Home Phone comparison Google Pixel 9a and Google Pixel 4 - Which is better?

Google Pixel 9a vs Google Pixel 4

76 out 100
Google Pixel 9a
VS
50 out 100
Google Pixel 4
Google Pixel 9a
Google Pixel 4

Compared 2 smartphones : Google Pixel 9a Manufactured in April, 2025, with display 6.3 with chipsetGoogle Tensor G4, vs Google Pixel 4, Manufactured in November, 2019 with chipsetQualcomm Snapdragon 855. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Google Pixel 9a
  • Larger display: 6.3in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5100mAh vs 2800mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Supports newer USB: 3.2 vs 3.1
  • Supports DisplayPort
  • Fingerprint scanner
Reasons to choose Google Pixel 4
  • Higher pixel density: 444ppi
  • Lighter design: 162g vs 186g
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB		 - 6/64 GB
- 6/128 GB

Review

Key Specs Google Pixel 9a and Google Pixel 4
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.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Google Pixel 9a
vs
Google Pixel 4

Display

Display quality comparison
Type POLED POLED
Size 6.3 in 5.7 in
Resolution 1080x2424 pixels 1080x2280 pixels
Aspect ratio 20:9 19:9
Pixel density 422 ppi 444 ppi
Refresh rate 120 Hz 90 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max brightness 2700 nits 450 nits
HDR support Yes HDR10+ Yes HDR10
Screen-to-body ratio 84.5 % 80.1 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Google Pixel 9a
n/a
Google Pixel 4
437 nits
sRGB gamutn/a95.5 %
PWM (Flicker)n/a367 Hz
Response timen/a2.4 ms
Contrastn/a∞ Infinite
Sources: NotebookCheck [Google Pixel 4]

Design & Build

Design and ergonomics comparison
Height 154.7 mm (6.09 in) 147.1 mm (5.79 in)
Width 73.3 mm (2.89 in) 68.8 mm (2.71 in)
Thickness 8.9 mm (0.35 in) 8.2 mm (0.32 in)
Weight 186 g (6.56 oz) 162 g (5.71 oz)
Water resistance IP68 IP68
Back panel Plastic Glass
Frame Metal Metal
Colors - White
- Black
- Red
- Purple		 - White
- Black
- Orange
Fingerprint sensor Yes In-Display No
Screen-to-body ratio
Google Pixel 9a
84.5 %
Google Pixel 4
80.1 %

Performance

Testing Google Pixel 9a and Google Pixel 4 In benchmarks
Processor
Chipset Google Tensor G4 Qualcomm Snapdragon 855
Max Frequency 3100 MHz 2840 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)		 - 4/1.8 (Cortex-A55 (Kryo 485 Silver))
- 3/2.42 (Cortex-A76 (Kryo 485 Gold))
- 1/2.84 (Cortex-A76 (Kryo 485 Gold))
Process Samsung TSMC
Transistor Size 4 nm 7 nm
Neural Processor Yes Hexagon 690
Graphics Mali-G715 MP7 Adreno 640
GPU Cores 896 768
GPU Frequency 940 MHz 585 MHz
FLOPS 1792 GFLOPS 898.5 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Google Pixel 9a
1677
Google Pixel 4
895
Geekbench 6 (Multi-Core)
Google Pixel 9a
4067
Google Pixel 4
2602
Geekbench 6 (Single-Core)1677895
Geekbench 6 (Multi-Core)40672602
Geekbench Compute (GPU)7784n/a
Sources: Geekbench v6 [Google Pixel 9a]
AnTuTu 10
AnTuTu 10
Google Pixel 9a
991079
Google Pixel 4
565573
CPU161737178561
GPU464865153977
Memory19175086156
UX172727146879
NanoReview Score991079565573
3DMark Wild Life
3DMark Wild Life
Google Pixel 9a
n/a
Google Pixel 4
3045
Max Surface Temp.n/a39 °C
Stabilityn/a79 %
Graphics Testn/a18 fps
Graphics Scoren/a3045
Sources: 3DMark [Google Pixel 4]
PCMark 3.0
PCMark 3.0
Google Pixel 9a
n/a
Google Pixel 4
10599
Writing scoren/a12868
Web scoren/a7173
Video editingn/a7062
Data manipulationn/a8856
NanoReview Scoren/a10599

Memory

RAM
RAM Size 8 GB 6 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 4200 MHz 2133 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 64 GB
- 128 GB
Storage TypeUFS 3.1UFS 2.1
Memory CardNoNo

Software

OS Android 15 Android 10 (Upgradeable to Android 13)
OS Size n/a 9.55 GB
UI Skin Stock Android n/a

Battery

Volume 5100 mAh 2800 mAh
Max Charging Power 23 W 18 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging Yes (7.5 W) Yes (11 W)
Reverse Charging n/a No
Fast Charging Yes (50% in 30 min) Yes (50% in 30 min)
Full Charge Time n/a 1:20 h
Battery Life Test
Battery Life
Google Pixel 9a
n/a
Google Pixel 4
13:56
Web Browsingn/a05:06 h
Video Playbackn/a08:59 h
Gamesn/a03:32 h
Standby Moden/a68 h

Main camera

Matrix 48 MP 122 MP
Photo resolution 8000x6000 pixels 4000x3000 pixels
Zoom Digital Optical, 2x
Flash Dual LED LED
Stabilization Optical Optical
8K Recording No No
4K Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 240 fps (720p)
Wide-angle lens 120 ° 119 °
Lenses count Standard: 50 MP
Ultra-wide: 13 MP		 Standard: 12.2 MP
Telephoto: 16 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP122 MP
Aperturef/1.7f/1.7
Focal length25 mm28 mm
Sensorn/aSony IMX363
Sensor size1/1.21/2.55
Pixel size0.8 μm1.4 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrixn/a16 MP
Aperturen/af/2.4
Focal lengthn/a45 mm
Sensorn/aSony IMX481
Sensor sizen/a1/3.09
Pixel sizen/a1 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix13 MPn/a
Aperturef/2.2n/a
Sensor size1/3.1n/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Google Pixel 9a
n/a
Google Pixel 4
117
Video quality
Google Pixel 9a
n/a
Google Pixel 4
101
Overall camera score
Google Pixel 9a
n/a
Google Pixel 4
112
Sources: DxOMark [Google Pixel 4]

Front camera

Matrix 13 MP 8 MP
Photo resolution 4032x3024 pixels 3264x2448 pixels
Aperture f/2.2 f/2.0
Focal length 20 mm 22 mm
Sensor CMOS CMOS
Sensor size 1/3.1 n/a
Pixel size 1.12 μm 1.22 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
Selfie camera DxOMark results
Photo quality
Google Pixel 9a
n/a
Google Pixel 4
116
Video quality
Google Pixel 9a
n/a
Google Pixel 4
136

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 3.2 3.1
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes n/a
GPS - GPS
- GLONASS
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM Moden/aDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoNo
2G BandsGSM/EDGE: Quad-band (850, 900, 1800, 1900 MHz)GSM 700 / 800 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600 / 2300 / 2500 / 5200 / 3500 / 600
3G BandsUMTS/HSPA+/HSDPA 1, 2, 4, 5, 6, 8, 19UMTS 850 / 900 / 1700 / 1900 / 2100
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)LTE (B600/B700/B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600/B3500/B5200)
LTE categoryn/a18
5G SupportYesNo

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos No Yes
Speaker Test
Max Volume
Google Pixel 9a
n/a
Google Pixel 4
85.6 dB

Other

Class Mid-range Flagship
Announced March, 2025 yr October, 2019 yr
Release Date April, 2025 yr November, 2019 yr
Launch Price ($) 499 799
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Face Sensor
Charger Included No n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Google Pixel 9a the clear winner in this comparison.

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