In depth comparison and review of Sony WF-1000XM4 and OPPO Enco W51. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sony WF-1000XM4 | OPPO Enco W51 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 41 g | 55.5 g | Sony WF-1000XM4 are lighter than Sony WF-1000XM4 headphones. |
| Dimensions & Weight Details | Earphone: 7.3 g | - | |
| Colour | Black | Silver | White floral | Starry blue | |
| Earpad Material | Polyurethane foam | - | |
| Protection | Water-resistant | Dust-resistant, IP54, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sony WF-1000XM4 | OPPO Enco W51 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.0 | Sony WF-1000XM4 have a more advanced version of Bluetooth than OPPO Enco W51. |
| Bluetooth Profiles | Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Serial Copy Management System (SCMS-T) | - | |
| Bluetooth Audio Codec | SBC, AAC, LDAC | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Digital Noise Cancelling technology (DNC) | - | |
| Sound Output Mode | - | Stereo | |
| Sound Effects | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Ambient Sound Mode, Adaptive Sound Control, 360 Reality Audio | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 103 dB | |
| Diaphragm | 6 mm | 7 mm | OPPO Enco W51 have a thicker diaphragm than Sony WF-1000XM4. |
| Magnet Material | Neodymium | - | |
| Features | Precise Voice Pickup Technology, Quick Attention function, Microsoft Swift Pair, Processor V1, Automatic Wind Noise Reduction, Speak-to-Chat | - |
| MICROPHONE | Sony WF-1000XM4 | OPPO Enco W51 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sony WF-1000XM4 | OPPO Enco W51 |
|---|
| Controls | Tap control | - |
|---|
| CABLE | Sony WF-1000XM4 | OPPO Enco W51 |
|---|
| Cable Type | USB-C charge cable - detachable | - |
|---|
| FEATURES | Sony WF-1000XM4 | OPPO Enco W51 |
|---|
| Internet of Things (IoT) Compatible | Yes | - | |
|---|---|---|---|
| Intelligent Assistant | Google Assistant, Alexa | - | |
| Sensors | Proximity sensor, bone sensor | - |
| BATTERY AND CHARGING | Sony WF-1000XM4 | OPPO Enco W51 |
|---|
| Battery Type | Headphone battery rechargeable - wireless charging | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 25 mAh | |
| Battery Life | 12 hour(s) | 4 hour(s) | Sony WF-1000XM4 lasts longer on a single charge than the OPPO Enco W51. |
| Battery Life Details | Continuous playback (noise cancelling OFF): up to 12 hours Continuous playback (noise cancelling ON): up to 8 hours Continuous talk (noise cancelling OFF): up to 6 hours Continuous talk (noise cancelling ON): up to 5.5 hours |
Continuous playback (noise cancelling OFF / cable connection): up to 24 hours Continuous playback (noise cancelling ON / cable connection): up to 20 hours Continuous playback (noise cancelling OFF): up to 4 hours Continuous playback (noise cancelling ON): up to 3.5 hours |
|
| Wireless Charging Standards | Qi | - | |
| Charging Time | 1.5 hour(s) | - | |
| Included Qty | - | 2 |
| CONNECTIONS | Sony WF-1000XM4 | OPPO Enco W51 |
|---|
| Connector Type | Bluetooth USB (power only) (USB Type-C) |
- |
|---|
| OTHERS | Sony WF-1000XM4 | OPPO Enco W51 |
|---|
| Included Accessories | USB-C to USB-A cable, 3 sizes of noise isolation earbud tips | Charging case (480 mAh) | |
|---|---|---|---|
| Compliant Standards | IPX4 | - |
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