Here is a blast from the past. In case you were not aware of, INTEL never officially released the Core i5-7660X Skylake-X CPU to the consumer market. Though some samples actually landed in the hands of select few overclockers, but apart from this we never got any relevant info or details on this SKU.
Now, it appears that one Chinese user @Zed_Wang recently obtained a working sample of this 7’th gen Skylake-X Core i5-7660X CPU, and he has posted his findings along with CPU-Z screenshots on Twitter.
The Core i5-7660X is based on the “Skylake” microarchitecture, fabbed on the 14nm+ process node, and it uses the same old LGA2066 Socket. The Core i5-7660X inherits all attributes of Skylake-X, like support for a “quad-channel” memory (128GB), AVX-512 instructions, 28 PCIe lanes etc.
Had Intel previously released the Core i5-7660X, then it would have been the first Core i5 HEDT processor, and also the first Core i5 to support quad-channel memory. But unfortunately Intel had others plans at that time. This CPU never made to the Retail market.
This is a 6 Core 6 Thread SKU, having 8.25MB of L3 cache with 3.4GHz as the base clock, and 5Ghz boost clock. The boost clock is the highest in the entire Skylake-X family though.
Looking closely at the specs we can conclude that the Core i5-7660X CPU is essentially an i7-7800X SKU, with higher clock speeds but without “Hyper-Threading”/HT. The TDP is also rated the same at 140 Watts. This SKU seems to be a cut-down variant/silicon of the 7800X SKU, or maybe Intel used some of the defective batch of “chips” of the i7 7800X processor.
The Core i5-7660X provides us with 28 PCIe 3.0 lanes, and supports DDR4-2400 memory modules just like the Core i7-7800X SKU. Why INTEL never released this CPU to the public remains a mystery.
My guess is that INTEL wanted to reserve the HEDT platform for its core i7 and above SKUs.
Source: @Zed_Wang
Hello, my name is NICK Richardson. I’m an avid PC and tech fan since the good old days of RIVA TNT2, and 3DFX interactive “Voodoo” gaming cards. I love playing mostly First-person shooters, and I’m a die-hard fan of this FPS genre, since the good ‘old Doom and Wolfenstein days.
MUSIC has always been my passion/roots, but I started gaming “casually” when I was young on Nvidia’s GeForce3 series of cards. I’m by no means an avid or a hardcore gamer though, but I just love stuff related to the PC, Games, and technology in general. I’ve been involved with many indie Metal bands worldwide, and have helped them promote their albums in record labels. I’m a very broad-minded down to earth guy. MUSIC is my inner expression, and soul.
Contact: Email
Even though it runs hot and is power hungry (170W at 4.5 GHz all cores) I sure love my 7820X. This looks like it would’ve been a better buy than whatever it is Intel was going for with Kaby Lake-X.
Btw Kaby Lake-X had the i5 7640X, and that platform is considered part of Intel’s HEDT. I mean it works on the same socket as Skylake-X so this 7660X wouldn’t have been the first
That isn’t an HEDT chip. It’s a consumer chip that was pointlessly glued to an LGA2066 substrate. It performed like a consumer chip, and had the exact same features as an consumer chip (even less actually since it had no iGPU). Certain DIMM slots wouldn’t even work since it only supported dual channel memory.
Exactly.
I know what it lacks compared to Skylake-X, but it still requires the socket. If you personally don’t want to consider it HEDT that’s fine but Intel has always reserved the X suffix to its HEDT CPUs
The X suffix is marketing. It does not perform or function like an HEDT chip, so it’s not realistic or practical to label it one.
i5 7640X is not high-end desktop.
“”Core i5-7640X”. That’s a Kaby Lake-X processor. This article is about Skylake-X.
https://en.wikichip.org/wiki/intel/core_i5/i5-7640x
Very interesting find !
Did you just publish this under your Name, lol ? This was my article. haha.EDIT: Never mind..Thanks for fixing.
My word document,
https://gofile.io/d/Q65K6E
I was expecting this to be another Kaby Lake X chip before reading the article. Remember those, where Intel just glued the consumer Kaby Lake i5 and i7 to an LGA2066 substrate? Ya, GN opened their review with “Why does Kaby Lake X exist?”
https://youtu.be/Gc2_T-wq8qQ
Can we overclock this CPU though?
how kabylake-x should’ve been