GeForce GTX 1660 Ti vs Radeon RX Vega 56
Performance-wise the Radeon RX Vega 56 is out front, noticeably faster, roughly 9% up on the GeForce GTX 1660 Ti.
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Radeon RX Vega 56 vs GeForce GTX 1660 Ti: In-Depth Breakdown
Performance: Radeon RX Vega 56 vs GeForce GTX 1660 Ti
The Radeon RX Vega 56 is noticeably faster, around 9% ahead of the GeForce GTX 1660 Ti. Both cards sit in the same broad class, well suited to entry-level 1080p.
Power & Efficiency
The GeForce GTX 1660 Ti sips power at 120W next to the Radeon RX Vega 56's 210W, and still leads on performance-per-watt — quieter, cooler, and gentler on your PSU. Its more modern Turing architecture on a TSMC 12nm process is part of why it does more with each watt.
VRAM & Future-Proofing
The Radeon RX Vega 56's 8GB (vs 6GB on the GeForce GTX 1660 Ti) gives it more room for 4K textures and memory-hungry creative or AI workloads.
Generation & Longevity
The GeForce GTX 1660 Ti is roughly 2 years newer than the Radeon RX Vega 56 (Turing vs GCN 5.0 (Vega)), so it generally benefits from a more modern architecture and longer driver-support runway.
Features & Ecosystem
Beyond raw numbers, the GeForce GTX 1660 Ti brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX Vega 56 offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: GeForce GTX 1660 Ti or Radeon RX Vega 56?
The Radeon RX Vega 56 is the faster card by about 9%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.
Frequently Asked Questions
Is the Radeon RX Vega 56 better than the GeForce GTX 1660 Ti?
Which is better for 4K gaming, the GeForce GTX 1660 Ti or the Radeon RX Vega 56?
Does the Radeon RX Vega 56 have enough VRAM advantage to matter?
Which should you buy: GeForce GTX 1660 Ti or Radeon RX Vega 56?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| Architecture | Turing | GCN 5.0 (Vega) |
| Process Node | TSMC 12nm | GloFo 14nm |
| CUDA Cores (CUDA Cores / Stream Processors) | 1,536 | 3,584✓ |
Clock Speeds
| Specification | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| Base Clock | 1,500 MHz✓ | 1,156 MHz |
| Boost Clock | 1,770 MHz✓ | 1,471 MHz |
Memory
| Specification | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| VRAM Capacity | 6 GB | 8 GB✓ |
| Memory Type | GDDR6 | HBM2 |
| Memory Bus | 192-bit | 2048-bit✓ |
| Memory Speed | 12 Gbps✓ | 1.6 Gbps |
| Bandwidth | 288 GB/s | 409.6 GB/s✓ |
Connectivity & Power
| Specification | GeForce GTX 1660 Ti | Radeon RX Vega 56 |
|---|---|---|
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| TDP | 120 W✓ | 210 W |
| Power Connectors | 1x 8-pin | 2x 8-pin |
| Released | Feb 2019 | Aug 2017 |