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AMD Ryzen Threadripper 1950X and 1920X CPU Review (Page 1)

AMD Ryzen Threadripper 1950X and 1920X CPU Review

AMD's extremely anticipated Ryzen Threadripper 1950X and 1920X processors are finally here! We run all the numbers and give you the full picture.

By Steven Bassiri | Aug 10, 2017 08:00 am CDT
Rating: 91%Manufacturer: AMD



The time has finally come, and at this early hour of the morning (6 AM if you are on the west coast of the USA) you will get to see what the hype behind AMD's Threadripper CPUs is all about. AMD's recent revelations, such as those seen from leaked CINEBENCH scores and early sanctioned benchmarks from Alienware Area 51 systems touting the new CPU, don't reveal much beyond synthetics, and many of you have waited for this moment, and it's finally here.

Today we put a ridiculous 16 core and 32 thread CPU through the ringer along with its 12 core and 24 thread variant. These CPUs utilize the same Zen core micro architecture as the Ryzen 3, 5, and 7 series consumer CPUs and AMD's EYPC lineup of server CPUs.

Without further hesitation, let's see what AMD's Ryzen Threadripper 1950X and 1920X can do!



AMD's Threadripper 1950X, 1920X, and other Thread Rippler CPUs are made up of two CPU Core Complexes (CCX). Each of the CCXs inside the 1950X is configured with 4+4 cores, while the 1920X is 3+3. In the end, you get two silicon dies in a configuration such as (4+4) + (4+4). Each of the dies is configured horizontally from the other, and two dud dies sit next to the working dies to balance out pressure from heat sink coolers.

Both CPUs have a 180W TDP and 32MB of total L3 cache. L2 cache is 8MB in the 1950X and 6MB in the 1920X. The 1950X has a base clock of 3.4GHz while the 1920X has a base of 3.5GHz. Both CPUs have an all core boost frequency of 3.7GHz, a four core boost up to 4.0GHz, and a 4.2GHz XFR boost on four cores if thermal headroom is here.


Both CPUs also have 64 PCI-E lanes, four of which have to go to the X399 chipset, and the rest can go to a total of 7 devices, typically four GPUs and three M.2 slots. While hardware RAID of NVMe drives (typically M.2) isn't currently supported, there is software RAID. AMD really needs to get NVMe RAID working on X399, and I think they might do it in the future, as RAID on a chipset means that total bandwidth is bottlenecked at the CPU to chipset connection; however, that wouldn't be the case with Threadripper since the M.2 slots are routed directly to the CPU.


The Ryzen Threadripper 1950X will cost $999, and the Ryzen Threadripper 1920X will cost $799.

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