Asus P835 vs Acer W4
| Type | Touch | Touch |
| Dimensions | 115.00 x 59.00 x 13.80 mm | - |
| Weight | 148.00 g |  |
| Display size | 3.50" | 3.60" |
| Display | Color / TFT 64k colors 480 x 800 px (3.50") 267 ppi | Color / TFT 16M colors 480 x 800 px (3.60") 259 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 420 min. (7.0 h) 3G: 300 min. (5.0 h) | |
| Stand-by (max.) | 2G: 300 h. (12.5 days) 3G: 350 h. (14.6 days) | |
| Standard battery | Li-Ion 1100 mAhBuy powerbank
| Li-Ion Buy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 4 GB | 8 GB |
| RAM memory | 288 MB | |
| Memory cards |  microSD, microSDHC | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | MS Windows Mobile 6.1 Pro | MS Windows Phone 7 |
| Processor | Qualcomm MSM7201A | Qualcomm MSM8255 |
| Processor clock | 528 MHz | 1000 MHz |
| GPU | - | Adreno 205 |
| Touchscreen | | |
| DualSIM | | |
| Other names | Galaxy5 | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | 900 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 5 Mpx | 5 Mpx |
| Resolution | 2592x1944 px | 2592x1944 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | MPEG4, H.263 | H.263, MPEG4 |
| Additional | - | - |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 0.3 Mpx | nd |
| Resolution | 640x480 px | nd |
| Optical zoom | | nd |
| Flash | | nd |
| Dual-colour LED flash | | nd |
| Video formats | MPEG4, H.263 | nd |
| Additional | - | nd |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v1.0 | v2.0 |
| HSCSD | | |
| HSDPA | 7.20 Mbit/s | |
| HSUPA | 2.00 Mbit/s | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 12 | class 12 |
| EDGE | class 12 | class 12 |
| Bluetooth | v2.0 EDR | v2.1 EDR |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| A-GPS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | T9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, WAV, WMA | AAC, AAC+, AMR, WAV, WMA, eAAC+ |
| Polyphony | 128 voices | 72 voices |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.0 | |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |