Google Pixel 9a vs OnePlus Ace 5 Ultra

Compared 2 smartphones : Google Pixel 9a Manufactured in April, 2025, with display 6.3 with chipsetGoogle Tensor G4, vs OnePlus Ace 5 Ultra, Manufactured in May, 2025 with chipsetMediaTek Dimensity 9400 Plus. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Google Pixel 9a
  • Lighter design: 186g vs 206g
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose OnePlus Ace 5 Ultra
  • Larger display: 6.83in
  • Higher pixel density: 450ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 6700mAh vs 5100mAh
  • Newer Bluetooth version: 5.4 vs 5.3
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Google Pixel 9a and OnePlus Ace 5 Ultra
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type POLED AMOLED
Size 6.3 in 6.83 in
Resolution 1080x2424 pixels 1264x2780 pixels
Aspect ratio 20:9 19.8:9
Pixel density 422 ppi 450 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes
Max brightness 2700 nits 1800 nits
HDR support Yes HDR10+ Yes Dolby Vision
Screen-to-body ratio 84.5 % 90.1 %
Features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 154.7 mm (6.09 in) 163.4 mm (6.43 in)
Width 73.3 mm (2.89 in) 77 mm (3.03 in)
Thickness 8.9 mm (0.35 in) 8.1 mm (0.32 in)
Weight 186 g (6.56 oz) 206 g (7.27 oz)
Water resistance IP68 IP65
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Metal Metal
Colors - White
- Black
- Red
- Purple
- Black
- Gray
- Blue
- Purple
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Google Pixel 9a
84.5 %
OnePlus Ace 5 Ultra
90.1 %

Performance

Testing Google Pixel 9a and OnePlus Ace 5 Ultra In benchmarks
Processor
Chipset Google Tensor G4 MediaTek Dimensity 9400 Plus
Max Frequency 3100 MHz 3730 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.92 (Cortex-A520)
- 3/2.6 (Cortex-A720)
- 1/3.1 (Cortex-X4)
- 4/2.4 (Cortex-A720)
- 3/3.3 (Cortex-X4)
- 1/3.73 (Cortex-X925)
Process Samsung TSMC
Transistor Size 4 nm 3 nm
Neural Processor Yes MediaTek NPU 890
Graphics Mali-G715 MP7 Mali-G925 Immortalis MP12
GPU Cores 896 1536
GPU Frequency 940 MHz 1612 MHz
FLOPS 1792 GFLOPS 4952.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Google Pixel 9a
1677
OnePlus Ace 5 Ultra
2677
Geekbench 6 (Multi-Core)
Google Pixel 9a
4067
OnePlus Ace 5 Ultra
8564
Geekbench 6 (Single-Core)16772677
Geekbench 6 (Multi-Core)40678564
Geekbench Compute (GPU)778424974
AnTuTu 10
AnTuTu 10
Google Pixel 9a
991079
OnePlus Ace 5 Ultra
3030235
CPU161737637488
GPU4648651365865
Memory191750503742
UX172727523140
NanoReview Score9910793030235

Memory

RAM
RAM Size 8 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 4200 MHz n/a
Channels 4 4
Storage
Storage Capacity- 128 GB
- 256 GB
256 GB
Storage TypeUFS 3.1UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 15
UI Skin Stock Android ColorOS 15

Battery

Volume 5100 mAh 6700 mAh
Max Charging Power 23 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (7.5 W) No
Reverse Charging n/a Yes
Fast Charging Yes (50% in 30 min) Yes (51% in 15 min)
Full Charge Time n/a 0:39 h

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Digital Digital
Flash Dual LED LED
Stabilization Optical Optical
8K Recording No No
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 240 fps (1080p)
Wide-angle lens 120 ° 112 °
Lenses count Standard: 50 MP
Ultra-wide: 13 MP
Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.7f/1.8
Focal length25 mm24 mm
Sensorn/aSony IMX906
Sensor size1/1.21/1.56
Pixel size0.8 μm1 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalOptical
Ultra-wide lens
Matrix13 MP8 MP
Aperturef/2.2f/2.2
Focal lengthn/a16 mm
Sensorn/aOmnivision OV08D10
Sensor size1/3.11/4.0
Pixel sizen/a1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 13 MP 16 MP
Photo resolution 4032x3024 pixels 4608x3456 pixels
Aperture f/2.2 f/2.4
Focal length 20 mm 23 mm
Sensor CMOS CMOS
Sensor size 1/3.1 1/3
Pixel size 1.12 μm 1 μm
Autofocus n/a No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes No
GPS - GPS
- GLONASS
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM Moden/aDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM/EDGE: Quad-band (850, 900, 1800, 1900 MHz)n/a
3G BandsUMTS/HSPA+/HSDPA 1, 2, 4, 5, 6, 8, 19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B17/B20/B25/B26/B28/B29/B30/B38/B41/B48/B66/B71)n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos No n/a

Other

Class Mid-range Flagship
Announced March, 2025 yr May, 2025 yr
Release Date April, 2025 yr May, 2025 yr
Launch Price ($) 499 n/a
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No Yes 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus Ace 5 Ultra the clear winner in this comparison.

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