water-care guidance.
  • You need the listed 8GB/256GB storage option, which is not shown for the Nothing phone in the reviewed pages.

Before deciding, compare the current prices for the same sales channel and memory configuration. For software longevity, real battery endurance, and camera results, the specifications here do not provide comparable independent tests or an established support-duration comparison.

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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.