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[Resolved] Is it possible to underclock DDR4 RAM to DDR3 speeds (1333MHz) for testing purposes??

Euphoria
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I'm wondering if it's possible to underclock DDR4 to DDR3 speeds like 1333MHz for testing purposes?? Or, would the DDR4 only go as low as the base frequency of 2133MHz??

Build: "The Cake Is A Lie" - (Portal 2 Theme) • Wall Mounted (in a ThermalTake Core P8 all sides removed) • Ryzen 5900X • 64GB Team Group Dark Pro (B-Dies) 3600MHz CL16 • ASUS X570-E Gaming • EK Quantum Plexi Monoblock • MSI RTX 3090 Suprim X • EK Quantum Plexi Block • 2TB Samsung 980 Pro Gen4 NVME • 8TB Samsung 870 QVO • Corsair RM 850X • 2x EK P480M Radiators •  PrimoChill Fittings • 2x D5 Pumps • Monsoon MMRS Pump Housing • 2x HeatKiller Tube 200 Reservoirs • 

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If your mobo has its independent clock gen chip then you can.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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It goes to 800mhz

Rig Specs:

AMD Threadripper 5990WX@4.8Ghz

Asus Zenith III Extreme

Asrock OC Formula 7970XTX Quadfire

G.Skill Ripheartout X OC 7000Mhz C28 DDR5 4X16GB  

Super Flower Power Leadex 2000W Psu's X2

Harrynowl's 775/771 OC and mod guide: http://linustechtips.com/main/topic/232325-lga775-core2duo-core2quad-overclocking-guide/ http://linustechtips.com/main/topic/365998-mod-lga771-to-lga775-cpu-modification-tutorial/

ProKoN haswell/DC OC guide: http://linustechtips.com/main/topic/41234-intel-haswell-4670k-4770k-overclocking-guide/

 

"desperate for just a bit more money to watercool, the titan x would be thankful" Carter -2016

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I thought it might be just down to whether a mobo supports it or not.

 

Thanks for that.

Build: "The Cake Is A Lie" - (Portal 2 Theme) • Wall Mounted (in a ThermalTake Core P8 all sides removed) • Ryzen 5900X • 64GB Team Group Dark Pro (B-Dies) 3600MHz CL16 • ASUS X570-E Gaming • EK Quantum Plexi Monoblock • MSI RTX 3090 Suprim X • EK Quantum Plexi Block • 2TB Samsung 980 Pro Gen4 NVME • 8TB Samsung 870 QVO • Corsair RM 850X • 2x EK P480M Radiators •  PrimoChill Fittings • 2x D5 Pumps • Monsoon MMRS Pump Housing • 2x HeatKiller Tube 200 Reservoirs • 

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