Motorola CHARM vs Asus Zenfone 4

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          General Info

          Manufacturer
          Motorola Asus
          Announced
          July 2010 January 2014
          Status
          Available - August 2010 Available - June 2014
          Colors
          Golden Bronze, Cabernet Black, White, Red, Blue, Yellow
          Form Factor
          Candybar Candybar
          Dimension
          98.4 x 67.2 x 11.4 mm, 75 cc
          (3.87 x 2.65 x 0.45 in, 2.95 cc)
          124.4 x 61.4 x 6.3-11.2
          (4.9 x 2.42 x 0.25-0.44)
          Weight
          110 g (3.88 oz) 115 g (4.06 oz)
          2G Network
          GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
          3G Network
          HSDPA 1700 / 2100 HSDPA 850 / 900 / 1900 / 2100
          Messaging
          SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

          Hardware and OS

          OS
          Android OS, v2.1 (Eclair) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat)
          Processor
          600 MHz Cortex-A8, TI OMAP 3410 [Similar] Dual-core 1.2 GHz, Intel Atom Z2520 [Similar]
          GPU
          PowerVR SGX530 [Similar] PowerVR SGX544MP2 [Similar]
          RAM
          512 MB [Browse Similar] 1 GB [Browse Similar]
          Internal Memory
          N/A 8 GB
          External Memory
          microSD, up to 32GB, 2GB card included microSD, up to 64 GB

          Display

          Type
          TFT capacitive touchscreen LCD Capacitive Touchscreen, Corning Gorilla Glass 3
          Colors
          256K colors 16M colors
          Size
          2.8 inches [Similar] 4.0 inches [Similar]
          Resolution
          320 x 240 pixels (143 ppi) 480 x 800 pixels (233 ppi) [Similar]
          Screen-to-Body Ratio
          36.64% 59.74%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          3.15 MP, 2048x1536 pixels [Similar] 5 MP, 2592 x 1944 pixels [Similar]
          Flash
          No No
          Features
          Geo-tagging Auto focus, Geo-tagging, Panorama
          Video
          Yes, 24 fps Yes, 1080p@30fps
          Front Camera
          No [Similar] Yes, VGA [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          Stereo FM radio with RDS FM Radio
          Games
          Yes Yes + Downloadable
          Loud Speaker
          loudspeaker yes loudspeaker yes

          Connectivity and Data Rate

          GPRS
          Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes
          Edge
          Class 12 Yes
          3G
          HSDPA 3.6 Mbps; HSUPA 2 Mbps HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps
          Bluetooth
          Yes, v2.0 with A2DP Yes, v4.0 with A2DP, EDR
          Wi-Fi
          Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
          USB
          Yes, microUSB v2.0 Yes, microUSB v2.0
          GPS
          Yes, with A-GPS support Yes, with A-GPS support
          Browser
          HTML HTML

          User Memory

          Internal
          512MB RAM; 512 MB storage 8 GB, 1 GB RAM
          Expandable Storage
          microSD, up to 32GB, 2GB card included microSD, up to 64 GB

          Sensors

          Fingerprint
          fingerprint not supported fingerprint not supported
          Proximity Sensor
          proximity sensor present proximity sensor present
          Accelerometer Sensor
          accelerometer sensor present accelerometer sensor present
          NFC
          NFC not supported NFC not supported

          Battery

          Type
          Standard battery, Li-Ion Li-Po Battery
          Capacity
          1130 mAh 1200/1600 mAh
          Stand by
          Up to 267 h (2G)
          Up to 334 h (3G)
          Up to 192 h
          Talk Time
          Up to 6 h 45 min (2G)
          Up to 5 h (3G)
          Up to 10 h

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