PowerColor

PowerColor AMD Radeon RX 7900 XT Graphics Card

Name: PowerColor AMD Radeon RX 7900 XT Graphics Card
Brand: PowerColor
SKU: B0BMWHCGBZ

Status: PowerColor AMD Radeon RX 7900 XT Graphics Card: Unavailable on Amazon as of 2026-10-06 10:13 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

🛒 Search eBay for this model

Bottom line: The PowerColor AMD Radeon RX 7900 XT Graphics Card: 20GB GDDR6 on a 320-bit bus at 20 Gbps handles 4K texture packs; main trade-off: 750W minimum PSU rules out most 650W builds.

Unavailable on Amazon as of 2026-10-06 10:13 UTC

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

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

Similar: Sapphire 21323-01-20G AMD Radeon RX 7900 XT… — $849.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

View Current Price — $849.99

Similar: Sapphire Pulse AMD Radeon RX 7900 XT Triple Fan… — $1139.99 on Amazon as of 2026-10-06 10:13 UTC (price may vary).

View Current Price — $1139.99

Similar: Sapphire 11323-02-20G Pulse AMD Radeon RX 7900… — $1189.00 on Amazon as of 2026-10-06 22:18 UTC (price may vary).

View Current Price — $1189.00

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

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

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

✓ 20GB GDDR6 on a 320-bit bus at 20 Gbps handles 4K texture packs
✓ 5376 stream processors with 2400 MHz boost clock
✓ DisplayPort 2.1 x2 supports higher-bandwidth modern monitors
✓ USB Type-C output drives VR headsets and monitors without an adapter

Cons

✗ 750W minimum PSU rules out most 650W builds
✗ No ray-tracing or FSR performance figures listed in the specs
✗ PowerColor lists no cooler dimensions, so case clearance is unverified
✗ Only one HDMI 2.1 port limits multi-TV setups

Manufacturer description

PowerColor AMD Radeon RX 7900 XT Graphics Card.

SpecPicks Verdict

SpecPicks scored PowerColor AMD Radeon RX 7900 XT Graphics Card using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the graphics cards category. PowerColor'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

AMD 7900XT & 7900XTX Review and Benchmarks! — JayzTwoCents on YouTube

Key Features

Video Memory 20GB GDDR6.Minimum System Power requirement (W) 750W
Stream Processor 5376 Units
Game Clock 2000 MHz
Boost Clock Up to 2400 MHz
Memory Clock 20.0 Gbps
Memory Interface 320-bit

Full Specifications

ASIN	B0BMWHCGBZ
Brand	PowerColor
Model Name	RX7900XT 20G
Item Weight	2 Kilograms
Manufacturer	PowerColor
Model Number	RX7900XT 20G
Built-In Media	Graphics Card
Number of Fans	3
Video Processor	AMD
Antenna Location	Gaming
Graphics Card Ram	20 GB
Graphics Ram Size	20 GB
Graphics Ram Type	GDDR6
Compatible Devices	Desktop
Memory Clock Speed	20 GHz
Graphics Coprocessor	AMD Radeon RX 7900 XT
Graphics Description	PowerColor AMD Radeon RX 7900 XT
Warranty Description	2-year limited
Item Dimensions L x W	11.42"L x 5.04"W
Video Output Interface	HDMI

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).

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

Ready to buy?

Amazon shows no buyable offer for PowerColor AMD Radeon RX 7900 XT Graphics Card at the last check. A similar in-stock product is Sapphire 21323-01-20G AMD Radeon RX 7900 XT…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $849.99