Original Resolution: 540x1440 Google Pixel phone comparison: Pixel 4, 4 XL vs. 4a, 4a 5G ... So, you can see that there are some key compromises made for the pixel 4a 5g, like a lack of wireless charging, a smaller battery compared with the pixel 5 (but larger than the standard pixel 4a), no water resistance, and a lower refresh rate.