AMD Ryzen Threadripper 1920X Review


Introduction, Design & Features

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How many computing threads do you in reality want?

This 12 months, first there used to be the eight-core, 16-thread Ryzen 7 chips that made their debut in March. Then got here Intel’s Core X-Series/Core i9 reaction at Computex 2017 in June. And maximum not too long ago, AMD’s high-end Ryzen Threadripper platform has crowned out at 32-thread capacity with the $999 AMD Ryzen Threadripper 1950X. With all of this motion in high-end CPUs, 2017 would possibly move down (within the minds of PC fanatics, no less than) because the 12 months of “more cores for the masses.” And that is to mention not anything of the rumored upcoming six-core pc processors from Intel. (For extra on that, see the chatter about Intel “Coffee Lake” at sister website online ExtremeTech.)

AMD Ryzen Threadripper 1950X (Box Front)

But up to all folks may need get right of entry to to all of the computing cores and threads we will get, if just for bragging rights, how many people can in reality make any substantive use of the Threadripper 1950X’s 16 cores, or the approaching Intel Core i9-7980XE‘s 18 cores and 36 threads? If you are not a qualified video writer and/or very, very fascinated with working a game-streaming empire to your platform of selection (the place you could be taking part in a recreation and streaming it at a excessive bit fee, whilst additionally encoding a prior fit so you’ll add an edited video), you almost certainly are not looking for relatively that a lot CPU muscle.

Enter the Ryzen Threadripper 1920X. Its 12 cores and 24 threads are nonetheless mighty succesful (and capably mighty), and its 3.5GHz base clock is in reality a tick greater than the 3.4GHz base of the higher-end Ryzen Threadripper 1950X. Stock spice up clocks between the 2 chips are the similar, at 4GHz. And not like with Intel’s competing Core X-Series platform, you get the similar 64 lanes of PCI Express with Threadripper, regardless of which appropriate chip you select to drop into your motherboard.

AMD Ryzen Threadripper 1950X (In Packaging)

So in impact, you lose 12.5 % of your cores for those who go for the Threadripper 1920X over the higher-end Threadripper chip, however now not an entire lot else. You will save $200, although, for the reason that Threadripper 1920X is priced at $799, whilst the 1950X rings up at $999. Does that make the Ryzen Threadripper 1920X the easier purchase between it and its higher-end AMD silicon sibling or, for that topic, a greater one than the competing 10-core Intel Core i9-7900X, which may be about $1,000?

The quick solution is most certainly, even though the similar caveats about Threadripper stay with this chip. The set up procedure is a bit complicated, to the purpose the place for those who are not a veteran builder, you could wish to purchase a pre-built Ryzen gadget, or no less than a bare-bones package the place the CPU comes pre-installed. And you can want a tough cooler (ideally a self-contained liquid type, although an air cooler is an possibility) to stay Threadripper chilled—particularly for those who intend to overclock.

Also, there is not any denying that 12 cores continues to be wanton extra for lots of PC customers. If video crunching or identical duties are not one thing you do always, or if in case you have the desire however $799 continues to be a bit of wealthy for you, you could wish to wait a bit of. AMD says an eight-core, 16-thread Ryzen Threadripper 1900X will arrive on the very finish of August 2017 (release date: August 31) for a extra inexpensive $549.

Threadripper: Meet the Platform

As famous up height, Threadripper as a platform is strong and complicated, however the true chip-install procedure is not like anything else we have now noticed ahead of within the consumer-desktop realm. That’s no less than partly as a result of Threadripper is just about a straight-up consumer-focused clone of the AMD’s (additionally new) Epyc server line.

The bodily traits of the Epyc and Threadripper chips are both an identical or just about so. (We don’t have an Epyc chip available to mention needless to say.) The underlying structure of Threadripper, Epyc, and the mainstream Ryzen chips is similar “Zen” design discovered within the preliminary Ryzen 7 chips. Ryzen 7 properties one eight-core, 16-thread module, Threadripper connects two on one chip, and Epyc makes room for 4. Additionally, Epyc features a two-socket possibility, making conceivable programs with a crazy-to-imagine 128 threads in one gadget. But the underlying silicon within the particular person modules is largely the similar, whether or not we’re speaking about mainstream Ryzen chips, Threadripper, or Epyc. This is, in many ways, very similar to the lineage of Intel’s fanatic chips, comparable to the brand new Core X-Series, which might be successfully retooled variations of its Xeon server and undertaking processors.

But it’s truthful to mention that, partly as a result of Epyc is itself brand-new (the corporate simply introduced Epyc in June 2017), the Threadripper chips and platform aren’t relatively as delicate as Intel’s competing choices are. Intel has been churning out high-end desktop (HEDT) chips at the common for years now. (See, for example, our overview of the Intel Core i7-3960X Extreme Edition…from 2011.)

AMD has been lengthy out of this league of enthusiast-class CPUs, and it presentations in some apparent and not-so-obvious tactics. For starters, the Threadripper chips are definitely massive through CPU requirements, at about 3.75 inches at the diagonal (or kind of 3 inches lengthy through 2.25 inches throughout). Not that bodily chip dimension in point of fact issues in a desktop PC, however Intel’s competing Core X-Series chips measure about 2 inches through 1.75 inches, and the Ryzen chips are even smaller. Here’s a have a look at Threadripper bracketed through an unusual Ryzen (to the left) and a Core X-Series (within the field at proper).

AMD Ryzen Threadripper 1950X (Size Comparison 2)

It’s additionally reasonably apparent that Threadripper chips are the results of successfully bolting a couple of Ryzen modules in combination at a silicon degree. The Threadripper bundle even has two separate units of contacts and parts at the backside, with a visual line working between them. Not that it is a main factor, however it is difficult to forget about in a brand-new platform when Intel’s competing chips are some distance smaller and are not as clearly separate modules paired in combination.

AMD Ryzen Threadripper (Chip Back)

One of Threadripper’s better quirks may be right down to physicality, of a distinct kind: its complicated set up procedure. And at the plus aspect (albeit superficially), the retail packaging is strangely fascinating. But ahead of we leap to that, let’s communicate in regards to the 3 Ryzen Threadripper processors that AMD has introduced up to now.

Threadripper: The Chip Specs

The explicit Threadripper chip we are having a look at this is the $799-MSRP Ryzen Threadripper 1920X. It packs 12 cores and has the facility to deal with as much as 24 simultaneous threads, because of the corporate’s Simultaneous Multi-threading Technology (SMT), which has similarities to Intel’s Hyper-Threading. The chip has a base clock of 3.5GHz and a height inventory clock velocity of 4GHz. Technically, the chip can burst as much as 4.2GHz on as much as 4 cores if in case you have good enough cooling, a characteristic that AMD calls XFR, or Extended Frequency Range. Rather than move into extra element about how XFR works right here, please see our overview of the AMD Ryzen 7 1800X, through which we delved into it in some element. 

AMD additionally introduced the top-end Ryzen Threadripper 1950X along the 1920X, and we have now already reviewed that higher-end chip on the hyperlink. It has a base clock of 3.4GHz and tops out on the identical 4GHz. Here’s an in depth have a look at the specifications of the the 2 chips which can be to be had lately, direct from AMD…

AMD Ryzen Threadripper (1920X and 1950X specs)

As famous previous, the corporate additionally has within the pipeline an eight-core “entry-level” Ryzen Threadripper 1900X that can checklist for $549, with a excessive 3.8GHz base clock and the similar 4GHz height clock as the opposite two chips. The 1900X has been promised to release on the finish of August 2017.

A few issues are spectacular right here from the specifications by myself. First, AMD is in a position to stay its base and spice up clock speeds relatively excessive, even at the chips with the best possible core counts. Compare this with the approaching 18-core Intel Core i9-7980XE, which Intel has printed can have a low 2.6GHz base clock. That Core i9’s height Turbo clock velocity, 4.2GHz, shall be greater than AMD’s 4GHz, however less than that of the mainstream Core i7-7700Okay, which is able to ramp as excessive as 4.5GHz with out overclocking.

One more thing of conceivable worry is cooling. The 180-watt TDP (thermal design energy, a dimension of required warmth dissipation) of the Threadripper chips is relatively excessive, greater even than the 165-watt TDP of Intel’s promised 18-core Core i9 chip. And, as we noticed in checking out the 1950X, it wasn’t simple for even a 360mm liquid cooler to stay the Threadripper chip all that cool, particularly when overclocking. It is also price looking ahead to new coolers that do a greater activity of protecting a bigger portion of the CPU’s warmth spreader. Several current liquid coolers had been cleared through AMD to paintings with those chips. But as that is bodily, through some distance, the largest user processor within the closing a number of years, current coolers duvet simplest the central portion of the chip. (More in this later.)

The X399 Platform in Brief

Rather than element the specifics of the Ryzen Threadripper’s X399 chipset and the sophisticated CPU set up procedure right here, we are going to level you once more to our overview of the AMD Ryzen Threadripper 1950X, the place we already coated each in nice element. If you simply need a basic sense of ways the platform shapes up in the case of trendy options, you’ll get a horny just right sense through finding out the diagram beneath, supplied through AMD…

AMD Ryzen Threadripper (X399)

One factor we will be able to indicate this is the truth that AMD supplies 64 PCI Express lanes with all of its Ryzen Threadripper chips. This will have to make the approaching Threadripper 1900X way more interesting as a lower-cost access level to AMD’s fanatic platform than, say, Intel’s personal “entry-level” Core X-Series silicon, the so-called “Kaby Lake X” chips. The lowest-end of the ones, the Intel Core i5-7640X, provides simply 16 PCI Express lanes, although it, admittedly, prices part up to the Threadripper 1900X will.

That mentioned, with Nvidia’s current-generation graphics playing cards restricted to only a pair in SLI, and recent rapid garage drives consuming up simply 4 lanes, it is difficult to peer how even essentially the most well-heeled of PC fanatics will make any roughly sensible use of all that PCI Express bandwidth. Cryptocurrency miners and information scientists will most probably respect it, however for avid gamers and fanatics, 64 lanes is arguably overkill. (Unless, perhaps, you might be making plans to drop 4 of AMD’s also-new AMD Radeon RX Vega 64 playing cards into your new X399 construct. Don’t allow us to forestall you presently.)

The different factor with X399 motherboards is their charge. With the Ryzen 3, 5, and 7 chips, motherboard pricing has been some other a part of the worth proposition, with X370, B350, and A320 forums in most cases coming in at both a lower cost than Intel-based ones, or with extra top class options (M.2 slots, LEDs, metal-wrapped PCIe x16 slots) than in a similar fashion priced Intel forums. But no less than at this early level, that isn’t the case with Threadripper. When we wrote this within the days simply after the chips’ release, there have been simply six X399 motherboards to be had from Newegg, the similar six we noticed at a Threadripper briefing a few weeks ahead of the release. And they have been all priced at $339 and up. The Asus ROG Zenith Extreme we used for checking out used to be priced at $549. Motherboards at the competing Intel Core X-Series platform (the usage of the Intel X299 chipset) began at about $100 lower than the lowest-cost X399 Threadripper forums on the time we wrote this in mid-August 2017.

All that mentioned, a few the X399 motherboards have already got mail-in rebates, indicating that pricing would possibly fall quickly after release. 

Ryzen Architecture & Our Test-Bed PC

As for the structure in Ryzen Threadripper, it is necessarily the similar as what is discovered within the Ryzen 3, 5, and 7 chips. There are simply extra modules right here, offering extra cores and threads. And the modules are hooked up by way of the similar “Infinity Fabric” that AMD makes use of to attach the modules within lesser Ryzen chips.

AMD Ryzen Threadripper (5 Percent)

AMD does say, although, that it makes use of simplest “the very best” Ryzen dies for Threadripper chips. That most probably, partly, accounts for the truth that all of the Threadripper chips have excessive inventory clock speeds. They are culled from the producing procedure and put aside. (For extra in regards to the Ryzen structure and lines like XFR and Infinity Fabric, once more, please see our overview of the AMD Ryzen 7 1800X.)

As for our test-bed, we constructed a Threadripper benchmarking PC in line with an set up package that AMD equipped us. We’ve indexed the portions beneath (at the side of some resources) and beneath that may be a blow-by-blow video of the construct procedure (executed the usage of the 1950X).






AMD Ryzen Threadripper 1920X $799 


Asus X399 Zenith Extreme $549 


G.Skill TridentZ RGB (two 16GB kits)  $160 


Samsung SSD 960 Pro (512GB/M.2) $279 


Seagate 4TB Desktop HDD ST4000DM000 $100 


Mean:IT 5pm $140 


Thermaltake Toughpower Grand 1200W $199 


Thermaltake Floe Riing RGB 360 $199 


Nvidia GeForce GTX 1080 Ti Founders Edition $799 


Now, how did the Ryzen Threadripper 1920X shake out as opposed to the 1950X and the Intel festival? Let’s dig in. 

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