The best GU10 LED bulbs for track lighting

A GU10 is not a screw-in bulb. It has two blunt pins with small feet on the ends, spaced 10 mm apart, and it goes in with a push and a quarter turn. Philips describes the same distinction the other way round for the bulb it is most often confused with: an MR16 on a GU5.3 base has two thin needle pins 5.3 mm apart that push straight in and do not twist.

The difference that matters is not the pins but what is behind them. A GU10 runs on line voltage - the 120V already in the ceiling - and connects directly to the circuit. A GU5.3 MR16 runs on 12V and needs a transformer between the circuit and the socket. They are not interchangeable in either direction, and a fixture is built for one or the other.

What makes this genuinely confusing is that MR16 is a shape, not a base. It describes a reflector about two inches across. Feit, Amazon Basics and Soraa all sell bulbs called MR16 that have a GU10 base and run on 120V; Sunco sells MR16 bulbs with a GU5.3 base that run on 12V. Two products with the same name in the title, and only one of them fits your head. Buy by the base.

If your ceiling takes screw-in flood bulbs rather than twist-lock spots, you are in different territory - see the BR30 bulbs recessed cans were built around instead. The full naming system is in bulb shapes and bases.

Track bulbs are sold almost entirely on wattage equivalence, which tells you nothing useful. These are the specifications that decide whether a head does its job, in the order they matter.

1. Base and voltage. A GU10 bulb for a 120V head, or a GU5.3 bulb for a 12V head. Everything else is irrelevant if the bulb will not go in, and a mismatch is the single most common reason these get returned.
2. Beam angle. This is what a track head is for - putting light on something in particular - and it is the figure most listings omit. A 40 degree beam washes a counter or a wall. A 10 degree beam puts a defined circle on one picture. Buy the wrong one and no amount of aiming fixes it. The geometry is in beam angle and spread.
3. CRI. Track lighting is nearly always pointed at something worth looking at: food on a counter, art on a wall, a bookshelf. Color rendering decides whether those look right. CRI 90 is the floor for a first pick here; the case for it is in best high-CRI LED bulbs.
4. Dimming. Tracks are often wired to a dimmer, and a non-dimmable bulb on a dimmer will buzz, flicker or simply refuse to work. One pick below is not dimmable, and it says so in bold. Which dimmer suits an LED load is covered in dimmer compatibility.
5. Lumens and color temperature, per head. A track divides its light between heads, so the per-bulb figure is what you plan with. Color temperature matters as much: most GU10 LEDs start at 3000K, and a living room usually wants 2700K.

We did not test these bulbs in a lab. Every figure below is the manufacturer's published specification, or the retailer listing where the maker publishes none, and the page it came from is in the sources at the foot of this page. Where two sources disagree, we say so rather than printing the flattering number.

Prices move daily, so we do not print them in the text. As a bracket: the multipacks from Feit, Luxrite, DEWENWILS, DiCUNO and Sunco all sit in the ordinary LED multipack range, a few dollars a bulb. The Soraa and the Hue are several times that per socket and are bought for one specific reason each. The live price, where Amazon publishes one, is on each buy button.

Feit Electric BPMR16GU10503CCTCA - the pick. 450 lumens from 6 watts at CRI 90, a 40 degree beam, dimmable, damp rated, and switchable between 3000K, 4000K and 5000K on the bulb itself. That combination - published CRI 90 and real dimming at an ordinary multipack price - is rarer in GU10 than in a standard A19, and the selectable color means one pack can serve a kitchen track at 4000K and a hallway at 3000K. Feit publishes 25,000 hours and a 5-year warranty, the longest here.
Cons: the warmest setting is 3000K, so a living room that wants 2700K is out; the color is set before the bulb goes in the head, so changing it means taking it back out; 40 degrees is the only beam it offers; sold in threes, so a six-head track needs two packs. If you know you want plain 3000K and no switch, Feit sells the same output as a fixed bulb.

Luxrite LR21504 - the one that does 2700K. Five settings from 2700K to 5000K, 500 lumens from 6.5 watts, CRI 90, a 40 degree beam and TRIAC dimming, all published on Luxrite's own page. It is the only selectable GU10 we found whose range reaches down to 2700K, which is the setting most living rooms and bedrooms actually want. If your track is in a room people relax in rather than work in, this is the pick.
Cons: the priciest of the plain white picks per bulb; a 3-year warranty against Feit's 5; the same 40 degree flood beam; and the enclosed fixture rating appears on the Amazon listing but not on Luxrite's own page, so we would not rely on it for a sealed fitting.

Feit Electric BPMR16GU10753CCTCA - for high ceilings. The same bulb as the pick with a third more light: 600 lumens from 7 watts, CRI 90, 40 degrees, 25,000 hours. Light falls off with distance faster than people expect, so a head ten feet up throwing at a counter needs more output than the same head on an eight-foot ceiling. This is the cheapest way to buy that margin.
Cons: still no 2700K; a brighter head glares more if it sits in your sightline; and the 75W-equivalent label muddles the one check worth doing, which is the head's own wattage rating - 7 actual watts is far inside a 50-watt head.

DEWENWILS 6-pack GU10 - the cheapest way to fill a track. 500 lumens at 3000K, dimmable, six to a pack, at roughly a third of the per-bulb price of the name brands. A track with mismatched bulbs looks worse than a track with cheap ones, and six identical bulbs for the price of three is how you fix a half-dead track in one order.
Cons: no CRI published anywhere, so color quality is genuinely unknown; no beam angle published either, so you cannot predict the pool of light before it arrives; no manufacturer spec page we could open; and 7 watts for 500 lumens makes it the least efficient mains-voltage pick here.

DiCUNO ProOE GU10 - the highest color rendering, if you never dim. CRI 98 claimed, 400 lumens from 5 watts at 3000K, with a 35 degree beam - tighter than everything else here bar the Soraa. For a bookshelf, a gallery wall or a kitchen where food is the subject, color rendering is the specification you feel.
Cons: not dimmable, which rules it out of any track on a dimmer and is the single biggest reason to skip it; 400 lumens is the least light of the mains-voltage picks; the CRI 98 figure is the seller's own, on the listing only, with no third-party test behind it; and no rated life or warranty is published at all.

Soraa Vivid MR16 GU10, 10 degree - the only real accent beam. 410 lumens at 3000K with CRI 95 and R9 95 - the deep-red figure that decides whether wood, skin and red objects look alive or muddy, and the only R9 number published for any bulb on this page. The 10 degree beam is the point: it lands a defined circle on a painting or a plant instead of washing the wall around it.
Cons: by far the most expensive bulb here, several times the price of a three-pack of the Feit; a 10 degree beam is wrong for general light, so this is a second bulb for one or two heads, not a whole track; Soraa's own spec sheet is a PDF we could not open, so the figures come from a distributor listing; and the Amazon listing states neither the model number nor a pack count.

Philips Hue White and Color Ambiance GU10 - dimming without a dimmer. 450 lumens at 4000K, adjustable from 2000K to 6500K plus color, at 4.7 watts, with 110-130V input and 25,000 hours published for the US model. It works over Bluetooth for up to ten bulbs before a Hue Bridge is needed. For a renter with a track on a plain switch, this is the way to get dimming without touching the wiring - see renter-friendly smart lighting.
Cons: several times the cost per head of everything else; no CRI published for this model; a 2-year warranty against Feit's 5; no beam angle published; and it has to stay powered at the wall, so anyone who flips the switch off out of habit breaks the control until it goes back on.

Sunco MR16 two-pin, 12-pack - only if your track is 12V. This is the bulb people order by mistake, and the right answer when the fixture genuinely is low voltage: a GU5.3 two-pin at 550 lumens and 5000K, twelve to a pack, 25,000 hours and UL listed per the listing. The same base turns up in a lot of range hoods, which is the other place this pack earns its keep.
Cons: it will not fit a GU10 head - the pins are closer together and push in rather than twisting; it needs a working 12V transformer, which is where low-voltage tracks usually fail; 5000K only in this pack, which is cold for a living space; and Sunco's own GU5.3 page lists a 5W bulb at 500 lumens and CRI 80+ where the listing sells a 5.5W at 550, so the two sources do not agree.

A kitchen track over a counter. The Feit 50W-equivalent set to 4000K, or the 75W-equivalent if the ceiling is high. CRI 90 on food, a 40 degree beam that covers a working width, and dimming for the evening.

A living room or bedroom track. The Luxrite at 2700K. It is the only pick here that reaches the temperature a room people relax in should be, and the reason why is in 2700K vs 3000K.

Lighting a picture, a plant or an object. The Soraa Vivid at 10 degrees in one or two heads, with ordinary flood bulbs in the rest. Buying eight narrow spots gives you eight bright circles and a dark room.

A whole track to re-bulb on a budget. The DEWENWILS six-pack. Accept that CRI and beam angle are unpublished, and buy it for a hallway or a utility run rather than over a dining table.

A rental where the track is on a plain switch. The Hue GU10, which brings dimming and color temperature without a wall change your lease would have to allow. What you can and cannot change is in can you change a light fixture in an apartment.

A fixture whose bulbs have thin pins that pull straight out. The Sunco GU5.3 pack - that is a 12V fixture, and no GU10 on this page will fit it.

No track yet. Buy the fixture first and the bulbs second, and prefer a head that takes standard bulbs over an integrated LED - the comparison is in best track lighting, and the renter-safe version that runs off an outlet is in plug-in track lighting.

Power off, then push and twist. A GU10 goes in with a push and a quarter turn clockwise, and comes out with a push and a quarter turn the other way. It should not need force. If it does, the pins are not seated in the slots - back off and start again rather than leaning on a bulb over your head.

Check the head's wattage rating once, then forget it. A typical GU10 track head is rated to 50 watts, which was a halogen limit. Every mains-voltage bulb here draws between 4.7 and 7.5 actual watts, so you are nowhere near it - the 50W or 75W equivalence printed on the box is not what the rating refers to.

Aim the heads before you judge the bulbs. A 40 degree beam from eight feet up lands a pool of light roughly six feet across; the same head at 10 degrees lands about sixteen inches. Most complaints about track lighting are aiming problems, not bulb problems.

One color temperature per track. The eye judges a single white badly and two adjacent whites extremely well. Four heads at 3000K and two at 4000K will look wrong from across the room even though every bulb is fine on its own.

If the track is dimmed, buy dimmable and check the dimmer. Six LED bulbs at 6 watts is a 36 watt load, which is below the minimum some older dimmers need to run steadily. That, not the bulb, is the usual cause of flicker at the low end - see dimmer compatibility and why dimmable LEDs flicker.