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Compare RTX 4090 and RTX 5080 in Canada side by side across price, specifications, capability by use case and the price at which the answer changes.
Market snapshot Nov 9, 2026 · CAD
Specifications, performance and current prices compared in Canada · CAD · prices checked through Nov 9, 2026
NVIDIA
Current comparison price
CAD 2,640Value · Balanced44
from 6 offers at 2 retailers · checked Nov 9
Capability highlights · price excluded
NVIDIA
Current comparison price
CAD 2,250Value · Balanced48
from 14 offers at 3 retailers · checked Nov 9
Capability highlights · price excluded
Capabilityprice excluded
Scenarios won: RTX 4090 2, RTX 5080 0, even 7. RTX 4090 is ahead for Ray Tracing (4K), AI / LLM. View grades →
Valueunder Balanced
RTX 5080 has the higher Value under these priorities (48 vs 44).
Pricecurrent market snapshot
RTX 5080 costs less right now (CAD 2,250 vs CAD 2,640, 15% apart).
| Priority | RTX 4090 | RTX 5080 | |
|---|---|---|---|
| 44 | 48 | ||
| 43 | 48 | ||
| 46 | 50 | ||
| 82 | 79 | ||
| 80 | 82 | even | |
| 78 | 82 | ||
| 88 | 84 | ||
| 100 | 82 | ||
| 100 | 86 | ||
| 1 | 3 | even |
Pick a preset to compare under it: the whole page follows. Within 2 points counts as even.
Not tracked means our source data does not have the fact; it is never treated as absent. Inferred figures come from the reference model of the same chip.
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 2,640 44
RTX 4090 matches the Value of RTX 5080 (at CAD 2,250) at CAD 2,422 or less.
RTX 5080
Current comparison price
CAD 2,250 48
RTX 5080 keeps the higher Value up to CAD 2,453 (with RTX 4090 at CAD 2,640).
A crossover is a calculation under the active priorities and today's market frame, not a price forecast.
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
RTX 5080
Affiliate links may earn us a commission. They never change the prices shown here, the ranking or Value.
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 | RTX 5080 | |
|---|---|---|
| 1080p Budget | S #2 | S #3 |
| 1440p Sweet Spot | S #2 | S #3 |
| 4K Ultra / VR | S #2 | S #3 |
| Ray Tracing (1080p) | S #2 | S #3 |
| Ray Tracing (1440p) | A #2 | A #3 |
| Ray Tracing (4K) | B #2 | C #3 |
| AI / LLM | S #2 | A #3 |
| 3D Rendering | S #2 | S #3 |
| Light Use & Efficiency | D #40 | D #39 |
| Gaming performance | 1,962 | 1,689 |
| Ray tracing | 2,037 | 1,824 |
| AI compute | 2,833 | 1,931 |
Facts true of every board a product groups; a range or "varies" marks a fact that differs between boards.
2 identical facts hidden
| RTX 4090 | RTX 5080 | |
|---|---|---|
| Memory | ||
| Video memory | 24 GB | 16 GB |
| Memory type | GDDR6X | GDDR7 |
| Memory bus | 384 bit | 256 bit |
| Power & physical | ||
| Board power | 450 W | 360 W |
| Recommended PSU | 850 W | 750 W – 850 W |
| Card length | 331 mm – 358 mm | 304 mm – 360 mm |
| Cooling | Air, AIO (varies by board) | Air |
| Compatibility & features | ||
| Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| Display outputs | DisplayPort, HDMI | DisplayPort, HDMI, USB-C (varies by board) |
| Features | Backplate, DLSS, Frame generation, RGB lighting, Ray tracing, Dual bios, Is water cooled (varies by board) | Backplate, DLSS, Frame generation, RGB lighting, Ray tracing, Dual bios (varies by board) |
| Product & board | ||
| GPU chip (as listed) | Not tracked | GB203 |
| Board brand | ASUS, GIGABYTE (varies by board) | GIGABYTE, ASUS, ZOTAC (varies by board) |
| Release year | 2022 | 2025 |
| Colour | Black | Black, White (varies by board) |
Not tracked means the source data does not have this fact. It is not assumed to be absent.
Conditions drawn from the data above, not a universal recommendation. The better choice depends on which of these matter to you.
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.
Under Balanced, RTX 5080 has the higher Value (48 vs 44) in the market snapshot of Nov 9, 2026. Value changes with your priorities and with prices.
Under Balanced, with RTX 5080 at its current price, RTX 4090 reaches equal Value at CAD 2422. It is a calculation, not a price forecast.
Scenarios won: RTX 4090 2, RTX 5080 0, even 7. RTX 4090 is ahead for Ray Tracing (4K), AI / LLM.
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.