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GeForce RTX 3090 — Ampere · 24 GB GDDR6X · 350 W
NVIDIA

GeForce RTX 3090

Ampere · 24 GB GDDR6X · 350 W

87
/ 100
From $1,499
VS
ASUS ROG Strix GeForce RTX 4080 wins by 5
ASUS ROG Strix GeForce RTX 4080 — Ada · 16 GB GDDR6X · 320 W · ROG Strix
ASUS

ASUS ROG Strix GeForce RTX 4080

Ada · 16 GB GDDR6X · 320 W · ROG Strix

92
/ 100
From $1,344
Specdex verdict

ASUS ROG Strix GeForce RTX 4080 takes it — here’s why.

In our weighted Specdex score, GeForce RTX 3090 lands at 87 and ASUS ROG Strix GeForce RTX 4080 at 92. That puts ASUS ROG Strix GeForce RTX 4080 ahead by 5 points — a decisive margin driven mostly by its strengths in the categories below.

Pick GeForce RTX 3090 if…

  • ✓NVIDIA driver stack
  • ✓DLSS support on RTX
  • ✓Strong resale value

Pick ASUS ROG Strix GeForce RTX 4080 if…

  • ✓NVIDIA driver stack
  • ✓DLSS support on RTX
  • ✓Strong resale value
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

4K & rasterization

ASUS ROG Strix GeForce RTX 4080

Traditional rendering throughput at high resolution

ASUS ROG Strix GeForce RTX 4080 leads on raster (92 vs 87).

Ray tracing

ASUS ROG Strix GeForce RTX 4080

RT-heavy titles with path-traced lighting

ASUS ROG Strix GeForce RTX 4080 leads on rt (87 vs 82).

AI workloads

ASUS ROG Strix GeForce RTX 4080

Local inference, upscaling, generative tools

ASUS ROG Strix GeForce RTX 4080 leads on ai (89 vs 84).

Power efficiency

ASUS ROG Strix GeForce RTX 4080

Frames per watt — heat, noise, and PSU sizing

ASUS ROG Strix GeForce RTX 4080 leads on efficiency (73 vs 71).

Value for money

ASUS ROG Strix GeForce RTX 4080

Specdex score per dollar at MSRP

ASUS ROG Strix GeForce RTX 4080 more score per dollar ($1,344 vs $1,499).

GeForce RTX 3090 87
vs
92 ASUS ROG Strix GeForce RTX 4080

Score breakdown

GeForce RTX 3090
87
raster 87
rt 82
ai 84
efficiency 71
ASUS ROG Strix GeForce RTX 4080
92
raster 92
rt 87
ai 89
efficiency 73

Specs side-by-side

GeForce RTX 3090 versus ASUS ROG Strix GeForce RTX 4080 — full spec comparison
Spec GeForce RTX 3090 ASUS ROG Strix GeForce RTX 4080
Architecture
Ampere
Ada
VRAM
▲ 24 GB GDDR6X
16 GB GDDR6X
TBP
350 W
320 W
Release year
2020
2022

GeForce RTX 3090

Pros
  • +NVIDIA driver stack
  • +DLSS support on RTX
  • +Strong resale value
Cons
  • −Power draw scales with tier
  • −Gen-over-gen price creep
  • −VRAM gated per tier

ASUS ROG Strix GeForce RTX 4080

Pros
  • +NVIDIA driver stack
  • +DLSS support on RTX
  • +Strong resale value
Cons
  • −Power draw scales with tier
  • −Gen-over-gen price creep
  • −VRAM gated per tier

FAQ: GeForce RTX 3090 vs ASUS ROG Strix GeForce RTX 4080

Which is better, GeForce RTX 3090 or ASUS ROG Strix GeForce RTX 4080? +

ASUS ROG Strix GeForce RTX 4080 scores 92 on our weighted rubric — ahead by 5. Your best pick depends on the sub-scores above.

Is GeForce RTX 3090 worth the price? +

At $1,499, GeForce RTX 3090 delivers a Specdex score of 87 — strongest in raster.

Is ASUS ROG Strix GeForce RTX 4080 worth the price? +

At $1,344, ASUS ROG Strix GeForce RTX 4080 delivers a Specdex score of 92 — strongest in raster.

Does GeForce RTX 3090 or ASUS ROG Strix GeForce RTX 4080 last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for 4K gaming, GeForce RTX 3090 or ASUS ROG Strix GeForce RTX 4080? +

ASUS ROG Strix GeForce RTX 4080 — leads on raster (92 vs 87). Traditional rendering throughput at high resolution.

Which is better for ray tracing, GeForce RTX 3090 or ASUS ROG Strix GeForce RTX 4080? +

ASUS ROG Strix GeForce RTX 4080 — leads on rt (87 vs 82). RT-heavy titles with path-traced lighting.