Micron 24 Gbps GDDR6X memory for GeForce RTX 40 series is now in production

Published: 8th Aug 2022, 06:44 GMT   Comments

Micron 24Gbps GDDR6X in production

The memory manufacturer Micron, who had developed GDDR6X technology in collaboration with NVIDIA for RTX 30, is now preparing for the next-gen GPU series by offering even faster speeds.

Company website has now been updated with new information on the new GDDR6X modules. It appears that 16Gb (2GB) modules featuring 24 Gbps speed are now in production, just 2 months ahead of the rumored launch of NVIDIA RTX 40 series.

NVIDIA is said to use both 21 and 24 Gbps speeds for its high-end series. Should rumors be correct, NVIDIA will be using 21 Gbps GDDR6X modules for three of the high-end SKUs: RTX 4090, 4080 and 4070. At the same time, rumors on supposed flagship model, either a professional workstation GPU or a true TITAN successor, might be getting 24 Gbps modules.

Micron GDDR6X memory catalog, Source: Micron

Micron probably wouldn’t be producing such chips for no reason, but just because such memory exists, it does not guarantee that full speed will be used by next-gen GPUs. For RTX 30 series, NVIDIA only used 21 Gbps speed for its RTX 3090 Ti model released in March this year, while the original 2020 launch only went as high as 19.5 Gbps.

RUMORED NVIDIA GeForce RTX 40 Series Specs
VideoCardz.comTITAN ADA (?)GeForce RTX 4090GeForce RTX 4080GeForce RTX 4070
ArchitectureAda (TSMC N4)Ada (TSMC N4)Ada (TSMC N4)Ada (TSMC N4)
GPUAD102-450AD102-300AD103-300AD104-400 (?)
Board NumberPG137-SKU0PG139-SKU330PG136/139-SKU360PG141-SKU331
SMs
 
142
 
128
 
76
 
60
CUDA Cores
 
18176
 
16384
 
9728
 
7680
Base ClockTBC
 
2235 MHz
TBCTBC
Boost ClockTBC
 
2520 MHz
TBCTBC
Memory
 
48 GB G6X
 
24 GB G6X
 
16 GB G6X
 
12GB G6X
Memory Bus
 
384-bit
 
384-bit
 
256-bit
 
192-bit
Memory Speed
 
24 Gbps
 
21 Gbps
 
21 Gbps
 
21 Gbps
Bandwidth
 
1152 GB/s
 
1008 GB/s
 
676 GB/s
 
504 GB/s
TGP
 
~800W
 
~450W
 
~420W
 
~300W
3DMark TimeSpy Extreme
 
~24,000
 
~19,000
 
~15,000
 
~11,000
Launch DateTBCOctober 2022TBCTBC

Source: Micron via @harukaze5719




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