Oppo A54 (128GB/4GB) vs Samsung Galaxy Express 2 (SM-G3815)
Side by side comparison between Oppo A54 vs Samsung Galaxy Express 2 phones, differences, pros, cons and full specifications. What's the better?
,
6.51"
IPS
IPS
720x1600
13
MP
MP
16mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
4.5"
TFT
TFT
540x960
5
MP
MP
0.3mp
1.5GB
RAM
RAM
Dual-core
2100
mAh
mAh
(Removable)
What's the better phone? Oppo A54 (128GB/4GB)
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!
24 Advantages 
5 Advantages | 16 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| 4G LTE |
| Capacitive |
| Multitouch |
| +9 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 | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| Model | A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) |
| Other model names | Oppo A54 4G (CPH2239), 128GB+4GB RAM | Samsung Galaxy Express II G3815 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Oppo | Samsung |
| Release date | 4/1/2021, Announced: 3/26/2021 | 10/1/2013 |
| Depth | 8.4 millimeters (0.33 inches) | 9.8 millimeters (0.39 inches) |
| Size (width x height) | 75.7 x 163.6 millimeters (2.98 x 6.44 in) | 65.7 x 132.4 millimeters (2.59 x 5.21 in) |
| Weight | 192 grams (6.72 ounces) | 134 grams (4.69 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.51" inches | 4.5" inches |
| Screen-to-body ratio | ~82.6% (screen-to-body ratio) | ~64.2% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 270 PPI | 245 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | 550nits[typ] | feature not registered |
🤖 Operating System | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| System version | Android 10 | Android 4.2.2 Jelly Bean |
| Firmware update | Android 11 | feature not registered |
| User Interface | ColorOS 7.2 / 11 | feature not registered |
⚙️ Processor | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| Chipset | 64bit: MediaTek Helio P35 (MT6765) (12nm) | 32bit: Qualcomm Snapdragon 400 MSM8930AB |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Dual-core, 1 processor: 2x 1.7GHz Krait 300 (Dual-core) |
| GPU graphical controller | PowerVR GE8320 MP2 (680MHz) | Qualcomm Adreno 305 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| RAM memory | 4GB LPDDR4X | 1.5GB LPDDR2 |
| Internal storage | 128GB (106GB available) eMMC 5.1 | 8GB |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 150/50 Mbps | 100/50 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 850/900/2100 | UMTS 850/900/2100 |
| Primary 4G network | LTE Cat4 (1, 3, 5, 8) TD-LTE (38, 40, 41) VoLTE | LTE 800/900/1800/2600 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/2100 | Not supported |
| Secondary 4G network | LTE Cat4 (1, 3, 5, 8) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | Not supported |
📷 Camera | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| Back camera (main camera) | (triple camera) 13 megapixels 2MP macro f/2.4 2MP depth f/2.4 | 5 megapixels |
| Main camera resolution | 4128x3096 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/2.6 (aperture) |
| Focal length | 25mm lens | feature not registered |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| 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 on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| Front camera (secondary) | 16 megapixels | 0.3 megapixels |
| Front camera resolution | 4608x3456 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Micro-B USB MHL |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5000 mAh | 2100 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 11 hours |
| Standby | feature not registered | 480 hours (20 days) |
➕ Other features | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| 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: Crystal Black, Starry Blue, Moonlight Gold • Protective cover included | • Colors: Blue, White • Samsung TouchWiz UI • Java framework |
☢️ Radiation rate | ||
| Oppo A54 (128GB/4GB) | Galaxy Express 2 (SM-G3815) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.38W/kg (head), 0.7W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.38W/kg (head), 0.36W/kg (body) |