Oppo A78 4G has better RAM than Samsung Galaxy A17 5G. In terms of display resolution, Oppo A78 4G has better resolution of 2400 x 1080 than Samsung Galaxy A17 5G which has resolution of 2340 x 1080. Both have the same amount of internal memory.
| Name | Samsung Galaxy A17 5G | Oppo A78 4G | 
| RAM | 6 GB | 8 GB | 
|---|---|---|
| Display | 6.7 in | 6.43 in | 
| Internal Memory | 128 GB | 128 GB | 
| Battery | 5000 mAh | 5000 mAh | 
| Camera | 50 MP + 5 MP + 2 MP Triple | 50 MP + 2 MP Dual | 
| Price | Rs. 18999 | Rs. 15499 | 
The launch Date of the first phone is August 29th, 2025. The cost of Samsung Galaxy A17 5G is Rs. 18999. The launch Date of the second phone is July 10, 2023. The cost of Oppo A78 4G is Rs. 15499.
Oppo A78 4G has screen size of 6.43 inches which falls short to Samsung Galaxy A17 5G's 6.7 inch screen. Samsung Galaxy A17 5G has Super AMOLED Screen type where as Oppo A78 4G has AMOLED Screen type. OPPO's phone has display density of 409 PPI & Samsung's phone has only 385 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 90.8% than Samsung's phone ~ 86%. Both phones have same aspect ratio of 20:9.
Oppo A78 4G's larger 8 GB RAM is better for playing games and all with respect to Samsung Galaxy A17 5G's lower 6 GB RAM. and both have same Internal Memory of 128 GB.
They both have the same 50 MP + 5 MP + 2 MP Triple Rear Camera. Samsung Galaxy A17 5G will be better choice if you're looking to click lot of selfies as it has better 13 MP Front Camera in comparison to Oppo A78 4G's 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 13 version.
| Name | Samsung Galaxy A17 5G | Oppo A78 4G | 
| General | ||
| Country of Origin | India | |
| Model | SM-A176B, SM-A176B/DS | A78 4G | 
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM | 
| Dual Sim | Yes | Yes | 
| Sim Size | Nano+Nano SIM | Nano SIM | 
| Device Type | Smartphone | Smartphone | 
| OS Updates | 6 years | |
| Security Updates | 6 years | |
| Release Date | August 29th, 2025 | July 10, 2023 | 
| Design | ||
| Dimensions | 77.9 x 164.4 x 7.5 mm | 73.2 x 160 x 7.9 mm | 
| Weight | 192 g | 180 g | 
| Colors | Black, Gray, Blue | Mist Black , Aqua Green | 
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color AMOLED Screen (16.7 M) | 
| Touch | Yes | Yes | 
| Size | 6.7 inches, 1080 x 2340 pixels, 90 Hz | 6.43 inches, 1080 x 2400 pixels, 90 Hz | 
| Aspect Ratio | 20:9 | 20:9 | 
| PPI | ~ 385 PPI | ~ 409 PPI | 
| Screen to Body Ratio | ~ 86% | ~ 90.8% | 
| Glass Type | Corning Gorilla Glass 5 | |
| Brightness | 800nits | |
| Features | 100% DCI-P3, 600nits (Typical), 430nits (Typical) | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole | 
| Memory | ||
| RAM | 6 GB | 8 GB | 
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB | 
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, (Hybrid Slot), upto 2 TB | Yes, upto 1 TB | 
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | Yes | |
| 5G Bands | 5G* FDD Sub6: N1(2100), N3(1800), N5(850), N7(2600), N8(900), N26(850), N28(700), N66(AWS-3), 5G* TDD Sub6: N40(2300), N41(2500), N77(3700), N78(3500) | |
| VoLTE | Yes, Dual Stand-By | Yes | 
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | 
| Wifi Version | 802.11a/b/g/n/ac 2.4GHz+5GHz, VHT80 | Wi-Fi 5 (802.11ac) | 
| Bluetooth | Yes, v5.3 | Yes, v5.0, A2DP, LE, aptX HD | 
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 | 
| USB Features | USB Charging | USB on-the-go, USB Charging | 
| Extra | ||
| GPS | GPS, Glonass, Beidou, Galileo, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS | 
| Fingerprint Sensor | Yes, Side | Yes, In Display | 
| Face Unlock | Yes | Yes | 
| Sensors | Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Virtual Proximity Sensing | accelerometer, gyro, proximity, compass | 
| 3.5mm Headphone Jack | Yes | |
| NFC | Yes | Yes, Yes (market/region dependent) | 
| AI Features | Gemini Live, Circle to Search | |
| Splash Resistant | Yes | |
| IP Rating | IP54 | IP54 | 
| Dust Resistant | Yes | Yes | 
| Extra Features | Dual Stereo Speakers, LPDDR4x RAM | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 5 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Macro)  | 50 MP ƒ/1.8 (Wide Angle) PDAF 2 MP ƒ/2.4 (Depth Sensor)  | 
| Auto Focus | Yes | Yes | 
| Features | Food, Hyperlapse, Macro, Night, Panorama, Photo, Portrait, Pro, Slow Motion, Video | Photos, videos, night, expert, panoramic, portrait, time-lapse, slow-motion, super text, Google lens, extra HD, multi-scene recording, and cute | 
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 13 MP ƒ/2 (Wide Angle) | 8 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash  | 
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD | 
| Technical | ||
| OS | Android v15 | Android v13 | 
| Custom UI | OneUI 7 | ColorOS 13.1 | 
| Chipset | Samsung Exynos 1330 | Qualcomm Snapdragon 680 | 
| CPU | 2.4 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor | 
| Core Details | 2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A5 | 4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver | 
| GPU | Mali-G68 MP2 | Adreno 610 | 
| Java | No | No | 
| Browser | Yes | Yes | 
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | Yes | 
| Video | MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM | Yes | 
| FM Radio | No | No | 
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 5000 mAh | 5000 mAh, Li-Po Battery | 
| Fast Charging | Yes, 25W Fast Charging | Yes, 67W Fast Charging |