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Brand |
samsung | microsoft | |
Model |
samsung galaxy tab a 8.4 (2020) | microsoft lumia 640 xl dual sim | |
Announced |
2020 March 25 | 2015 March. Released 2015 April | |
Status |
Available. Released 2020 March 25 | discontinued | |
Device Body |
glass front | plastic frame | plastic back | ||
Dimensions |
202 x 125.2 x 7.1 mm ( 7.95 x 4.93 x 0.28 in ) | 157.9 x 81.5 x 9 mm ( 6.22 x 3.21 x 0.35 in ) | |
Weight in gram |
309 | 171 | |
SIM card |
Nano-SIM | dual SIM ( Micro-SIM | dual stand-by ) | |
Water Resistance |
No | No | |
Display type |
tft LCD | IPS LCD | |
Display resolution |
1200 x 1920 pixels | 16 : 10 ratio ( ~270 pixel per inch density ) | 720 x 1280 pixels | 16 : 9 ratio ( ~259 pixel per inch density ) | |
Display size |
8.4 inches | 204.6 cm2 ( ~80.9% screen to body ratio ) | 5.7 inches | 88.9 cm2 ( ~69.1% screen to body ratio ) | |
Display Protection |
corning gorilla glass 3 | ||
Operating System |
android 10 | upgradable to android 11 | one ui 3.1 | microsoft windows phone 8.1 | upgradable to microsoft windows 10 | |
CPU |
Octa-core ( 2x1.8 GHz cortex-a73 & 6x1.6 GHz cortex-a53 ) | Quad-core 1.2 GHz cortex-a7 | |
Chipset |
exynos 7904 ( 14 nm ) | Qualcomm msm8226 snapdragon 400 ( 28 nm ) | |
GPU |
mali-g71 mp2 | adreno 305 | |
Memory card |
microsdxc ( dedicated slot ) | microsdxc ( dedicated slot ) | |
Memory v1 |
32gb 3gb RAM | 8gb 1gb RAM | |
Memory v2 |
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Primary camera |
8 megapixel| Auto focus |
13 megapixel| lens aperture2.0 | 28mm ( wide ) | 1/3.0" | Auto focus |
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Secondary camera |
5 mega pixel |
5 mega pixel |
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Loud speaker |
Yes with dual speakers | Yes | |
Audio jack |
Yes | Yes | |
WLAN |
Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | Wi-Fi 802.11 b/g/n | dlna | hotspot | |
Bluetooth |
5.0 | a2dp | le | 4.0 | a2dp | |
GPS |
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NFC |
No | Yes | |
Radio |
No | FM Radio | |
USB |
USB Type-C 2.0 | microusb 2.0 | |
Sensors |
accelerometer | accelerometer | proximity | compass | sensor core | |
Battery |
li-po 5000 mAh | Non-removable | Li-lon 3000 mAh | removable | |
Battery Charge |
wired | ||
Colors |
mocha | cyan, orange, black, white, white color gradations | |
Network technology |
gsm / hspa / lte | gsm / hspa | |
5G bands |
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Network speed |
hspa 42.2/5.76 mbps lte cat4 150/50 mbps | hspa 42.2/5.76 mbps | |
GPRS |
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EDGE |
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Approx price |
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