H11 vs 9005 vs 9006: Differences and Similarities of Auto Bulbs
The H11, 9005, and 9006 are types of automotive headlight bulbs commonly used in vehicles. Each bulb has its own characteristics in terms of beam pattern, brightness, compatibility, and other factors.
When you're ready to upgrade your halogen lamps to LED bulbs, AUXITO's line of H11 LED bulbs, 9005 LED bulbs and 9006 LED bulbs should be at the top of your list. Offering compatibility, brightness, color temperature options, longevity and a trusted brand reputation, AUXITO is the best choice for your lighting needs.

Here's a concise table summarizing the differences and similarities between H11, 9005 (HB3), 9006 (HB4), and H8/H9 bulbs:
Bulb Type | Primary Usage | Brightness (Lumen Rating) | Compatibility with Car Models | Plug Base | Lifespan | Wattage |
---|---|---|---|---|---|---|
H11 | Low Beam, Fog Lights | Around 1350 lumens | Designed for H11 sockets | Pins closer together, lugs on both ends | Similar to 9006 bulbs when used as low beams | 55W |
9005 (HB3) | High Beam | Around 1700 lumens | Not compatible with H11 sockets without conversion | Plug does not have lugs | Longer service life compared to H11 bulbs | 65W |
9006 (HB4) | Low Beam, Fog Lights | Around 1000 lumens | Not compatible with H11 sockets without modifications | Plug does not have lugs | Similar to H11 bulbs when used as low beams | 55W |
H8/H9 | High Beam, Fog Lights | Varies based on wattage | Interchangeable in many cases with H11 bulbs | Pins closer together, lugs on both ends | H9 bulbs (65W) may have relatively longer service life | H8: 35W, H9: 65W |
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H11 VS 9005 (HB3)


Differences
- Beam pattern: H11 is primarily used as a low beam bulb, while 9005 is a powerful high beam option.
- Brightness: The 9005 bulb generally emits more light with a lumen rating of around 1700 lumens, making it one of the brightest halogen bulb choices. The H11 bulb has a lower lumen output of around 1350 lumens, suitable for dipped beams.
- Compatibility with car models: H11 bulbs cannot be directly plugged into a 9005 socket. However, with a conversion kit, it is possible to install a 9005 bulb in an H11 socket.
- User Preference: Typically, H11 bulbs are commonly used as low beams, while 9005 bulbs are used as high beams in most car models.
- Plug Base: H11 has pins that are closer together and lugs on both ends of the plug, while the 9005 bulb plug does not have this feature.
- Lifespan: The lifespan of bulbs with the same material specification is generally similar. However, since 9005 bulbs are used less frequently as high beams, they tend to have a longer service life compared to H11 bulbs used as low beams.
- Wattage: The standard H11 bulb has a wattage of 55 watts, while the standard 9005 (HB3) bulb has a higher wattage of 65 watts. The higher wattage of the 9005 bulb provides more output, making it suitable for high beams and dual beam applications.
Similarities
- Shape: Both H11 and 9005 (HB3) bulbs have a similar "L" type design, making them plug and play models. They have single filaments and can be used as standalone bulbs for high beam, low beam, fog lights, and other light positions.
- Bulb type: Both H11 and 9005 (HB3) bulbs are available in three material options: halogen, HID, and LED. This provides users with a choice of different technologies to suit their preferences and requirements.
- Color temperature: Both H11 and 9005 (HB3) bulbs offer a range of color temperature options typically spanning from 2700K to 6500K. This allows users to select different color modes such as white, yellow, blue, red, or purple, depending on their desired lighting aesthetics.
H11 VS 9006(HB4)

Differences
- Brightness: H11 bulbs have a higher lumen rating and emit around 1350 lumens, while 9006 bulbs have a lower lumen rating and emit approximately 1000 lumens. This makes H11 bulbs brighter than 9006 bulbs, especially when used as low beam bulbs.
- Compatibility with models: H11 bulbs cannot be directly plugged into 9006 sockets. However, with appropriate modifications, 9006 bulbs can be used in H11 sockets.
- Plug base: The pins of H11 bulbs are closer together than those in 9006 sockets. Additionally, H11 bulbs have lugs on both ends of the plug, whereas 9006 bulbs do not have this feature.

Similarities
- Shape: Both H11 and 9006 bulbs have a similar "L" shape design, making them plug and play models. They are single-filament bulbs used for high beam, low beam, or fog lights.
- Bulb type: Both H11 and 9006 bulbs are available in three material options: halogen, HID and LED.
- Color temperature: H11 and 9006 bulbs offer a range of color temperature options typically ranging from 2700K to 6500K. Users can choose different color modes such as white, yellow, blue, red, or purple.
- User preference: H11 and 9006 bulbs are commonly used as low beam bulbs, and they are interchangeable in many cases.
- Wattage: Both H11 and 9006 bulbs have a standard wattage of 55 watts for halogen bulbs.
- Beam pattern: Both 9006 and H11 bulbs are commonly used for low beam and fog lamps.
H11 VS H8 H9
H11, H8, and H9 bulbs are often discussed together due to their similar bulb size, shape, locking tabs, and connectors.
To accommodate different bulb types, many aftermarket LED bulb manufacturers currently design their H11 LED bulbs to be compatible with multiple bulb types, such as H8 and H9.
These adaptations are intended to make LED bulbs suitable for different bulb types. Despite these claims, it is important to understand that halogen H11, H8 and H9 bulbs have different electrical specifications and physical dimensions.

- Wattage: In terms of standard halogen bulbs, H11 has a wattage of 55W, while H9 has a wattage of 65W. This means that H9 bulbs emit more luminous flux and are brighter, making them more suitable for high beam applications.
- Brightness: The brightness of a bulb depends on its quality and wattage. In the case of standard halogen bulbs, H9 bulbs are generally brighter than H11 bulbs of the same quality.
- Durability (lifespan): The lifespan of headlight and fog lamp bulbs of the same quality is typically similar. However, since the standard halogen H9 bulb has a higher wattage (65W) compared to H11 (55W), the H9 bulb may have a relatively longer service life. This is because the H9 bulb is often used as a high beam, which means it is turned on less frequently compared to the H11 bulb used as a low beam.
It's important to note that if you're considering LED versions of H11, H9, or H8 bulbs, they are usually the same in terms of physical compatibility and can be used interchangeably. However, the specific differences would depend on the power rating of the LED product being used.
FAQ
Question: Is H11 a low beam bulb?
Answer: These types of bulbs can be used for both headlights and fog lights if desired. This just means that more people choose to use the H11 for low beam based on features such as its power and luminous efficiency. However, H11 can also be used for other lights in different positions of the car, depending on individual needs and the car model chosen.
Question:Can I use H8 instead of H11 or H9 instead of H11(LED)?
Answer: Yes. They are the same bulb.
Question: Can 9005 and H11 be used interchangeably?
Answer: No. These two bulbs are different and cannot be used interchangeably. But 9005 can be installed in H11 socket by modification such as conversion kit. However, when you consider both have different purposes in the car lighting unit; it is advisable not to mix them up. Similarly, 9006 and H11 cannot be used interchangeably. If you must plug in the H11 socket, you need to modify the 9006.
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