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Gigabyte Radeon RX 6800 Gaming OC 16GB Graphics Card

Gigabyte Radeon RX 6800 Gaming OC 16GB Graphics Card

Bottom line: The Gigabyte Radeon RX 6800 Gaming OC 16GB Graphics Card ($799.00 on Amazon as of 2026-10-21 10:12 UTC): 16GB GDDR6 on a 256-bit memory interface for high-res textures; main trade-off: triple-fan card; listing omits length, so verify case clearance.

$799.00

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Buy on Amazon — $799.00 Compare to similar graphics cards

By , Founder & Editor-in-Chief · Listing data updated

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.

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 16GB GDDR6 on a 256-bit memory interface for high-res textures
  • ✓ 60 RDNA 2 compute units built for 4K-resolution gaming
  • ✓ 128MB AMD Infinity Cache on-die alongside the 16GB VRAM
  • ✓ WINDFORCE 3X triple-fan cooler with alternate-spinning fans
  • ✓ Dual BIOS plus a protective metal backplate

Cons

  • ✗ Triple-fan card; listing omits length, so verify case clearance
  • ✗ Listing omits power draw and PCIe power connector details
  • ✗ Factory OC clock speeds not stated in the product listing
  • ✗ RGB Fusion 2.0 lighting control relies on Gigabyte software

Manufacturer description

The AMD Radeon™ RX 6800 graphics card, powered by AMD RDNA™ 2 architecture, featuring 60 powerful enhanced Compute Units, 128 MB of all new AMD Infinity Cache and up to 16GB of dedicated GDDR6 memory, is engineered to deliver ultra-high frame rates and serious 4K resolution gaming.

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SpecPicks Verdict

SpecPicks scored Gigabyte Radeon RX 6800 Gaming OC 16GB Graphics Card using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the graphics cards category. Compare with similarly-priced alternatives in the graphics cards category before committing. 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.

Key Features

  • Powered by RDNA2 Radeon RX 6800
  • Integrated with 16GB GDDR6 256-bit memory interface
  • WINDFORCE 3X Cooling System with alternate spinning fans
  • RGB Fusion 2.0
  • Dual BIOS
  • Protective metal back plate

Full Specifications

BrandGIGABYTE
GPU SeriesAMD RX 6000 Series
Model NameGV-R68GAMING OC-16GD
Unit Count1.0 Count
Model NumberGV-R68XTGAMING OC-16GD
Built-In MediaQuick start guide
Number of Fans3
Mfr Part NumberGV-R68GAMING OC-16GD
Video ProcessorAMD
Antenna LocationGaming
Graphics Card Ram16 GB
Graphics Ram Size16 GB
Graphics Ram TypeGDDR6
Compatible DevicesDesktop
Memory Clock Speed16000 MHz
Graphics CoprocessorAMD Radeon RX 6800
Graphics DescriptionDedicated
Item Dimensions L x W11.26"L x 4.41"W
Video Output InterfaceDisplayPort, HDMI
Graphics Card InterfacePCI-Express x16

Performance Data

View gaming FPS, AI inference throughput, and synthetic scores for the Radeon RX 6800 — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.

Which local LLMs fit in 16 GB?

16 GB holds a 20–27B model at Q4 with a modest context window; 30B-class weights need 24 GB.

  • ✅ 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 8 community runs from 6 sources, the Radeon RX 6800 generates a median 95.6 tok/s on 7–9B models at Q4 (per llama.cpp GitHub Discussion #15021).

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

Ready to buy?

Gigabyte Radeon RX 6800 Gaming OC 16GB Graphics Card is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $799.00

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

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Gigabyte Radeon RX 6800 Gaming OC 16GB Graphics Card
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