GeForce RTX 4070 vs GeForce RTX 5080
On raw speed the GeForce RTX 5080 comes out ahead: far and away the quicker card, about 81% ahead of the GeForce RTX 4070. That said, the GeForce RTX 4070 is the smarter buy on value — $859 CAD less for the performance on offer.
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Comparable or lower specs
GeForce RTX 5080 vs GeForce RTX 4070: In-Depth Breakdown
Performance: GeForce RTX 5080 vs GeForce RTX 4070
The GeForce RTX 5080 is dramatically faster, around 81% ahead of the GeForce RTX 4070. That gap is enough to move it up a tier: the GeForce RTX 5080 is comfortable at 4K and high-refresh 1440p, while the GeForce RTX 4070 is better matched to 1440p. The GeForce RTX 5080 packs 10,752 CUDA cores versus 5,888 on the GeForce RTX 4070.
Price & Value
The GeForce RTX 4070 currently lists from $800 CAD, $859 CAD less than the GeForce RTX 5080 at $1,659 CAD. Despite being slower, the GeForce RTX 4070 offers the better performance-per-dollar (~15% better value), so budget-focused buyers should weigh it carefully. The GeForce RTX 4070 still sits about $200 CAD above its $600 CAD MSRP. The GeForce RTX 5080 still sits about $660 CAD above its $999 CAD MSRP.
Power & Efficiency
On power, the GeForce RTX 4070 is the gentler choice at 200W versus 360W. The GeForce RTX 5080 is more efficient per watt because it's faster, but its higher 360W draw means more heat and a bigger PSU. Its more modern Blackwell architecture on a TSMC 4N process is part of why it does more with each watt.
VRAM & Future-Proofing
VRAM favors the GeForce RTX 5080 at 16GB versus 12GB on the GeForce RTX 4070 — that extra 4GB matters most at 4K, with high-res texture packs, and for content-creation/local-AI work. The GeForce RTX 5080's memory is also faster — 960 GB/s versus 504 GB/s (256-bit vs 192-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The GeForce RTX 5080 is roughly 2 years newer than the GeForce RTX 4070 (Blackwell vs Ada Lovelace), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: GeForce RTX 4070 or GeForce RTX 5080?
Choose the GeForce RTX 5080 if you want the most performance and can absorb the higher price. If you're optimizing for value, the GeForce RTX 4070 stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the GeForce RTX 5080 better than the GeForce RTX 4070?
Which is better for 4K gaming, the GeForce RTX 4070 or the GeForce RTX 5080?
Is the GeForce RTX 5080 worth the extra $859 CAD over the GeForce RTX 4070?
Does the GeForce RTX 5080 have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 4070 or GeForce RTX 5080?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4070 | GeForce RTX 5080 |
|---|---|---|
| Architecture | Ada Lovelace | Blackwell |
| Process Node | TSMC N4 | TSMC 4N |
| CUDA Cores (CUDA Cores / CUDA Cores) | 5,888 | 10,752✓ |
| Ray Tracing Cores | 46 | 84✓ |
| Tensor / AI Cores | 184 | 336✓ |
Clock Speeds
| Specification | GeForce RTX 4070 | GeForce RTX 5080 |
|---|---|---|
| Base Clock | 1,920 MHz | 2,295 MHz✓ |
| Boost Clock | 2,475 MHz | 2,617 MHz✓ |
Memory
| Specification | GeForce RTX 4070 | GeForce RTX 5080 |
|---|---|---|
| VRAM Capacity | 12 GB | 16 GB✓ |
| Memory Type | GDDR6X | GDDR7 |
| Memory Bus | 192-bit | 256-bit✓ |
| Memory Speed | 21 Gbps | 30 Gbps✓ |
| Bandwidth | 504 GB/s | 960 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 4070 | GeForce RTX 5080 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| TDP | 200 W✓ | 360 W |
| Power Connectors | 1x 16-pin | 1x 16-pin |
| Released | Apr 2023 | Jan 2025 |
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