Side by side comparison and review of Samsung Galaxy A51 and OPPO Reno4 Pro 5G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Samsung Galaxy A51 | OPPO Reno4 Pro 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A515F/DSN | CPH2089 | |
| Form Factor | Touch | Touch | |
| Height | 158.5 mm | 159.6 mm | OPPO Reno4 Pro 5G has greater height than Samsung Galaxy A51. |
| Width | 73.6 mm | 72.5 mm | Samsung Galaxy A51 has greater width than OPPO Reno4 Pro 5G. |
| Depth | 7.9 mm | 7.6 mm | OPPO Reno4 Pro 5G is narrower than Samsung Galaxy A51. |
| Weight | 172 g | 172 g | Both phones are the same weight. |
| Body Colour | Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white | Space black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) | 1.318 W/kg (body), 0.892 W/kg (head), 2.707 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A51 | OPPO Reno4 Pro 5G |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | AMOLED | |
| Screen Size (Display Size) | 6.5" | 6.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2400 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 408 ppi | 402 ppi | Samsung Galaxy A51 has better pixel density than OPPO Reno4 Pro 5G. |
| Max Brightness | - | 1100 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 5000000:1 | |
| HDR | - | Yes | OPPO Reno4 Pro 5G has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Features | Edge-to-Edge screen, Infinity O display | DCI-P3 Wide colour gamut, Dark mode, 180Hz sampling rate, 90Hz 3D Curved Screen | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A51 | OPPO Reno4 Pro 5G |
|---|
| Processor Type (CPU) | Samsung Exynos 9611 | Qualcomm Snapdragon 765G | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 2.4 GHz | OPPO Reno4 Pro 5G has higher clock speed than Samsung Galaxy A51. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy A51 has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 620 |
| MEMORY | Samsung Galaxy A51 | OPPO Reno4 Pro 5G |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 12 GB | OPPO Reno4 Pro 5G has more RAM than Samsung Galaxy A51. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 256 GB | OPPO Reno4 Pro 5G has more internal memory than Samsung Galaxy A51. |
| User Memory | 107 GB | - | |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | - |
| CAMERA | Samsung Galaxy A51 | OPPO Reno4 Pro 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | - | 1/2" | |
| Sensor Name | - | Sony Exmor RS IMX586 sensor | |
| Lens Aperture | F/2.0 | F/1.7 | OPPO Reno4 Pro 5G has better lens aperture than Samsung Galaxy A51. |
| Lens Construction | - | 6-element | |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | OPPO Reno4 Pro 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Minimum Focal Length (Focal Distance) | - | 26 mm | |
| Optical Zoom | - | 2x | |
| Digital Zoom | 8x | 20x | OPPO Reno4 Pro 5G has better digital zoom than Samsung Galaxy A51. |
| Special Effects | - | HDR, Stickers | |
| Camera Modes | Slow motion mode, Live Focus mode | Panorama, Time-lapse mode, night mode, Expert Mode, Bokeh Mode, AI Beautify | |
| Light Source | LED flash | LED flash | |
| Still Image Resolutions | - | 8000 x 6000 | |
| Video Resolutions | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps | |
| Camera Features (Functions) | AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 5x Hybrid Zoom, 4-in-1 Pixel technology, contrast detection auto-focus (CDAF), laser detection auto focus (LDAF), Ultra Steady Video 3.0 |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 12 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.43" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RX IMX708 sensor | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 123 degree(s) | 120 degree(s) | Samsung Galaxy A51 has larger second camera lens field of view than OPPO Reno4 Pro 5G. |
| Pixel Size (2nd Camera) | - | 1.4 μm | |
| Minimum Focal Length (2nd Camera) | - | 16 mm | |
| Camera Functions (2nd Camera) | - | Autofocus | |
| Camera Modes (2nd Camera) | - | Ultra Night Mode | |
| Camera Features (2nd Camera) | - | 6P lens, 3cm macro shooting |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 13 Megapixel | OPPO Reno4 Pro 5G has higher resolution third camera than Samsung Galaxy A51. |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Lens Element Qty (3rd Camera) | - | 5-element | |
| Pixel Size (3rd Camera) | - | 1 μm | |
| Minimum Focal Length (3rd Camera) | - | 52 mm | |
| Camera Functions (3rd Camera) | Macro camera | Autofocus |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Type (4th Camera) | Telephoto lens | - | |
| Lens Aperture (4th Camera) | F/2.2 | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 32 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.2 | F/2.4 | Samsung Galaxy A51 has better front lens aperture than Samsung Galaxy A51. |
| Lens Element Qty (Front) | - | 5-element | |
| Focus Adjustment | Focus free | - | |
| Camera Modes (Front) | - | Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, AI Beauty, Portrait | |
| Still Image Resolutions (Front) | - | 6560 x 4928 | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | Samsung Galaxy A51 | OPPO Reno4 Pro 5G |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | - | SuperVOOC 2.0 Flash Charge | OPPO Reno4 Pro 5G has fast charging technology. |
| Recharge Time (Charging Time) | - | 36 min | |
| Standby Time | - | 425 hours | |
| Talk Time | 1920 minutes | 1440 minutes | Samsung Galaxy A51 has longer battery life when making calls than OPPO Reno4 Pro 5G. |
| Run Time Details | Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 20 hrs Playback (audio): up to 87 hrs Talk (4G): up to 1920 min |
Standby: up to 425 hrs Talk: up to 1440 min Playback (audio (w/headset)): up to 81 hrs Playback (audio (via speakers)): up to 27 hrs Playback (video): up to 18 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy A51 | OPPO Reno4 Pro 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OPPO Reno4 Pro 5G has more advanced generation mobile network. |
| Operating System | Android 10 | ColorOS 7.2 (based on Android 10) | |
| User Interface | One UI | - | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy A51 | OPPO Reno4 Pro 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.1 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A51 | OPPO Reno4 Pro 5G |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC, apt-X HD, APTX-TWS+ | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, MP4 | |
| Sound Enhancements | - | Dolby Atmos sound technology |
| FEATURES | Samsung Galaxy A51 | OPPO Reno4 Pro 5G |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, pedometer, gyro sensor, geomagnetic sensor, gravity sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display) | |
| Additional Phone Features | Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines | MU-MIMO technology |
| OTHERS | Samsung Galaxy A51 | OPPO Reno4 Pro 5G |
|---|
| Included Accessories | Power adapter | Headphones, power adapter, SIM card removal tool, USB-C cable, protective case |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
