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What is better to buy 8GB DDR3 or 4GB DDR4

post #1 of 13
Thread Starter 
What is better to buy 8GB DDR3 or 4GB DDR4
post #2 of 13
You buy what your platform requires. You don't get a choice...
madVR+SVP
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madVR+SVP
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post #3 of 13
Depends on how picky you are about speed. Not gonna be a mind blowing difference yet.

The question you should be asking though is what motherboard you want. That will decide for you, and is the more important decision.
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T-1
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T-1X
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post #4 of 13
Quote:
Originally Posted by iinversion View Post

You buy what your platform requires. You don't get a choice...

^this. With X99 . . . you don't have a choice but DDR4.
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post #5 of 13
That's not true, he can get a DDR4 to DDR3 adapter biggrin.gif
post #6 of 13
Or a DDR3 to DDR4 adapter, to use DDR3 memory on new platforms.
post #7 of 13
I find honestly the adapter idea to be silly. Pricing I've seen goes for $30 per DIMM adapter. Best to just pocket that money and use it toward something else more worthwhile... like actually getting a DDR4 board and 8 GB of memory for it.
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AMD Athlon II X4 640 Gigabyte GA-78LMT-USB3 MSI R6570-MD1G/LP Radeon HD 6570 G.SKILL Ripjaws DDR3-1066 4 GB 
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FX-8300 GA-78LMT-USB3 GTX 950 G.Skill 16GB DDR3-1066 
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WD Blue 1TB HDD Corsair Force LE 480GB SSD LG Blu-Ray Burner Stock (For Now) 
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T-1
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T-1X
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Hard DriveOptical DriveCoolingCooling
WD Blue 1 TB 7200 RPM 3.5" HDD Lightscribe DVD-RW Logisys AC2200 3x APEVIA 120mm Blue LED Case Fan 
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Debian Jessie eMachines E211H B Compaq G80-11800 Logisys 480W PSU 
CaseMouseMouse PadAudio
APEVIA X-DMR4-NW-BK Dynex Optical Mouse Insignia Mouse Pad ASUS Xonar_DG 5.1 PCI Sound Card 
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Rocketfish Stereo Headset XIGMATEK 3.5" Internal 75 in 1 Card Reader nMEDIAPC PRO-LCD-B Media Center Programmable LCD 
CPUMotherboardGraphicsRAM
FX-8300 GA-78LMT-USB3 GTX 950 G.Skill 16GB DDR3-1066 
Hard DriveHard DriveOptical DriveCooling
WD Blue 1TB HDD Corsair Force LE 480GB SSD LG Blu-Ray Burner Stock (For Now) 
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post #8 of 13
Wait these adapters actually exist?
post #9 of 13
Some Googling found some, yeah, Jetway I think made them.
T-1
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T-1X
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CPUMotherboardGraphicsRAM
AMD Athlon II X4 640 Gigabyte GA-78LMT-USB3 MSI R6570-MD1G/LP Radeon HD 6570 G.SKILL Ripjaws DDR3-1066 4 GB 
Hard DriveOptical DriveCoolingCooling
WD Blue 1 TB 7200 RPM 3.5" HDD Lightscribe DVD-RW Logisys AC2200 3x APEVIA 120mm Blue LED Case Fan 
OSMonitorKeyboardPower
Debian Jessie eMachines E211H B Compaq G80-11800 Logisys 480W PSU 
CaseMouseMouse PadAudio
APEVIA X-DMR4-NW-BK Dynex Optical Mouse Insignia Mouse Pad ASUS Xonar_DG 5.1 PCI Sound Card 
AudioOtherOther
Rocketfish Stereo Headset XIGMATEK 3.5" Internal 75 in 1 Card Reader nMEDIAPC PRO-LCD-B Media Center Programmable LCD 
CPUMotherboardGraphicsRAM
FX-8300 GA-78LMT-USB3 GTX 950 G.Skill 16GB DDR3-1066 
Hard DriveHard DriveOptical DriveCooling
WD Blue 1TB HDD Corsair Force LE 480GB SSD LG Blu-Ray Burner Stock (For Now) 
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T-1
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T-1X
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CPUMotherboardGraphicsRAM
AMD Athlon II X4 640 Gigabyte GA-78LMT-USB3 MSI R6570-MD1G/LP Radeon HD 6570 G.SKILL Ripjaws DDR3-1066 4 GB 
Hard DriveOptical DriveCoolingCooling
WD Blue 1 TB 7200 RPM 3.5" HDD Lightscribe DVD-RW Logisys AC2200 3x APEVIA 120mm Blue LED Case Fan 
OSMonitorKeyboardPower
Debian Jessie eMachines E211H B Compaq G80-11800 Logisys 480W PSU 
CaseMouseMouse PadAudio
APEVIA X-DMR4-NW-BK Dynex Optical Mouse Insignia Mouse Pad ASUS Xonar_DG 5.1 PCI Sound Card 
AudioOtherOther
Rocketfish Stereo Headset XIGMATEK 3.5" Internal 75 in 1 Card Reader nMEDIAPC PRO-LCD-B Media Center Programmable LCD 
CPUMotherboardGraphicsRAM
FX-8300 GA-78LMT-USB3 GTX 950 G.Skill 16GB DDR3-1066 
Hard DriveHard DriveOptical DriveCooling
WD Blue 1TB HDD Corsair Force LE 480GB SSD LG Blu-Ray Burner Stock (For Now) 
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Windows 10 Pro Ubuntu 15.10 Thermaltake 450W 80+ Gold Apevia X-QPACK3-WHT 
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post #10 of 13
Quote:
Originally Posted by Sargas290X View Post

Wait these adapters actually exist?

No.

DDR4 and DDR3 don't use the same signaling or voltages and no PC platform currently has a memory controller that can support both. Even if these weren't issues, increased trace length almost certainly would be.
Quote:
Originally Posted by Blubird View Post

Some Googling found some, yeah, Jetway I think made them.

I haven't seen memory adapters like this since the 72-pin SIMM days and I am exceedingly skeptical of the idea they are even possible for modern memory speeds.
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Primary
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Secondary
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Vishera Testbed
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CPUMotherboardGraphicsRAM
5820K @ 4.3GHz, 1.225v Gigabyte X99 SOC Champion (F4m) 2x Sapphire R9 290X Tri-X OC New Edition (10036... 4x4GiB Crucial @ 2667, 12-12-12-28-T1, 1.35v 
Hard DriveHard DriveHard DriveCooling
Plextor M6e 128GB (fw 1.05) M.2 (PCI-E 2.0 2x) 2x Crucial M4 256GB 4x WD Scorpio Black 500GB Cooler Master Nepton 280L 
OSMonitorKeyboardPower
Windows 7 Professional x64 SP1 BenQ BL3200PT Filco Majestouch Tenkeyless (MX Brown) Corsair RM1000x 
CaseMouseAudio
Fractal Design Define R4 CM Storm Spawn Realtek ALC1150 + M-Audio AV40 
CPUMotherboardGraphicsRAM
X5670 Gigabyte X58A-UD5 r2.0 w/FF3mod10 BIOS Reference R9 290X w/Stilt's MLU 1000e / 1375m E... 2x Samsung MV-3V4G3D/US @ 1600MT/s 7-8-8-19-T1,... 
RAMHard DriveHard DriveHard Drive
1x Crucial BLT4G3D1608ET3LX0 @ 1600MT/s 7-8-8-1... OCZ (Toshiba) Trion 150 120GB Hitachi Deskstar 7k1000.C 1TB 2x Seagate 7200.10 RAID 0 
CoolingOSPowerCase
Prolimatech Genesis + 2x140mm Cougar 1200rpm Windows Server 2008 R2 Antec TP-750 Antec P182 
Audio
ASUS Xonar DS 
CPUMotherboardGraphicsRAM
FX-9590 @ 5GHz, 1.55v ASUS Sabertooth 990FX R2.0 Reference NVIDIA GTX 780 2x8GiB G.Skill DDR3-1866 10-11-10-30-T1, 1.5v 
Hard DriveHard DriveCoolingOS
Crucial M500 480GB 2x Samsung Spinpoint F1 1TB XSPC RX360 + X20 750 + Raystorm Windows 7 Pro SP1 x64 
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Dell S2740L Seasonic SS-860XP2 Coolermaster HAF-932 
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