In depth comparison and review of Razer Hammerhead True Wireless and Devialet Gemini. 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 | Razer Hammerhead True Wireless | Devialet Gemini |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | - | Charging case: 5.8 cm x 7.4 cm x 3.1 cm / 76 g Earbud: 1.8 cm x 3.3 cm x 1.5 cm / 8 g |
|
| Colour | - | Matte black | |
| Protection | Splashproof, waterproof, IPX4 | Splashproof, IPX4, dust-proof | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Razer Hammerhead True Wireless | Devialet Gemini |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 EDR | Bluetooth 5.0 | Devialet Gemini have a more advanced version of Bluetooth than Razer Hammerhead True Wireless. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC | aptX | |
| Active Noise Cancelling | - | Yes | Devialet Gemini are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Internal Delay Compensation technology | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 20000 Hz | Devialet Gemini offer a larger frequency range than Razer Hammerhead True Wireless. |
| Max Input Power | 8 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Sensitivity | 91 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 13 mm | 10 mm | Razer Hammerhead True Wireless have a thicker diaphragm than Devialet Gemini. |
| Features | - | Ear Active Matching, Pressure Balance Architecture |
| MICROPHONE | Razer Hammerhead True Wireless | Devialet Gemini |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 300 - 5000 Hz | - | |
| Sensitivity | -42 dB | - | |
| Signal-To-Noise Ratio | 55 dB | - |
| REMOTE CONTROL | Razer Hammerhead True Wireless | Devialet Gemini |
|---|
| Controls | Power on/off, answer/end, play/pause, next/previous track, reject call, skip track, pair mode, voice assistant | Play/pause, voice assistant, ANC/ambient |
|---|
| CABLE | Razer Hammerhead True Wireless | Devialet Gemini |
|---|
| Cable Type | USB-C charge cable - detachable | Charging cable - detachable |
|---|
| FEATURES | Razer Hammerhead True Wireless | Devialet Gemini |
|---|
| Features | Touch control | Touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Razer Hammerhead True Wireless | Devialet Gemini |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 3 hour(s) | 6 hour(s) | Devialet Gemini lasts longer on a single charge than the Razer Hammerhead True Wireless. |
| Battery Life Details | Continuous playback: up to 3 hours Continuous playback (with included charging case): up to 13 hours |
Continuous playback (noise cancelling ON): up to 6 hours Continuous talk: up to 4 hours Continuous talk (noise cancelling OFF): up to 4.5 hours Continuous playback (with included charging case): up to 24 hours |
|
| Charging Time | 1.5 hour(s) | 1.5 hour(s) | The charging of both headphones last the same time. |
| OTHERS | Razer Hammerhead True Wireless | Devialet Gemini |
|---|
| Included Accessories | Wrist strap, charging case, silicone ear tip | Charging case, charging cable, 4 pairs of ear tips (XS, small, medium, large) | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - | |
| Compliant Standards | - | IPX4 | |
| Service & Support | Limited warranty - 2 years | - |
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