Google Pixel 6 vs Pixel 4a

70 out of 100
Google Pixel 6
VS
53 out of 100
Google Pixel 4a

Here we compared two smartphones: the 6.4-inch Google Pixel 6 (with Google Tensor) that was released on October 19, 2021, against the Google Pixel 4a, which is powered by Qualcomm Snapdragon 730G and came out 15 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Google Pixel 6
  • Waterproof body (IP68 classification)
  • 2.3x better performance in AnTuTu Benchmark (720K versus 316K)
  • Comes with 1474 mAh larger battery capacity: 4614 vs 3140 mAh
  • Has a 0.59 inch larger screen size
  • Higher display refresh rate – 90 Hz
  • Better camera quality (According to DxOMark rating)
  • Shows 12% longer battery life (30:01 vs 26:51 hours)
  • Handles wireless charging up to 21W
  • Newer Bluetooth version (v5.2)
  • Uses a faster type of memory: LPDDR5 3200 MHz
  • Has an ultra-wide angle camera lens
  • Has 33% more RAM: 8GB versus 6GB
Reasons to consider the Google Pixel 4a
  • Has 2 SIM card slots
  • Weighs 64 grams less
  • Better grip in hands – the body is 5.4 mm narrower
  • Includes a 3.5 mm headphone audio jack port

Review

Evaluation of Google Pixel 6 and Pixel 4a crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
NanoReview Score
Final comparison evaluation
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.
Adjust priorities
Feature
Priority (Weight)
Display:
Camera:
Performance:
Gaming:
Battery Life:
Connectivity:
The higher the priority, the more it will affect the final NanoReview score.

Value for money

You can enter your local prices of these phones (in USD or other currency) and click on the "Calculate" button to see which one has a better value for money.
VS

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type OLED OLED
Size 6.4 inches 5.81 inches
Resolution 1080 x 2400 pixels 1080 x 2340 pixels
Aspect ratio 20:9 19.5:9
PPI 411 ppi 443 ppi
Refresh rate 90 Hz 60 Hz
Adaptive refresh rate No No
Max rated brightness 500 nits 700 nits
Max rated brightness in HDR 800 nits -
HDR support Yes, HDR10+ Yes, HDR10
Screen protection Gorilla Glass Victus Corning Gorilla Glass 3
Screen-to-body ratio 83.4% 83.3%
Display features - DCI-P3
- Always-On Display
- Always-On Display
Display tests
RGB color space 99.8% 95.3%
PWM 397 Hz 255 Hz
Response time 5 ms 6.2 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
Pixel 6 +6%
844 nits
798 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 158.6 mm (6.24 inches) 144 mm (5.67 inches)
Width 74.8 mm (2.94 inches) 69.4 mm (2.73 inches)
Thickness 8.9 mm (0.35 inches) 8.2 mm (0.32 inches)
Weight 207 g (7.3 oz) 143 g (5.04 oz)
Waterproof IP68 No
Rear material Glass Plastic
Frame material Metal Plastic
Colors Black, Blue, Yellow Black
Fingerprint scanner Yes, in-display Yes, rear
Screen-to-body ratio
83.4%
83.3%

Performance

Tests of Google Pixel 6 and Google Pixel 4a in the benchmarks
SoC
Chipset Google Tensor Qualcomm Snapdragon 730G
Max clock 2800 MHz 2200 MHz
CPU cores 8 (2 + 2 + 4) 8 (2 + 6)
Architecture - 4 cores at 1.8 GHz: Cortex A55
- 2 cores at 2.25 GHz: Cortex A76
- 2 cores at 2.8 GHz: Cortex-X1
- 6 cores at 1.8 GHz: Kryo 470 Silver (Cortex-A55)
- 2 cores at 2.2 GHz: Kryo 470 Gold (Cortex-A76)
L3 cache 4 MB -
Lithography process 5 nanometers 8 nanometers
Graphics Mali-G78 MP20 Adreno 618
GPU clock 848 MHz 825 MHz
FLOPS - ~422 GFLOPS

Benchmarks

Geekbench 5 (Single-Core)
Pixel 6 +85%
1020
550
Geekbench 5 (Multi-Core)
Pixel 6 +75%
2888
1650
AnTuTu Benchmark 9
Pixel 6 +128%
720896
316201
CPU 187698 101186
GPU 298218 79209
Memory 100887 59587
UX 137683 78244
Total score 720896 316201
3DMark Wild Life Performance
Pixel 6 +537%
6385
1003
Max surface temperature 42.1 °C 41.4 °C
Stability 56% 99%
Graphics test 38 FPS 6 FPS
Graphics score 6385 1003
Web score 7576 -
Video editing 6351 -
Photo editing 17599 -
Data manipulation 10314 -
Writing score 15163 -
Sources: 3DMark [3], [4]

Memory

RAM
RAM size 8 GB 6 GB
Memory type LPDDR5 LPDDR4X
Memory clock 3200 MHz 2133 MHz
Channels 4 2
Storage
Storage size 128, 256 GB 128 GB
Storage type UFS 3.1 UFS 2.1
Memory card No No

Software

Operating system Android 12 (Can be upgraded to Android 13) Android 10 (Can be upgraded to Android 13)
ROM Stock Android Stock Android
OS size 17.6 GB 15 GB

Battery

Capacity 4614 mAh 3140 mAh
Max charge power 30 W 18 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging Yes (21 W) No
Reverse charging Yes, (wireless) No
Fast charging Yes (41% in 30 min) Yes (50% in 25 min)
Full charging time 1:53 hr 1:27 hr
Battery life tests
Web browsing 08:58 hr 08:45 hr
Watching video 16:38 hr 11:16 hr
Gaming 05:24 hr 04:05 hr
Standby 92 hr 99 hr
General battery life
Pixel 6 +12%
30:01 hr
26:51 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 50 megapixels 12.2 megapixels
Image resolution 8192 x 6144 4000 x 3000
Zoom Digital Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording No No
4K video recording Up to 60FPS Up to 30FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 240 FPS (1080p) 120 FPS (1080p)
Angle of widest lens 114° -
Lenses 2 (50 MP + 12 MP) 1 (12.2 MP)
Wide (main) lens - 50 MP
- Aperture: f/1.9
- Focal length: 25 mm
- Pixel size: 1.2 micron
- Sensor: 1/1.31", Samsung GN1 (ISOCELL Plus CMOS)
- Laser autofocus
- Optical stabilization
- 12.2 MP
- Aperture: f/1.7
- Focal length: 27 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Sony IMX363 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
Ultra-wide lens - 12 MP
- Aperture: f/2.2
- Focal length: 17 mm
- Pixel size: 1.12 micron
-
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Samples Photo samples of Google Pixel 6 from DxOMark Photo samples of Google Pixel 4a from DxOMark
Selfie camera
Megapixels 8 megapixels 8 megapixels
Image resolution 3840 x 2160 3264 x 2448
Aperture f/2.0 f/2.0
Focal length 24 mm 24 mm
Pixel size 1.12 microns 1.12 microns
Sensor type CMOS CMOS
Sensor size - 1/2.8"
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

DxOMark camera tests

Photo quality
Pixel 6 +11%
136
122
Video quality
Pixel 6 +36%
133
Generic camera score
Pixel 6 +14%
126
111

Connectivity

Wi-Fi standard 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 5.2 5.1
Bluetooth features LE, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 3.1 3.1
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo, QZSS GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 1 2
Type of SIM card Nano Nano
Multi SIM mode - Standby
eSIM support* Yes Yes
Hybrid slot No No
LTE Cat* 20 15
5G support Yes No

Sound

Speakers Stereo Stereo
Headphone audio jack No Yes
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness
86.3 dB
86 dB

Other

Category Flagship Mid-range
Announced October 2021 August 2020
Release date October 2021 October 2020
SAR (head) - 1.37 W/kg
SAR (body) - 1.39 W/kg
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included -
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Google Pixel 6 is definitely a better buy.

Cast your vote

So, which phone would you choose?
26 (55.3%)
21 (44.7%)
Total votes: 47

User opinions

You can share your opinion or ask a question in the comments below
Avatar
Pixel User 06 December 2021 22:51
The Pixel 6 is a bit on the heavy side and the rear rectangular camera is a bit odd. The Pixel 4a is a good general-purpose Android that will serve the needs of most users. Plus there is no need to jump on the 5G bandwagon until the coverage improves.
+8 Reply
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