On a unique water-loop configuration, extreme overclocker SkatterBencher was able to push AMD’s unannounced Ryzen Threadripper 5990X HEDT CPU to an astounding 4.82 GHz across all 64 cores.
The AMD Ryzen Threadripper CPU which SkatterBencher tested is the 5990X, is the one which AMD is yet to formally release. In fact, the overclocker was able to obtain an engineering sample with 64 cores, 128 threads, 288 MB of L3 cache, and stock clock frequencies of up to 2.65 GHz (2.27 GHz on average). The ASUS ROG ZENITH II Extreme Alpha with 32 GB (8 x 4) DDR4-2144 RAM was used to evaluate the CPU. An EK-Quantum custom-loop water cooler was used for cooling.
Similar to the AMD Ryzen Threadripper 5000 samples that appear in multiple benchmark databases, this particular sample is identified by the OPN code “100-000000443-40 Y.”
This demonstrates that AMD did indeed have ordinary Non-Pro processors as engineering samples but chose not to release them for reasons that are now unknown.
According to AMD’s most recent HEDT strategy, the business appears to be primarily focused on the workstation and Pro segments, which indicates that the ordinary Threadripper X-Series chips won’t be in use for the foreseeable future. The fact that the CPU is compatible with the TRX40 ZENITH II Extreme is also significant, as opposed to the Threadripper 5000WX CPUs, which are only designed to run on the more expensive WRX80 platform.
SkatterBencher is renowned for employing a variety of overclocking techniques, including manual overclocking, PBO, and curve optimizers. Manual overclocking produced the best results on the AMD Ryzen Threadripper 5990X CPU, which is not a huge surprise.
The sole drawback is the limited single-threaded maximum boost frequency, although overall manual overclocking is preferable to PBO when looking for the best performance increases. Each CCD on the Ryzen Threadripper 5990X chip was evaluated, and CCD4 produced the greatest tuning results, achieving up to 4.82 GHz at 1.45V.
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