Kingston Hyperx Predator DDR4

**techogeeky** · 15-09-2014

DDR3 is being pushed beyond its capacity to meet this dynamic world, even with 1866MT/s and 2133MT/s speeds added and lower power DDR3U 1.25V, we are nearing the limits of its capabilities. Reduced power requirements aside, the demand for increased performance beyond 2133 motivated the transition to develop the next generation of memory.

DDR4's, the next generation in the family of memory. Kingston HyperX Predator is one of its kind.

Here are some detailed differences between Kingston HyperX Predator DDR4 and the DDR3 RAM's with its advantages

Chip Densities
DDR3 - 512Mb-8Gb
DDR4 - 4GB-16GB

Data Rates
DDR3 - 800Mb/s - 2133Mb/s
DDR4 - 1600Mb/s - 3200Mb/s

Voltage
DDR3 - 1.5V
DDR4 - 1.2V

Low Voltage Standard
DDR3 - Yes (DDR3L at 1.35V)
DDR4 - Anticipated at 1.05V

Internal Banks
DDR3 - 8
DDR4 - 16

Bank Groups (BG)
DDR3 - 0
DDR4 - 4

VREF inputs
DDR3 - 2 - DQs and CMD/ADDR
DDR4 - 1 - CMD/ADDR

tCK - DLL Enabled
DDR3 - 300MHz - 800MHz
DDR4 - 667MHz - 1.6GHz

tCK - DLL Disabled
DDR3 - 10MHz - 125MHz (optional)
DDR4 - Undefined to 125MHz

Read Latency
DDR3 - AL + CL
DDR4 - AL + CL

Write Latency
DDR3 - AL + CWL
DDR4 - AL + CWL

DQ Driver (ALT)
DDR3 - 40Ω
DDR4 - 48 Ω

DQ Bus
DDR3 - SSTL15
DDR4 - POD12

RTT Values (in Ω)
DDR3 - 120, 60, 40, 30, 20
DDR4 - 240, 120, 80, 60, 48, 40, 34

RTT Not Allowed
DDR3 - READ Bursts
DDR4 - Disables during Read Bursts

ODT Modes
DDR3 - Nominal, Dynamic
DDR4 - Nominal, Dynamic, Park

ODT Control
DDR3 - ODT Signaling Required
DDR4 - ODT Signaling NOT Required

Multi-Purpose RegisterFour
DDR3 - Registers - 1 Defined, 3 RFU
DDR4 - Four Registers - 3 Defined,1 RFU

DIMM Types
DDR3 - RDIMM, LRDIMM, UDIMM, SODIMM
DDR4 - RDIMM, LRDIMM,UDIMM, SODIMM

DIMM Pins
DDR3 - 240 (R, LR, U); 204 (SODIMM)
DDR4 - 288 (R, LR, U); 260 (SODIMM)

RAS
DDR3 - ECC
DDR4 - CRC, Parity, Addressability, GDM

A great move by Kingston Technology in this ever changing environment. Please share your ideas and thoughts on this.

**Abbie** · 16-09-2014

Are there any DDR4 RAM motherboards available in the market? What will be the cost of these RAM sticks? I was hoping that DDR4 memory's would be above 2400mhz in speed but it seems that it is kind of limited.