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The Comparator

RX 7900 GRE vs RTX 3090 — value comparison

RX 7900 GRE shows higher Relative Value under balanced weights at the current dataset offers: 57 vs 37. The result crosses over if RTX 3090 reaches about $1024 or below.
Price data · US · USD · New · A 2026-09-11 · B 2026-09-11Coverage · 10 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
CapabilityRTX 3090 (2 of 6 scenarios)
Better value todayRX 7900 GRE — 20 more Value points under this configuration
Cheaper right nowRX 7900 GRE (by $840)

Capability by task

Capability by task: RX 7900 GRE versus RTX 3090
ScenarioRX 7900 GRERTX 3090
1080p GamingS#23S#17
1440p GamingA#22A#17
4K / VRB#22B#17
Ray Tracing @ 2K (1440p)N/AB#14
AI / Local LLMC#35A#10
3D RenderingC#33B#15
Light Use & EfficiencyC#42D#55

RTX 3090 grades higher in 2 scenarios, RX 7900 GRE in 1 (3 tied) — the lead is not across the board, so check the row that matches your use. 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 2026-09-11 offer frame. How tiers are assigned →

Relative Value by priority

Balancedhigher relative value lit
57 ✓
37
1080p Budgethigher relative value lit
43 ✓
23
1440p Sweet Spothigher relative value lit
48 ✓
32
4K Ultra / VRhigher relative value lit
38 ✓
31
Ray Tracing (1440p)higher relative value lit
38 ✓
26
AI / LLMhigher relative value lit
9
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 · RX 7900 GRE

Current dataset offer · NewUS · USD · snapshot 2026-09-11
$1095
Beats RTX 3090 atbalanced weights; rival offer held fixed
$2069
Strong Value at80+ Relative Value threshold
$677

B · RTX 3090

Current dataset offer · NewUS · USD · snapshot 2026-09-11
$1935
Beats RX 7900 GRE atbalanced weights; rival offer held fixed
$1024
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.

05 · 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 1067
1170
Ray tracing 802
929
AI (FP16 tensor) 394
1224
A · RX 7900 GREB · RTX 3090GPU indexes share one 1000-point scale (RTX 4070 = 1000).The Value leader depends on how you weight things: RX 7900 GRE leads under 5 presets, RTX 3090 under 1.
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 · RX 7900 GRE

  • Representative offer variantPowerColor Hellhound RX 7900 GRE
  • Host interfacePCIe 4.0 x16
  • Suggested PSU600 W
  • Power connectors2x 8-pin
  • Card length322 mm
  • Expansion slots2-slot
  • Coolingair
  • Display outputs1× HDMI · 3× DisplayPort
  • Warranty (typical new)24 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, RX 7900 GRE (260 W) adds about $85 in modeled electricity and RTX 3090 (350 W) about $115. The modeled difference is roughly $30. 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.

Key specifications: RX 7900 GRE versus RTX 3090
SpecificationRX 7900 GRERTX 3090
ArchitectureRDNA 3.0Ampere
VRAM16 GB24 GB
Memory typeGDDR6GDDR6X
Memory bus256-bit384-bit
Host interfacePCIe 4.0 x16PCIe 4.0 x16
Boost clock2,366 MHz1,695 MHz
Board power (lower is better)260 W350 W
Suggested PSU (representative offer)600 W750 W
Power connectors (representative offer)2x 8-pin1x 12-pin
Card length (representative offer)322 mm267 mm
Warranty (representative offer)24 monot tracked
Current dataset offer · New$1095snapshot 2026-09-11$1935snapshot 2026-09-11
Show additional verified specifications
Additional verified specifications: RX 7900 GRE versus RTX 3090
SpecificationRX 7900 GRERTX 3090
Process node5 nm8 nm
Base clock1,555 MHz1,395 MHz
Memory data rate18 Gbps19.5 Gbps
Expansion slots (representative offer)2-slot2-slot
Cooling fans (representative offer)32
Display outputs (representative offer)1× HDMI · 3× DisplayPort1× HDMI · 3× DisplayPort
Cooling type (representative offer)airair

“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 $305 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 · RX 7900 GRE if…

  • You prioritize Light Use & Efficiency — 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.
  • Lower rated power matters: 260 W versus 350 W for RTX 3090.
  • You can find it at or below its Strong Value threshold of $677 under balanced weights.
Full RX 7900 GRE analysis →

Choose B · RTX 3090 if…

  • You prioritize AI / Local LLM, 3D Rendering — 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.
Full RTX 3090 analysis →
11 · Methodology & FAQ

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.

Read the methodology →
Which is better value right now: RX 7900 GRE or RTX 3090?
Under the balanced preset and the 2026-09-11 offer frame, RX 7900 GRE has higher Relative Value under this configuration (57 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 2 scenarios, RX 7900 GRE in 1 (3 tied) — the lead is not across the board, so check the row that matches your use. 1 scenario can't be graded for one of them (shown as N/A).
At what price does the RTX 3090 become the better value?
Holding the RX 7900 GRE offer dated in the 2026-09-11 frame fixed, the calculation flips in favour of the RTX 3090 at roughly $1024 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: 2026-09-11 · 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