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ASUS ROG Strix GeForce RTX 4090 — Ada · 24 GB GDDR6X · 450 W · ROG Strix
ASUS

ASUS ROG Strix GeForce RTX 4090

Ada · 24 GB GDDR6X · 450 W · ROG Strix

97
/ 100
From $1,776
VS
ASUS ROG Strix GeForce RTX 5090 wins by 1
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, ASUS ROG Strix GeForce RTX 4090 lands at 97 and ASUS ROG Strix GeForce RTX 5090 at 98. That puts ASUS ROG Strix GeForce RTX 5090 ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.

Pick ASUS ROG Strix GeForce RTX 4090 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

Tie

Traditional rendering throughput at high resolution

Effectively tied — neither pulls a 2-point weighted lead.

Ray tracing

Tie

RT-heavy titles with path-traced lighting

Effectively tied — neither pulls a 2-point weighted lead.

AI workloads

Tie

Local inference, upscaling, generative tools

Effectively tied — neither pulls a 2-point weighted lead.

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 73).

Value for money

ASUS ROG Strix GeForce RTX 4090

Specdex score per dollar at MSRP

ASUS ROG Strix GeForce RTX 4090 more score per dollar ($1,776 vs $2,208).

ASUS ROG Strix GeForce RTX 4090 97
vs
98 ASUS ROG Strix GeForce RTX 5090

Score breakdown

ASUS ROG Strix GeForce RTX 4090
97
raster 97
rt 92
ai 94
efficiency 73
ASUS ROG Strix GeForce RTX 5090
98
raster 98
rt 93
ai 95
efficiency 75

Specs side-by-side

ASUS ROG Strix GeForce RTX 4090 versus ASUS ROG Strix GeForce RTX 5090 — full spec comparison
Spec ASUS ROG Strix GeForce RTX 4090 ASUS ROG Strix GeForce RTX 5090
Architecture
Ada
Blackwell
VRAM
24 GB GDDR6X
▲ 32 GB GDDR7
TBP
450 W
575 W
Release year
2022
2025

ASUS ROG Strix GeForce RTX 4090

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: ASUS ROG Strix GeForce RTX 4090 vs ASUS ROG Strix GeForce RTX 5090

Which is better, ASUS ROG Strix GeForce RTX 4090 or ASUS ROG Strix GeForce RTX 5090? +

ASUS ROG Strix GeForce RTX 5090 scores 98 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.

Is ASUS ROG Strix GeForce RTX 4090 worth the price? +

At $1,776, ASUS ROG Strix GeForce RTX 4090 delivers a Specdex score of 97 — 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 ASUS ROG Strix GeForce RTX 4090 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 power efficiency, ASUS ROG Strix GeForce RTX 4090 or ASUS ROG Strix GeForce RTX 5090? +

ASUS ROG Strix GeForce RTX 5090 — leads on efficiency (75 vs 73). Frames per watt — heat, noise, and PSU sizing.

Which is the better value, ASUS ROG Strix GeForce RTX 4090 or ASUS ROG Strix GeForce RTX 5090? +

ASUS ROG Strix GeForce RTX 4090 — more score per dollar ($1,776 vs $2,208). Specdex score per dollar at MSRP.