XFX
XFX Speedster MERC310 AMD Radeon RX 7900 XT Gaming Graphics Card with 20GB GDDR6, AMD RDNA 3 RX-79TMERCUR
Bottom line: The XFX Speedster MERC310 AMD Radeon RX 7900 XT Gaming Graphics Card is a specs-and-price decision rather than a crowd-consensus one in the graphics cards category, priced around $1,199.99 on Amazon as of 2026-10-21 10:15 UTC. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Chipset: RX 7900 XT
- ✓ Backed by XFX's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
Chipset: RX 7900 XT Memory: 20GB GDDR6 XFX Triple Fan Cooling Solution
SpecPicks Verdict
SpecPicks scored XFX Speedster MERC310 AMD Radeon RX 7900 XT Gaming Graphics Card using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the graphics cards category. XFX'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.
Key Features
- Chipset: RX 7900 XT
- Memory: 20GB GDDR6
- XFX Triple Fan Cooling Solution
- Boost Clock Speed: Up to 2535MHz
Full Specifications
| Brand | XFX |
|---|---|
| Warranty | 3 Year Manufacturer |
| UnitCount | 1 |
| ReleaseDate | 2026-01-01T00:00:01Z |
| Manufacturer | XFX |
Performance Data
View gaming FPS, AI inference throughput, and synthetic scores for the Radeon RX 7900 XT — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.
Which local LLMs fit in 20 GB?
20 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) — fits at Q4
- ❌ 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 5 community runs from 5 sources, the Radeon RX 7900 XT generates a median 116.2 tok/s on 7–9B models at Q4 (per llm-tracker.info).
Ready to buy?
XFX Speedster MERC310 AMD Radeon RX 7900 XT Gaming Graphics Card with 20GB GDDR6, AMD RDNA 3 RX-79TMERCUR 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.
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
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