Samsung Galaxy A15 5G (SM-A156B/DSN 128GB) vs Realme GT 3 (128GB)
Side by side comparison between Samsung Galaxy A15 5G vs Realme GT 3 phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
AMOLED
AMOLED
1080x2340
50
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.74"
AMOLED
AMOLED
1240x2772
50
MP
MP
16mp
8GB
RAM
RAM
Octa-core
4600
mAh
mAh
(Non removable)
What's the better phone? Realme GT 3 (128GB)
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!
8 Advantages 
18 Advantages | 28 Common items in both devices |
| 128GB (108GB available) / 128GB (101GB available) |
| Plastic body, glass front / Plastic body, glass front/back |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| BSI sensor |
| HDR photo on both cameras |
| (front) Full HD (1920x1080) |
| +21 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 | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| Change model | ||
| Model | Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) |
| Other model names | Galaxy A15 5G SM-A156B/Dual-SIM NFC | Realme GT3 240W RMX3709 |
| Country or region available |  (Europe) |  (Global, International) |
| Brand | Samsung | Realme |
| Release date | 12/16/2023, Announced: 12/11/2023 | 3/17/2023, Announced: 2/28/2023 |
| Depth | 8.4 millimeters (0.33 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 76.8 x 160.1 millimeters (3.02 x 6.3 in) | 75.8 x 163.9 millimeters (2.98 x 6.45 in) |
| Weight | 200 grams (7 ounces) | 199 grams (6.97 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front/back Back: RGB light notification |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| Display type | Super AMOLED | AMOLED |
| Screen size | 6.5" inches | 6.74" inches |
| Screen-to-body ratio | ~84.3% (screen-to-body ratio) | ~87.9% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1240x2772 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 396 PPI | 451 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 90Hz | 144Hz |
| Display features | 800nits[peak] | 500nits[typ], 1400nits[peak] HDR10+ Touch Sampling Rate: 360Hz |
🤖 Operating System | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| System version | Android 14 | Android 13 |
| Firmware update | Android 15 | Android 14 |
| User Interface | One UI 6.1 / 7.0 | Realme UI 4.0 / 5.0 |
⚙️ Processor | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| Chipset | 64bit: MediaTek Dimensity 6100+ (6nm) | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core) | Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core) |
| GPU graphical controller | ARM Mali-G57 MC2 | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | AnTuTu: 306382 (v9), 364885 (v10) Geekbench: 1747 (v5), 1763 (v6) | AnTuTu: 1074427 (v9) Geekbench: 3898 (v5.1), 3980 (v6) GFXBench: 59fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| RAM memory | 4GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 128GB (108GB available) UFS 2.2 | 128GB (101GB available) UFS 3.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G, 5G |
| 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 40, 41) VoLTE | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) China/India version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 7, 8, 20, 28, 38, 40, 41, 77, 78) | SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 40, 41) VoLTE | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) China/India version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| Back camera (main camera) | (triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4 | (triple camera) 50 megapixels 8MP ultrawide f/2.216mm112°1/4"1.12µm 2MP microscope f/3.320mm |
| Main camera resolution | 8160x6120 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | feature not registered | 1/1.56" inches |
| Pixel size | feature not registered | 1µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 1080p@30fps 720p@120fps (slow motion) | 4K@30/60fps 1080p@30/60fps Sony IMX890 |
📸 Front camera | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| Front camera (secondary) | 13 megapixels | 16 megapixels |
| Front camera resolution | 4128x3096 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.5 (aperture) |
| Focal length | feature not registered | 25mm (lens) |
| Sensor size | feature not registered | 1/3.09" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| Loudspeaker | Mono sound (not stereo) | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos |
| Active noise cancellation | 2 microphones | 2 microphones |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.3 + A2DP/LE | 5.3 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, 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, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Virtual proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4600 mAh |
| Charger, watts | 25W Wired fast charging | 240W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 44 hours (1.8 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow | • Colors: Booster Black, Pulse White |
☢️ Radiation rate | ||
| Galaxy A15 5G (SM-A156B/DSN 128GB) | Realme GT 3 (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.796W/kg (head), 1.461W/kg (body) | feature not registered |