AMD Infinity Fabric & RAM Overclock for Ryzen 3 3100 vs. R3 3300X (Benchmarks)

Tuning the AMD Ryzen 3 3100 Infinity Fabric clock (FCLK), uclock, and mclock, alongside memory tuning, was our next step to trying to beat the AMD Ryzen 3 3300X CPU.
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Article: Pending publication -- should be about 1 day
Watch our AMD Ryzen 3 3300X vs. 3100 review here:    • AMD Ryzen 3 3300X vs. 3100 CPU Review...  
Related content: Our AMD Ryzen memory & clock tuning research -    • AMD Ryzen 3000 Memory Benchmark & Com...  

TESTING METHODOLOGY LINKS

Find our CPU testing methodology for 2020 over here:    • New CPU Test Methodology: Code Compil...  
Article version of CPU testing methodology: https://www.gamersnexus.net/guides/35...

In this content, we'll talk about the settings used (and process used) to tune AMD's Ryzen Infinity Fabric clock, with a pointer toward the above-linked video for additional information on the topic. Ryzen is touchy, and it's easy to get worse performance by increasing the wrong numbers without maintaining a fixed ratio. We keep a 1:1:1 ratio for our best tune, so that'd include FCLK, MCLK, and uCLK. We're benchmarking the R3 3100 with 3666MHz memory, as opposed to our standardized 3200MHz kit. We have some IF-only overclocks, barring a memory change, just to set the stage for expectations. Keep in mind that run-to-run variance, standard deviation in test data, and general error can muddy the waters in some tables where results are very close together. We'll point that out as we go. The R3 3100's 2+2 CCX design (2 cores, 4 threads per CCX) includes a latency hit that the 3300X's 4+0 single-CCX doesn't have to deal with, but it also means a splitting of the cache across two CCXs rather than being all located on one monolithic block.

RELATED PRODUCTS

AMD R3 3100 eventually will list here (Amazon): https://geni.us/Ps6DZ
AMD R3 3300X eventually will list here (Amazon): https://geni.us/eHNvbh
Find the AMD R5 1600 AF (Amazon): https://geni.us/LrL6K6F
Find the Intel Core i3-9100F (Amazon): https://geni.us/7GouN
Find the AMD Athlon 3000G (Amazon): https://geni.us/yNcshn9
Find the AMD R5 3600 (Amazon): https://geni.us/Czsy

TIMESTAMPS

00:00 - Recap of Ryzen 3300X vs. 3100 Differences
03:10 - Settings of Infinity Fabric, 1-to-1-to-1 Clocks
06:17 - Benchmark Pre-amble
06:51 - F1 2019 Infinity Fabric Overclock Benchmark
08:05 - Total War Three Kingdoms IF & Mem OC Benchmark
08:53 - Total War Battle Benchmark
09:25 - The Division 2 Benchmark
10:17 - Shadow of the Tomb Raider Benchmark
11:17 - Hitman 2 Dx12 Benchmark
11:54 - Civilization VI Turn Time Benchmark
12:35 - Red Dead Redemption 2 Dx12, 1080p High
13:48 - Red Dead Redemption 2 Benchmark with Medium
14:17 - Red Dead 2 Vulkan, High Settings
15:07 - GTA V 1080p Benchmarks with Memory OC & IF OC
15:44 - 7-Zip Decompression Benchmark
16:08 - Adobe Photoshop Benchmark
16:32 - Blender 2.81 CPU Benchmark
17:21 - Conclusion of Infinity Fabric & Mem OC on R3 3100

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Test Lead, Host: Steve Burke
Editorial, Testing: Patrick Lathan
Video: Keegan Gallick, Andrew Coleman