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Graphics card · MODEL NOTES

SAPPHIRE PULSE Radeon RX 7800 XT 16GB

A 16 GB previous-generation Radeon that should be judged against the complete RX 9070 alternative.

Check with my buildRead the specifications ↓
The decision

The PULSE RX 7800 XT is worth comparing if its delivered price and warranty are attractive. Check the games and rendering features you need against the RX 9070, including power and case requirements; the shared 16 GB capacity does not make the two interchangeable.

Consider it when

  • A graphics-focused build with software confirmed to support the intended Radeon path.
  • A local offer that leaves a meaningful saving after any PSU or cooling changes.

Look again when

  • A purchase based solely on memory size, or an application requiring a GPU capability absent from the checked software path.

THE SPACE IT NEEDS

Make room for the whole card

280 mmBody length
Original dimension guide. The primary dimension is scaled; other geometry is schematic.
Card length
280mm

Compare length with the space left after front fans, radiators and drive cages. Card thickness and power-cable clearance are separate checks.

Check graphics-card clearance ↗

Based on the manufacturer specification record, checked . Check the exact revision and installation instructions before buying.

The checks that can change your choice

Keep exact board power in the plan

SAPPHIRE specifies 266 W total board power and a 700 W minimum PSU for this PULSE model. The catalog RX 9070 has different requirements; do not transfer a GPU-family reference rating here.

Check the 52.57 mm cooler thickness

The 280 mm length may look manageable, but adjacent cards, bottom-mounted fans and intake space also matter. Verify the installed configuration with two 8-pin leads routed clear of fans.

Published specifications

16 GB GDDR6; 280 × 128.75 × 52.57 mm; 266 W total board power; minimum 700 W PSU; 2 × 8-pin.

BrandSAPPHIRE
Exact modelPULSE Radeon RX 7800 XT 16GB
Published power rating266 W — SAPPHIRE published Total Board Power
GPU length280 mm
Graphics memory16 GB; capacity does not establish rendering or AI speed
Manufacturer PSU recommendation700 W; check the whole system and cables

Previous-generation model retained for regional budget and upgrade comparisons; live retail availability is not verified.

Catalog record checked . Manufacturer specifications. The individual references below show the dates used for these model notes.

A different choice worth checking

SAPPHIRE PULSE Radeon RX 9070 16GBThe PULSE RX 9070 is worth comparing when a 16 GB Radeon fits your software and the non-XT board makes the system easier to house and cool. Decide between it and the XT using actual workload evidence and the complete upgrade cost.Read this model’s tradeoffs ↗SAPPHIRE PULSE Radeon RX 7700 XT 12GBThe PULSE RX 7700 XT can be considered if its real local offer fits the intended display and applications. Compare the total cost with the 7800 XT and 9060 XT 16 GB; more memory on another card does not by itself prove greater graphics throughput.Read this model’s tradeoffs ↗SAPPHIRE PULSE Radeon RX 7900 XT 20GBThe PULSE RX 7900 XT provides more memory than the 16 GB options around it, but that is only one part of the choice. Verify software support and actual processing performance against the RX 9070 XT and 7900 XTX before paying for extra capacity.Read this model’s tradeoffs ↗

These alternatives address related choices. Recheck their platform, connections and fit before treating one as a replacement.

Follow the check that matters to your build

Explore the weight-memory estimate for local AI models. Capacity alone does not establish runtime support or speed.

Sources and review notes

RigAtlas connects manufacturer specifications to component choices. This page is document-based analysis; it does not claim a hands-on test or a current store offer.

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Review this component with your existing selections before making the change.

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