ASUS GeForce RTX 3080 TUF Gaming OC Review 215

ASUS GeForce RTX 3080 TUF Gaming OC Review

Test Setup »

High-resolution PCB Pictures

These pictures are for the convenience of volt modders and people who would like to see all the finer details on the PCB. Feel free to link back to us and use these in your articles or forum posts.

Graphics Card Teardown PCB Front
Graphics Card Teardown PCB Back

High-res versions are also available (front, back).

Circuit Board (PCB) Analysis

GPU Voltage, VRM Configuration

The ASUS RTX 3080 TUF Gaming OC uses a pair of UPI uP9512R 8-phase VRM controllers, which puts out a 16-phase VRM for the GPU.

ASUS is using Vishay Siliconix SiC641 DrMOS components throughout this VRM solution.

Memory Chip Voltage Controller
Memory Voltage, VRM Configuration

The memory power is a 4-phase setup pulled by a uP9512S buck controller.

Graphics Card Memory Chips

The GDDR6X memory chips are made by Micron and carry the model number D8BGW, which decodes to MT61K256M32JE-19:T. They are specified to run at 1188 MHz (19 Gbps GDDR6X effective).

GDDR6X doubles the data rate once again over GDDR6. It no longer transmits one bit of information by setting the voltage to either "on" or "off", but instead sends two bits of information at the same time by using four different voltage levels.

Graphics Chip GPU

NVIDIA's GA102 graphics processor is the company's second Ampere architecture chip, and the first one targeted at GeForce gamers. It is produced on a 8 nanometer process at Samsung and has a transistor count of 28 billion with a die size of 628 mm².
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