ASUS GeForce RTX 3090 ROG Strix 24GB GDDR6X
ZOTAC GeForce RTX 5080 APOCALYPSE 16GB GDDR7 White
Pick the ASUS ROG Strix RTX 3090 if you need 24GB of VRAM for large AI workloads or 3D rendering on a budget, and you're willing to gamble on a used or refurbished unit actually working.
The Zotac Apocalypse is the obvious choice for gamers and creators who want top-tier 1440p and 4K performance with excellent cooling, quiet fans, and none of the reliability headaches that plague used 3090s.
Key Differences
- The Zotac is on a newer 5nm process vs the 3090's 8nm, which is why it hits 2730 MHz boost clock compared to the 3090's 1890 MHz, and pulls 56.28 FP32 TFLOPS vs 35.58.
- The 3090 has 24GB of GDDR6X on a 384-bit bus, while the Zotac makes do with 16GB of faster GDDR7 on a 256-bit bus, so the Zotac actually wins on bandwidth at 960 GB/s vs 936.2 GB/s.
- Customer sentiment tells a stark story: the Zotac scores 95/100 with owners praising its cooling and quiet operation, while the 3090 sits at 62/100 with verified buyers reporting dead refurbished units, loud fans, and black screen issues.
- For 4K gaming, the Zotac scores 95 vs the 3090's 74, and at 1440p it's 96 vs 71, so the newer card isn't just faster on paper, it's a completely different tier of real-world performance.
- The 3090's only real edge is VRAM capacity, which matters for AI training and heavy 3D work, but the Zotac still beats it in workstation and content creation scores (80 vs 69 and 93 vs 71) thanks to the newer architecture.
What Buyers Say
ASUS GeForce RTX 3090 ROG Strix 24GB GDDR6X
The RTX 3090 received mixed feedback primarily focused on performance and refurbishment quality. Many users praised its exceptional gaming performance, especially at 1080p, delivering high frame rates in demanding titles. However, several verified buyers reported significant issues with refurbished units, including non-functional cards, lower-than-expected performance, fan noise, and visible damage on the PCIe connector. Power draw and black screen issues were also mentioned, though some users reported no problems and would buy again. Overall, the card performs well when working correctly, but refurbished units carry substantial risk.
Pros
- Exceptional 1080p gaming performance
- High frame rates in AAA titles
- Good for AI workloads
- Massive improvement over older GPUs
- Plays anything at max graphics
Cons
- High failure rate of refurbished units
- Loud fan noise at idle
- Visible PCIe connector damage
- Black screen issues under load
- High power draw up to 300W under gaming
ZOTAC GeForce RTX 5080 APOCALYPSE 16GB GDDR7 White
The Zotac Amp Extreme Infinity RTX 5080 is overwhelmingly praised for its excellent cooling performance, quiet operation, and striking appearance. Users consistently highlight it as one of the best-looking 5080 cards on the market, with effective cooling that keeps temperatures below 70°C even under heavy load. Many note the generous overclocking headroom, smooth performance at both 1440p and 4K, and the useful anti-sag bracket. A few minor concerns include the prominent LED cable placement near the front, but overall sentiment is exceptionally positive.
Pros
- Excellent cooling performance
- Quiet operation even under load
- Striking design and RGB lighting
- Strong overclocking potential
- Smooth 1440p and 4K gaming
Cons
- LED cable placement noticeable at front
- Large size may require full tower case
- Some users mention coil whine possibility
Scores
Specifications
| ASUS GeForce RTX 3090 ROG Strix | ZOTAC GeForce RTX 5080 APOCALYPSE | |
|---|---|---|
| Chipset | ||
| GPU Chipset | GeForce RTX 3090 | GeForce RTX 5080 |
| Brand | NVIDIA | NVIDIA |
| Architecture | Ampere | Blackwell |
| Class | consumer | consumer |
| Process | 8 | 5★ |
| Memory | ||
| VRAM | 24 GB★ | 16 GB |
| Memory Type | GDDR6X | GDDR7★ |
| Memory Bus | ||
| Bandwidth | ||
| Compute | ||
| CUDA Cores | ||
| Tensor Cores | ||
| RT Cores | 82 | 84★ |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | 35.58000183105469 | 56.279998779296875★ |
| FP32 TFLOPS | 35.58000183105469 | 56.279998779296875★ |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | ||
| Power & Cooling | ||
| TDP | 350★ | 360 |
| Recommended PSU | 850 | 850 |
| Power Connectors | 3 x 8-Pin | 1 x 16-Pin |
| Cooler | Triple Fan | Triple Fan |
| Fans | 3 | 3 |
| Connectivity | ||
| Interface | PCIe 4.0 x16 | PCI Express 5.0 x16 |
| DisplayPort | 3 | 3 |
| HDMI | 2★ | 1 |
| Max Displays | 4 | 4 |
| Max Resolution | 7680 x 4320 | 7680 x 4320 |
| Physical | ||
| Length | 319★ | 369 |
| Slot Width | 2.9000000953674316★ | 3.5 |
| Form Factor | — | ATX |
| Weight | 1.80 kg★ | 3.22 kg |
| Features | ||
| Ray Tracing | ✓ | ✓ |
| Upscaling | DLSS | DLSS 4 |
| AV1 Encode | — | ✓★ |
| VR Ready | ✓ | ✓ |
| DirectX | 12 | 12 Ultimate |
| RGB | — | ✓★ |
Pros & Cons
ASUS GeForce RTX 3090 ROG Strix 24GB GDDR6X
- Strong vram (94th percentile)94th %ile
- Strong ai (94th percentile)94th %ile
- Strong compute (83rd percentile)83rd %ile
- Strong rt (80th percentile)80th %ile
- Below average affordability (8th percentile)8th %ile
- Below average user sentiment (11th percentile)11th %ile
- Below average efficiency (32nd percentile)
ZOTAC GeForce RTX 5080 APOCALYPSE 16GB GDDR7 White
- Strong user sentiment (100th percentile)100th %ile
- Strong social proof (99th percentile)99th %ile
- Strong rt (98th percentile)98th %ile
- Strong feature (96th percentile)96th %ile
- Below average affordability (20th percentile)20th %ile
Verdict
Scores 97 overall, wins 7 of 8 usage categories and 14 of 38 specs.