Samsung Galaxy S20 Ultra vs Google Pixel 4a

71 out of 100

54 out of 100

Here we compared two smartphones: the 6.9-inch Samsung Galaxy S20 Ultra (with Exynos 990) that was released on February 11, 2020, against the Google Pixel 4a, which is powered by Qualcomm Snapdragon 730G and came out 6 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Differences
Review
Specs
Benchmarks
Battery life
Camera
Comments

Key differences

An overview of the main advantages of each smartphone

Reasons to consider the Samsung Galaxy S20 Ultra

Waterproof body (IP68 classification)
The rear camera has a 4x optical zoom
Higher display refresh rate – 120 Hz
Comes with 1860 mAh larger battery capacity: 5000 vs 3140 mAh
2x better performance in AnTuTu Benchmark (711K versus 359K)
Has a 1.09 inches larger screen size
Handles wireless charging up to 15W
Expandable storage via MicroSD card up to 1000GB
Supports higher wattage charging (45W versus 18W)
Slow-motion recording at 960FPS
Uses a faster type of memory: LPDDR5 3200 MHz
Compatible with Wi-Fi 6 wireless networks
Delivers 11% higher peak brightness (897 against 805 nits)

Reasons to consider the Google Pixel 4a

Newer Bluetooth version (v5.1)
Weighs 77 grams less
Better grip in hands – the body is 6.6 mm narrower
Includes a 3.5 mm headphone audio jack port
The phone is 6-months newer

Review

Evaluation of Samsung Galaxy S20 Ultra and Google Pixel 4a crucial features

Display

Screen quality, color accuracy, brightness

Type	Dynamic AMOLED	OLED
Size	6.9 inches	5.81 inches
Resolution	1440 x 3200 pixels	1080 x 2340 pixels
Aspect ratio	20:9	19.5:9
PPI	511 ppi	443 ppi
Refresh rate	120 Hz	60 Hz
Adaptive refresh rate	No	No
Max rated brightness	800 nits	700 nits
HDR support	Yes, HDR10+	Yes, HDR10
Screen protection	Corning Gorilla Glass 6	Corning Gorilla Glass 3
Screen-to-body ratio	89.9%	83.3%
Display features	- DCI-P3 - Always-On Display	- Always-On Display

RGB color space	99.2%	95.3%
PWM	240 Hz	255 Hz
Response time	6.2 ms	6.2 ms
Contrast	∞ Infinity	∞ Infinity

Height	166.9 mm (6.57 inches)	144 mm (5.67 inches)
Width	76 mm (2.99 inches)	69.4 mm (2.73 inches)
Thickness	8.8 mm (0.35 inches)	8.2 mm (0.32 inches)
Weight	220 g (7.76 oz)	143 g (5.04 oz)
Waterproof	IP68	No
Advanced cooling	Vapor chamber	-
Rear material	Glass	Plastic
Frame material	Metal	Plastic
Colors	Black, Gray	Black
Fingerprint scanner	Yes, in-display	Yes, rear

Chipset	Samsung Exynos 990	Qualcomm Snapdragon 730G
Max clock	2730 MHz	2200 MHz
CPU cores	8 (2 + 2 + 4)	8 (2 + 6)
Architecture	- 4 cores at 2 GHz: Cortex-A55 - 2 cores at 2.5 GHz: Cortex-A76 - 2 cores at 2.73 GHz: Exynos M5	- 6 cores at 1.8 GHz: Kryo 470 Silver (Cortex-A55) - 2 cores at 2.2 GHz: Kryo 470 Gold (Cortex-A76)
L3 cache	2 MB	-
Lithography process	7 nanometers	8 nanometers
Graphics	Mali-G77 MP11	Adreno 618
GPU shading units	704	256
GPU clock	800 MHz	825 MHz
FLOPS	~1126 GFLOPS	~422.4 GFLOPS

CPU	202750	115287
GPU	219003	70626
Memory	130201	78602
UX	157575	92505
Total score	711852	359268

Max surface temperature	38.6 °C	41.4 °C
Stability	53%	99%
Graphics test	25 FPS	6 FPS
Graphics score	4319	1003

Web score	8802	-
Video editing	6175	-
Photo editing	31559	-
Data manipulation	8779	-
Writing score	12443	-

RAM size	12, 16 GB	6 GB
Memory type	LPDDR5	LPDDR4X
Memory clock	3200 MHz	2133 MHz
Channels	2	2

Storage size	128, 512 GB	128 GB
Storage type	UFS 3.0	UFS 2.1
Memory card	MicroSD	No
Memory card max size	Up to 1000 GB	-

Operating system	Android 10.0 (Can be upgraded to Android 13)	Android 10 (Can be upgraded to Android 13)
ROM	One UI 4.1	Stock Android
OS size	23.7 GB	15 GB

Capacity	5000 mAh	3140 mAh
Max charge power	45 W	18 W
Battery type	Li-Ion	Li-Po
Replaceable	No	No
Wireless charging	Yes (15 W)	No
Reverse charging	Yes, (wireless)	No
Fast charging	Yes (100% in 80 min)	Yes (50% in 25 min)
Full charging time	1:20 hr	1:27 hr

Battery life tests
Web browsing	08:26 hr	08:45 hr
Watching video	11:53 hr	11:16 hr
Gaming	04:13 hr	04:05 hr
Standby	93 hr	99 hr

Main camera
Matrix	108 megapixels	12.2 megapixels
Image resolution	12032 x 9204	4000 x 3000
Zoom	Optical, 4x	Digital
Flash	LED	Dual LED
Stabilization	Optical	Optical
8K video recording	Up to 24FPS	No
4K video recording	Up to 60FPS	Up to 30FPS
1080p video recording	Up to 60FPS	Up to 60FPS
Slow motion	960 FPS (720p)	120 FPS (1080p)
Angle of widest lens	120°	-
Lenses	4 (108 MP + 48 MP + 12 MP + 0.3 MP)	1 (12.2 MP)
Wide (main) lens	- 108 MP - Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/1.33", Samsung Bright S5KHM1 (ISOCELL CMOS) - Phase autofocus (Dual Pixel) - 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
Telephoto lens	- 48 MP - Aperture: f/3.5 - Focal length: 103 mm - Pixel size: 0.8 micron - Sensor: 1/2", Sony IMX586 (CMOS) - Phase autofocus - Optical stabilization	-
Ultra-wide lens	- 12 MP - Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.4 micron	-
Depth lens	- 0.3 MP - Aperture: f/1.0 - Pixel size: 5 micron	-
Camera features	- Bokeh mode - Pro mode - RAW support	- Bokeh mode - Pro mode - RAW support
Samples	-	Photo samples of Google Pixel 4a from DxOMark

Selfie camera
Megapixels	40 megapixels	8 megapixels
Image resolution	7864 x 5200	3264 x 2448
Aperture	f/2.2	f/2.0
Focal length	26 mm	24 mm
Pixel size	0.7 microns	1.12 microns
Sensor type	CMOS	CMOS
Sensor size	1/2.65"	1/2.8"
Video resolution	2160p (4K) at 60 FPS	1080p (Full HD) at 30 FPS

Wi-Fi standard	Wi-Fi 6 (802.11 b/g/n/ac/ax)	Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features	- Wi-Fi Direct - Wi-Fi Display	- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display
Bluetooth version	5	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	GPS, GLONASS, Beidou, Galileo, QZSS
NFC *	Yes	Yes
Infrared port	No	No

Number of SIM *	2	2
Type of SIM card	Nano	Nano
Multi SIM mode	Standby	Standby
eSIM support *	Yes	Yes
Hybrid slot	Yes	No
LTE Cat *	22	15
5G support	Yes	No

Speakers	Stereo	Stereo
Headphone audio jack	No	Yes
FM radio	No	No
Dolby Atmos	Yes	Yes

Category	Flagship	Mid-range
Announced	February 2020	August 2020
Release date	March 2020	October 2020
SAR (head)	0.32 W/kg	1.37 W/kg
SAR (body)	1.56 W/kg	1.39 W/kg
Sensors	- Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint	- Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint

Samsung Galaxy S20 Ultra vs Google Pixel 4a

Samsung Galaxy S20 Ultra vs Google Pixel 4a

Key differences

Review

Value for money

Tests and specifications

Display

Design and build

Performance

Benchmarks

Memory

Software

Battery

Camera

DxOMark camera tests

Connectivity

Sound

Other

Conclusion