| Physical features | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| Model | Nexus 5 (D821 16GB) | Galaxy A20 (SM-A205G) |
| Other model names | LG Google Nexus 5 D821, LG Nexus 5 4G LTE, LG D821 | Galaxy A20 SM-A205G Single-sim, SM-A205GZKLTCE |
| Country or region available | 
(Global, International) |   
(Latin America), Argentina, Mexico |
| Brand | LG | Samsung |
| Release date | November, 2013 | April, 2019 |
| Depth | 8.6 millimeters (0.34 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 69.2 x 137.9 millimeters (2.72 x 5.43 in) | 74.7 x 158.4 millimeters (2.94 x 6.24 in) |
| Weight | 130 grams (4.55 ounces) | 169 grams (5.92 ounces) |
| Qwerty physical keyboard | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
| System (OS) | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| Operating system | Android 4.4 KitKat | Android 9.0 Pie |
| Firmware update | Android 6.0 Marshmallow | feature not registered |
| Hardware | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| Chipset | 32bit - Qualcomm Snapdragon 800 MSM8974 (28nm) | 64bit - Samsung Exynos 7 Octa 7884 (14nm) |
| CPU processor | 2.3Ghz Quad-Core Krait 400 | Octa-Core, 2 processors:
1.6Ghz Dual-Core ARM Cortex-A73
1.35Ghz Hexa-Core ARM Cortex-A53 |
| GPU graphical controller | Qualcomm Adreno 330 | ARM Mali-G71 MP2 |
| RAM memory | 2GB LPDDR2 | 3GB LPDDR4X |
| Internal storage | 16GB (12GB available) | 32GB (21GB available)
eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC
(dedicated slot) |
| Display | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| Display type | TFT Super IPS+ | Super AMOLED |
| Screen size | 4.95" inches | 6.4" inches |
| Screen-to-body ratio | ~70.8% (screen-to-body ratio) | ~85% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 720x1560 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 445 PPI | 268 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Display features | feature not registered | 60Hz |
| Mobile networks | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM)
micro-SIM (3FF) | 1 slot (Single-SIM)
nano-SIM (4FF) |
| Maximum download/upload | 150/50 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band detailsCollapse details |
| GSM Mhz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 800/850/900/1800/2100/2600 (Bands 1,3,5,7,8,20) | LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66)
TD-LTE (Bands 38, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
| Calling | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported | Supported |
| Video calling | Supported | Supported |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Camera | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| Back camera (main camera) | 8 megapixels | (dual camera)
13 megapixels
5MP ultrawidef/2.212mm |
| Main camera resolution | 3264x2448 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.4 (aperture) | f/1.9 (aperture) |
| Focal length | 30mm lens | 28mm lens |
| Sensor size | 1/3.2" inches | feature not registered |
| Pixel size | 1.4µm pixel | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| 2ª camera | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| Front camera (secondary) | 1.3 megapixels | 8 megapixels |
| Front camera resolution | 1280x1024 pixels | 3264x2448 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/6" inches | feature not registered |
| Pixel size | 1.9µm pixel | feature not registered |
| Multimedia | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, WMV, MKV |
| Audio formats | MP3, WAV, eAAC+, AC3 | MP3, WAV, WMA, eAAC+, FLAC |
| Connectivity | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| USB | MicroUSB 3.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| TV output | Micro-B USB SlimPort | Not supported |
| Audio output | 3.5mm jack | 3.5mm jack |
| Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO | 802.11 b/g/n (2.4Ghz) |
| DLNA | Supported | Not supported |
| NFC | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| Infrared port | Not supported | Not supported |
| Other functions | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| Active noise cancellation | Supported | Supported |
| Vibrating alert | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Sensors | Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Barometer
| Accelerometer
Proximity sensor
Compass
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (rear-mounted)
|
| Other features | - Colors: Black, White
- USB OTG On-The-Go
- Qi Wireless charging
- WiFi direct, hotspot | - Colors: Black, Deep Blue, Red, Coral Orange
- Display HD+
- One UI
- WiFi direct, hotspot |
| Power supply | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| Battery | LiPo: Li-Ion polymer (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 2300 mAh | 4000 mAh |
| Charger, watts | Standard charging | 15W Fast battery charging |
| Talk time autonomy | 1020 minutes | 17 hours | 0.7 day | 1560 minutes | 26 hours | 1.1 days |
| Standby | 18000 minutes | 300 hours | 12.5 days | feature not registered |
| Radiation rate | LG Nexus 5 (D821 16GB) | Samsung Galaxy A20 (SM-A205G) |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.32W/kg (head) | 0.46W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |