The Pixel 9a and Pixel 9 Pro XL are two distinct models from Google, each offering unique features and display capabilities.
Pixel 9a
The Pixel 9a features a 6.3-inch pOLED display with a resolution of 1080 x 2424 pixels. This display is capable of reaching a peak brightness of 2,700 nits, which is significantly brighter than its predecessor, the Pixel 8a, which had a peak brightness of 2,000 nits[1][2][7]. The increased brightness makes the Pixel 9a more suitable for use in bright sunlight. Additionally, the display supports HDR10+ and has a variable refresh rate of 60 to 120Hz, enhancing both visual quality and battery efficiency[2][7].Pixel 9 Pro XL
In contrast, the Pixel 9 Pro XL boasts a larger 6.8-inch OLED display with a higher resolution of 1,344 x 2,992 pixels. This premium model achieves a peak brightness of 3,000 nits, surpassing the Pixel 9a and many other smartphones in terms of display brightness[3][5][8]. The Pixel 9 Pro XL's display is designed to provide exceptional visibility even in direct sunlight, making it ideal for outdoor use[4][5]. The display also features an adaptive refresh rate that ranges from 1Hz to 120Hz, contributing to smoother visuals and better power management[5].Overall, both devices offer impressive display capabilities, but the Pixel 9 Pro XL stands out with its higher peak brightness and larger, higher-resolution screen.
Citations:
[1] https://www.phonearena.com/news/pixel-9a-is-official_id168590
[2] https://9to5google.com/2025/03/19/google-pixel-9a-announcement-hands-on/
[3] https://www.gsmarena.com/google_pixel_9_pro_xl-review-2738p3.php
[4] https://www.androidheadlines.com/google-pixel-9-pro-xl-review
[5] https://www.pcmag.com/reviews/google-pixel-9-pro-xl
[6] https://www.tomsguide.com/phones/google-pixel-phones/google-pixel-9-vs-pixel-9-pro
[7] https://www.engadget.com/mobile/smartphones/heres-how-the-pixel-9a-compares-to-the-competition-141043690.html
[8] https://www.gsmarena.com/google_pixel_9_pro-review-2745p3.php
[9] https://store.google.com/product/pixel_9_specs
[10] https://www.pcmag.com/comparisons/google-pixel-9a-vs-pixel-9-whats-the-difference
[11] https://www.dxomark.com/google-pixel-9-pro-xl-display-test/