ASUS ROG Strix GeForce RTX 4090 vs ASUS ROG Astral GeForce RTX 5080 16GB GDDR7
Value Comparison
How they compare across key dimensions
ASUS ROG Astral GeForce RTX 5080 16GB GDDR7 is stronger at
Gaming, Value
Very close
Performance, Thermals, Efficiency, Build
By how much
Pros & Cons
ASUS ROG Strix GeForce RTX 4090
Pros
- Strong fit for 4K gaming, AI workloads
- Clear published specification target: 24GB GDDR6X
- Cross-checked against respected GPU specification and benchmark references
- Easy to compare against same-category alternatives by price, role, and build constraints
- Useful for buyers who want a practical recommendation rather than a single synthetic score
- Amazon search link makes it easier to compare current sellers and variants before checkout
Cons
- Exact performance and acoustics vary by workload, firmware, drivers, cooling, and case airflow
- Compatibility depends on the rest of the build and should be checked before purchase
- Pricing, bundles, and seller availability can change quickly on Amazon
- The best value can shift when nearby alternatives go on sale
- Requires checking case clearance, PSU transient capacity, connector routing, and heat dumped into the chassis
ASUS ROG Astral GeForce RTX 5080 16GB GDDR7
Pros
- Strong fit for premium 4K gaming, overclocking
- Clear published specification target: 16GB GDDR7
- Cross-checked against respected GPU specification and benchmark references
- Easy to compare against same-category alternatives by price, role, and build constraints
- Useful for buyers who want a practical recommendation rather than a single synthetic score
- Amazon search link makes it easier to compare current sellers and variants before checkout
Cons
- Exact performance and acoustics vary by workload, firmware, drivers, cooling, and case airflow
- Compatibility depends on the rest of the build and should be checked before purchase
- Pricing, bundles, and seller availability can change quickly on Amazon
- The best value can shift when nearby alternatives go on sale
- Requires checking case clearance, PSU transient capacity, connector routing, and heat dumped into the chassis
Specs
ASUS ROG Strix GeForce RTX 4090
- Price
- ~$1799.99
- Rating
- 4.866735637139352 / 5.0
- Key Features
- NVIDIA Ada Lovelace Streaming Multiprocessors: Up to 2x performance and power efficiency
- 4th Generation Tensor Cores: Up to 2X AI performance
- 3rd Generation RT Cores: Up to 2X ray tracing performance
- Axial-tech fans scaled up for 23% more airflow
- New patented vapor chamber with milled heatspreader for lower GPU temps
- GPU
- RTX 4090
- VRAM
- 24GB GDDR6X
- Category
- GPUs
- Primary Fit
- 4K gaming, AI workloads
- Key Specs
- 24GB GDDR6X
- Build Note
- Check PSU requirements and case clearance before buying.
- Height
- 2.8 inches
- Width
- 5.9 inches
- Length
- 14.1 inches
- Weight
- 8.05 pounds
- Color
- ROG-STRIX-RTX4090-O24G-GAMING
- Model Number
- ROG-STRIX-RTX4090-O24G-GAMING
- Warranty
- 3 years
ASUS ROG Astral GeForce RTX 5080 16GB GDDR7
- Price
- ~$1349.99
- Rating
- 4.613501620470341 / 5.0
- Key Features
- Powered by the NVIDIA Blackwell architecture and DLSS 4
- Quad-fan design boosts air flow and pressure by up to 20%
- Patented vapor chamber with milled heatspreader for lower GPU temperatures
- Phase-change GPU thermal pad ensures optimal heat transfer, lowering GPU temperatures for enhanced performance and reliability
- 3.8-slot design: massive heatsink and fin array optimized for airflow from the four Axial-tech fans
- GPU
- 16GB GDDR7
- VRAM
- 16GB GDDR7
- Category
- GPUs
- Primary Fit
- premium 4K gaming, overclocking
- Key Specs
- 16GB GDDR7
- Build Note
- Check PSU requirements and case clearance before buying.
- Height
- 3 inches
- Width
- 5.9 inches
- Length
- 14.1 inches
- Weight
- 5.00 Pounds
- Color
- BLACK
- Model Number
- ROG-ASTRAL-RTX5080-O16G-GAMING
- Warranty
- 3 years
| Feature | ASUS ROG Strix GeForce RTX 4090 | ASUS ROG Astral GeForce RTX 5080 16GB GDDR7 |
|---|---|---|
| Price | ~$1799.99 | ~$1349.99 |
| Rating | 4.866735637139352 / 5.0 | 4.613501620470341 / 5.0 |
| Key Features |
|
|
| Detailed Specifications | ||
| GPU | RTX 4090 | 16GB GDDR7 |
| VRAM | 24GB GDDR6X | 16GB GDDR7 |
| Category | GPUs | GPUs |
| Primary Fit | 4K gaming, AI workloads | premium 4K gaming, overclocking |
| Key Specs | 24GB GDDR6X | 16GB GDDR7 |
| Build Note | Check PSU requirements and case clearance before buying. | Check PSU requirements and case clearance before buying. |
| Height | 2.8 inches | 3 inches |
| Width | 5.9 inches | 5.9 inches |
| Length | 14.1 inches | 14.1 inches |
| Weight | 8.05 pounds | 5.00 Pounds |
| Color | ROG-STRIX-RTX4090-O24G-GAMING | BLACK |
| Model Number | ROG-STRIX-RTX4090-O24G-GAMING | ROG-ASTRAL-RTX5080-O16G-GAMING |
| Warranty | 3 years | 3 years |
Recommendations
Quick TakeChoosing between the ASUS ROG Strix GeForce RTX 4090 and the ASUS ROG Astral GeForce RTX 5080 16GB GDDR7 comes down to workload, compatibility, thermals, power needs, and price. We compare them using manufacturer specifications, independent benchmark context, power data, and verified-owner thermal feedback, not guaranteed-performance claims.▾
Who Should Pick the ASUS ROG Strix GeForce RTX 4090?The ASUS ROG Strix GeForce RTX 4090 is the better starting point if you want NVIDIA Ada Lovelace Streaming Multiprocessors: Up to 2x performance and power efficiency, 4th Generation Tensor Cores: Up to 2X AI performance, 3rd Generation RT Cores: Up to 2X ray tracing performance, Axial-tech fans scaled up for 23% more airflow. Its clearest advantage is Strong fit for 4K gaming, AI workloads.▾
Who Should Pick the ASUS ROG Astral GeForce RTX 5080 16GB GDDR7?The ASUS ROG Astral GeForce RTX 5080 16GB GDDR7 makes more sense if its priorities fit your current build: Powered by the NVIDIA Blackwell architecture and DLSS 4, Quad-fan design boosts air flow and pressure by up to 20%, Patented vapor chamber with milled heatspreader for lower GPU temperatures, Phase-change GPU thermal pad ensures optimal heat transfer, lowering GPU temperatures for enhanced performance and reliability. Its best case is Strong fit for premium 4K gaming, overclocking.▾
Specification Fit and Build UseFor gpus, specification fit matters more than hype. The ASUS ROG Strix GeForce RTX 4090 leans on 4th Generation Tensor Cores: Up to 2X AI performance, while the ASUS ROG Astral GeForce RTX 5080 16GB GDDR7 leans on Quad-fan design boosts air flow and pressure by up to 20%.▾
Value AnalysisThe ASUS ROG Astral GeForce RTX 5080 16GB GDDR7 is the lower-cost pick at $1349.99, saving about $450.00 versus the ASUS ROG Strix GeForce RTX 4090. That matters when you are balancing a full parts list.▾
VerdictPick the ASUS ROG Strix GeForce RTX 4090 if you want the stronger research score and its specification profile fits your build. Pick the ASUS ROG Astral GeForce RTX 5080 16GB GDDR7 if budget matters more and it still satisfies your compatibility checklist.▾
Frequently asked questions
Is the ASUS ROG Strix GeForce RTX 4090 better than the ASUS ROG Astral GeForce RTX 5080 16GB GDDR7?▾
Both are excellent picks in the GPUs category. Based on user ratings, the ASUS ROG Strix GeForce RTX 4090 narrowly edges ahead with a 4.866735637139352/5 score. Your best choice depends on which features matter most to you.
Which is cheaper, the ASUS ROG Strix GeForce RTX 4090 or the ASUS ROG Astral GeForce RTX 5080 16GB GDDR7?▾
The ASUS ROG Astral GeForce RTX 5080 16GB GDDR7 is currently the more affordable option at $1349.99, while the ASUS ROG Strix GeForce RTX 4090 retails for $1799.99.
Where can I buy the ASUS ROG Strix GeForce RTX 4090 or ASUS ROG Astral GeForce RTX 5080 16GB GDDR7?▾
Both products are available on Amazon. Use our affiliate links to check the latest prices and current availability.
Verdict
ASUS ROG Strix GeForce RTX 4090
ASUS ROG Strix GeForce RTX 4090 ASUS ROG Strix GeForce RTX 4090 has the rating edge, while ASUS ROG Astral GeForce RTX 5080 16GB GDDR7 is the lower-cost option. Choose based on whether performance tier, power, platform fit, or savings matters more.
Price
ASUS ROG Astral GeForce RTX 5080 16GB GDDR7: saves $450.00
Top Rated
ASUS ROG Strix GeForce RTX 4090: 4.866735637139352 / 5.0
Category
GPUs
On a tight budget? Go with the ASUS ROG Astral GeForce RTX 5080 16GB GDDR7 (saves $450.00). Want the highest-rated pick? The ASUS ROG Strix GeForce RTX 4090 takes the crown. Both are excellent in the GPUs category — pick based on which features matter most to you.
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