Radeon RX 7900 GRE vs Radeon RX 9070 GRE
The Radeon RX 7900 GRE pulls ahead here — clearly quicker, about 13% ahead of the Radeon RX 9070 GRE. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.
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Radeon RX 7900 GRE vs Radeon RX 9070 GRE: In-Depth Breakdown
Performance: Radeon RX 7900 GRE vs Radeon RX 9070 GRE
The Radeon RX 7900 GRE is noticeably faster, around 13% ahead of the Radeon RX 9070 GRE. That gap is enough to move it up a tier: the Radeon RX 7900 GRE is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 9070 GRE is better matched to 1440p. The Radeon RX 7900 GRE packs 5,120 stream processors versus 3,072 on the Radeon RX 9070 GRE.
Price & Value
Pricing has the Radeon RX 7900 GRE at $605 CAD, $155 CAD under the Radeon RX 9070 GRE's $760 CAD. Because it's both faster and competitively priced, the Radeon RX 7900 GRE wins on performance-per-dollar by about 42%. The Radeon RX 9070 GRE still sits about $211 CAD above its $549 CAD MSRP.
Power & Efficiency
Power draw favors the Radeon RX 9070 GRE (220W vs 260W), and it's the more efficient card too, so it's the easy pick if thermals or a smaller PSU matter. Its more modern RDNA 4 architecture on a TSMC N4 process is part of why it does more with each watt.
VRAM & Future-Proofing
The Radeon RX 7900 GRE carries 16GB versus 12GB on the Radeon RX 9070 GRE. The extra 4GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. The Radeon RX 7900 GRE's memory is also faster — 576 GB/s versus 432 GB/s (256-bit vs 192-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 9070 GRE is roughly 2 years newer than the Radeon RX 7900 GRE (RDNA 4 vs RDNA 3), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 7900 GRE or Radeon RX 9070 GRE?
The Radeon RX 7900 GRE is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the Radeon RX 9070 GRE if you find it at a steep discount.
Frequently Asked Questions
Is the Radeon RX 7900 GRE better than the Radeon RX 9070 GRE?
Which is better for 4K gaming, the Radeon RX 7900 GRE or the Radeon RX 9070 GRE?
Is the Radeon RX 9070 GRE worth the extra $155 CAD over the Radeon RX 7900 GRE?
Does the Radeon RX 7900 GRE have enough VRAM advantage to matter?
Which should you buy: Radeon RX 7900 GRE or Radeon RX 9070 GRE?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 7900 GRE | Radeon RX 9070 GRE |
|---|---|---|
| Architecture | RDNA 3 | RDNA 4 |
| Process Node | TSMC N5 | TSMC N4 |
| CUDA Cores (Stream Processors / Stream Processors) | 5,120✓ | 3,072 |
| Ray Tracing Cores | 80✓ | 48 |
| Tensor / AI Cores | 160✓ | 96 |
Clock Speeds
| Specification | Radeon RX 7900 GRE | Radeon RX 9070 GRE |
|---|---|---|
| Base Clock | 1,287 MHz | 1,420 MHz✓ |
| Boost Clock | 2,245 MHz | 2,790 MHz✓ |
Memory
| Specification | Radeon RX 7900 GRE | Radeon RX 9070 GRE |
|---|---|---|
| VRAM Capacity | 16 GB✓ | 12 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit✓ | 192-bit |
| Memory Speed | 18 Gbps | 18 Gbps |
| Bandwidth | 576 GB/s✓ | 432 GB/s |
Connectivity & Power
| Specification | Radeon RX 7900 GRE | Radeon RX 9070 GRE |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| TDP | 260 W | 220 W✓ |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Feb 2024 | Jun 2026 |