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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
VS
ASUS ROG Strix GeForce RTX 4080 wins by 10
Sapphire Nitro+ Radeon RX 6900 XT — RDNA 2 · 16 GB GDDR6 · 300 W · Nitro+
Sapphire

Sapphire Nitro+ Radeon RX 6900 XT

RDNA 2 · 16 GB GDDR6 · 300 W · Nitro+

82
/ 100
From $1,128
Specdex verdict

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

In our weighted Specdex score, ASUS ROG Strix GeForce RTX 4080 lands at 92 and Sapphire Nitro+ Radeon RX 6900 XT at 82. That puts ASUS ROG Strix GeForce RTX 4080 ahead by 10 points — a decisive margin driven mostly by its strengths in the categories below.

Pick ASUS ROG Strix GeForce RTX 4080 if…

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

Pick Sapphire Nitro+ Radeon RX 6900 XT if…

  • ✓More VRAM at price tier
  • ✓FSR support
  • ✓Driver open-source on Linux
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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 82).

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 72).

AI workloads

ASUS ROG Strix GeForce RTX 4080

Local inference, upscaling, generative tools

ASUS ROG Strix GeForce RTX 4080 leads on ai (89 vs 67).

Power efficiency

Sapphire Nitro+ Radeon RX 6900 XT

Frames per watt — heat, noise, and PSU sizing

Sapphire Nitro+ Radeon RX 6900 XT leads on efficiency (76 vs 73).

Value for money

Tie

Specdex score per dollar at MSRP

Effectively tied — similar score-per-dollar at MSRP.

ASUS ROG Strix GeForce RTX 4080 92
vs
82 Sapphire Nitro+ Radeon RX 6900 XT

Score breakdown

ASUS ROG Strix GeForce RTX 4080
92
raster 92
rt 87
ai 89
efficiency 73
Sapphire Nitro+ Radeon RX 6900 XT
82
raster 82
rt 72
ai 67
efficiency 76

Specs side-by-side

ASUS ROG Strix GeForce RTX 4080 versus Sapphire Nitro+ Radeon RX 6900 XT — full spec comparison
Spec ASUS ROG Strix GeForce RTX 4080 Sapphire Nitro+ Radeon RX 6900 XT
Architecture
Ada
RDNA 2
VRAM
16 GB GDDR6X
16 GB GDDR6
TBP
320 W
300 W
Release year
2022
2020

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

Sapphire Nitro+ Radeon RX 6900 XT

Pros
  • +More VRAM at price tier
  • +FSR support
  • +Driver open-source on Linux
Cons
  • −RT trails NVIDIA
  • −AI ecosystem smaller
  • −Driver day-0 bugs

FAQ: ASUS ROG Strix GeForce RTX 4080 vs Sapphire Nitro+ Radeon RX 6900 XT

Which is better, ASUS ROG Strix GeForce RTX 4080 or Sapphire Nitro+ Radeon RX 6900 XT? +

ASUS ROG Strix GeForce RTX 4080 scores 92 on our weighted rubric — ahead by 10. Your best pick depends on the sub-scores above.

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.

Is Sapphire Nitro+ Radeon RX 6900 XT worth the price? +

At $1,128, Sapphire Nitro+ Radeon RX 6900 XT delivers a Specdex score of 82 — strongest in raster.

Does ASUS ROG Strix GeForce RTX 4080 or Sapphire Nitro+ Radeon RX 6900 XT 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, ASUS ROG Strix GeForce RTX 4080 or Sapphire Nitro+ Radeon RX 6900 XT? +

ASUS ROG Strix GeForce RTX 4080 — leads on raster (92 vs 82). Traditional rendering throughput at high resolution.

Which is better for ray tracing, ASUS ROG Strix GeForce RTX 4080 or Sapphire Nitro+ Radeon RX 6900 XT? +

ASUS ROG Strix GeForce RTX 4080 — leads on rt (87 vs 72). RT-heavy titles with path-traced lighting.