Compare Xiaomi Mi A3 with 4149 devices. You can see which you should buy through this compiled table

Color:Matt Black, Dimensions (width x height x thickness):2.8 inches (70 mm) x 5.1 inches (130 mm) x 0.4 inches (9.9 mm), Weight:129 oz (129 g), Display type:TFT, Screen resolution (width x height):480 x 800, Pixel density:227 ppi, Display size:4.1 inch, OS:Windows Mobile, Chipset:Qualcomm Snapdragon QSD8250, CPU specs:1.0GHz×1(Single core), RAM size:256.0MB, Storage size:204.8MB, Battery capacity:1000 mAh, Rear-camera resolution:3.2 MP, Front-camera resolution:0 MP

Color:Astro Black/Ice Platinum/Terra Gold/Marine Blue/Mystic White/Raspberry Rose/Moroccan Blue/Lavender Violet, Dimensions (width x height x thickness):2.8 inches (71.9 mm) x 5.9 inches (148.9 mm) x 0.3 inches (7.9 mm), Weight:163 oz (163 g), Display type:IPS LCD, Screen resolution (width x height):1440 x 2880, Pixel density:564 ppi, Display size:5.7 inch, OS:Android, Chipset:Qualcomm MSM8996 Snapdragon 821, CPU specs:2.35GHz+1.6GHz×4(Quad core), RAM size:4GB, Storage size:128GB, Battery capacity:3300 mAh, Rear-camera resolution:13 MP, Front-camera resolution:5 MP

Color:Midnight Black/Slate Gray, Dimensions (width x height x thickness):2.9 inches (74.1 mm) x 6.1 inches (154.2 mm) x 0.3 inches (7.3 mm), Weight:153 oz (153 g), Display type:Optic AMOLED, Screen resolution (width x height):1080 x 1920, Pixel density:400 ppi, Display size:5.5 inch, OS:Android, Chipset:Qualcomm MSM8998 Snapdragon 835, CPU specs:2.45GHz+1.9GHz×8(OctaCore), RAM size:8GB, Storage size:128GB, Battery capacity:3300 mAh, Rear-camera resolution:20 MP, Front-camera resolution:16 MP

Color:Midnight Black/Coral Blue/Titanium Gray/Lilac Purple/Burgundy Red/Sunrise Gold/Ice Blue, Dimensions (width x height x thickness):2.7 inches (68.7 mm) x 5.8 inches (147.7 mm) x 0.3 inches (8.5 mm), Weight:163 oz (163 g), Display type:Super AMOLED, Screen resolution (width x height):1440 x 2960, Pixel density:567 ppi, Display size:5.8 inch, OS:Android, Chipset:Exynos 9810, CPU specs:2.7GHz+1.8GHz×8(OctaCore), RAM size:4GB, Storage size:256GB, Battery capacity:3000 mAh, Rear-camera resolution:12 MP, Front-camera resolution:8 MP

Color:Luminous Chrome/Deepsea Black/Bronze Pink/Rosso, Dimensions (width x height x thickness):3.0 inches (77 mm) x 6.1 inches (156 mm) x 0.3 inches (7.9 mm), Weight:195 oz (195 g), Display type:IPS LCD, Screen resolution (width x height):2160 x 3840, Pixel density:806 ppi, Display size:5.46 inch, OS:Android, Chipset:Qualcomm MSM8998 Snapdragon 835, CPU specs:2.45GHz+1.9GHz×8(OctaCore), RAM size:4GB, Storage size:64GB, Battery capacity:3230 mAh, Rear-camera resolution:19 MP, Front-camera resolution:13 MP

Color:Blue,red,white, Dimensions (width x height x thickness):2.6 inches (67.2 mm) x 5.3 inches (135.8 mm) x 0.3 inches (7.2 mm), Weight:120 oz (120 g), Display type:IPS LCD, Screen resolution (width x height):720 x 1280, Pixel density:312 ppi, Display size:4.7 inch, OS:Android, Chipset:Qualcomm MSM8212 Snapdragon 200, CPU specs:1.2GHz×4(Quad core), RAM size:1GB, Storage size:8GB, Battery capacity:1780 mAh, Rear-camera resolution:8 MP, Front-camera resolution:2 MP

Color:Gunmetal Gray/Amber Gold/Silver+Rose gold/Gold+Pink/Pink, Dimensions (width x height x thickness):2.7 inches (69.7 mm) x 5.7 inches (144.6 mm) x 0.4 inches (9.6 mm), Weight:157 oz (157 g), Display type:Super LCD3, Screen resolution (width x height):1080 x 1920, Pixel density:440 ppi, Display size:5 inch, OS:Android, Chipset:Qualcomm MSM8994 Snapdragon 810, CPU specs:2.0GHz+1.5GHz×8(OctaCore), RAM size:3GB, Storage size:32GB, Battery capacity:2840 mAh, Rear-camera resolution:20 MP, Front-camera resolution:4 MP

Color:Blue/Soft Pink, Dimensions (width x height x thickness):2.9 inches (73.5 mm) x 5.6 inches (141 mm) x 0.3 inches (8.7 mm), Display type:S-IPS LCD, Screen resolution (width x height):720 x 1280, Pixel density:267 ppi, Display size:5.5 inch, OS:Android, Chipset:Mediatek MT6750T, CPU specs:1.5GHz+1.0GHz×8(OctaCore), RAM size:4GB, Storage size:64GB, Battery capacity:3000 mAh, Rear-camera resolution:13 MP, Front-camera resolution:5 MP

Color:Champagn Gold/Midnight Black/Bordeaux Red/Jewel Blue, Dimensions (width x height x thickness):2.8 inches (71.9 mm) x 6.0 inches (151.5 mm) x 0.3 inches (8.5 mm), Weight:140 oz (140 g), Display type:TFT, Screen resolution (width x height):480 x 960, Pixel density:196 ppi, Display size:5.45 inch, OS:Android, Chipset:Mediatek MT6580W, CPU specs:1.3GHz×4(Quad core), RAM size:1GB, Storage size:8GB, Battery capacity:2400 mAh, Rear-camera resolution:5 MP, Front-camera resolution:5 MP

Color:Flourite Purple/Marble Green/Jewelry White, Dimensions (width x height x thickness):3.0 inches (76.1 mm) x 6.4 inches (162 mm) x 0.3 inches (8.3 mm), Weight:188 oz (188 g), Display type:LTPS IPS LCD, Screen resolution (width x height):1080 x 2340, Pixel density:394 ppi, Display size:6.53 inch, OS:Android, Chipset:Mediatek MT6771 Helio P70, CPU specs:2.1GHz+2.0GHz×8(OctaCore), RAM size:6GB, Storage size:128GB, Battery capacity:4020 mAh, Rear-camera resolution:48 MP, Front-camera resolution:16 MP

Color:Carbon Black/Pearl White/Phantom Blue, Dimensions (width x height x thickness):2.9 inches (74.4 mm) x 6.0 inches (152 mm) x 0.3 inches (8.3 mm), Weight:165 oz (165 g), Display type:Super AMOLED, Screen resolution (width x height):1080 x 2232, Pixel density:399 ppi, Display size:6.2 inch, OS:Android, Chipset:Qualcomm SDM675 Snapdragon 675, CPU specs:2.0GHz+1.7GHz×8(OctaCore), RAM size:6GB, Storage size:128GB, Battery capacity:4000 mAh, Rear-camera resolution:48 MP, Front-camera resolution:16 MP

Color:Black/Blue, Dimensions (width x height x thickness):3.0 inches (75.7 mm) x 6.3 inches (158.8 mm) x 0.4 inches (9.3 mm), Weight:215 oz (215 g), Display type:Super AMOLED, Screen resolution (width x height):1080 x 2340, Pixel density:402 ppi, Display size:6.41 inch, OS:Android, Chipset:Qualcomm SM8150 Snapdragon 855+, CPU specs:2.84GHz+2.42GHz+1.78GHz×8(OctaCore), RAM size:12GB, Storage size:128GB, Battery capacity:4500 mAh, Rear-camera resolution:48 MP, Front-camera resolution:12 MP

Color:Black/Blue, Dimensions (width x height x thickness):2.9 inches (72.9 mm) x 6.1 inches (154.7 mm) x 0.4 inches (9.2 mm), Weight:172 oz (172 g), Display type:IPS LCD, Screen resolution (width x height):720 x 1560, Pixel density:282 ppi, Display size:6.09 inch, OS:Android, Chipset:Mediatek MT6762 Helio P22, CPU specs:2.0GHz×8(OctaCore), RAM size:3GB, Storage size:32GB, Battery capacity:4000 mAh, Rear-camera resolution:13 MP, Front-camera resolution:5 MP

Color:Electric Gray/Cosmic Purple/Brushed Bronze, Dimensions (width x height x thickness):3.0 inches (75 mm) x 6.2 inches (158 mm) x 0.3 inches (8.8 mm), Weight:190 oz (190 g), Display type:Super AMOLED, Screen resolution (width x height):1080 x 2340, Pixel density:403 ppi, Display size:6.39 inch, OS:Android, Chipset:Qualcomm SDM675 Snapdragon 675, CPU specs:2.0GHz+1.7GHz×8(OctaCore), RAM size:4GB, Storage size:128GB, Battery capacity:4000 mAh, Rear-camera resolution:48 MP, Front-camera resolution:25 MP

Color:Cyan Green/Charcoal/Ice, Dimensions (width x height x thickness):3.0 inches (75.2 mm) x 6.3 inches (159.9 mm) x 0.3 inches (8.3 mm), Weight:180 oz (180 g), Display type:IPS LCD, Screen resolution (width x height):1080 x 2280, Pixel density:400 ppi, Display size:6.3 inch, OS:Android, Chipset:Qualcomm SDM660 Snapdragon 660, CPU specs:2.2GHz+1.8GHz×8(OctaCore), RAM size:6GB, Storage size:128GB, Battery capacity:3500 mAh, Rear-camera resolution:48 MP, Front-camera resolution:20 MP

Color:Space Gray/Silver/Gold/Midnight Green, Dimensions (width x height x thickness):3.1 inches (77.8 mm) x 6.2 inches (158 mm) x 0.3 inches (8.1 mm), Weight:226 oz (226 g), Display type:Super Retina XDR OLED, Screen resolution (width x height):1242 x 2688, Pixel density:455 ppi, Display size:6.5 inch, OS:IOS, Chipset:Apple A13 Bionic, CPU specs:2.65GHz+1.8GHz×6(Hexacore), RAM size:4GB, Storage size:512GB, Battery capacity:3969 mAh, Rear-camera resolution:12 MP, Front-camera resolution:12 MP

Color:Crystal Black/Crystal Sky/Midnight Ocean, Dimensions (width x height x thickness):2.9 inches (74.7 mm) x 6.3 inches (159 mm) x 0.4 inches (9.8 mm), Weight:201.8 oz (201.8 g), Display type:Super AMOLED, Screen resolution (width x height):1080 x 2400, Pixel density:408 ppi, Display size:6.44 inch, OS:Android, Chipset:Qualcomm SDM675 Snapdragon 675, CPU specs:2.0GHz+1.7GHz×8(OctaCore), RAM size:8GB, Storage size:128GB, Battery capacity:4100 mAh, Rear-camera resolution:48 MP, Front-camera resolution:32 MP

Color:Clearly White/Just Black/Oh So Orange, Dimensions (width x height x thickness):3.0 inches (75.1 mm) x 6.3 inches (160.4 mm) x 0.3 inches (8.2 mm), Weight:193 oz (193 g), Display type:P-OLED, Screen resolution (width x height):1440 x 3040, Pixel density:533 ppi, Display size:6.3 inch, OS:Android, Chipset:Qualcomm SM8150 Snapdragon 855, CPU specs:2.84GHz+2.42GHz+1.78GHz×8(OctaCore), RAM size:6GB, Storage size:128GB, Battery capacity:3700 mAh, Rear-camera resolution:16 MP, Front-camera resolution:8 MP

Color:Lightening Black/Unicorn White, Dimensions (width x height x thickness):2.9 inches (73.3 mm) x 6.3 inches (160.2 mm) x 0.3 inches (7.9 mm), Weight:172 oz (172 g), Display type:AMOLED, Screen resolution (width x height):1080 x 2400, Pixel density:411 ppi, Display size:6.4 inch, OS:Android, Chipset:Mediatek MT6771V Helio P70, CPU specs:2.1GHz+2.0GHz×8(OctaCore), RAM size:8GB, Storage size:128GB, Battery capacity:4025 mAh, Rear-camera resolution:48 MP, Front-camera resolution:16 MP

Color:Blue/Gold/Pink+Blue, Dimensions (width x height x thickness):3.0 inches (75.8 mm) x 6.5 inches (164.2 mm) x 0.4 inches (9 mm), Weight:208 oz (208 g), Display type:AMOLED, Screen resolution (width x height):1080 x 2400, Pixel density:400 ppi, Display size:6.57 inch, OS:Android, Chipset:MediaTek MT6875 Dimensity 820 5G, CPU specs:2.6GHz+2.0GHz×8(OctaCore), RAM size:8GB, Storage size:256GB, Battery capacity:4520 mAh, Rear-camera resolution:48 MP, Front-camera resolution:20 MP

Color:Black/Blue/White/Dark Blue, Dimensions (width x height x thickness):3.0 inches (77.3 mm) x 6.4 inches (162.4 mm) x 0.4 inches (8.9 mm), Weight:204.1 oz (204.1 g), Display type:IPS LCD, Screen resolution (width x height):1080 x 2340, Pixel density:394 ppi, Display size:6.53 inch, OS:Android, Chipset:Qualcomm SDM712 Snapdragon 712, CPU specs:2.3GHz+1.7GHz×8(OctaCore), RAM size:8GB, Storage size:128GB, Battery capacity:5000 mAh, Rear-camera resolution:16 MP, Front-camera resolution:16 MP

Color:Moonlight White/Midnight Black/Mint Green, Dimensions (width x height x thickness):3.0 inches (75.4 mm) x 6.4 inches (163.3 mm) x 0.4 inches (9.1 mm), Weight:213 oz (213 g), Display type:AMOLED, Screen resolution (width x height):1080 x 2400, Pixel density:394 ppi, Display size:6.67 inch, OS:Android, Chipset:Mediatek Dimensity 1000+, CPU specs:2.6GHz+2.0GHz×8(OctaCore), RAM size:8GB, Storage size:512GB, Battery capacity:4500 mAh, Rear-camera resolution:64 MP, Front-camera resolution:20 MP