lumiled luxeon cob gen4

[grisbi]

hello guyz!
new cob lumiled gen 4 are going to be available on digikey and mouser, seem to be really good are they worth the price?
https://www2.mouser.com/datasheet/2/602/DS162-luxeon-cob-core-range-datasheet-1313788.pdf

i hesitate on several model ( LUXEON CoB 1825 or LUXEON CoB 1321 ??), im gonna go on 3000k and 4000k ,can you tell me witch one is suppose to contest the cxb3590 from cree pliz.
wanna know the best efficient model @50w and @100w
best regards dudes!

 

[CobKits]

one is suppose to contest the cxb3590 from cree pliz.

theres a handful of more efficient chips on the market for years now (including other crees)

ill try to get a hold of some of these in 28mm package and test

 

[grisbi]

theres a handful of more efficient chips on the market for years now (including other crees)

ill try to get a hold of some of these in 28mm package and test

ok so if i refeer the size you told, you are speaking about the LUXEON CoB 1321 ( L2C5-xxxx1321E2900 )
cct: 4000K cri: 70 Luminous Flux (lm) minimum: 11866 typical: 13185 lm/w :167 Current (mA) :2100

this one loook like perfect to me, do you know how many watt can developpe at maximum those baby?
maj: i didnt read well, witch chips is more efficient for exemple?

 

[grisbi]

stop following the cob market since cxb3590 , is there better product on cob now?