💪 GPU Battle #51 RX 9070 vs RTX 3090 💪
GPU Battle #51 — RX 9070 vs RTX 3090
The RX 9070 is AMD’s 2025 RDNA 4 mid-range card — 16 GB GDDR6, FSR 4, and a $549 MSRP. The RTX 3090 is NVIDIA’s 2020 Ampere flagship — 24 GB GDDR6X, DLSS 2, and the card that once defined 8K gaming. One is new with modern features and a warranty; the other is used, affordable, and still a monster for AI. The comparison is about generational efficiency and features versus raw VRAM and Ampere’s brute force.
Short version: The RX 9070 is faster in raster and RT, far more efficient, and supports FSR 4. The RTX 3090 has 24 GB of VRAM for AI and content creation. For gaming, the 9070 wins. For AI on a budget, the 3090 is compelling.
Specs
The RX 9070 is RDNA 4 on TSMC 4nm — 3,584 stream processors, 16 GB GDDR6 on a 256-bit bus, ~220W TBP, PCIe 5.0. It supports FSR 4, AMD’s AI-based upscaling, and improved RT hardware.
The RTX 3090 is Ampere on Samsung 8nm — 10,496 CUDA cores, 24 GB GDDR6X on a 384-bit bus, 350W TGP, PCIe 4.0. It supports DLSS 2 with no frame generation, and its RT hardware is second-gen.
| Spec | RX 9070 | RTX 3090 |
|---|---|---|
| Architecture | RDNA 4 | Ampere |
| Stream / CUDA | 3,584 | 10,496 |
| VRAM | 16 GB GDDR6 | 24 GB GDDR6X |
| Bus | 256-bit | 384-bit |
| TBP | ~220W | 350W |
| PCIe | 5.0 | 4.0 |
| Upscaling | FSR 4 | DLSS 2 |
| RT hardware | 3rd gen | 2nd gen |
| Launch price | $549 | $1,499 |
The 3090 has three times the CUDA cores and 50% more VRAM. The 9070 is four years newer in architecture and far more efficient.
Rasterization
In raster, the RX 9070 is roughly 15–25% faster than the RTX 3090 at 1440p and 4K. RDNA 4’s architectural improvements and higher IPC give it a real lead, despite having far fewer cores.
The 3090 is still a capable 4K card, but it’s been surpassed. For pure raster, the 9070 wins.
Ray tracing
Ray tracing favors the 9070. RDNA 4’s RT hardware is a generation newer than Ampere’s, and the 9070 leads the 3090 by 20–35% in RT-heavy titles. In path-traced games, the 9070 can run natively at playable framerates while the 3090 needs aggressive upscaling.
For ray tracing, the 9070 is the better card.
VRAM and memory
The 3090 has 24 GB on a 384-bit bus; the 9070 has 16 GB on a 256-bit bus. The 3090’s extra VRAM matters for AI workloads — it can run larger models and hold more data.
For gaming, 16 GB is plenty at 1440p and adequate at 4K. The 3090’s extra VRAM rarely matters in games but is significant for AI and content creation.
For AI on a budget, the 3090 remains one of the best options.
Power and thermals
The 9070 draws ~220W; the 3090 draws 350W. The 9070 is significantly more efficient, runs cooler, and needs a less powerful PSU. For most builds, it’s easier to live with.
The 3090 runs hot and needs good airflow and a quality PSU. It’s a flagship card with flagship power requirements.
Features
The 9070 supports FSR 4, DisplayPort 2.1a, AV1 encoding, and modern APIs. FSR 4 is a major improvement over FSR 3 and closes much of the gap with DLSS.
The 3090 supports DLSS 2 with no frame generation — a significant feature gap. It lacks DisplayPort 2.1 and newer media features.
For features, the 9070 is far ahead.
Price and value
New at $549, the 9070 is a solid value — faster in raster and RT, more efficient, and modern.
Used at $700–900, the 3090 is more expensive and only offers more VRAM in return. For gaming, the 9070 is the better value. For AI, the 3090’s VRAM makes it compelling despite the price.
The verdict
The RX 9070 is the better card for gaming. It’s faster in raster and RT, far more efficient, and supports FSR 4. For 1440p and 4K gaming, it’s the better pick.
The RTX 3090 is the AI value pick. Its 24 GB of VRAM makes it uniquely capable for running large models. For content creation with large datasets, it’s still relevant.
The decision comes down to workload. For gaming, the 9070. For AI on a budget, the 3090.
Short version:
Choose the RX 9070 if you’re gaming, want FSR 4, efficiency, and modern features at a fair price.
Choose the RTX 3090 if you need 24 GB of VRAM for AI or content creation and want maximum VRAM per dollar.
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