English 
Français 
Español 
Português 
Русский 
Deutsch 
Melayu 
Italiano 
Nederlands 
Svenska 
Norsk 
한국어 
日本語 Compare Devices
 |  |  | |
| remove from compare | remove from compare | remove from compare | |
Brand | samsung | oppo | |
Model | samsung galaxy m21 2021 | oppo pad 2 | google pixel Watch 4 |
Announced | 2021 July 21 | 2023 March 21 | 2025 August 20 |
Status | Available. Released 2021 July 26 | Available. Released 2023 March 24 | Available. Released 2025 October 09 |
Device Body | glass front | plastic back | plastic frame | glass front | aluminum frame | glass front ( gorilla glass 5 ) | aluminum frame |
Dimensions | 159 x 75.1 x 9 mm ( 6.26 x 2.96 x 0.35 in ) | 258 x 189.4 x 6.5 mm ( 10.16 x 7.46 x 0.26 in ) | 45 x 45 x 12.3 mm ( 1.77 x 1.77 x 0.48 in ) |
Weight in gram | 192 | 552 | 31 |
SIM card | dual SIM ( Nano-SIM | dual stand-by ) | No | |
Water Resistance | No | No | ip68 dust tight and water resistant immersible up to 50m/50 meter depth - 10 minutes |
Display type | Super AMOLED | 420 Luminance units ( the peak ) | IPS LCD | 1b colors | dolby vision | 144hz | 500 Luminance units ( typ ) | LTPO AMOLED | 3000 Luminance units ( the peak ) |
Display resolution | 1080 x 2340 pixels | 19.5 : 9 ratio ( ~403 pixel per inch density ) | 2000 x 2800 pixels ( ~296 pixel per inch density ) | 456 x 456 pixels ( ~320 pixel per inch density ) |
Display size | 6.4 inches | 100.5 cm2 ( ~84.2% screen to body ratio ) | 11.61 inches | 411.3 cm2 ( ~84.2% screen to body ratio ) | 1.4 inches |
Display Protection | corning gorilla glass 5 | ||
Operating System | android 11 | one ui 3.1 core | android 13 | coloros 13.1 | android wear Operating system 6 | up to 7.0 |
CPU | Octa-core ( 4x2.3 GHz cortex-a73 & 4x1.7 GHz cortex-a53 ) | Octa-core ( 1x3.05 GHz cortex-x2 & 3x2.85 GHz cortex-a710 & 4x1.80 GHz cortex-a510 ) | Quad-core ( 4x1.7 GHz cortex-a53 ) |
Chipset | exynos 9611 ( 10nm ) | mediatek dimensity 9000 ( 4 nm ) | Qualcomm snapdragon w5 generation 2 ( 4 nm ) |
GPU | mali-g72 mp3 | mali-g710 mc10 | adreno a702 |
Memory card | microsdxc ( dedicated slot ) | No | No |
Memory v1 | 64gb 4gb RAM | 256gb 8gb RAM | 32gb 2gb RAM |
Memory v2 | 128gb 6gb RAM | 256gb 12gb RAM | 512gb 12gb RAM | |
Primary camera | 48 megapixel| lens aperture2.0 | 26mm ( wide ) | 1/2.0" | 0.8µm | phase detection autofocus 8 megapixel| lens aperture2.2 | 123˚ ( ultrawide ) | 1/4.0" | 1.12µm 5 megapixel| lens aperture2.2 | ( depth ) | 13 megapixel| lens aperture2.2 | ( wide ) | Auto focus | |
Secondary camera | 20 megapixel| lens aperture2.2 | 26mm ( wide ) | 8 megapixel| lens aperture2.3 | 103˚ ( ultrawide ) | |
Loud speaker | Yes | Yes with stereo speakers ( 4 speakers ) | Yes |
Audio jack | Yes | No | No |
WLAN | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6 | dual-band | Wi-Fi 802.11 a/b/g/n/ac/6 | dual-band |
Bluetooth | 5.0 | a2dp | le | 5.3 | a2dp | le | aptx hd | 6.0 | a2dp |
GPS | |||
NFC | Yes ( market/region dependent ) | No | Yes |
Radio | FM Radio | rds | recording | No | No |
USB | USB Type-C 2.0 | USB Type-C 2.0 | otg | accessory connector | No |
Sensors | fingerprint ( rear-mounted ) | accelerometer | gyroscope | proximity | compass | accelerometer | gyroscope | compass | color spectrum | accelerometer | gyroscope | heart rate | altimeter | compass | spo2 | thermometer ( skin temperature ) | skin conductance |
Battery | li-po 6000 mAh | Non-removable | li-po 9510 mAh | Non-removable | Li-lon 455 mAh |
Battery Charge | 15w wired | 67w wired | pd | qc 2.0.0 | wired | 50% in 15 min | 80% in 30 min | 100% in 60 min - 45mm model | wired | 50% in 15 min | 80% in 25 min | 100% in 45 min - 41mm model |
Colors | black color gradations, blue color gradations | gray, gold | black, silver color gradations, gold color gradations, satin moonstone |
Network technology | gsm / hspa / lte | No cellular connectivity | gsm / hspa / lte |
5G bands | |||
Network speed | hspa lte-a | hspa lte | |
GPRS | No | ||
EDGE | No | ||
Approx price |
|
|
|
110 GBP
138 EUR
1290 NOK
1400 SEK
8300 RUB
140 USD
700 BRL
190 AUD
180000 KRW
18000 JPY
190 SGD
590 MYR
490 AED
2300 ZAR