GIGABYTE

GIGABYTE GeForce RTX 3080 Ti Gaming OC 12G Graphics Card

Name: GIGABYTE GeForce RTX 3080 Ti Gaming OC 12G Graphics Card, 3X WINDFORCE Fans, 12GB 384-Bit GDDR6X, GV-N308TGAMING OC-12GD Video Card
Brand: GIGABYTE
SKU: B083HZGMWZ

Status: GIGABYTE GeForce RTX 3080 Ti Gaming OC 12G… (RTX 3080 Ti 12GB graphics card): Unavailable on Amazon as of 2026-10-21 16:17 UTC. Closest in-stock match (same RTX 3080 Ti 12GB graphics card): GIGABYTE GeForce RTX 3080 Ti Vision OC 12G…, $999.99 on Amazon as of 2026-10-21 22:18 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $999.99 🛒 Search eBay for this model

Bottom line: The GIGABYTE GeForce RTX 3080 Ti Gaming OC 12G Graphics Card: 12GB GDDR6X on a 384-bit bus for 912 GB/s of memory bandwidth; main trade-off: 12GB VRAM limits larger local LLMs and heavy 4K texture packs.

Unavailable on Amazon as of 2026-10-21 16:17 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Same RTX 3080 Ti 12GB graphics card: GIGABYTE GeForce RTX 3080 Ti Vision OC 12G… — $999.99 on Amazon as of 2026-10-21 22:18 UTC (price may vary).

View Current Price — $999.99

Same RTX 3080 Ti 12GB graphics card: GIGABYTE AORUS GeForce RTX 3080 Ti Master 12G… — $709.97 on Amazon as of 2026-10-21 20:20 UTC (price may vary).

View Current Price — $709.97

Similar: GIGABYTE GeForce RTX 3060 Gaming OC 12G — $478.00 on Amazon as of 2026-10-21 20:20 UTC (price may vary).

View Current Price — $478.00

Original listing (currently unavailable) → Compare to similar graphics cards

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-21

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ 12GB GDDR6X on a 384-bit bus for 912 GB/s of memory bandwidth
✓ 3X WINDFORCE triple-fan cooler for sustained 1440p and 4K loads
✓ 2nd gen RT Cores for real-time ray tracing in supported games
✓ 3rd gen Tensor Cores enable DLSS upscaling and AI workloads
✓ 7680x4320 max digital resolution supports 8K displays

Cons

✗ 12GB VRAM limits larger local LLMs and heavy 4K texture packs
✗ GIGABYTE recommends a 750W PSU, which may force a PSU upgrade
✗ Ampere architecture: no DLSS 3 Frame Generation support
✗ Triple-fan cooler needs ample case room; check listed dimensions

Manufacturer description

The GIGABYTE GeForce RTX 3080 Ti Gaming OC 12G pairs NVIDIA's Ampere-generation RTX 3080 Ti GPU with 12GB of GDDR6X memory on a 384-bit interface. That gives it 912 GB/s of memory bandwidth for high-resolution gaming and GPU-accelerated work. GIGABYTE's 3X WINDFORCE triple-fan cooler is built to handle the RTX 3080 Ti's heat through long sessions at 1440p and 4K. 2nd generation RT Cores handle real-time ray tracing. 3rd generation Tensor Cores run DLSS upscaling and AI workloads such as local inference and image generation, as long as they fit in the 12GB of VRAM. Digital output goes up to…

SpecPicks Verdict

SpecPicks scored GIGABYTE GeForce RTX 3080 Ti Gaming OC 12G Graphics Card using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the graphics cards category. GIGABYTE's graphics cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for graphics cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

What size power supply do I need for the GIGABYTE RTX 3080 Ti Gaming OC?

GIGABYTE recommends a 750W power supply for this card. Check the product listing for the required PCIe power connectors before you install it.

Is 12GB of VRAM enough for 4K gaming and AI work?

The card has 12GB of GDDR6X on a 384-bit interface with 912 GB/s of bandwidth. That handles most 4K games and smaller AI models, but very large local LLMs or extreme texture packs can exceed 12GB.

Does this card support ray tracing and DLSS?

Yes. It has 2nd generation RT Cores for ray tracing and 3rd generation Tensor Cores for DLSS upscaling. As an Ampere card, it does not support DLSS 3 Frame Generation.

Can the RTX 3080 Ti Gaming OC drive an 8K monitor?

Its maximum digital resolution is 7680x4320, so it can output to an 8K display. Frame rates at 8K depend heavily on the game and settings.

Will this graphics card fit in my case?

It is listed for ATX form factor builds and uses a triple-fan WINDFORCE cooler. Check the product listing for the exact card length and slot width, and compare them to your case's GPU clearance.

Video review

Cooler than the FE (But equally unavailable) - Gigabyte GeForce RTX 3080 Ti Gaming OC Review — Techtesters on YouTube

Key Features

Digital Max Resolution:7680x4320.Form Factor:ATX.Recommended PSU : 750W. Memory Bandwidth (GB/sec) : 912 GB/s.
NVIDIA Ampere Streaming Multiprocessors
2nd Generation RT Cores
3rd Generation Tensor Cores.Avoid using unofficial software
Powered by GeForce RTX 3080 Ti
Integrated with 12GB GDDR6X 384-bit memory interface

Full Specifications

Brand	GIGABYTE
Model	GV-N308TGAMING OC-12GD
Warranty	4 (REGISTER)
UnitCount	1
ReleaseDate	2021-06-03T00:00:01Z
Manufacturer	Gigabyte
ItemPartNumber	GV-N308TGAMING OC-12GD
Full listing title	GIGABYTE GeForce RTX 3080 Ti Gaming OC 12G Graphics Card, 3X WINDFORCE Fans, 12GB 384-Bit GDDR6X, GV-N308TGAMING OC-12GD Video Card

Performance Data

View gaming FPS, AI inference throughput, and synthetic scores for the NVIDIA GeForce RTX 3080 Ti — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.

Which local LLMs fit in 12 GB?

12 GB holds models up to about 14B at Q4 with a usable context window; above that band the weights spill to system RAM and system-RAM bandwidth sets the speed, not the GPU.

✅ 7–9B models (Llama 3.1 8B, Qwen 3 8B) — fits at Q4
✅ 12–14B models (Qwen 3 14B, Phi-4) — fits at Q4
❌ 20–27B models (Gemma 3 27B, Mistral Small) — needs 20 GB+
❌ 30–35B models (Qwen 3 32B, QwQ 32B) — needs 24 GB+
❌ 70B models (Llama 3.3 70B, Qwen 2.5 72B) — needs 48 GB+

Across 13 community runs from 7 sources, the NVIDIA GeForce RTX 3080 Ti generates a median 89.7 tok/s on 7–9B models at Q4 (per Hardware Corner).

Per-model VRAM guide: which GPU for which LLM →

Ready to buy?

Amazon shows no buyable offer for GIGABYTE GeForce RTX 3080 Ti Gaming OC 12G… at the last check. The closest in-stock match with the same RTX 3080 Ti 12GB graphics card is GIGABYTE GeForce RTX 3080 Ti Vision OC 12G…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $999.99