Amazon Fire Phone (32GB) vs Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)
Side by side comparison between Amazon Fire Phone vs Samsung Galaxy M31 phones, differences, pros, cons and full specifications. What's the better?
,
4.7"
IPS
IPS
720x1280
13
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
2400
mAh
mAh
(Non removable)
vs
6.4"
AMOLED
AMOLED
1080x2340
64
MP
MP
32mp
8GB
RAM
RAM
Octa-core
6000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)
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!
5 Advantages 
25 Advantages | 21 Common items in both devices |
| 8.9 millimeters (0.35 inches) |
| Plastic body, glass front/back / Plastic body, glass front |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| +14 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 | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| Model | Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) |
| Other model names | AT&T Amazon Firephone SD4930UR | Galaxy M315F/Dual-Sim (128GB + 8GB RAM) |
| Country or region available |  USA |  India |
| Brand | Amazon | Samsung |
| Release date | 7/25/2014, Announced: 6/18/2014 | 3/5/2020, Announced: 2/25/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 66.5 x 139.2 millimeters (2.62 x 5.48 in) | 75.1 x 159.2 millimeters (2.96 x 6.27 in) |
| Weight | 160 grams (5.6 ounces) | 191 grams (6.69 ounces) |
| Build, materials | Plastic body, glass front/back Back: Gorilla Glass 3 | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 4.7" inches | 6.4" inches |
| Screen-to-body ratio | ~65.8% (screen-to-body ratio) | ~84.1% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels (16:9) | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 312 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | 420nits[peak] |
🤖 Operating System | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| System version | Android 4.2.2 Jelly Bean | Android 10 |
| Firmware update | feature not registered | Android 11 |
| User Interface | Amazon Fire OS UI 3.5 / 3.6.5 | feature not registered |
⚙️ Processor | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| Chipset | 32bit: Qualcomm Snapdragon 800 MSM8974 (28nm) | 64bit: Samsung Exynos 9611 (10nm) |
| CPU | Quad-core, 1 processor: 4x 2.2GHz Krait 400 (Quad-core) | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 330 | ARM Mali-G72 MP3 (850MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| RAM memory | 2GB LPDDR3 | 8GB LPDDR4X |
| Internal storage | 32GB (25GB available) eMMC 4.5 | 128GB (108GB available) UFS 2.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 100/50 Mbps | 600/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat3 (1, 2, 3, 4, 5, 7, 8, 17, 20) | LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| Back camera (main camera) | 13 megapixels | (quad camera) 64 megapixels 8MP ultrawide f/2.212mm1/4.0"1.12µm 5MP macro f/2.425mm1/5.0"1.12µm 5MP depth f/2.2 |
| Main camera resolution | 4128x3096 pixels | 10120x6328 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/1.72" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| Front camera (secondary) | 2.1 megapixels | 32 megapixels |
| Front camera resolution | 1920x1080 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| Loudspeaker | Stereo sound Dolby Digital Plus | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2400 mAh | 6000 mAh |
| Charger, watts | 9W Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 22 hours | feature not registered |
| Standby | 285 hours (11.9 days) | feature not registered |
➕ Other features | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • 3D Dynamic Perspective UI (based on 4 front cameras) • System wide tilt, auto-scroll, swivel and peek functions • Unlimited Cloud Drive photo storage • Firefly app | • Colors: Ocean Blue, Space Black, Red • One UI 2.0, 3.1 |
☢️ Radiation rate | ||
| Amazon Fire Phone (32GB) | Galaxy M31 (SM-M315F/DS 128GB/8GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.34W/kg (body) | 0.52W/kg (head), 0.69W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.482W/kg (head), 1.127W/kg (body) |