Compare Devices
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Brand | microsoft | blu | xiaomi |
Model | microsoft lumia 640 xl lte dual sim | blu grand 5.5 hd ii | xiaomi redmi note 12r |
Announced | 2015 March. Released 2015 April | 2017 November | 2023 June 28 |
Status | discontinued | Available. Released 2017 November | Available. Released 2023 June 28 |
Device Body | glass front | plastic frame | glass back | ||
Dimensions | 157.9 x 81.5 x 9 mm ( 6.22 x 3.21 x 0.35 in ) | 155.2 x 78.2 x 8.4 mm ( 6.11 x 3.08 x 0.33 in ) | 168.6 x 76.3 x 8.2 mm ( 6.64 x 3.00 x 0.32 in ) |
Weight in gram | 171 | 170 | 199 |
SIM card | dual SIM ( Micro-SIM | dual stand-by ) | dual SIM ( Micro-SIM | dual stand-by ) | Hybrid dual SIM ( Nano-SIM | dual stand-by ) |
Water Resistance | No | No | |
Display type | IPS LCD | IPS LCD capacitive touchscreen | 16millioncolors | IPS LCD | 90hz | 550 Luminance units |
Display resolution | 720 x 1280 pixels | 16 : 9 ratio ( ~259 pixel per inch density ) | 720 x 1280 pixels | 16 : 9 ratio ( ~267 pixel per inch density ) | 1080 x 2460 pixels ( ~396 pixel per inch density ) |
Display size | 5.7 inches | 88.9 cm2 ( ~69.1% screen to body ratio ) | 5.5 inches | 83.4 cm2 ( ~68.7% screen to body ratio ) | 6.79 inches | 109.5 cm2 ( ~85.1% screen to body ratio ) |
Display Protection | corning gorilla glass 3 | ||
Operating System | microsoft windows phone 8.1 | upgradable to microsoft windows 10 | android 7.0 ( nougat ) | android 13 | miui 14 |
CPU | Quad-core 1.2 GHz cortex-a7 | Quad-core 1.3 GHz cortex-a7 | Octa-core ( 2x2.2 GHz cortex-a78 & 6x1.95 GHz cortex-a55 ) |
Chipset | Qualcomm msm8226 snapdragon 400 ( 28 nm ) | mediatek mt6580 ( 28 nm ) | Qualcomm sm4450 snapdragon 4 generation 2 ( 4 nm ) |
GPU | adreno 305 | mali-400mp2 | adreno 613 |
Memory card | microsdxc ( dedicated slot ) | microsdxc | microsdxc ( uses shared sim slot ) |
Memory v1 | 8gb 1gb RAM | 16gb 1gb RAM | 128gb 4gb RAM |
Memory v2 | 128gb 6gb RAM | 128gb 8gb RAM | 256gb 8gb RAM | ||
Primary camera | 13 megapixel| lens aperture2.0 | 28mm ( wide ) | 1/3.0" | Auto focus | 13 megapixel| 1/4.0" | 1.12µm | 50 megapixel| lens aperture1.8 | ( wide ) | phase detection autofocus 2 megapixel| lens aperture2.4 | ( macro ) |
Secondary camera | 5 mega pixel | 8 mega pixel | 5 megapixel| lens aperture2.2 | ( wide ) | 1/5.0" | 1.12µm |
Loud speaker | Yes | Yes | Yes |
Audio jack | Yes | Yes | Yes |
WLAN | Wi-Fi 802.11 b/g/n | dlna | hotspot | Wi-Fi 802.11 b/g/n | Wi-Fi Direct | hotspot | Wi-Fi 802.11 a/b/g/n/ac | dual-band |
Bluetooth | 4.0 | a2dp | 4.0 | a2dp | 5.3 | a2dp | le |
GPS | Yes with a-gps | ||
NFC | Yes | Yes ( market/region dependent ) | |
Radio | FM Radio | FM Radio | No |
USB | microusb 2.0 | microusb 2.0 | USB Type-C |
Sensors | accelerometer | proximity | compass | sensor core | accelerometer | proximity | fingerprint ( side-mounted ) | accelerometer | compass |
Battery | Li-lon 3000 mAh | removable | removable li-po 2800 mAh battery | li-po 5000 mAh | Non-removable |
Battery Charge | 18w wired | pd | ||
Colors | cyan, orange, black, white, white color gradations | black, gold, gold color gradations | black, blue, silver |
Network technology | gsm / hspa / lte | gsm / hspa | gsm / cdma / hspa / evdo / lte / 5g |
5G bands | 1 | 5 | 8 | 28 | 41 | 78 sa/nsa | ||
Network speed | hspa 42.2/5.76 mbps lte cat4 150/50 mbps | hspa 21.1/5.76 mbps | hspa lte 5g |
GPRS | |||
EDGE | |||
Approx price |
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150 GBP
181 EUR
1780 NOK
1900 SEK
11500 RUB
190 USD
970 BRL
270 AUD
240000 KRW
25000 JPY
260 SGD
820 MYR
680 AED
3100 ZAR
