Compare Devices
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| remove from compare | remove from compare | remove from compare | |
Brand |
samsung | samsung | samsung |
Model |
samsung galaxy a40 | samsung galaxy tab s3 9.7 | samsung galaxy m31 |
Announced |
2019 March 19 | 2017 February | 2020 February 25 |
Status |
Available. Released 2019 April | Available. Released 2017 April | Available. Released 2020 March 05 |
Device Body |
glass front ( gorilla glass 3 ) | plastic back | plastic frame | glass front ( gorilla glass 3 ) | plastic back | plastic frame | |
Dimensions |
144.4 x 69.2 x 7.9 mm ( 5.69 x 2.72 x 0.31 in ) | 237.3 x 169 x 6 mm ( 9.34 x 6.65 x 0.24 in ) | 159.2 x 75.1 x 8.9 mm ( 6.27 x 2.96 x 0.35 in ) |
Weight in gram |
140 | 429 | 191 |
SIM card |
single SIM ( Nano-SIM ) or dual SIM ( Nano-SIM | dual stand-by ) | Nano-SIM | dual SIM ( Nano-SIM | dual stand-by ) |
Water Resistance |
No | No | |
Display type |
Super AMOLED | Super AMOLED capacitive touchscreen | 16millioncolors | Super AMOLED | 420 Luminance units ( the peak ) |
Display resolution |
1080 x 2340 pixels | 19.5 : 9 ratio ( ~437 pixel per inch density ) | 1536 x 2048 pixels | 4 : 3 ratio ( ~264 pixel per inch density ) | 1080 x 2340 pixels | 19.5 : 9 ratio ( ~403 pixel per inch density ) |
Display size |
5.9 inches | 85.5 cm2 ( ~85.5% screen to body ratio ) | 9.7 inches | 291.4 cm2 ( ~72.7% screen to body ratio ) | 6.4 inches | 100.5 cm2 ( ~84.1% screen to body ratio ) |
Display Protection |
corning gorilla glass 3 | corning gorilla glass 3 | |
Operating System |
android 9.0 ( pie ) | upgradable to android 11 | android 7.0 ( nougat ) | upgradable to android 9.0 ( pie ) | one ui | android 10 | upgradable to android 12 | one ui 4.1 |
CPU |
Octa-core ( 2x1.77 GHz cortex-a73 & 6x1.59 GHz cortex-a53 ) | Quad-core ( 2x2.15 GHz kryo & 2x1.6 GHz kryo ) | Octa-core ( 4x2.3 GHz cortex-a73 & 4x1.7 GHz cortex-a53 ) |
Chipset |
exynos 7904 ( 14 nm ) | Qualcomm msm8996 snapdragon 820 ( 14 nm ) | exynos 9611 ( 10nm ) |
GPU |
mali-g71 mp2 | adreno 530 | mali-g72 mp3 |
Memory card |
microsdxc ( dedicated slot ) | microsdxc ( dedicated slot ) | microsdxc ( dedicated slot ) |
Memory v1 |
64gb 4gb RAM | 32gb 4gb RAM | 64gb 6gb RAM |
Memory v2 |
128gb 4gb RAM | 128gb 6gb RAM | 128gb 8gb RAM | |
Primary camera |
16 megapixel| lens aperture1.7 | 26mm ( wide ) | phase detection autofocus 5 megapixel| lens aperture2.2 | 13mm ( ultrawide ) |
13 megapixel| lens aperture1.9 | 27mm ( wide ) | Auto focus |
64 megapixel| lens aperture1.8 | 26mm ( wide ) | 1/1.72" | 0.8µm | phase detection autofocus 8 megapixel| lens aperture2.2 | 123˚ ( ultrawide ) | 1/4.0" | 1.12µm 5 megapixel| lens aperture2.4 | ( macro ) -- |
Secondary camera |
25 megapixel| lens aperture2.0 | 25mm ( wide ) | 1/2.8" | 0.9µm |
5 megapixel| lens aperture2.2 | 23mm ( wide ) |
32 megapixel| lens aperture2.0 | 26mm ( wide ) | 1/2.8" | 0.8µm |
Loud speaker |
Yes | Yes with stereo speakers ( 4 speakers ) | Yes |
Audio jack |
Yes | Yes | Yes |
WLAN |
Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct |
Bluetooth |
5.0 | a2dp | le | 4.2 | a2dp | le | 5.0 | a2dp | le |
GPS |
Yes with a-gps glonass bds galileo | ||
NFC |
Yes | Yes ( market/region dependent ) | |
Radio |
FM Radio | No | FM Radio | rds | recording |
USB |
USB Type-C 2.0 | 3.1.0 | Type-C 1.0.0 reversible connector; magnetic connector | USB Type-C 2.0 |
Sensors |
fingerprint ( rear-mounted ) | accelerometer | gyroscope | proximity | compass | fingerprint ( front-mounted ) | accelerometer | gyroscope | compass | fingerprint ( rear-mounted ) | accelerometer | gyroscope | compass |
Battery |
li-po 3100 mAh | Non-removable | li-po 6000 mAh | Non-removable | li-po 6000 mAh | Non-removable |
Battery Charge |
15w wired | 15w wired | |
Colors |
black, white, blue, coral color | white, black | ocean color color gradations, black color gradations, red |
Network technology |
gsm / hspa / lte | gsm / hspa / lte | gsm / hspa / lte |
5G bands |
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Network speed |
hspa 42.2/5.76 mbps lte-a (2ca) cat12 600/150 mbps | hspa 42.2/5.76 mbps lte-a (2ca) cat6 300/50 mbps | hspa lte-a |
GPRS |
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EDGE |
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Approx price |
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200 GBP
250 EUR
2310 NOK
2500 SEK
15000 RUB
240 USD
1260 BRL
350 AUD
320000 KRW
32000 JPY
330 SGD
1060 MYR
880 AED
4000 ZAR
