The Comparator

RTX 4090 vs RX 7900 XTX

Specifications, performance and current prices compared in Canada · CAD · prices checked through Oct 17, 2026

Open in Compare

RTX 4090

NVIDIA

Current comparison price

CAD 6,138Value 38 · Balanced

from 3 offers at 1 retailers · checked Oct 17

Capability highlights · price excluded

  • S 1080p Budget
  • S 1440p Sweet Spot
  • S 4K Ultra / VR
+3 more · view all grades
  • S 1080p Budget
  • S 1440p Sweet Spot
  • S 4K Ultra / VR
  • S AI / LLM
  • S 3D Rendering
  • D Light Use & Efficiency

RX 7900 XTX

AMD

Current comparison price

CAD 2,100Value 67 · Balanced

from 1 offer · checked Oct 11

Capability highlights · price excluded

  • S 1080p Budget
  • S 1440p Sweet Spot
  • A 4K Ultra / VR
+6 more · view all grades
  • S 1080p Budget
  • S 1440p Sweet Spot
  • A 4K Ultra / VR
  • A Ray Tracing (1080p)
  • B Ray Tracing (1440p)
  • D Ray Tracing (4K)
  • B AI / LLM
  • B 3D Rendering
  • D Light Use & Efficiency

Key differences at a glance

Capabilityprice excluded

RTX 4090 leads in 3 scenarios, RX 7900 XTX in 0, 3 even. RTX 4090 is ahead for 4K Ultra / VR, AI / LLM, 3D Rendering. View grades →

Valueunder Balanced

RX 7900 XTX has the higher Value under these priorities (67 vs 38).

Pricecurrent market snapshot

RX 7900 XTX costs less right now (CAD 6,138 vs CAD 2,100, 66% apart).

How priorities change the comparison RTX 4090 has higher Value under 3 presets · RX 7900 XTX under 7 · 0 even
Priority RTX 4090 RX 7900 XTX
3867
2050
4066
7079
4253
4052
6561
6218
7122
411

Pick a preset to compare under it: the whole page follows. Within 2 points counts as even.

Price difference and break-even price

Under Balanced, each product holds or loses the higher Value at one price, with the other held at its current price. Enter the prices you were actually offered to see the answer for your deal.

RTX 4090

Current comparison price

CAD 6,138 Value 38

RTX 4090 matches the Value of RX 7900 XTX (at CAD 2,100) at CAD 2,734 or less.

RX 7900 XTX

Current comparison price

CAD 2,100 Value 67

RX 7900 XTX keeps the higher Value up to CAD 4,715 (with RTX 4090 at CAD 6,138).

A crossover is a calculation under the active priorities and today's market frame, not a price forecast.

Price comparison: current offers

New offers we track in Canada (CAD), cheapest first, with the date each was checked. Amazon appears as a link only: its price is not shown and never enters Value.

RTX 4090

  1. Check current priceAmazonAffiliate link · price shown on AmazonCheck price →
  2. CAD 6,138Best priceASUS TUF RTX 4090 GAMINGNewegg · checked · Affiliate link · 348 mmGo to offer →
  3. CAD 6,138ASUS TUF RTX 4090 GAMING OCNewegg · checked · Affiliate link · 348 mmGo to offer →
  4. CAD 8,300GIGABYTE RTX 4090 WINDFORCENewegg · checked · Affiliate link · 331 mmGo to offer →

RX 7900 XTX

  1. Check current priceAmazonAffiliate link · price shown on AmazonCheck price →
  2. CAD 2,100ASUS TUF RX 7900 XTX GAMINGNewegg · checked · Affiliate linkGo to offer →

Affiliate links may earn us a commission. They never change the prices shown here, the ranking or Value.

Performance and key differences

What each product can do for a job, graded S to F with price left out, and the measured indexes behind it.

View full tier list and performance rankings

RTX 4090 RX 7900 XTX
1080p BudgetS #2S #4
1440p Sweet SpotS #2S #4
4K Ultra / VRS #2A #4
Ray Tracing (1080p)Not trackedA #8
Ray Tracing (1440p)Not trackedB #7
Ray Tracing (4K)Not trackedD #6
AI / LLMS #2B #19
3D RenderingS #2B #15
Light Use & EfficiencyD #37D #35
Gaming performance1,9621,605
Ray tracing2,0371,264
AI compute2,833527

Where each one leads

  • More offers
  • Lower current price · Higher Value with these priorities · Lower board power

Specifications compared

Facts true of every board a product groups; a range or "varies" marks a fact that differs between boards.

8 identical facts hidden

RTX 4090 RX 7900 XTX
Memory
Memory typeGDDR6XGDDR6
Power & physical
Board power450 W355 W
Recommended PSU850 W750 W
Card length331 mm – 348 mm353 mm
Compatibility & features
FeaturesBackplate, DLSS, Frame generation, Ray tracingBackplate, Frame generation, FSR, Ray tracing
Product & board
GPU makerNVIDIAAMD
Board brandASUS, GIGABYTE (varies by board)ASUS

Not tracked means the source data does not have this fact. It is not assumed to be absent.

Which one to choose: where each wins

Conditions drawn from the data above, not a universal recommendation. The better choice depends on which of these matter to you.

RTX 4090 fits better when…

  • the job is 4K Ultra / VR, AI / LLM, 3D Rendering: higher capability grade
  • Gaming performance matters: higher index
  • Ray tracing matters: higher index
  • AI compute matters: higher index

RX 7900 XTX fits better when…

  • your priorities are Balanced: higher Value
  • the budget decides: 66% lower current price
  • lower Board power matters: 355 W vs 450 W

Questions and methodology

Which one is better, RTX 4090 or RX 7900 XTX?

It depends on the question. For capability (price left out) see the grades by use case; for how good the current price is for what you get, see Value under your priorities; and for the cheapest option today, see current prices. This page keeps the three apart and does not name one overall winner.

Which has the higher Value right now?

Under Balanced, RX 7900 XTX has the higher Value (67 vs 38) in the market snapshot of Oct 17, 2026. Value changes with your priorities and with prices.

At what price does the answer change?

Under Balanced, with RX 7900 XTX at its current price, RTX 4090 reaches equal Value at CAD 2734. It is a calculation, not a price forecast.

Which one is more capable, ignoring price?

RTX 4090 leads in 3 scenarios, RX 7900 XTX in 0, 3 even. RTX 4090 is ahead for 4K Ultra / VR, AI / LLM, 3D Rendering.

Where can I compare current offers?

The offers section lists every new offer we track for both products in Canada, with the date each price was checked. Open in Compare to add more products.

How we measure →