| Global Score | |
| 51.8 | 57 |
| Basic Information | |
| Acer | Sony |
| Android 4.2.2 | Android 4.3, 4.1 |
| -- | 2013-06-04 |
| 4.88 x 2.52 x 0.38 inches | 4.88 x 2.44 x 0.37 inches |
| 4.30 ounces | 4.06 ounces |
| Black and White | Black, Purple, White and Yellow |
| -- | Scratch-Resistant Glass |
| $ 200.00 | $ 140.00 |
| Display / Screen | |
| 4 inches | 4 inches |
| 480 x 800 pixels | 480 x 854 pixels |
| TFT | TFT |
| 233 pixels per inch | 245 pixels per inch |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 7.2 | 7.7 |
| Performance | |
| MediaTek MT6572 chipset | Qualcomm Snapdragon S4 Plus MSM8227 chipset |
| ARM Cortex-A7 (Dual-Core 1300 MHz) processor | Krait (Dual-Core 1000 MHz) processor |
| 512 MB (266 MHz) RAM | 1 GB RAM |
| Mali-400 (Dual-Core 500 MHz) GPU | Adreno 305 (450 MHz) GPU |
| 8.55 | 7.92 |
| Storage | |
| 4 GB internal memory | 4 GB internal memory |
| microSD external memory slot | microSD, microSDHC (up to 32 GB) external memory slot |
| 2.5 | 3.82 |
| Camera | |
| 5.00 MP | 5.00 MP + 0.30 MP |
| f/2.40 aperture | -- |
| -- | 1280 x 720 (HD) video resolution |
| 6.38 | 5.94 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| SIM | SIM |
| 4 | 4.6 |
| Battery Life | |
| Li-Ion Battery | 1750mAh Li-Ion Battery |
| Removable Battery | Removable Battery |
| -- | 498 hours standby time 10.3 hours talk time |
| 1.36 | 3.6 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 4.0 |
| GPS | GPS |
| -- | NFC |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
Sony Xperia M has an overall score of 57, which is a bit better than Acer Liquid Z4's 51.8 general score. Both of these devices include Android OS (operating system), but Sony Xperia M has a more recent 4.3 version while Acer Liquid Z4 has Android 4.2.2 version. Sony Xperia M's construction is just a little thinner and a bit lighter than Acer Liquid Z4.
Acer Liquid Z4 has a bit faster processing unit than Xperia M, because although it has less RAM memory, and they both have 2 cpu cores, the Acer Liquid Z4 also counts with a faster graphics co-processor running at 1000 MHz. Xperia M features a bit more vivid screen than Acer Liquid Z4, and although they both have a screen with the same size, the Xperia M also has a just a little greater screen density and a slightly better 854 x 480 resolution.
Acer Liquid Z4 has a bit better camera than Xperia M. They have a same resolution back facing camera. Sony Xperia M features much more storage capacity to install applications and games or saving photos and videos than Acer Liquid Z4. Both have equal internal memory capacity. Xperia M features a superior battery duration than Acer Liquid Z4.
The Sony Xperia M not only is the best devices of the ones we are comparing here, but it's also a bargain compared to others, which makes buying this phone an easy decision.
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