ZTE Optus X Tap vs Realme C21
Change compared phones
Prices and offers
Price and affiliate commission
Where does this price come from?
We take it directly from Amazon.com. The binding price is the one shown in the store at the moment of purchase.
Will I pay more?
No. The price is identical to going to the store directly.
How do we earn from this?
As an Amazon Associates participant, we earn a small commission from qualifying purchases. It is what keeps mGSM.pl free.
ZTE Optus X Tap
See offers on Amazon.comRealme C21
See offers on Amazon.comPrices are for information only and may change. Some links are affiliate links — we may earn a small commission if you make a purchase.
Specifications comparison
General specifications
 User opinions: 0 |
||
| Other names | - | RMX3201 |
| Announced |
1Q 2022 (4 years 9 months ago) |
1Q 2021 (5 years 10 months ago) |
| Type | Touch | Touch |
| Dimensions | 166.50 x 75.60 x 8.50 mm | 165.20 x 76.40 x 8.90 mm |
| Weight |
174.00 g
Buy case |
190.00 g
Buy case |
| Colour | Blue |
Available in 2 variants:
|
| Display |
Color / IPS TFT 16,7 millions colors, 60 Hz 720 x 1600 px (6.52") 264 ppi ∼81.5% 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 |
Buy screen protector |
Corning Gorilla Glass 3
Buy screen protector |
| Talk time (max.) |
|
|
| Stand-by (max.) |
|
|
| Standard battery |
Li-Ion 3200 mAh
Buy powerbank |
Li-Po 5000 mAh
Buy powerbank |
| Quick battery charging |
|
|
| Charger included in the package |
|
|
| Wireless battery charging |
|
|
| Internal memory |
32 GB
Buy memory card |
Available in 2 variants:
Buy memory card |
| End-user memory | No data | No data |
| RAM memory | 3 GB |
Available in 2 variants:
|
| Memory cards |
microSD, microSDHC, microSDXC (up to 512 GB)
|
microSD, microSDHC, microSDXC (up to 256 GB)
|
| Operating system | Android 11 | Android 10 |
| Processor |
Unisoc SC9863A
Processor clock: 1.60 GHz Number of cores: 8 GPU: IMG8322 @550 MHz |
MediaTek Helio G35 MT6765G
Processor clock: 2.30 GHz Number of cores: 8 GPU: PoverVR GE8320 @680 MHz |
| Standards |
GSM, UMTS, LTE
read more |
GSM, UMTS, LTE
read more |
| Touchscreen |
|
|
| SAR (10g) | 1,77 W/kg | - |
| DualSIM |
|
|
| SIM card(s) | nanoSIM | nanoSIM, nanoSIM |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM |
|
|
Cameras - back
| First camera | | |
| Camera type | Standard | Standard |
| Photo matrix | 13 Mpx | 13 Mpx |
| Pixel size | - | 1,12 µm |
| Digital zoom | | 4x |
| Number of lenses | - | 5 |
| Flash | LED | LED |
| Video resolution | 1920x1080 | 1920x1080 |
| Video formats | H.263, H.264, MPEG4 | H.263, H.264, MPEG4 - 30 fps |
| Additional | AF, f/1.8 | AF, f/2.2 |
| Second camera | | |
| Camera type | Depth of field | Macro |
| Photo matrix | 2 Mpx | 2 Mpx |
| Digital zoom | | |
| Number of lenses | - | 3 |
| Flash | LED | LED |
| Additional | FF | 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 | Portrait |
| Photo matrix | 5 Mpx | 5 Mpx |
| Digital zoom | | |
| Number of lenses | - | 3 |
| Flash | | |
| Video formats | H.263, H.264, MPEG4 | 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 |
|
|
| Proximity |
|
|
| Light |
|
|
| Magnetometer |
|
|
| Gyroscope |
|
|
| Barometer |
|
|
| Altimeter |
|
|
| Gravity |
|
|
| Hall-effect |
|
|
| Iris scanner |
|
|
| Fingerprint scanner |
| Back |
| Thermometer |
|
|
| Hygrometer |
|
|
| read more | ||
Data transfer
| HSDPA | 21.10 Mbit/s | 42.20 Mbit/s |
| HSUPA | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA |
|
|
| HSPA+ |
|
|
| LTE DL | 301.50 Mbit/s | 301.50 Mbit/s |
| LTE UP | 150.80 Mbit/s | 150.80 Mbit/s |
| GPRS |
|
|
| EDGE |
|
|
| Bluetooth |
v4.2
Buy headphones |
v5.0
Buy headphones |
| A2DP Profile |
|
|
| WiFi |
v802.11 b/g/n
read more |
v802.11 b/g/n
read more |
| DLNA |
|
|
| Infrared |
|
|
| USB |
v2.0 OTG
Buy adapter |
v2.0 OTG
Buy adapter |
| GPS module |
|
|
| A-GPS |
|
|
| GLONASS support | - |
|
| Beidou | - |
|
| NFC |
| - |
Communication and messaging
| Call waiting |
|
|
| Conferency |
|
|
| Call forwarding |
|
|
| Push To Talk |
|
|
| Instant Messenger |
|
|
| SMS |
|
|
| SMS Memory |
|
|
| MMS |
|
|
| Dictionary |
T9
|
T9
|
| e-mail client |
|
|
| e-mail protocols | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| RSS Reader |
|
|
| read more | ||
Multimedia
| Radio |
|
|
| MP3 |
|
|
| Stereo speakers |
|
|
| Audio Jack |
3.5 mm
Buy headphones |
3.5 mm
Buy headphones |
| HD Voice |
|
|
| Sound formats | AAC, AAC+, AMR, MID, WAV, eAAC+ | AAC, AAC+, AMR, APE, FLAC, MID, MKA, OGG, WAV, WMA, eAAC+ |
| Java |
ART
|
ART
|
| Videophone |
|
|
| read more | ||
PIM and additional functions
| Watch |
|
|
| Stopwatch |
|
|
| Alarm |
|
|
| Calculator |
|
|
| Organizer |
|
|
| Calendar |
|
|
| Flight mode |
|
|
| Data and fax |
|
|
| Voice dial |
|
|
| Speakerphone |
|
|
| Recorder |
|
|
| Vibrations |
|
|
| read more | ||
