Relative Value65balanced preset
RTX 4090 vs RTX 5090 — value comparison
See current offers for RTX 4090
NVIDIA
RTX 5090
Representative tracked offer: ASUS ROG Astral RTX 5090 WHITE OC Edition
32GB VRAMPerf: 2383575W
Relative Value48balanced preset
RTX 4090 shows higher Relative Value under balanced weights at the current dataset offers: 65 vs 48. The result crosses over if RTX 5090 reaches about CAD 4069 or below.
Price data · Canada · CAD · New · A 2026-09-27 · B 2026-09-27Coverage · 6 tracked new-offer records across both modelsBenchmark confidence · no estimate flags on these two recordsAffiliate links · We may earn a commission from these links. Scores are calculated separately using our methodology.
02 · Decision matrix
One decision, three separate questions
Capability ignores price. Relative Value adds the current dataset offers and your priorities. Keeping them separate prevents a cheap product from being mistaken for the faster product.
The decision, split by questioncapability · value · price are separate answers
Capability by task
| Scenario | RTX 4090 | RTX 5090 |
|---|---|---|
| 1080p Gaming | S#3 | S#1 |
| 1440p Gaming | S#3 | S#1 |
| 4K / VR | S#3 | S#1 |
| Ray Tracing @ 2K (1440p) | N/A | N/A |
| AI / Local LLM | S#3 | S#1 |
| 3D Rendering | S#2 | S#1 |
| Light Use & Efficiency | D#22 | D#23 |
They grade identically in all 6 graded scenarios — the tier table won't decide this one, so compare price and Value below. 1 scenario can't be graded for one of them (shown as N/A). These are the same S–F grades as the tier list — capability only, price excluded. The value rows below add prices from the 2026-09-27 offer frame. How tiers are assigned →
Relative Value by priority
Balancedhigher relative value lit
65 ✓
48
1080p Budgethigher relative value lit
46 ✓
26
1440p Sweet Spothigher relative value lit
71 ✓
57
4K Ultra / VRhigher relative value lit
84
100 ✓
Ray Tracing (1440p)higher relative value lit
72 ✓
66
AI / LLMhigher relative value lit
73
100 ✓
Both products are normalized within the same in-stock market frame per preset. A check marks the higher Relative Value; a difference of 3 points or less is shown as practically even.
03 · Price crossover
The price changes the answer
Current offers, crossover points and Strong Value thresholds answer different questions. Thresholds are calculations, not price forecasts.
A · RTX 4090
- Current dataset offer · NewCanada · CAD · snapshot 2026-09-27
- CAD 2640
- Beats RTX 5090 atbalanced weights; rival offer held fixed
- CAD 3996
- Strong Value at80+ Relative Value threshold
- CAD 1949
B · RTX 5090
- Current dataset offer · NewCanada · CAD · snapshot 2026-09-27
- CAD 6160
- Beats RTX 4090 atbalanced weights; rival offer held fixed
- CAD 4069
- Strong Value at80+ Relative Value threshold
- CAD 3004
04 · Where to buy
Current offers for both products
Dated New-condition price snapshots for only the two products in this comparison. Confirm the final price and availability at the store.
A · RTX 4090
New · Canada · CADB · RTX 5090
New · Canada · CAD05 · Capability
Capability indexes, side by side
Price is intentionally excluded here so the more capable product and the better-value product cannot be confused.
Raster performance
1962
2383
2383
Ray tracing
2037
2621
2621
AI (FP16 tensor)
2833
3593
3593
A · RTX 4090B · RTX 5090GPU indexes share one 1000-point scale (RTX 4070 = 1000).The Value leader depends on how you weight things: RTX 4090 leads under 4 presets, RTX 5090 under 2.
06 · Platform & ownership
Fit, compatibility and ownership context
Only verified structured fields are shown. Physical fit, connectors, cooling and typical warranty belong to the representative tracked partner card named in each column; other board variants can differ.
A · RTX 4090
- Representative offer variantASUS ROG STRIX RTX 4090 GAMING
- Host interfacePCIe 4.0 x16
- Suggested PSU850 W
- Power connectors1x 16-pin
- Card length358 mm
- Expansion slots4-slot
- Coolingair
- Display outputs2× HDMI · 3× DisplayPort
- Warranty (typical new)36 mo
B · RTX 5090
- Representative offer variantASUS ROG Astral RTX 5090 WHITE OC Edition
- Host interfacePCIe 5.0 x16
- Suggested PSU950 W
- Power connectors1x 16-pin
- Card length358 mm
- Expansion slots4-slot
- Coolingair
- Display outputs2× HDMI · 3× DisplayPort
- Warranty (typical new)36 mo
3-year electricity model
Over 3 years at 4h/day and CAD 0.18/kWh, RTX 4090 (450 W) adds about CAD 177 in modeled electricity and RTX 5090 (575 W) about CAD 227. The modeled difference is roughly CAD 50. This uses rated power as a common comparison input, not a promise of wall-power consumption.
07 · Specifications
Key specifications
Reference-GPU fields and representative-offer fields are labelled separately. Directional checkmarks appear only where more or less has a clear meaning; they are not an overall verdict.
| Specification | RTX 4090 | RTX 5090 |
|---|---|---|
| Architecture | Ada Lovelace | Blackwell 2.0 |
| VRAM | 24 GB | 32 GB✓ |
| Memory type | GDDR6X | GDDR7 |
| Memory bus | 384-bit | 512-bit✓ |
| Host interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| Boost clock | 2,520 MHz | 2,580 MHz |
| Board power (lower is better) | 450 W✓ | 575 W |
| Suggested PSU (representative offer) | 850 W | 950 W |
| Power connectors (representative offer) | 1x 16-pin | 1x 16-pin |
| Card length (representative offer) | 358 mm | 358 mm |
| Warranty (representative offer) | 36 mo | 36 mo |
| Current dataset offer · New | CAD 2640snapshot 2026-09-27✓ | CAD 6160snapshot 2026-09-27 |
Show additional verified specifications
| Specification | RTX 4090 | RTX 5090 |
|---|---|---|
| Process node | 5 nm | 5 nm |
| Base clock | 2,235 MHz | 2,017 MHz |
| Memory data rate | 21 Gbps | 28 Gbps |
| Expansion slots (representative offer) | 4-slot | 4-slot |
| Cooling fans (representative offer) | 3 | 3 |
| Display outputs (representative offer) | 2× HDMI · 3× DisplayPort | 2× HDMI · 3× DisplayPort |
| Cooling type (representative offer) | air | air |
“Not tracked” means the source data does not contain a verified value; no default or guessed specification is substituted.
08 · Customize
Try other models and your own priorities
Presets are starting points. Swap either side, then open Advanced weights only if you want to tune the formula directly.
09 · Alternative
A third option worth checking
The same scenario and market frame checks whether another currently priced model offers a cleaner trade-off.
No cleaner third option in this dataset
The scenario-aware check did not find a currently priced alternative that improves this decision without changing the trade-off. This is a dataset result, not a claim that no other product exists.
10 · Decision guide
Choose based on the trade-off you actually want
These are evidence-linked conditions, not universal buying verdicts. Feature ecosystems, software support and platform preferences remain your call.
Choose A · RTX 4090 if…
- Your priorities resemble Balanced, 1080p Budget, 1440p Sweet Spot — it has higher Relative Value under those presets at the snapshot offers.
- Lower rated power matters: 450 W versus 575 W for RTX 5090.
- You can find it at or below its Strong Value threshold of CAD 1949 under balanced weights.
Choose B · RTX 5090 if…
- Your priorities resemble 4K Ultra / VR, AI / LLM — it has higher Relative Value under those presets at the snapshot offers.
- You can find it at or below its Strong Value threshold of CAD 3004 under balanced weights.
11 · Methodology & FAQ
Read the methodology →How to read this comparison
The formula is a linear weighted sum inside the current comparison frame. Capability, price and user priorities stay visible as separate inputs so the result can be challenged and changed.
- Which is better value right now: RTX 4090 or RTX 5090?
- Under the balanced preset and the 2026-09-27 offer frame, RTX 4090 has higher Relative Value under this configuration (65 vs 48). Value is price-dependent and moves with your weighting; capability is a separate question, answered by the tier table.
- Which one is more capable, ignoring price?
- They grade identically in all 6 graded scenarios — the tier table won't decide this one, so compare price and Value below. 1 scenario can't be graded for one of them (shown as N/A).
- At what price does the RTX 5090 become the better value?
- Holding the RTX 4090 offer dated in the 2026-09-27 frame fixed, the calculation flips in favour of the RTX 5090 at roughly CAD 4069 or below (balanced preset). Not a price forecast.
- Where can I compare current offers for both?
- Dated offer snapshots for both models are listed on their product pages (linked above); the interactive calculator recalculates both with your own weights and budget.
Get more from The Comparator
🧩 Embed this on your siteFree live value widgets — drop a deal monitor or comparison into your blog or article.
🔎 Price a used listingPaste any marketplace listing and score it against today's market in the calculator.
✏️ Found a data error?Tell us — we keep prices and specs honest, dated and corrected fast.
Offer frame: 2026-09-27 · dataset generated 2026-09-27 · formula gpu-value-v1.4-benefit-cost-product · Value Score is an estimate based on our current dataset, selected weights, market prices and methodology — not an official product rating or a price forecast. Target prices are calculation thresholds, not predictions. Methodology · Report a data error