Phone Comparison - Asus Memo Pad 8 ME581CL vs Sony Xperia Z2a vs Sony Xperia Z3 Tablet Compact
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| Manufacturer | Asus | Sony | Sony |
| Announced | June 2014 | June 2014 | September 2014 |
| Status | Coming Soon - Q3 2014 | Coming Soon - July 2014 | Available - November 2014 |
| Colors | White, Pink, Blue | Black, White, Turquoise | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
213 x 123 x 7.5 mm (8.39 x 4.84 x 0.3 in) |
137 x 72 x 11 mm (5.39 x 2.83 x 0.43 in) |
213.4 x 123.6 x 6.4 mm (8.4 x 4.87 x 0.25 in) |
| Weight | 299 g (10.55 oz) | 163 g (5.75 oz) | 270 g (9.52 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - D6502, D6503, D6543 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700 / 1900 / 2100 - D6502, D6503, D6543 |
| 4G Network | LTE 800 / 1800 / 2600 | LTE 700 / 850 / 900 / 1800 / 1900 / 2100 / 2600 | LTE 700/800/850/900/1700/1800/1900/2100/2600 - D6503 |
| Messaging | , EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - IP58 Certified - Dust Proof and Water Resistant over 1 Meter and 30 Minutes | IP68 Certified - Dust Tight and Water Resistant over 1 Meter and 30 Minutes |
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| OS | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.2 (KitKat) |
| Processor | Quad-core 2.3 GHz, Intel Atom Z3580 | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974AB Snapdragon 801 | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AB Snapdragon 801 |
| GPU | PowerVR G6430 | Adreno 330 | Adreno 330 |
| RAM | 2 GB | 3 GB | 3 GB |
| Internal Memory | 16/32 GB | 16 GB | 16 GB |
| External Memory | No | microSD, up to 128 GB | microSD, up to 128 GB |
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| Type | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen | TFT LCD Capacitive Touchscreen, Triluminos display, X-Reality Engine |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 8.0 inches | 5.0 inches | 8.0 inches |
| Resolution | 1200 x 1920 pixels (283 ppi) | 1080 x 1920 pixels (441 ppi) | 1200 x 1920 pixels (283 ppi) |
| Screen-to-Body Ratio | 70.84% | 69.74% | 70.37% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio with RDS | FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 х 1944 pixels | 20.7 MP, 5248 х 3936 pixels | 8.1 MP, 3264 x 2448 pixels |
| Flash | No | LED flash | No |
| Features | Geo-tagging | Auto focus, 1/2.3' Sensor Size, Geo-tagging, Touch Focus, Face Detection, Image Stabilization, HDR, Panorama | Auto focus, Geo-tagging, Touch Focus, Face Detection, Image Stabilization, HDR, Panorama |
| Video | Yes | Yes, 2160p@30fps, 1080p@60fps, 720p@120fps, video stabilization, HDR | 1080p@30fps |
| Front Camera | Yes, 1.2 MP [Similar] | Yes, VGA [Similar] | 2.2 MP, 1080p@30fps [Similar] |
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| GPRS | Yes | Up to 107 kbps | Up to 107 kbps |
| Edge | Yes | Up to 296 kbps | Up to 296 kbps |
| 3G | HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v4.0 | Yes, v4.0 with A2DP | v4.0, A2DP, LE, apt-X |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL 3), USB On-the-go, USB Host | microUSB v2.0 (MHL 3), USB On-the-go, USB Host |
| GPS | Yes, with GLONASS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16/32 GB, 2 GB RAM | 16 GB, 3 GB RAM | 16 GB, 3 GB RAM |
| Expandable Storage | No | microSD, up to 128 GB | microSD, up to 128 GB |
| USB OTG | - | Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Non-removable Li-Po battery (15.2 Wh) | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | - | 3000 mAh | 4500 mAh |
| Stand by | - | Up to 690 h (2G) Up to 740 h (3G) |
Up to 1100 h (2G) Up to 1300 h (3G) |
| Talk Time | Up to 9 h (multimedia) | Up to 15 h (2G) Up to 19 h (3G) |
Up to 19 h (2G) Up to 23 h (3G) |
