Between the OnePlus 13R and Pixel 9a, the OnePlus 13R comes out ahead in wired charging and antutu, while the Pixel 9a wins on weight and water resistance. Overall, the OnePlus 13R scores 71.3 and the Pixel 9a scores 63.2 on our Mars Score.
Which should you buy?
The OnePlus 13R is the clear pick on raw spec strength, leading by 8.1 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the OnePlus 13R if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are wired charging, antutu, ram, among others.
Pick the Pixel 9a if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, water resistance, promised os updates, among others.
Both ship with comparable refresh rate, 5g support, optical image stabilization, so those specs don't separate the two — focus on the differences below.
Bottom line: the OnePlus 13R is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why OnePlus 13R wins
- ▲Wired charging — 247.83% more. 80 W vs 23 W.
- ▲AnTuTu — 67.74% more. 2080000 vs 1240000.
- ▲RAM — 50.00% more. 12 GB vs 8 GB.
- ▲Front camera — 23.08% more. 16 MP vs 13 MP.
- ▲Battery capacity — 17.65% more. 6000 mAh vs 5100 mAh.
- ▲Screen size — 7.62% more. 6.78 " vs 6.3 ".
- ▲Pixel density — 6.64% more. 450 ppi vs 422 ppi.
- ▲Main camera — 4.17% more. 50 MP vs 48 MP.
Why Google - Pixel 9a wins
- ▲Weight — 20.00 g less. 186 vs 206.
- ▲Water resistance: IP68 (vs IP65).
- ▲Promised OS updates: 7 (vs 4).
- ▲Wireless charging: 7.5 W vs 0 W.
Spec comparison
Design
| Spec | OnePlus 13R | Google - Pixel 9a |
|---|---|---|
| Weight | 206 g | 186 glead |
| Thickness | 8.0 mmlead | 8.9 mm |
| Water resistanceⓘ | IP65 | IP68lead |
| Form factor | bar | bar |
Display
| Spec | OnePlus 13R | Google - Pixel 9a |
|---|---|---|
| Screen sizeⓘ | 6.78 "lead | 6.3 " |
| Pixel densityⓘ | 450 ppilead | 422 ppi |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 4500 nitslead | 2700 nits |
Performance
Cameras
| Spec | OnePlus 13R | Google - Pixel 9a |
|---|---|---|
| Main cameraⓘ | 50 MPlead | 48 MP |
| Front camera | 16 MPlead | 13 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | OnePlus 13R | Google - Pixel 9a |
|---|---|---|
| Battery capacity | 6000 mAhlead | 5100 mAh |
| Wired chargingⓘ | 80 Wlead | 23 W |
| Wireless chargingⓘ | 0 W | 7.5 Wlead |
Connectivity
| Spec | OnePlus 13R | Google - Pixel 9a |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | OnePlus 13R | Google - Pixel 9a |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 4 years | 7 yearslead |
Frequently asked
Which has better battery, OnePlus 13R or Pixel 9a?+
OnePlus 13R has 17.6% more battery — 6000 mAh vs 5100 mAh.
Which is lighter, OnePlus 13R or Pixel 9a?+
Pixel 9a is 20g lighter — 206g vs 186g.
Is OnePlus 13R waterproof?+
OnePlus 13R has an IP65 rating.
Does Pixel 9a support 5G?+
Yes, Pixel 9a supports 5G.
Which has more RAM, OnePlus 13R or Pixel 9a?+
OnePlus 13R offers 12GB of RAM.
Which has a better camera, OnePlus 13R or Pixel 9a?+
OnePlus 13R has a 50 MP main camera vs 48 MP.
Spec-level deep dives
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