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Sapphire 11309-03-20G Pulse AMD Radeon RX 6600 XT Gaming Graphics Card with 8GB GDDR6, AMD RDNA 2
Sapphire

Sapphire 11309-03-20G Pulse AMD Radeon RX 6600 XT Gaming Graphics Card with 8GB GDDR6, AMD RDNA 2

Bottom line: The Sapphire 11309-03-20G Pulse AMD Radeon RX 6600 XT Gaming Graphics Card ($498.00 on Amazon as of 2026-10-06): Boost clock up to 2593 MHz, well above AMD's RX 6600 XT reference spec; main trade-off: 128-bit memory bus limits 1440p and 4K headroom versus wider-bus cards.

$498.00

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Buy on Amazon — $498.00 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 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Boost clock up to 2593 MHz, well above AMD's RX 6600 XT reference spec
  • ✓ 8GB GDDR6 handles 1080p ultra textures in most current titles
  • ✓ Single 8-pin power connector works with modest 500W-class PSUs
  • ✓ PCI-Express 4.0 interface on an RDNA 2 die built for 1080p high-refresh

Cons

  • ✗ 128-bit memory bus limits 1440p and 4K headroom versus wider-bus cards
  • ✗ 8GB VRAM is tight for newer titles at max texture settings
  • ✗ RDNA 2 is a prior-generation architecture, not current AMD silicon
  • ✗ Ray tracing on RDNA 2 trails equivalent NVIDIA cards

Manufacturer description

Sapphire Pulse AMD Radeon RX 6600 XT Gaming Graphics Card with 8GB GDDR6, AMD RDNA 2.

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SpecPicks Verdict

SpecPicks scored Sapphire 11309-03-20G Pulse AMD Radeon RX 6600 XT Gaming Graphics Card using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the graphics cards category. Sapphire'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.

Video review

Sapphire Pulse with Radeon RX 6600 XT — Level1Techs on YouTube

Key Features

  • Game Clock: Up to 2382 MHz
  • Boost Clock: Up to 2593 MHz
  • Memory Interface: 128-bit DDR6
  • External Power: 1 x 8 pin
  • PCI-Express 4.0

Full Specifications

BrandSapphire
Weight20g
Game ClockUp to 2382 MHz
Model NameRX 6600 XT Gaming Graphics Card
Unit Count1 Count
Boost ClockUp to 2593 MHz
Model Number11309-03-20G
Built-In Mediamanual
External Power1 x 8 pin
Number of Fans2
Mfr Part Number11309-03-20G
Number of Items1
Video ProcessorAMD
Antenna LocationGame
Memory Interface128-bit DDR6
Graphics Card Ram8 GB
Graphics Ram Size8 GB
Graphics Ram TypeGDDR6
Compatible DevicesDesktop
Memory Clock Speed2 GHz

Performance Data

View gaming FPS, AI inference throughput, and synthetic scores for the Radeon RX 6600 XT — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.

Which local LLMs fit in 8 GB?

8 GB holds an 8B model at Q4 with a few thousand tokens of context; a 12–14B model needs 12 GB.

  • ✅ 7–9B models (Llama 3.1 8B, Qwen 3 8B) — fits at Q4
  • ❌ 12–14B models (Qwen 3 14B, Phi-4) — needs 12 GB+
  • ❌ 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 7 sources, the Radeon RX 6600 XT generates a median 53.9 tok/s on 7–9B models at Q4 (per DEV Community).

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

Ready to buy?

Sapphire 11309-03-20G Pulse AMD Radeon RX 6600 XT Gaming Graphics Card with 8GB GDDR6, AMD RDNA 2 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 — $498.00

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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Sapphire 11309-03-20G Pulse AMD Radeon RX 6600 XT Gaming Graphics Card with 8GB GDDR6, AMD RDNA 2
$498.00
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