In depth comparison and review of Samsung Galaxy S20 Ultra 5G and Google Pixel 4a. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Samsung Galaxy S20 Ultra 5G | Google Pixel 4a |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G988B/DS | G025J | |
| Form Factor | Touch | Touch | |
| Height | 166.9 mm | 144 mm | Samsung Galaxy S20 Ultra 5G has greater height than Google Pixel 4a. |
| Width | 76 mm | 69.4 mm | Samsung Galaxy S20 Ultra 5G has greater width than Google Pixel 4a. |
| Depth | 8.8 mm | 8.2 mm | Google Pixel 4a is narrower than Samsung Galaxy S20 Ultra 5G. |
| Weight | 220 g | 143 g | Google Pixel 4a is lighter than Samsung Galaxy S20 Ultra 5G. |
| Body Colour | Cosmic black | Cosmic grey | Cloud white | Just black | |
| Body Material | - | Polycarbonate | |
| Protection | Dustproof, splashproof, water-resistant | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S20 Ultra 5G is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 1.557 W/kg (body), 0.66 W/kg (head) | 1.19 W/kg (body), 1.18 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Single-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Samsung Galaxy S20 Ultra 5G | Google Pixel 4a |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | OLED | |
| Screen Size (Display Size) | 6.9" | 5.8" | Samsung Galaxy S20 Ultra 5G has larger screen size than Google Pixel 4a. |
| Screen Resolution (Display Resolution) | 3200 x 1440 pixels | 2340 x 1080 pixels | Samsung Galaxy S20 Ultra 5G has better screen resolution than Google Pixel 4a. |
| Display Format | QHD+ | Full HD+ | |
| Pixel Density | 511 ppi | 443 ppi | Samsung Galaxy S20 Ultra 5G has better pixel density than Google Pixel 4a. |
| Aspect Ratio | - | 19.5:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 100000:1 | |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10+ | - | |
| Display Refresh Rate | 120 Hz | - | |
| Display Features | Edge Screen, DCI-P3 Wide colour gamut, AOD(Always On Display), Edge Lighting | Always-on display, Now Playing, True black level, display with transmissive hole | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy S20 Ultra 5G | Google Pixel 4a |
|---|
| Processor Type (CPU) | Samsung Exynos 990 | Qualcomm Snapdragon 730 | |
|---|---|---|---|
| Clock Speed | 2.73 GHz | 2.2 GHz | Samsung Galaxy S20 Ultra 5G has higher clock speed than Google Pixel 4a. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 618 |
| MEMORY | Samsung Galaxy S20 Ultra 5G | Google Pixel 4a |
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| RAM | LPDDR5 SDRAM - 12 GB | LPDDR4X SDRAM - 6 GB | Samsung Galaxy S20 Ultra 5G has more RAM than Google Pixel 4a. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | 104 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 1 TB | - |
| CAMERA | Samsung Galaxy S20 Ultra 5G | Google Pixel 4a |
|---|
| MAIN CAMERA |
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| Number of Main Cameras | 4 | 1 | |
|---|---|---|---|
| Sensor Resolution | 108 Megapixel | 12.2 Megapixel | Samsung Galaxy S20 Ultra 5G has better camera resolution than Google Pixel 4a. |
| Sensor Size | 1/1.33" | - | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.8 | F/1.7 | Google Pixel 4a has better lens aperture than Samsung Galaxy S20 Ultra 5G. |
| Field of View (FoV) | 79 degree(s) | 77 degree(s) | Samsung Galaxy S20 Ultra 5G has larger lens field of view than Google Pixel 4a. |
| Pixel Size | 0.8 μm | 1.4 μm | Google Pixel 4a has larger camera pixel size than Samsung Galaxy S20 Ultra 5G. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Optical Zoom | 10x | - | |
| Digital Zoom | 100x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR, Bokeh effect, Grid Line, Motion photos, video bokeh effect | Blur | |
| HDR Mode | - | HDR+ | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video, Night, Mountain, Pro Video mode, Single Take | Portrait mode, Night Sight | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy S20 Ultra 5G has face detection. |
| White Balance | Custom, automatic | - | |
| Light Source | High CRI LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 7680 x 4320 (8K) at 24 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps, 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 240 fps | |
| Camera Features (Functions) | Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), blink detection, VDIS (Video Digital Image Stabilisation), Live Focus, Tracking AF, Video location tags, Quick Share, location tags, Hyperlapse video support 1080p, Scene Optimiser, Full view, Flaw detection, Shot suggestions, AR Emoji, blur detection, HDR10+ recording, Floating shutter button, Super steady, Quick Measure, Space Zoom, 33MP still photos while playing 8K video, 100x Super Resolution Zoom, 10x Hybrid Optic Zoom, 3D Scanner | Electronic Image Stabiliser (EIS), Dual Pixel Phase Detect Auto-Focus (PDAF), Share in a snap |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | - | |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| Field of View (2nd Camera) | 120 degree(s) | - | |
| Pixel Size (2nd Camera) | 1.4 μm | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 48 Megapixels | - | |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/3.5 | - | |
| Field of View (3rd Camera) | 24 degree(s) | - | |
| Pixel Size (3rd Camera) | 0.8 μm | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 0.3 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/1.0 | - | |
| Camera Functions (4th Camera) | DepthVision camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 40 Megapixels | 8 Megapixel | Samsung Galaxy S20 Ultra 5G has better front camera resolution than Google Pixel 4a. |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Google Pixel 4a has better front lens aperture than Samsung Galaxy S20 Ultra 5G. |
| Field of View (Front) | 80 degree(s) | 84 degree(s) | Google Pixel 4a has larger front lens field of view than Samsung Galaxy S20 Ultra 5G. |
| Pixel Size (Front) | 0.7 μm | 1.12 μm | Google Pixel 4a has larger front camera pixel size than Samsung Galaxy S20 Ultra 5G. |
| Focus Adjustment | Automatic | Focus free | |
| Video Resolutions (Front) | - | 864 x 480, 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | Phase Detect Auto-Focus (PDAF) | - |
| BATTERY AND CHARGING | Samsung Galaxy S20 Ultra 5G | Google Pixel 4a |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 3140 mAh | Samsung Galaxy S20 Ultra 5G has larger battery capacity than Google Pixel 4a. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging | Power Delivery 2.0 | Both phones have fast charging technology. |
| Wireless Charging | Yes | - | Samsung Galaxy S20 Ultra 5G can be charged wirelessly. |
| Wireless Charging Standards | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | - | |
| Talk Time | 1500 minutes | - | |
| Run Time Details | Talk (LTE): up to 1500 min Active online usage (LTE): up to 17 hrs Active online usage (Wi-Fi): up to 18 hrs |
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| CELLULAR | Samsung Galaxy S20 Ultra 5G | Google Pixel 4a |
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| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Samsung Galaxy S20 Ultra 5G has more advanced generation mobile network. |
| Operating System | Android 10 | Android 10 | |
| User Interface | Samsung One UI 2 | - | |
| Intelligent Assistant | Bixby | Google Assistant | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy S20 Ultra 5G | Google Pixel 4a |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 14, Band 17, Band 18, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 66, Band 71 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700 PS, FDD 700b, FDD 800 lower, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3, FDD 600 | |
| 5G NR Band | N1, n3, n5, n7, n8, n28, n77, n78, n40 | - | |
| 5G NR Frequency | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 3700, TDD TD 3500, TDD 2300 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | - | A2DP | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy S20 Ultra 5G | Google Pixel 4a |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | AAC, apt-X, LDAC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | - | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | - |
| FEATURES | Samsung Galaxy S20 Ultra 5G | Google Pixel 4a |
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| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, barometer, magnetometer, gyro sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader | |
| Additional Phone Features | Smart Select, MU-MIMO technology, Fast Charging, Samsung KNOX, High AOP Mic, Smart View, Live message, Samsung DeX support, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, Bixby key, 3D Scanner | Dual microphones, MIMO technology, Android Sensor Hub, Noise suppression, ARCore, Google Lens, Titan M Security Module, Pixel Imprint sensor, 3 years of security and OS updates, Google Cast |
| OTHERS | Samsung Galaxy S20 Ultra 5G | Google Pixel 4a |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, headset (tuned by AKG), clear cover case, protective film | SIM card removal tool, Quick switch adapter, 18W USB-C power adapter, USB-C to USB-C cable (1 m) | |
|---|---|---|---|
| Compliant Standards | VDE, IP68, SGS | HAC (Hearing Aid Compatible) | |
| Max Depth of Water Resistance | 1.5 m | - |
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