GDDRVolume2020
Graphics DDR6X
PAM4-signaling graphics memory powering NVIDIA RTX 30/40-series consumer GPUs. Micron exclusive until recently. Still the workhorse of consumer GPU compute and entry-level AI inference. Being superseded by GDDR7.
Bandwidth
96 GB/s
Interface
256-bit
Max height
1-hi
Capacity/stack
1-2 GB
Process
1y nm DRAM
Voltage
1.35V
AI chips using
0
Suppliers
2
AI demand
10%
$/GB
$5.5
Suppliers
2 companies producing GDDR6X
M
MicronVolumeMarket share
85%
Near-exclusive supplier (PAM4 pioneer)
S
SamsungVolumeMarket share
15%
Late entry, limited volume
Demand breakdown
Stable · massive installed base but declining as GDDR7 ramps
AI10%
Consumer80%
Automotive5%
Networking5%
Sector detail
Gaming GPU · 75%
RTX 40-series, massive installed base
Edge AI inference · 10%
Budget inference on consumer GPUs
Professional GPU · 10%
Workstation cards
Automotive · 5%
Current-gen ADAS compute
Primary buyers
NVIDIAPricing
Average selling price · year-over-year trend
Price per GB
$5.5
YoY change
-10%
Trend
Declining
Declining as GDDR7 takes over high-end