Microsoft Surface RT (64GB) vs Asus Zenfone 5Z (ZS621KL 64GB)
Side by side comparison between Microsoft Surface RT vs Asus Zenfone 5Z devices, differences, pros, cons and full specifications. What's the better?
,
10.6"
TFT
TFT
768x1366
1
MP
MP
1mp
2GB
RAM
RAM
Penta-core
4120
mAh
mAh
(Non removable)
vs
6.2"
IPS
IPS
1080x2246
12
MP
MP
8mp
6GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
What's the better device? Asus Zenfone 5Z (ZS621KL 64GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
3 Advantages 
30 Advantages | 14 Common items in both devices |
| 60Hz |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| +7 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Model | Surface RT (64GB) | Zenfone 5Z (ZS621KL 64GB) |
| Other model names | Tablet Microsoft Surface RT 1 | Asus Zenfone 5z 6GB RAM (ZS621KL), ASUS_Z01RD |
| Country or region available |  (Global, International) |  India |
| Brand | Microsoft | Asus |
| Release date | 10/26/2012 | 6/1/2018 |
| Depth | 9.4 millimeters (0.37 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 172 x 274.6 millimeters (6.77 x 10.81 in) | 75.65 x 153 millimeters (2.98 x 6.02 in) |
| Weight | 680 grams (23.8 ounces) | 165 grams (5.78 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 10.6" inches | 6.2" inches |
| Screen-to-body ratio | ~65.6% (screen-to-body ratio) | ~83.7% (screen-to-body ratio) |
| Display resolution | 768x1366 pixels | 1080x2246 pixels (18.7:9) |
| Touchscreen | Capacitive Multitouch 5-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 148 PPI | 402 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | 550nits[typ] |
🤖 Operating System | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| System version | Windows RT 8.0 | Android 8.0 Oreo |
| Firmware update | Windows RT 8.1 | Android 10 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Chipset | 32bit: NVIDIA Tegra 3 (T30L) (40nm) | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) |
| CPU | Penta-core, 2 processors: 4x 1.3GHz ARM Cortex-A9 (Quad-core) 1x 500MHz ARM Cortex-A9 (Single-core) | Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) |
| GPU graphical controller | NVIDIA GeForce ULP MP12 (416MHz) | Qualcomm Adreno 630 710Mhz |
| Performance (benchmark) | Browsermark: 73180 (v1) | feature not registered |
💽 Memory and storage | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| RAM memory | 2GB LPDDR2 | 6GB LPDDR4X |
| Internal storage | 64GB (45GB available) SSD | 64GB (51GB available) UFS 2.1 |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | Not supported | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | feature not registered | 800/100 Mbps |
| Network technology | feature not registered | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | Not supported | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 800/850/900 |
| Primary 4G network | Not supported | LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Back camera (main camera) | 1 megapixels | (dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF |
| Main camera resolution | 1280x720 pixels | 4000x3000 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Not supported | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 24mm lens |
| Sensor size | feature not registered | 1/2.55" inches |
| Pixel size | feature not registered | 1.4µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS (4-axis): Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Front camera (secondary) | 1 megapixels | 8 megapixels |
| Front camera resolution | 1280x720 pixels | 3264x2448 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 24mm lens |
| Sensor size | feature not registered | 1/4" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.264, H.263, WMV | MP4, H.265, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, AC3, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| USB | USB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro HDMI Type D | Not supported |
| Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) P21GK3 | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4120 mAh | 3300 mAh |
| Charger, watts | Wired charging | 18W (9V/2A) Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 8 hours | 25 hours (1 days) |
| Standby | 360 hours (15 days) | feature not registered |
➕ Other features | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Call control | Not supported | Voice dialing, Voice recorder |
| Messaging | E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | feature not registered | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Dock with QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Dark Titanium • Optional Touch Cover with keyboard • WiFi Direct • Microsoft Office 2013 RT | • Colors: Midnight Blue, Meteor Silver • 2.5D curved glass screen • 95% DCI-P3 coverage • Supports glove touch • ASUS ZenUI 5.0 • 24-bit/192kHz audio • DTS sound (only headphones) |
☢️ Radiation rate | ||
| Microsoft Surface RT (64GB) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.04W/kg (head), 0.37W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.2W/kg (head), 1.477W/kg (body) |