Wednesday, October 4th 2017

Intel Core i7-8700K "Coffee Lake" De-lidded, Reveals Larger Die

A member of the HKEPC tech community, with access to an upcoming Core i7-8700K six-core mainstream-desktop processor, wasted no time in de-lidding it (removing its integrated heatspreader or IHS). It was revealed that Intel is still using thermal-paste between the IHS and the CPU die. The "Coffee Lake" die itself is as wide as the "Kaby Lake," but is visibly longer. It has a die area of approximately 151 mm², compared to the 126 mm² of "Kaby Lake." This is due to its increased CPU core count to 6, and a proportionate increase in last-level cache (L3 cache) to 12 MB. The die is marginally northwest of center, so you can get away placing your TIM blob dead-center of the IHS.
Sources: VideoCardz, HKEPC (Facebook)
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17 Comments on Intel Core i7-8700K "Coffee Lake" De-lidded, Reveals Larger Die

#1
ps000000
Hmmm I read the news about Z390 mobo.
Posted on Reply
#2
R00kie
There wasn't any die shrinks in the process, so all of this makes sense.
Posted on Reply
#3
ppn
Yeah in 1 year 9700K intel gets real with 176 mm2 8-core. Could be 10 core if integrated video is replaced with another 2-core.... 6-core is just odd despite being even.
Posted on Reply
#4
bug
I'm shocked, I totally didn't expect this :rolleyes:
Posted on Reply
#5
londiste
4 cores and igpu is 126 mm2.
6 cores and igpu is 151 mm2.
that makes the size of igpu 76 mm2 and single core 12,5 mm2.

edit:
ppn is right, 8-core with igp would be 176 mm2. 10-core with igp would be 201 mm2.
since the comparison should be relevant, ryzen is around 195 mm2.
Posted on Reply
#6
dicktracy
Bigger die size is great. There's a reason the 7980XE runs as cool as it does despite using thermal paste.
Posted on Reply
#7
dj-electric
dicktracyBigger die size is great. There's a reason the 7980XE runs as cool as it does despite using thermal paste.
Huge emphasis on the word "cool" here.

But yes, people will also be surprised by the actual power consumption of those chips.
Posted on Reply
#8
R-T-B
bugI'm shocked, I totally didn't expect this :rolleyes:
Not all news has to be shocking.
Posted on Reply
#9
dicktracy
Dj-ElectriCHuge emphasis on the word "cool" here.

But yes, people will also be surprised by the actual power consumption of those chips.
A Noctua D15s being able to tame that beast is a feat on its own.
Posted on Reply
#10
peche
Thermaltake fanboy
btarunrIt was revealed that Intel is still using thermal-paste between the IHS and the CPU die.
this wont stop, dunno why people gets impressed by this, only extreme processors are soldered still,
Regards,
Posted on Reply
#11
ZoneDymo
dicktracyBigger die size is great. There's a reason the 7980XE runs as cool as it does despite using thermal paste.
Runs cool? pretty sure I saw in the gamers nexus vid those run really hot
Posted on Reply
#12
Ruru
S.T.A.R.S.
To be honest I was expecting a larger die than what it is.

If there is something good about this release, at least those KBL compatible delid tools are still compatible.
Posted on Reply
#13
bug
R-T-BNot all news has to be shocking.
Nor does it have to be useless/beyond obvious ;)
Posted on Reply
#14
R-T-B
bugNor does it have to be useless/beyond obvious ;)
Meh, it's tech. Nekkid chips be like porn.
Posted on Reply
#15
dicktracy
ZoneDymoRuns cool? pretty sure I saw in the gamers nexus vid those run really hot
A Noctua D15s can cool it easily at 64c.
Posted on Reply
#16
Vayra86
ZoneDymoRuns cool? pretty sure I saw in the gamers nexus vid those run really hot
That was the OC, 5100mhz @ 94C 1.4v, I believe they had it under water too?
Posted on Reply
#17
GlacierNine
pechethis wont stop, dunno why people gets impressed by this, only extreme processors are soldered still,
Regards,
The 7980XE isn't soldered. None of Intel's current lineup is.
Posted on Reply
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