Blu R2 (LTE 16GB) vs Samsung Galaxy S21
Side by side comparison between Blu R2 vs Samsung Galaxy S21 phones, differences, pros, cons and full specifications. What's the better?
,
5.2"
IPS
IPS
720x1280
13
MP
MP
13mp
2GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
vs
6.2"
AMOLED
AMOLED
1080x2400
12.2
MP
MP
10mp
8GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21
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!
18 Common items in both devices |
Aluminum body, glass front, aluminum back with plastic ends / Aluminum body, glass front, plastic back |
16 million |
Autofocus / PDAF: phase detection autofocus on both cameras |
Capacitive |
Multitouch |
Accelerometer |
Ambient light sensor |
+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 | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
Model | Blu R2 (LTE 16GB) | Galaxy S21 |
Other model names | Blu R2 LTE R0150EE (2GB RAM), R0170WW | Galaxy S21 5G SM-G991B/DS |
Country or region available | ![]() ![]() USA, (Europe) | ![]() (Global, International) |
Brand | Blu | Samsung |
Release date | 7/1/2017 | 1/29/2021, Announced: 1/14/2021 |
Depth | 9.6 millimeters (0.38 inches) | 7.9 millimeters (0.31 inches) |
Size (width x height) | 74.3 x 150.3 millimeters (2.93 x 5.92 in) | 71.2 x 151.7 millimeters (2.8 x 5.97 in) |
Weight | 156 grams (5.46 ounces) | 169 grams (5.92 ounces) |
Build, materials | Aluminum body, glass front, aluminum back with plastic ends | Aluminum body, glass front, plastic back |
Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
Display type | TFT IPS LCD | Dynamic AMOLED |
Screen size | 5.2" inches | 6.2" inches |
Screen-to-body ratio | ~66.8% (screen-to-body ratio) | ~85.9% (screen-to-body ratio) |
Display resolution | 720x1280 pixels | 1080x2400 pixels (20:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
Pixel density (dot pitch) | 282 PPI | 424 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Not supported | Gorilla Glass Victus |
Refresh rate | feature not registered | 120Hz |
Display features | feature not registered | 1300nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
System version | Android 7.0 Nougat | Android 11 |
Firmware update | feature not registered | Android 14 |
User Interface | feature not registered | One UI 3.1 / 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
Chipset | 64bit: MediaTek MT6737 (28nm) | 64bit: Samsung Exynos 2100 (5nm) |
CPU | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A53 (Quad-core) | Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core) |
GPU graphical controller | ARM Mali-T720 MP2 550Mhz | ARM Mali-G78 MP14 (854MHz) |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
RAM memory | 2GB LPDDR3 | 8GB LPDDR5 |
Internal storage | 16GB (10GB available) | 128GB (104GB available) UFS 3.1 |
External storage | Until 64GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
Maximum Download / Upload | 150/50 Mbps | 5000/1920 Mbps |
Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
Frequency, bands | Expand band details Collapse details | |
GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat4 R0150EE version: LTE 800/1800/2100/2600 (Bands 1,3,7,20) R0170WW version: LTE 700/1700/1800/1900/2100/2600 (Bands 1,2,3,4,7,12,17,28) | LTE Cat24 () TD-LTE () VoLTE |
Primary 5G network | Not supported | SA/NSA/Sub6 () |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, 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, SA/NSA, Sub6 |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
Secondary 4G network | Not supported | LTE Cat24 () TD-LTE () VoLTE |
Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
Back camera (main camera) | 13 megapixels | (triple camera) 12.2 megapixels 64MP telephoto f/2.029mm1/1.72"0.8µmPDAFOIS1.1x-optical-zoom3x-hybrid-zoom 12MP ultrawide f/2.213mm120°1/2.55"1.4µmSuper-Steady-video |
Main camera resolution | 4128x3096 pixels | 4032x3024 pixels |
Video recording (primary) | HD (1280x720) 30 fps | 8K UHD (7680x4320) 24 fps |
Flash | Dual-LED on both cameras | LED flash |
Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
Focal length | feature not registered | 26mm (lens) |
Sensor size | feature not registered | 1/1.76" inches |
Pixel size | feature not registered | 1.8µm pixel |
Autofocus | Autofocus | PDAF: phase detection autofocus on both cameras |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
Zoom | Only digital zoom | Digital and optical zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Not supported | Supported |
HDR | HDR photo only main camera | HDR photo/video on both cameras |
Camera extras | feature not registered | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
Front camera (secondary) | 13 megapixels | 10 megapixels |
Front camera resolution | 4128x3096 pixels | 3872x2592 pixels |
Video recording (secondary) | HD (1280x720) | 4K UHD (3840x2160) |
Front flash | Dual-LED | Not supported |
Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
Focal length | feature not registered | 26mm (lens) |
Sensor size | feature not registered | 1/3.24" inches |
Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
Active noise cancellation | Not supported | 2 microphones |
Radio | FM | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
USB | MicroUSB 2.0 | USB 3.2 Type-C, USB OTG On-The-Go |
Audio output | 3.5mm jack | Type-C reversible connector |
TV output | Not supported | USB Type-C (reversible) |
Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Not supported | Supported |
GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Not supported | Supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 3000 mAh | 4000 mAh |
Charger, watts | Wired charging | 25W Wired fast charging USB Power Delivery 3.0 |
Inductive / wireless charging | feature not registered | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
Talk time autonomy | 16 hours | feature not registered |
Standby | 625 hours (26 days) | feature not registered |
➕ Other features | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
Call control | Voice recorder | 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 | HTML, XHTML, HTML5 |
Antenna | Internal antenna | Internal antenna |
Qwerty physical keyboard | Not supported | Not supported |
Miscellaneous | • Colors: Black, Silver, Rose gold, Gold • 2.5D curved glass screen • Screen protector included • Silicon Case included • WiFi hotspot | • Colors: Phantom Gray, White, Violet, Pink • Samsung Pay (Visa, MasterCard) • Samsung DeX |
☢️ Radiation rate | ||
Blu R2 (LTE 16GB) | Galaxy S21 | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.456W/kg (head), 1.509W/kg (body) |