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Intel Core i7 7740X processor review
Posted by: on: 07/07/2017 03:19 PM [
50 comment(s) ]
For this test we'll review the quad core Core i7 7740X from Intel. Yes this is Kaby Lake -X, the more affordable processor that you will need to seat on a X299 motherboard. Albeit limited towards dual-channel memory, the processor does a good job, as well as it being tweakable towards 5.2 GHz on all cores.
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Core i7 7740X processor review
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Bentez
Senior Member
Posts: 1307
Senior Member
Posts: 1307
Posted on: 07/07/2017 03:45 PM
Nice review HH,
5.2GHz is impressive, especially for an ES chip.
A quad core on Intel's HEDT platform in 2017 does seem a bit out of touch.
I think even Threadripper's cheapest chip will smash this in multi-threaded loads but then that's not really what the 7740X is about.
There are people out there that will not be touching Ryzen or TR for various reasons but don't have a need for the new i9 range, to those people I say wait for Coffee Lake.
Nice review HH,
5.2GHz is impressive, especially for an ES chip.
A quad core on Intel's HEDT platform in 2017 does seem a bit out of touch.
I think even Threadripper's cheapest chip will smash this in multi-threaded loads but then that's not really what the 7740X is about.
There are people out there that will not be touching Ryzen or TR for various reasons but don't have a need for the new i9 range, to those people I say wait for Coffee Lake.
haste
Senior Member
Posts: 864
Senior Member
Posts: 864
Posted on: 07/07/2017 04:21 PM
Hmm 5.2GHz, nice sample! That could be a very nice CPU for daily use if you delid it.
Now just give me 8c/16t alternative and I'm ready for upgrade
Hmm 5.2GHz, nice sample! That could be a very nice CPU for daily use if you delid it.
Now just give me 8c/16t alternative and I'm ready for upgrade
Silva
Senior Member
Posts: 1014
Senior Member
Posts: 1014
Posted on: 07/07/2017 04:35 PM
Hmm 5.2GHz, nice sample! That could be a very nice CPU for daily use if you delid it.
Now just give me 8c/16t alternative and I'm ready for upgrade
If you want a 8c/16t "alternative", ryzen has been out for months now.
Hmm 5.2GHz, nice sample! That could be a very nice CPU for daily use if you delid it.
Now just give me 8c/16t alternative and I'm ready for upgrade
If you want a 8c/16t "alternative", ryzen has been out for months now.
Ricepudding
Senior Member
Posts: 497
Senior Member
Posts: 497
Posted on: 07/07/2017 04:48 PM
Noticed at the end of the review that there was PCIe gen 3 and PCIe Gen 3 version 2.... what are the differences?
Beyond that, the pricing for this is very odd, here in the UK there is only a £20 between this chip and the 6/12 core 7800x. i'm not sure why you would pick this over that one if you was looking at this price range in the first place
Noticed at the end of the review that there was PCIe gen 3 and PCIe Gen 3 version 2.... what are the differences?
Beyond that, the pricing for this is very odd, here in the UK there is only a £20 between this chip and the 6/12 core 7800x. i'm not sure why you would pick this over that one if you was looking at this price range in the first place
haste
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Senior Member
Posts: 864
Posted on: 07/07/2017 04:53 PM
Good joke
If you want a 8c/16t "alternative", ryzen has been out for months now.
Good joke
buhehe
Senior Member
Posts: 197
Senior Member
Posts: 197
Posted on: 07/07/2017 05:16 PM
Thanks for letting us know
Love my 7700k 5.2ghz no need for a 6 or 8 core.
Thanks for letting us know
Hilbert Hagedoorn
Don Vito Corleone
Posts: 36779
Don Vito Corleone
Posts: 36779
Posted on: 07/07/2017 05:36 PM
Noticed at the end of the review that there was PCIe gen 3 and PCIe Gen 3 version 2.... what are the differences?
Thanks for bringing that to my attention. It is a typo.There is no PCie Express 3.0 Gen 2. It is PCIe 2.0 which is Gen 2 and PCIe 3.0 which is Gen 3 aka the 3rd generation of PCI-Express.
Noticed at the end of the review that there was PCIe gen 3 and PCIe Gen 3 version 2.... what are the differences?
Thanks for bringing that to my attention. It is a typo.There is no PCie Express 3.0 Gen 2. It is PCIe 2.0 which is Gen 2 and PCIe 3.0 which is Gen 3 aka the 3rd generation of PCI-Express.
Noisiv
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Posts: 6664
Senior Member
Posts: 6664
Posted on: 07/07/2017 07:40 PM
Great review.
Despite bringing some improvements, entire X generation looks more like a stopgap than evolution.
And then it stumbles on several key points which I thought Hilbert has caught rather well.
I am cluless at this point which CPU to get. A mere R5 1600 might get job done, yet not even 800 € i7-7820 ticks all the boxes.
Great review.
Despite bringing some improvements, entire X generation looks more like a stopgap than evolution.
And then it stumbles on several key points which I thought Hilbert has caught rather well.
I am cluless at this point which CPU to get. A mere R5 1600 might get job done, yet not even 800 € i7-7820 ticks all the boxes.
TLD LARS
Senior Member
Posts: 121
Senior Member
Posts: 121
Posted on: 07/07/2017 07:46 PM
Why would you call that a joke?
The AMD 1700 is better in almost everything not gaming related.
I actually LOLed (not proud of using this word) when i saw the Cinebench results vs the 1700.
It cost a little less and uses almost half the power, comes with a decent cooler too.
An added bonus for me was that i could fit my AM2+ Scythe Zipang cooler on the AM4 socket because it is still compatible.
Good joke
Why would you call that a joke?
The AMD 1700 is better in almost everything not gaming related.
I actually LOLed (not proud of using this word) when i saw the Cinebench results vs the 1700.
It cost a little less and uses almost half the power, comes with a decent cooler too.
An added bonus for me was that i could fit my AM2+ Scythe Zipang cooler on the AM4 socket because it is still compatible.
waltc3
Senior Member
Posts: 1022
Senior Member
Posts: 1022
Posted on: 07/07/2017 07:56 PM
I'm not sure how a cpu that isn't shipping yet is "recommended". And in terms of what's actually shipping and available, if you were to revise your very nice "bang for the buck" value chart at the end of the review to show only *shipping cpus*, the reviewed CPU would not even be on the list, eh? I mean, there's no real question as to what is the "better" cpu--it's a cpu available for purchase by your reading audience, I'd say. What's the point in comparing vaporware cpus to shipping cpus in terms of value? Good review, though--and an honest review overall, even if you don't yet have any production-run X Intel cpus to test yet, against shipping Ryzen cpus & shipping Intel i7's *cough*...
I'm not sure how a cpu that isn't shipping yet is "recommended". And in terms of what's actually shipping and available, if you were to revise your very nice "bang for the buck" value chart at the end of the review to show only *shipping cpus*, the reviewed CPU would not even be on the list, eh? I mean, there's no real question as to what is the "better" cpu--it's a cpu available for purchase by your reading audience, I'd say. What's the point in comparing vaporware cpus to shipping cpus in terms of value? Good review, though--and an honest review overall, even if you don't yet have any production-run X Intel cpus to test yet, against shipping Ryzen cpus & shipping Intel i7's *cough*...
Yogi
Senior Member
Posts: 230
Senior Member
Posts: 230
Posted on: 07/07/2017 08:17 PM
Could Intel have enabled the extra pcie lanes and dimm slots with this chip or is there a per core limit?
Could Intel have enabled the extra pcie lanes and dimm slots with this chip or is there a per core limit?
Hilbert Hagedoorn
Don Vito Corleone
Posts: 36779
Don Vito Corleone
Posts: 36779
Posted on: 07/07/2017 08:23 PM
I don't need to revise anything, because if you'd open up your eyes and, much like I always do, took the effort to even look before making a such a comment you'd have noticed these processors are widely available worldwide:
I took the liberty of checking what country you are from, here you go.
I'm not sure how a cpu that isn't shipping yet is "recommended". And in terms of what's actually shipping and available, if you were to revise your very nice "bang for the buck" value chart at the end of the review to show only *shipping cpus*, the reviewed CPU would not even be on the list, eh? I mean, there's no real question as to what is the "better" cpu--it's a cpu available for purchase by your reading audience, I'd say. What's the point in comparing vaporware cpus to shipping cpus in terms of value?
I don't need to revise anything, because if you'd open up your eyes and, much like I always do, took the effort to even look before making a such a comment you'd have noticed these processors are widely available worldwide:
I took the liberty of checking what country you are from, here you go.
airbud7
Senior Member
Posts: 7657
Senior Member
Posts: 7657
Posted on: 07/07/2017 08:41 PM
I could get one now....https://www.newegg.com/Product/Product.aspx?Item=N82E16819117792&ignorebbr=1&nm-mc=KNC-GoogleAdwords-PC&cm-mmc=KNC-GoogleAdwords-PC---pla---Processors+-+Desktops---N82E16819117792&gclid=CjwKEAjw4vzKBRCt9Zmg8f2blgESJADN5fDgtw36sXl6kUHG734zPFeRv-U8JWgh8w2X3bdxnVkLExoC1N3w-wcB&gclsrc=aw.ds
I could get one now....https://www.newegg.com/Product/Product.aspx?Item=N82E16819117792&ignorebbr=1&nm-mc=KNC-GoogleAdwords-PC&cm-mmc=KNC-GoogleAdwords-PC---pla---Processors+-+Desktops---N82E16819117792&gclid=CjwKEAjw4vzKBRCt9Zmg8f2blgESJADN5fDgtw36sXl6kUHG734zPFeRv-U8JWgh8w2X3bdxnVkLExoC1N3w-wcB&gclsrc=aw.ds
SYCOMED
Member
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Member
Posts: 22
Posted on: 07/07/2017 09:01 PM
how comes the 7700k is only in one of the gaming benchmarks.
how comes the 7700k is only in one of the gaming benchmarks.
MainFrame Alpha
Senior Member
Posts: 139
Senior Member
Posts: 139
Posted on: 07/07/2017 09:06 PM
Great review as always, straight to the point, good 5.2Ghz the temps not so good.
from a future proof point of view 4C/8T is really not the way to go.
guess my long overdue planed upgrade will have to wait a little longer, i'm looking at you 27th of July
then will see what's what.
Great review as always, straight to the point, good 5.2Ghz the temps not so good.
from a future proof point of view 4C/8T is really not the way to go.
guess my long overdue planed upgrade will have to wait a little longer, i'm looking at you 27th of July
then will see what's what.
TieSKey
Senior Member
Posts: 128
Senior Member
Posts: 128
Posted on: 07/07/2017 09:54 PM
@Hilbert
Really nice chart at the end, it deserves it's own page in every review. If u could average 1 or 2 extra benchmarks in there it would be perfect.
@Hilbert
Really nice chart at the end, it deserves it's own page in every review. If u could average 1 or 2 extra benchmarks in there it would be perfect.
Monchis
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Senior Member
Posts: 1304
Posted on: 07/07/2017 10:12 PM
Quad core is so 2007.
Quad core is so 2007.
Mineria
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Senior Member
Posts: 3844
Posted on: 07/07/2017 10:18 PM
Either they need to start to make some serious kick arse CPU's or game developers need to take more advantage of multiple cores, can't see any reason to upgrade from what I got for everyday usage, gaming and running a DAW.
Either they need to start to make some serious kick arse CPU's or game developers need to take more advantage of multiple cores, can't see any reason to upgrade from what I got for everyday usage, gaming and running a DAW.
tsunami231
Senior Member
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Senior Member
Posts: 9859
Posted on: 07/07/2017 10:47 PM
more 4 cores i see,
more 4 cores i see,
airbud7
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Senior Member
Posts: 7657
Posted on: 07/07/2017 10:55 PM
not sure a slower 6 core would be considered bragging rights/ unless you play synthetic benchmarks all day?
This thing clearly kicks butt at gaming...
more 4 cores i see,
not sure a slower 6 core would be considered bragging rights/ unless you play synthetic benchmarks all day?
This thing clearly kicks butt at gaming...
wavetrex
Senior Member
Posts: 736
Senior Member
Posts: 736
Posted on: 07/08/2017 12:21 AM
This thing looks ridiculous...
They could easily fit 4 of those on that substrate.
*cough*EPYC*cough*
This thing looks ridiculous...
They could easily fit 4 of those on that substrate.
*cough*EPYC*cough*
Kaill
Member
Posts: 95
Member
Posts: 95
Posted on: 07/08/2017 12:23 AM
not sure a slower 6 core would be considered bragging rights/ unless you play synthetic benchmarks all day?
This thing clearly kicks butt at gaming...
it probably does kick butt at gaming but so would a 7700k with a z270 which most people have and or if upgrading is a cheaper route. I am really trying to understand who the upgrade path these Kaby Lake Xs are aimed at.
not sure a slower 6 core would be considered bragging rights/ unless you play synthetic benchmarks all day?
This thing clearly kicks butt at gaming...
it probably does kick butt at gaming but so would a 7700k with a z270 which most people have and or if upgrading is a cheaper route. I am really trying to understand who the upgrade path these Kaby Lake Xs are aimed at.
nz3777
Senior Member
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Senior Member
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Posted on: 07/08/2017 03:23 AM
Impressive that it hit 5.2 Ghz but I am not to sure about that price tough.
Impressive that it hit 5.2 Ghz but I am not to sure about that price tough.
Exascale
Senior Member
Posts: 397
Senior Member
Posts: 397
Posted on: 07/08/2017 05:45 AM
Seems to me that the only reason to buy x299 is to get AVX-512, which the LGA2066 i7s dont have. You need to buy the i9 to get full AVX-512.
Seems to me that the only reason to buy x299 is to get AVX-512, which the LGA2066 i7s dont have. You need to buy the i9 to get full AVX-512.
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Senior Member
Posts: 698
Why get Kaby Lake-X over boring regular KL? You can fry some eggs why you game
Neat that you were able to get it to 5.2ghz stable but those temps were awful.