Nothing Phone (3a) vs Xiaomi 15 Pro

Nothing Phone (3a)

Nothing

Very Good

Xiaomi 15 Pro

Xiaomi

8.5

Excellent

What Reviewers Agree On

The camera system is extraordinary for the price — a telephoto lens at $349 is genuinely unprecedented in the budget segment
Nothing OS delivers the most charming and distinctive software experience in the budget category, with minimal bloat
The 5,000mAh battery provides excellent two-day endurance with light use and easy all-day life with heavy use
The transparent design with Glyph lighting makes it the most visually distinctive phone at any price, let alone $349
Value proposition is outstanding — no competitor matches its camera versatility and software quality at this price

Deal Breakers

Only IP54 splash resistance — no submersion protection, which several competitors offer at this price
Mono speaker is a noticeable downgrade from stereo speakers found on budget competitors like the Pixel 9a

Detailed Comparison

Display

Nothing Phone (3a)

The 6.7-inch AMOLED with 120Hz refresh rate delivers vivid colors and smooth performance that belies the budget price.

The 6.7-inch AMOLED panel with 120Hz is bright, vivid, and responsive — you'd never guess this is a $349 phone from the display alone
Peak brightness is adequate for outdoor use but falls short of flagship-level phones — direct sunlight readability is good but not exceptional
Colors are accurate in the default profile with excellent contrast — HDR content looks surprisingly good on this panel

Xiaomi 15 Pro

The 6.73-inch 2K LTPO AMOLED is a technical marvel, hitting 3,200 nits peak brightness while consuming 24% less power than the Xiaomi 14 Pro's display. The 1920Hz PWM dimming reduces eye strain, though some users report OLED smear at low brightness levels.

3,200 nits peak brightness with 24% lower power consumption than the predecessor — outstanding efficiency
2K resolution (2670x1200) with 120Hz LTPO and 1920Hz PWM dimming for reduced eye strain

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What Reviewers Agree On

Snapdragon 8 Elite delivers top-tier performance with excellent thermal management
Battery life is class-leading thanks to the 6,100mAh silicon-carbon cell and efficient display
Display quality is outstanding with 3,200 nits brightness and remarkable power efficiency
Camera system is good but not best-in-class — ultrawide is the weakest lens
China-only availability is a significant limitation for global buyers

Deal Breakers

No global availability — Chinese ROM only with no Google services out of the box
HyperOS described as bloated with unnecessary apps
Bootloader cannot be unlocked on Chinese ROM versions

Camera

Nothing Phone (3a)

The standout feature — a triple camera system with 50MP telephoto at $349 that no budget competitor can match.

A 50MP telephoto with 2x optical zoom at $349 is unprecedented — no budget phone offers a dedicated zoom lens, and the results are genuinely impressive
The 50MP main sensor produces detailed, well-exposed photos with natural colors that compete with phones costing twice as much
Low-light photography is adequate but expectedly falls behind Pixel's computational processing — noise is more visible in dim conditions
Video recording at 4K30 is solid with decent stabilization, though the lack of 4K60 is a limitation some users will notice

Xiaomi 15 Pro

The triple 50MP Leica Summilux system delivers solid results with a standout 5x periscope telephoto. The main sensor with f/1.44 aperture handles most scenarios well, and AI Zoom makes 20x digital shots usable. However, the ultrawide is the clear weak link, and the system can't quite match the Vivo X200 Pro's imaging prowess.

5x periscope telephoto (120mm) delivers sharp, detailed results up to 10x — AI Zoom usable at 20x
Main 50MP sensor with f/1.44 aperture and Leica color science produces pleasing, natural-looking images
Ultrawide camera (50MP JN1) is the weakest lens — frequently criticized by users as noticeably below main and telephoto quality
Camera scored 82% on NotebookCheck — the lowest individual category score, behind the Vivo X200 Pro

Performance

Nothing Phone (3a)

The Snapdragon 7s Gen 3 with 8GB RAM handles everyday tasks smoothly, though it shows its limits with demanding gaming.

Day-to-day performance is smooth and responsive — apps open quickly, multitasking is adequate, and Nothing OS animations are fluid
Casual gaming runs well, but demanding titles like Genshin Impact need reduced settings for a smooth experience
8GB RAM ensures good app retention for moderate multitasking, though heavy users may notice occasional reloads

Xiaomi 15 Pro

The Snapdragon 8 Elite (3nm) delivers a 44% single-core improvement over the previous generation and manages thermals better than most competitors. NotebookCheck awarded a 99% application performance score, placing it among the fastest phones available.

Snapdragon 8 Elite achieves Geekbench 6 single-core of 3,157 — a 44.4% leap over Snapdragon 8 Gen 3
Better thermal management and sustained performance than competitors like the Oppo Find X8 Pro
Some throttling under prolonged heavy gaming loads, though managed better than peers