Relative Value48balanced preset
RTX 3080 Ti vs RTX 3090 — value comparison
See current offers for RTX 3080 Ti
GA102
RTX 3090
Representative tracked offer: NVIDIA GeForce RTX 3090 Founders Edition
24GB VRAMPerf: 1170350W
Relative Value37balanced preset
RTX 3080 Ti shows higher Relative Value under balanced weights at the current dataset offers: 48 vs 37. The result crosses over if RTX 3090 reaches about $1324 or below.
Price data · US · USD · New · A 2026-09-11 · B 2026-09-11Coverage · 12 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 3080 Ti | RTX 3090 |
|---|---|---|
| 1080p Gaming | S#19 | S#17 |
| 1440p Gaming | A#19 | A#17 |
| 4K / VR | B#19 | B#17 |
| Ray Tracing @ 2K (1440p) | B#15 | B#14 |
| AI / Local LLM | B#13 | A#10✓ |
| 3D Rendering | B#13 | B#15 |
| Light Use & Efficiency | D#57 | D#55 |
RTX 3090 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 2026-09-11 offer frame. How tiers are assigned →
Relative Value by priority
Balancedhigher relative value lit
48 ✓
37
1080p Budgethigher relative value lit
35 ✓
23
1440p Sweet Spothigher relative value lit
39 ✓
32
4K Ultra / VRpractically even (≤3 pts)
30
31
Ray Tracing (1440p)higher relative value lit
31 ✓
26
AI / LLMhigher relative value lit
18
24 ✓
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 3080 Ti
- Current dataset offer · NewUS · USD · snapshot 2026-09-11
- $1245
- Beats RTX 3090 atbalanced weights; rival offer held fixed
- $1819
- Strong Value at80+ Relative Value threshold
- $595
B · RTX 3090
- Current dataset offer · NewUS · USD · snapshot 2026-09-11
- $1935
- Beats RTX 3080 Ti atbalanced weights; rival offer held fixed
- $1324
- Strong Value at80+ Relative Value threshold
- $633
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 3080 Ti
New · US · USDAmazon Affiliate
Check on AmazonB · RTX 3090
New · US · USDAmazon Affiliate
Check on Amazon05 · 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
1150
1170
1170
Ray tracing
877
929
929
AI (FP16 tensor)
1170
1224
1224
A · RTX 3080 TiB · RTX 3090GPU indexes share one 1000-point scale (RTX 4070 = 1000).The Value leader depends on how you weight things: RTX 3080 Ti leads under 4 presets, RTX 3090 under 1, 1 practically even.
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 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 outputs1× HDMI · 3× DisplayPort
- Warranty (typical new)36 mo
B · 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 outputs1× HDMI · 3× 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.
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 3080 Ti | RTX 3090 |
|---|---|---|
| Architecture | Ampere | Ampere |
| VRAM | 12 GB | 24 GB✓ |
| 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 mm✓ |
| Warranty (representative offer) | 36 mo | not tracked |
| Current dataset offer · New | $1245snapshot 2026-09-11✓ | $1935snapshot 2026-09-11 |
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-slot✓ |
| Cooling fans (representative offer) | 3 | 2 |
| Display outputs (representative offer) | 1× HDMI · 3× DisplayPort | 1× 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.
Worth considering instead
RX 9070 XT — same S-tier capability for 1080p Gaming, about $455 cheaper · Value 84.
Neither of the two above is the only answer — this one clears the same bar for less. ⇄ Compare all three
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 3080 Ti if…
- 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 $595 under balanced weights.
Choose B · RTX 3090 if…
- You prioritize AI / Local LLM — it earns the higher capability tier in those tracked scenarios.
- Your priorities resemble 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 $633 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 3080 Ti or RTX 3090?
- Under the balanced preset and the 2026-09-11 offer frame, RTX 3080 Ti has higher Relative Value under this configuration (48 vs 37). 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 1 of 7 graded scenarios (6 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 2026-09-11 frame fixed, the calculation flips in favour of the RTX 3090 at roughly $1324 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.
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Offer frame: 2026-09-11 · dataset generated 2026-09-11 · 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