Samsung Galaxy Axiom (SCH-R830) vs Xiaomi Redmi K20 Pro (64GB)
Side by side comparison between Samsung Galaxy Axiom vs Xiaomi Redmi K20 Pro phones, differences, pros, cons and full specifications. What's the better?
,
4"
AMOLED
AMOLED
480x800
5
MP
MP
1.3mp
1GB
RAM
RAM
Dual-core
2100
mAh
mAh
(Removable)
vs
6.39"
AMOLED
AMOLED
1080x2340
48
MP
MP
20mp
6GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi K20 Pro (64GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
4 Advantages 
28 Advantages | 18 Common items in both devices |
| Super AMOLED |
| 16 million |
| Autofocus / LDAF/PDAF: laser/phase detection autofocus |
| EIS: Digital stabilization |
| 4G LTE / 4G LTE-A |
| Capacitive |
| Multitouch |
| +11 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| Change model | ||
| Model | Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) |
| Other model names | Galaxy Axiom R830 for US Cellular | Xiaomi Redmi K20 Pro M1903F11A, M1903F11C, M1903F11T |
| Country or region available |  USA |  China |
| Brand | Samsung | Xiaomi |
| Release date | 11/28/2012 | 6/1/2019 |
| Depth | 11.9 millimeters (0.47 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 63.8 x 121.7 millimeters (2.51 x 4.79 in) | 74.3 x 156.7 millimeters (2.93 x 6.17 in) |
| Weight | 136 grams (4.76 ounces) | 191 grams (6.69 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 4" inches | 6.39" inches |
| Screen-to-body ratio | ~58.7% (screen-to-body ratio) | ~86.1% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 600nits[typ] HDR10 |
🤖 Operating System | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| System version | Android 4.0.4 Ice Cream Sandwich ICS | Android 9.0 Pie |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| Chipset | 32bit: Qualcomm Snapdragon S4 MSM8960 Lite (28nm) | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) |
| CPU | Dual-core, 1 processor: 2x 1.2GHz Krait (Dual-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 230 400Mhz | Qualcomm Adreno 640 (585MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| RAM memory | 1GB LPDDR2 | 6GB LPDDR4X |
| Internal storage | 4GB (1.83GB available) | 64GB (49GB available) UFS 2.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 100/50 Mbps | 1024/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1700/1900/2100 | CDMA 800 (China), GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO | MZB7748IN, MZB7749IN, MZB7750IN version: UMTS 850/900/1900/2100 M1903F11A, M1903F11C, M1903F11T version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat3 (Bands 2, 4, 5, 12) | LTE Cat16/13 VoLTE MZB7748IN, MZB7749IN, MZB7750IN version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 40, 41) M1903F11A, M1903F11C, M1903F11T version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, LTE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| Back camera (main camera) | 5 megapixels | (triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm |
| Main camera resolution | 2592x1944 pixels | 8000x6000 pixels |
| Video recording (primary) | HD (1280x720) | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| Front camera (secondary) | 1.3 megapixels | 20 megapixels *Motorized pop-up camera (slider) |
| Front camera resolution | 1280x1024 pixels | 5184x3840 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2100 mAh | 4000 mAh |
| Charger, watts | Wired charging | 27W Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 8 hours | feature not registered |
| Standby | 252 hours (10.5 days) | feature not registered |
➕ Other features | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Blue • Wi-Fi hotspot • Java framework | • Colors: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+ |
☢️ Radiation rate | ||
| Galaxy Axiom (SCH-R830) | Redmi K20 Pro (64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.69W/kg (head), 1.28W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |