Redmi Note 7 vs Realme C21
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Redmi Note 7
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Specifications comparison
General specifications
| Other names | Xiaomi Redmi Note 7 | RMX3201 |
| Announced |
1Q 2019 (7 years 10 months ago) |
1Q 2021 (5 years 10 months ago) |
| Type | Touch | Touch |
| Dimensions | 159.21 x 75.21 x 8.10 mm | 165.20 x 76.40 x 8.90 mm |
| Weight |
186.00 g
Buy case |
190.00 g
Buy case |
| Colour |
Available in 4 variants:
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Available in 2 variants:
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| Display |
Color / IPS TFT 16,7 millions colors 1080 x 2340 px (6.30") 409 ppi ∼81.4% screen-to-body ratio |
Color / IPS TFT 16,7 millions colors, 60 Hz 720 x 1600 px (6.50") 270 ppi ∼80.8% screen-to-body ratio |
| Display protection |
Corning Gorilla Glass 5
Buy screen protector |
Corning Gorilla Glass 3
Buy screen protector |
| Talk time (max.) | 2G: 1380 min. (23.0 h) |
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| Stand-by (max.) | 3G: 251 h (10.5 days) |
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| Playback time (max.) | Video: 13 h | - |
| Standard battery |
Li-Po 4000 mAh
Buy powerbank |
Li-Po 5000 mAh
Buy powerbank |
| Quick battery charging | Quick Charge 4.0 |
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| Charger included in the package |
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| Wireless battery charging |
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| Internal memory |
Available in 3 variants:
Buy memory card |
Available in 2 variants:
Buy memory card |
| End-user memory | No data | No data |
| RAM memory |
Available in 2 variants:
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Available in 2 variants:
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| Memory cards |
microSD, microSDHC, microSDXC (up to 256 GB)
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microSD, microSDHC, microSDXC (up to 256 GB)
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| Operating system | Android 9.0 Pie | Android 10 |
| Interface | MIUI 10 | - |
| Processor |
Qualcomm Snapdragon 660
Processor clock: 2.20 GHz Number of cores: 8 GPU: Adreno 512 |
MediaTek Helio G35 MT6765G
Processor clock: 2.30 GHz Number of cores: 8 GPU: PoverVR GE8320 @680 MHz |
| Standards |
GSM, UMTS, LTE, TD-SCDMA
read more |
GSM, UMTS, LTE
read more |
| Touchscreen |
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| DualSIM |
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| SIM card(s) | nanoSIM, nanoSIM | nanoSIM, nanoSIM |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | nanoSIM, microSD |
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Cameras - back
| First camera | | |
| Camera type | - | Standard |
| Photo sensor model | Samsung S5KGM1 | - |
| Photo matrix | 48 Mpx | 13 Mpx |
| Pixel size | - | 1,12 µm |
| Resolution | 8000x6000 px | - |
| Digital zoom | | 4x |
| Number of lenses | - | 5 |
| Flash | LED | LED |
| Video resolution | 1920x1080 | 1920x1080 |
| Video formats | H.263, H.264, MPEG4 - 60 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | AF, EIS, f/1.8 | AF, f/2.2 |
| Second camera | | |
| Camera type | - | Macro |
| Photo matrix | 5 Mpx | 2 Mpx |
| Digital zoom | | |
| Number of lenses | - | 3 |
| Flash | LED | LED |
| Additional | FF, f/2.4 | FF, f/2.4 |
| Third camera | | |
| Camera type | - | Depth of field |
| Photo matrix | - | 2 Mpx |
| Digital zoom | - | |
| Number of lenses | - | 3 |
| Flash | - | |
| Additional | - | FF, f/2.4 |
Cameras - front
| First camera | | |
| Camera type | - | Portrait |
| Photo matrix | 13 Mpx | 5 Mpx |
| Digital zoom | | |
| Number of lenses | - | 3 |
| Flash | | |
| Video resolution | 1920x1080 | - |
| Video formats | H.263, H.264, MPEG4 - 60 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | FF | FF, f/2.2 |
| Second camera | | |
| Camera type | - | Portrait |
| Photo matrix | - | 8 Mpx |
| Sensor size | - | 1/4 |
| Pixel size | - | 1,12 µm |
| Digital zoom | - | |
| Number of lenses | - | 5 |
| Field of view | - | 79 ° |
| Flash | - | |
| Additional | - | FF, f/2.0 |
Sensors
| Accelerometer |
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| Proximity |
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| Light |
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| Magnetometer |
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| Gyroscope |
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| Barometer |
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| Altimeter |
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| Gravity |
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| Hall-effect |
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| Iris scanner |
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| Fingerprint scanner |
| Back |
| Thermometer |
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| Hygrometer |
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| read more | ||
Data transfer
| HSDPA |
| 42.20 Mbit/s |
| HSUPA |
| 5.76 Mbit/s |
| HSPA |
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| HSPA+ |
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| LTE DL |
| 301.50 Mbit/s |
| LTE UP |
| 150.80 Mbit/s |
| GPRS |
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| EDGE |
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| Bluetooth |
v5.0
Buy headphones |
v5.0
Buy headphones |
| A2DP Profile |
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| WiFi |
v802.11 a/b/g/n/ac
read more |
v802.11 b/g/n
read more |
| DLNA |
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| Infrared |
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| USB |
v2.0 OTG Type-C Buy adapter |
v2.0 OTG
Buy adapter |
| GPS module |
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| A-GPS |
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| GLONASS support |
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| Beidou |
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Communication and messaging
| Call waiting |
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| Conferency |
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| Call forwarding |
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| Push To Talk |
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| Instant Messenger |
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| SMS |
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| SMS Memory |
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| MMS |
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| Dictionary |
T9
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T9
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| e-mail client |
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| e-mail protocols | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| RSS Reader |
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| read more | ||
Multimedia
| Radio |
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| MP3 |
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| Stereo speakers |
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| Audio Jack |
3.5 mm
Buy headphones |
3.5 mm
Buy headphones |
| HD Voice |
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| Sound formats | AAC, AAC+, AMR, FLAC, MKA, WAV, eAAC+ | AAC, AAC+, AMR, APE, FLAC, MID, MKA, OGG, WAV, WMA, eAAC+ |
| Java |
ART
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ART
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| Videophone |
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| read more | ||
PIM and additional functions
| Watch |
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| Stopwatch |
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| Alarm |
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| Calculator |
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| Organizer |
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| Calendar |
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| Flight mode |
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| Data and fax |
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| Voice dial |
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| Speakerphone |
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| Recorder |
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| Vibrations |
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| read more | ||