RTX 3080 Ti vs RTX 3090 โ value comparison
RTX 3090
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 3080 Ti | RTX 3090 |
|---|---|---|
| 1080p Gaming | A#22 | S#16โ |
| 1440p Gaming | B#22 | A#16โ |
| 4K / VR | C#22 | C#16 |
| Ray Tracing @ 2K (1440p) | B#15 | B#14 |
| AI / Local LLM | B#16 | A#9โ |
| 3D Rendering | B#13 | B#15 |
| Light Use & Efficiency | D#55 | D#53 |
RTX 3090 grades higher in 3 of 7 graded scenarios (4 tied) and is never graded lower. These are the same SโF grades as the tier list โ capability only, price excluded. The value rows below add prices from the 2026-08-19 offer frame. How tiers are assigned โ
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 ยท RTX 3080 Ti
- Current dataset offer ยท NewUS ยท USD ยท snapshot 2026-08-19
- $1245
- Beats RTX 3090 atbalanced weights; rival offer held fixed
- $1561
- Strong Value at80+ Relative Value threshold
- $441
B ยท RTX 3090
- Current dataset offer ยท NewUS ยท USD ยท snapshot 2026-08-19
- $1935
- Beats RTX 3080 Ti atbalanced weights; rival offer held fixed
- $1544
- Strong Value at80+ Relative Value threshold
- $547
Capability indexes, side by side
Price is intentionally excluded here so the more capable product and the better-value product cannot be confused.
950
950
1050
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 ยท RTX 3080 Ti
- Representative offer variantEVGA RTX 3080 TI FTW3 ULTRA
- Host interfacePCIe 4.0 x16
- Suggested PSU750 W
- Power connectors3x 8-pin
- Card length300 mm
- Expansion slots3-slot
- Coolingair
- Display outputs1ร HDMI ยท 3ร DisplayPort
- Warranty (typical new)36 mo
B ยท RTX 3090
- Representative offer variantNVIDIA GeForce RTX 3090 Founders Edition
- Host interfacePCIe 4.0 x16
- Suggested PSU750 W
- Power connectors1x 12-pin
- Card length267 mm
- Expansion slots2-slot
- Coolingair
- Display outputs1ร HDMI ยท 3ร DisplayPort
3-year electricity model
Over 3 years at 4h/day and $0.15/kWh, RTX 3080 Ti (350 W) adds about $115 in modeled electricity and RTX 3090 (350 W) about $115. 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 3080 Ti | RTX 3090 |
|---|---|---|
| Architecture | Ampere | Ampere |
| VRAM | 12 GB | 24 GBโ |
| Memory type | GDDR6X | GDDR6X |
| Memory bus | 384-bit | 384-bit |
| Host interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Boost clock | 1,800 MHz | 1,695 MHz |
| Board power (lower is better) | 350 W | 350 W |
| Suggested PSU (representative offer) | 750 W | 750 W |
| Power connectors (representative offer) | 3x 8-pin | 1x 12-pin |
| Card length (representative offer) | 300 mm | 267 mmโ |
| Warranty (representative offer) | 36 mo | not tracked |
| Current dataset offer ยท New | $1245snapshot 2026-08-19โ | $1935snapshot 2026-08-19 |
Show additional verified specifications
| Specification | RTX 3080 Ti | RTX 3090 |
|---|---|---|
| Process node | 8 nm | 8 nm |
| Base clock | 1,365 MHz | 1,395 MHz |
| Memory data rate | 19 Gbps | 19.5 Gbps |
| Expansion slots (representative offer) | 3-slot | 2-slotโ |
| Cooling fans (representative offer) | 3 | 2 |
| Display outputs (representative offer) | 1ร HDMI ยท 3ร DisplayPort | 1ร HDMI ยท 3ร DisplayPort |
| Cooling type (representative offer) | air | air |
โNot trackedโ 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.
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 ยท RTX 3080 Ti ifโฆ
- Your priorities resemble Balanced, 1080p Budget โ it has higher Relative Value under those presets at the snapshot offers.
- You can find it at or below its Strong Value threshold of $441 under balanced weights.
Choose B ยท RTX 3090 ifโฆ
- You prioritize 1080p Gaming, 1440p Gaming, AI / Local LLM โ it earns the higher capability tier in those tracked scenarios.
- Your priorities resemble 4K Ultra / VR, Ray Tracing (1440p), AI / LLM โ it has higher Relative Value under those presets at the snapshot offers.
- You can find it at or below its Strong Value threshold of $547 under balanced weights.
How to read this comparison
The formula is a weighted geometric ratio. 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 3080 Ti or RTX 3090?
- Under the balanced preset and the 2026-08-19 offer frame, RTX 3080 Ti has higher Relative Value under this configuration (42 vs 36). 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 3090 grades higher in 3 of 7 graded scenarios (4 tied) and is never graded lower.
- At what price does the RTX 3090 become the better value?
- Holding the RTX 3080 Ti offer dated in the 2026-08-19 frame fixed, the calculation flips in favour of the RTX 3090 at roughly $1544 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: 2026-08-19 ยท dataset generated 2026-08-19 ยท formula gpu-value-v1 ยท Value Score is an estimate based on our current dataset, selected weights, market prices and methodology โ not an official product rating or a price forecast. Target prices are calculation thresholds, not predictions. Methodology ยท Report a data error