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GeForce RTX 3080 — Ampere · 10 GB GDDR6X · 320 W
NVIDIA

GeForce RTX 3080

Ampere · 10 GB GDDR6X · 320 W

85
/ 100
From $699
VS
ASUS ROG Strix GeForce RTX 5090 wins by 13
ASUS ROG Strix GeForce RTX 5090 — Blackwell · 32 GB GDDR7 · 575 W · ROG Strix
ASUS

ASUS ROG Strix GeForce RTX 5090

Blackwell · 32 GB GDDR7 · 575 W · ROG Strix

98
/ 100
From $2,208
Specdex verdict

ASUS ROG Strix GeForce RTX 5090 takes it — here’s why.

In our weighted Specdex score, GeForce RTX 3080 lands at 85 and ASUS ROG Strix GeForce RTX 5090 at 98. That puts ASUS ROG Strix GeForce RTX 5090 ahead by 13 points — a decisive margin driven mostly by its strengths in the categories below.

Pick GeForce RTX 3080 if…

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

Pick ASUS ROG Strix GeForce RTX 5090 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 5090

Traditional rendering throughput at high resolution

ASUS ROG Strix GeForce RTX 5090 leads on raster (98 vs 85).

Ray tracing

ASUS ROG Strix GeForce RTX 5090

RT-heavy titles with path-traced lighting

ASUS ROG Strix GeForce RTX 5090 leads on rt (93 vs 80).

AI workloads

ASUS ROG Strix GeForce RTX 5090

Local inference, upscaling, generative tools

ASUS ROG Strix GeForce RTX 5090 leads on ai (95 vs 82).

Power efficiency

ASUS ROG Strix GeForce RTX 5090

Frames per watt — heat, noise, and PSU sizing

ASUS ROG Strix GeForce RTX 5090 leads on efficiency (75 vs 71).

Value for money

GeForce RTX 3080

Specdex score per dollar at MSRP

GeForce RTX 3080 more score per dollar ($699 vs $2,208).

GeForce RTX 3080 85
vs
98 ASUS ROG Strix GeForce RTX 5090

Score breakdown

GeForce RTX 3080
85
raster 85
rt 80
ai 82
efficiency 71
ASUS ROG Strix GeForce RTX 5090
98
raster 98
rt 93
ai 95
efficiency 75

Specs side-by-side

GeForce RTX 3080 versus ASUS ROG Strix GeForce RTX 5090 — full spec comparison
Spec GeForce RTX 3080 ASUS ROG Strix GeForce RTX 5090
Architecture
Ampere
Blackwell
VRAM
10 GB GDDR6X
▲ 32 GB GDDR7
TBP
320 W
575 W
Release year
2020
2025

GeForce RTX 3080

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 5090

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 3080 vs ASUS ROG Strix GeForce RTX 5090

Which is better, GeForce RTX 3080 or ASUS ROG Strix GeForce RTX 5090? +

ASUS ROG Strix GeForce RTX 5090 scores 98 on our weighted rubric — ahead by 13. Your best pick depends on the sub-scores above.

Is GeForce RTX 3080 worth the price? +

At $699, GeForce RTX 3080 delivers a Specdex score of 85 — strongest in raster.

Is ASUS ROG Strix GeForce RTX 5090 worth the price? +

At $2,208, ASUS ROG Strix GeForce RTX 5090 delivers a Specdex score of 98 — strongest in raster.

Does GeForce RTX 3080 or ASUS ROG Strix GeForce RTX 5090 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 3080 or ASUS ROG Strix GeForce RTX 5090? +

ASUS ROG Strix GeForce RTX 5090 — leads on raster (98 vs 85). Traditional rendering throughput at high resolution.

Which is better for ray tracing, GeForce RTX 3080 or ASUS ROG Strix GeForce RTX 5090? +

ASUS ROG Strix GeForce RTX 5090 — leads on rt (93 vs 80). RT-heavy titles with path-traced lighting.