# What is the brightest LED? Lumen Outputs and Comparisons

So you want to know what our brightest LED is? I can tell you first hand that you definitely are not alone on that one. We get that question asked a lot, and to be honest, there is no straight up answer. We have different kinds of LEDs, different color temperatures, and different arrays that make the answer long winded which is why I’m dedicating a whole blog post to answering it as best I can.

It is worth noting that the days of measuring brightness by the wattage of a bulb are coming to an end as LEDs continue to gain traction. Component LEDs are measured in Lumens which is a measurement of light that is hard to explain if you don’t already have a rough idea of Lumen outputs and such. The best way I can explain it is with this diagram I made up a ways back that shows certain Incandescent bulb wattages and the Lumens they give off so you have an idea of what to compare it to.

## The Larger LED Arrays

As I touched on in the opening paragraph it is hard to straight up compare all of our LEDs as we carry many different kinds. Our chip on boards like the Cree CXB will be the brightest option you can buy as a single board from us here at LEDSupply. The CXA is a high density array that gives off crazy Lumens for a small footprint as you can see from the output numbers on the product page and in the tables below. You also will notice that they can run at lower current ranges and the voltages are much higher as well, making it so wattage of your light will even out a bit (wattage = current (A) x forward voltage). So basically, if you are looking for a quick answer, here it is, the Cree CXA is our brightest option as a single LED light!

The last kind of odd ball LED we offer is the Cree MC-E which is a multi-die LED. The MCE has 3 die in the center all under the same dome. The MCE is good if you want to drive at low currents and still get good output but as far as brightness goes you could definitely do better as other LEDs are capable of being run at much higher currents.

Now that we got the odd ball LEDs out of the way it is time for more straight forward comparisons. We sell our high power LEDs as bare emitters or in surface mount 1-Up and 3-Up options on our MCPCB Star Board. We set the LEDs on these boards for you so that you can easily connect power to them and so forth. The board is .75” in diameter and has solder points around the perimeter. These LEDs are mostly from the Cree XLamp family, however, we also carry the Luxeon Rebel which will be included in the Lumen comparisons below.

## Testing Temperatures and Hot Binning

Before we jump into the actual Lumen numbers I want to clarify that the below charts and tables show lumen numbers when tested at 25ºC. This is the standard for testing Lumen output and we pulled all of our information straight from this Cree LED comparison tool and the Luxeon Data sheets. These Lumens are accurate when the LEDs are running at temps around 25ºC, however, sometimes it is hard to keep LEDs at that low of a temperature which is why we have Lumen numbers tested at 85ºC on some of our product pages. This is a process called hot binning as it shows the LEDs output when running at hotter temperatures. I just wanted to point this out so you didn’t see these lumen numbers here and then go to the product pages and see different numbers and get all sorts of confused. Just make sure look at the test temperature listed so you know what to expect and understand the difference.

## Color Temperature and Brightness

Color temperature has a direct effect on brightness. Color temperature works in the sense that lower temperatures around 3,000K are warm white, and higher temps like 6,500K+ are cool white. Neutral white is the middle ground usually around 4,000-6,000K. It is an industry standard that cool white LEDs are brighter than warm white. If you take the XP-G2 for example you can see that the lumen output for the LED ran at 350mA is as follows:

• warm white =121 lumens
• neutral white = 129 lumens
• cool white (6500K) = 158 lumens

So if you are just looking for the brightest light possible and don’t care whether it is warm or cool then you should always stick with cool white to make sure you get the brightest light from your LED of choice. Take a look at the following tables for warm white, neutral white, and cool white lumen numbers. Keep in mind that these numbers are for 1 up LEDs so if you want brighter you can always go with the 3 up which will triple these numbers. The only LEDs not available in a 3 up option are the CXA, Luxeon K and MC-E as touched on earlier and the Cree XM-L2 as it has a larger die and 3 LEDs cannot be wired on our star board MCPCB.

Cool-White LED Brightness Comparison Table

LED MFG
Type
CCT Range Lumenous Flux (lm) @ 25°C
Forward Voltage (Vf)
LEDSupply Part Number MFG Emitter
Order Code
Min. Typ. Max. Group 350mA 700mA 1000mA 1500mA 3000mA 1-Up 3-Up
Luxeon Rebel 5000 K 5000 K 10,000 K N 105 (3V) 189 (3.2V) 236 (3.4V) N/A N/A 07040-PW750-N 07007-PW750-N LXML-PW31
Cree XP-E2 5000 K 5000 K 10,000 K Q4 116.7 (3.04V) 200 (3.19V) 254.5 (3.29V) N/A N/A CREEXPE2-750-1 CREEXPE2-750-3 XPEBWT-L1-0000-00C51
Cree XP-G2 5000 K 5000 K 8300 K R2 129.3 (2.91V) 236.4 (3.04V) 314.4 (3.12V) 426.3 (3.25V) N/A CREEXPG2-W129 CREEXPG2-W387 XPGBWT-L1-0000-00EE4
Cree XT-E 5000 K 6500 K 8300 K R4 149.2 (3V) 265.6 (3.2V) 347.1 (3.33V) 459.6 (3.52V) N/A CREEXTE-W130 CREEXTE-W390 XTEAWT-00-0000-00000G51
Cree XP-G2 5000 K 6500 K 8300 K R5 157.6 (2.91V) 288.2 (3.04V) 383.4 (3.12V) 519.8 (3.25V) N/A CREEXPG2-W158 CREEXPG2-W474 XPGWHT-L1-0000-00H51
Cree XM-L2 5000 K 6500 K 8300 K T6 166.9 (2.84V) 318.9 (2.95V) 437.9 (3.02V) 616.1 (3.14V) 1048.1 (3.43V) CREEXML2-W318 N/A XMLBWT-00-0000-0000T6051
Cree XP-L 5000 K 6500 K 8300 K V5 192 (2.87V) 363.7 (2.98V) 499.7 (3.06V) 705.7 (3.17V) 1198.9 (3.46V) CREEXPL-665-1 CREEXPL-665-3 XPLAWT-00-0000-0000V5051
Cree MC-E 5000 K 6500 K 8300 K M 430 (12.4V) 750.7 (13.61V) N/A N/A N/A CREEMCE-W430 N/A MCE4WT-A2-0000-000M01
Cree XHP35 5000 K 6500 K 8300 K E4 716.9 (11.78V) 1270.3 (12.36V) 1653.9 (12.78V) N/A N/A CREEXHP-765-1 CREEXHP-765-3 XHP35A-00-0000-0D00E40E1
Cree CXB 1310 5000 K 5000 K 8300 K K4 897.7 (18.15V) 1428.5 (18.82V) 1877.2 (19.43V) N/A N/A CXB1310-18-5000 N/A CXB1310-0000-000F00K450F
Cree CXB 1520 5000 K 5000 K 8300 K P4 1646.2 (36.14V) 2913.2 (37.9V) N/A N/A N/A CXB1520-35-5000 N/A CXB1520-0000-000N00P250F

Neutral-White LED Brightness Comparison Table

LED MFG
Type
CCT Range Lumenous Flux (lm) @ 25°C
Forward Voltage (Vf)
LEDSupply Part # MFG Emitter
Order Code
Min. Typ. Max. Group 350mA 700mA 1000mA 1500mA 3000mA 1-Up 3-Up
Luxeon Rebel 3500 K 4000 K 5000 K N 105 (3V) 189 (3.2V) 236 (3.4V) N/A N/A 07040-PW740-N 07007-PW740-N LXML-PW51
Cree XP-E2 3700 K 4000 K 5300 K Q4 116.7 (3.04V) 200 (3.19V) 254.5 (3.29V) N/A N/A CREEXPE2-740-1 CREEXPE2-740-3 XPEBWT-L1-0000-00CE4
Cree XP-G2 3700 K 4000 K 5300 K R2 129.3 (2.91V) 236.4 (3.04V) 314.4 (3.12V) 426.3 (3.25V) N/A CREEXPG2-NW129 CREEXPG2-NW387 XPGBWT-L1-0000-00EE4
Cree XM-L2 3700 K 4000 K 5300 K T5 154.9 (2.84V) 296.1 (2.95V) 406.6 (3.02V) 572.1 (3V) 973.2 (3.43V) CREEXML2-NW296 N/A XMLBWT-00-0000-000LT50E4
Cree XP-L 3700 K 4000 K 5300 K V3 175.3 (2.87V) 332 (2.98V) 456.3 (3.06V) 644.3 (3.17V) 1094.6 (3.46V) CREEXPL-740-1 CREEXPL-740-3 XPLAWT-00-0000-000LV30E5
Cree MC-E 3700 K 4000 K 5300 K K 370 (12.4V) 646 (13.61V) N/A N/A N/A CREEMCE-NW370 N/A MCE4WT-A2-0000-000KE4

Warm-White LED Brightness Comparison Table

LED MFG
Type
CCT Range Lumenous Flux (lm) @ 25°C
Forward Voltage (Vf)
LEDSupply Part # MFG Emitter
Order Code
Min. Typ. Max. Group 350mA 700mA 1000mA 1500mA 3000mA 1-Up 3-Up
Luxeon Rebel 2700 K 3000 K 4000 K K 77 (3V) 130 (3.2V) 173 (3.4V) N/A N/A 07040-PW830-K 07007-PW830-K LXM3-PW71
Cree XP-E2 2200 K 3000 K 3700 K Q2 102 (3.04V) 174.8 (3.19V) 222.5 (3.29V) N/A N/A CREEXPE2-830-1 CREEXPE2-830-3 XPEBWT-L1-0000-00AE7
Cree XT-E 2600 K 3000 K 3700 K Q4 114.8 (3V) 204.3 (3.2V) 267 (3.33V) 353.6 (3.52V) N/A CREEXTE-WW100 CREEXTE-WW300 XTEAWT-00-0000-00000LCE7
Cree XP-G2 2600 K 3000 K 3700 K Q5 121.3 (2.91V) 221.9 (3.04V) 295.1 (3.12V) 400.1 (3.25V) N/A CREEXPG2-WW121 CREEXPG2-WW363 XPGBWT-L1-0000-00DE7
Cree XM-L2 2600 K 3000 K 3700 K T3 131.1 (2.84V) 250.6 (2.95V) 344 (3.02V) 484.1 (3.14V) 823.5 (3.43V) CREEXML2-WW227 N/A XMLBWT-00-0000-000LT30E7
Cree XP-L 2700 K 3000 K 3500 K U6 158.6 (2.87V) 300.4 (2.98V) 412.8 (3.06V) 582.9 (3.17V) 990.4 (3.46V) CREEXPL-830-1 CREEXPL-830-3 XPLAWT-00-0000-000LU60E7
Cree MC-E 2600 K 3000 K 3700 K J 320 (12.4V) 558.7 (13.61V) N/A N/A N/A CREEMCE-WW320 N/A MCE4WT-A2-0000-000JE7
Cree CXB 2600 K 2700 K 3700 K J2 723.8 (18.15V) 1151.7 (18.82V) 1513.4 (19.34) N/A N/A CXB1310-18-2700 N/A CXB1310-0000-000F00H427F
Luxeon K 8-Up 2600 K 3000 K 3700 K A 855 (21V) 1496.2 (22V) 2137.5 (22.75) N/A N/A LUXEON-K-COBWW08 N/A LXK8-PW30-0008
Cree CXB 1520 2600 K 2700 K 3700 K M4 1244.1 (36.14V) 2201.5 (37.9V) N/A N/A N/A CXB1520-35-2700 N/A CXB1520-0000-000N00M427F
Luxeon K 12-Up 2600 K 3000 K 3700 K A 1280 (31.5V) 2240 (32.75V) 3200 (33.5) N/A N/A LUXEON-K-COBWW12 N/A LXK8-PW30-0012

This snippet about the XM-L2 brings about another important factor, size. Size is a factor as sometimes you need the brightest possible light in a small area. In my last post I compared the XP-L and XM-L2 which you can see here. I addressed this comparison as many people noticed that the XP-L was marketed as being the brightest but that the XM-L2 was not far behind. You can read more about it in the post but the XP-L is basically the XM-L2 die in a smaller package. The smaller package made it possible to then fit 3 of these high brightness LEDs onto our star board to triple the output. One on one the Cree XP-L doesn’t seem too much better than the XM-L2, but when you see that the XP-L can triple this in the same size footprint, the numbers game totally changes.

I hope I haven’t confused you through this post but you can see that measuring brightness is a bit harder than just looking at all the lumen outputs and saying this is the stand alone brightest. If you want an answer to the brightest LED as far as the bare emitters and surface mounts go it is the Cree 3-up XP-L. Hopefully this post will prove useful to you in your research in finding the LED best for you.

#### Taylor Scully

Marketing and technology enthusiast helping pave the way to a more energy-efficient society. Living in the beautiful state of Vermont and working for a company like LEDSupply that is helping provide LED products to save on energy is a great place to be to accomplish this. Always exploring and staying active outdoors while keeping a close eye on different trends and new technologies that could change the world for the better.

• Steve Godbe says:

Hi,

Do you actually manufacture the Light Engines in house. So if I want a specific LED on a specific MCPCB you can assemble this for me?

• Hi Steve,

Yes we are able to do this. All of our emitters are available on star boards. There are obviously a few limitations for some specific LEDs but what were you interested in? Feel free to reach out via email as well at sales@ledsupply.com