Samsung Galaxy Ace S5831i vs Samsung Galaxy S6
| Type | Touch | Touch |
| Dimensions | 112.40 x 59.90 x 11.50 mm | 143.40 x 70.50 x 6.80 mm |
| Weight | 113.00 g | 138.00 g |
| Display size | 3.50" | 5.10" |
| Display | Color / IPS TFT 16M colors 320 x 480 px (3.50") 165 ppi | Color / Super AMOLED 16M colors 1440 x 2560 px (5.10") 576 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Standard battery | Li-Ion 1350 mAhBuy powerbank
| Li-Ion 2550 mAhBuy powerbank
|
| Quick battery charging | | Quick Charge |
| Wireless battery charging | |  |
| Internal memory | 512 MB | 32 GB, 64 GB |
| RAM memory | 384 MB | 3 GB |
| Memory cards | microSD, microSDHC up to 32 GBBuy memory card | |
| Operating system | Android 2.3 Gingerbread | Android 5.0 Lollipop |
| Interface | - | TouchWiz |
| Processor | - | Samsung Exynos 7420 |
| Processor clock | 832 MHz | 2100 MHz |
| GPU | - | ARM Mali-T760 MP8 @772 MHz |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard |  | SingleSIM(nanoSIM) |
| Announced | | 1Q 2015 |
| Other names | GT-S5831i | SM-G920F |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 900 2100 | 850 900 1900 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo sensor model | | Sony IMX240 |
| Photo matrix | 3 Mpx | 16 Mpx |
| Resolution | 2048x1536 px | 5312x2988 px |
| Optical zoom | | |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video resolution | | 3840x2160 px |
| Video formats | MPEG4, H.263, H.264 | H.263, H.264, MPEG4 - 30 fps |
| Additional | - | AF, OIS |
CAMERAS - FRONT
| First camera | | |
| Photo sensor model | nd | Samsung S5K4E6 |
| Photo matrix | nd | 5 Mpx |
| Resolution | nd | 2592x1944 px |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, MPEG4 - 30 fps |
| Additional | nd | FF |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | | v2.0 |
| HSCSD | | |
| HSDPA | | 42.20 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | - |
| LTE UP | | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | | v4.1 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | v802.11 a/b/g/n/ac |
| WiFi frequencies | 2,4 GHz | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | XT9 | XT9 |
| 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, eAAC+ | 3GA, AAC, AMR, AWB, FLAC, IMY, M4A, MID, MIDI, MXMF, OGA, OGG, OTA, RTTTL, RTX, WAV, WMA, XMF |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | Dalvik | ART |
| 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 | | |