RTX 4090 vs RTX 5090 — value comparison
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.
Capability by task
| Scenario | RTX 4090 | RTX 5090 |
|---|---|---|
| 1080p Gaming | S#2 | S#1 |
| 1440p Gaming | S#2 | S#1 |
| 4K / VR | S#2 | S#1 |
| Ray Tracing @ 2K (1440p) | A#2 | S#1✓ |
| AI / Local LLM | S#2 | S#1 |
| 3D Rendering | S#2 | S#1 |
| Light Use & Efficiency | D#47 | D#48 |
RTX 5090 grades higher in 1 of 7 graded scenarios (6 tied) and is never graded lower. These are the same S–F grades as the tier list — capability only, price excluded. The value rows below add prices from the 2026-08-23 offer frame. How tiers are assigned →
Relative Value by priority
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.
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 · NewUS · USD · snapshot 2026-08-23
- $3699
- Beats RTX 5090 atbalanced weights; rival offer held fixed
- $2585
- Strong Value at80+ Relative Value threshold
- $1309
B · RTX 5090
- Current dataset offer · NewUS · USD · snapshot 2026-08-23
- $4400
- Beats RTX 4090 atbalanced weights; rival offer held fixed
- $6295
- Strong Value at80+ Relative Value threshold
- $2228
Capability indexes, side by side
Price is intentionally excluded here so the more capable product and the better-value product cannot be confused.
2383
2621
3593
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 variantNVIDIA GeForce RTX 4090 Founders Edition
- Host interfacePCIe 4.0 x16
- Suggested PSU850 W
- Power connectors1x 16-pin
- Card length304 mm
- Expansion slots3-slot
- Coolingair
- Display outputs1× HDMI · 3× DisplayPort
B · RTX 5090
- Representative offer variantASUS TUF Gaming RTX 5090
- Host interfacePCIe 5.0 x16
- Suggested PSU950 W
- Power connectors1x 16-pin
- Card length348 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 $0.15/kWh, RTX 4090 (450 W) adds about $148 in modeled electricity and RTX 5090 (575 W) about $189. The modeled difference is roughly $41. This uses rated power as a common comparison input, not a promise of wall-power consumption.
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 | 2,407 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) | 304 mm✓ | 348 mm |
| Warranty (representative offer) | not tracked | 36 mo |
| Current dataset offer · New | $3699snapshot 2026-08-23✓ | $4400snapshot 2026-08-23 |
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) | 3-slot✓ | 4-slot |
| Cooling fans (representative offer) | 3 | 3 |
| Display outputs (representative offer) | 1× 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.
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.
A third option worth checking
The same scenario and market frame checks whether another currently priced model offers a cleaner trade-off.
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.
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…
- Lower rated power matters: 450 W versus 575 W for RTX 5090.
- You can find it at or below its Strong Value threshold of $1309 under balanced weights.
Choose B · RTX 5090 if…
- You prioritize Ray Tracing — it earns the higher capability tier in those tracked scenarios.
- Your priorities resemble Balanced, 1080p Budget, 1440p Sweet Spot — it has higher Relative Value under those presets at the snapshot offers.
- You can find it at or below its Strong Value threshold of $2228 under balanced weights.
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 2026-08-23 offer frame, RTX 5090 has higher Relative Value under this configuration (50 vs 39). 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?
- RTX 5090 grades higher in 1 of 7 graded scenarios (6 tied) and is never graded lower.
- At what price does the RTX 4090 become the better value?
- Holding the RTX 5090 offer dated in the 2026-08-23 frame fixed, the calculation flips in favour of the RTX 4090 at roughly $2585 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.
Offer frame: 2026-08-23 · dataset generated 2026-08-23 · 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