Based on our overall comparison score, AMD Radeon Pro Vega 56 rates higher at 48/100 versus 45/100 for Nvidia GeForce GTX 1660 — a 3-point lead. AMD Radeon Pro Vega 56 is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
AMD Radeon Pro Vega 56 vs Nvidia GeForce GTX 1660
Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score
For most buyers the AMD Radeon Pro Vega 56 is the better pick — it scores 50/100 to the Nvidia GeForce GTX 1660's 46, leading on Memory and Theoretical Performance. Choose the Nvidia GeForce GTX 1660 instead if core specifications matters most to you, where it comes out ahead.
Verdict
Our overall take, at a glance
Key takeaways
- AMD Radeon Pro Vega 56 and Nvidia GeForce GTX 1660 are closely matched overall (within 4 points).
- AMD Radeon Pro Vega 56 stands out on Memory Bandwidth: 402.4 GB/s (110% more), Theoretical Performance Performance (FP16): 17.92 TFLOPS (78% more), Theoretical Performance Performance (FP32): 8.96 TFLOPS (78% more).
- Nvidia GeForce GTX 1660 counters with Core Specifications Lithography Process: 12 nm (14% less), API Support Vulkan Version: 1.4 (8% more).
AMD Radeon Pro Vega 56 and Nvidia GeForce GTX 1660 are closely matched
AMD Radeon Pro Vega 56
50
Nvidia GeForce GTX 1660
46
Where AMD Radeon Pro Vega 56 stands out
- Memory Bandwidth: 402.4 GB/s (110% more)
- Theoretical Performance Performance (FP16): 17.92 TFLOPS (78% more)
- Theoretical Performance Performance (FP32): 8.96 TFLOPS (78% more)
Where Nvidia GeForce GTX 1660 stands out
- Core Specifications Lithography Process: 12 nm (14% less)
- API Support Vulkan Version: 1.4 (8% more)
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.
AMD Radeon Pro Vega 56
The AMD Radeon Pro Vega 56 is a discrete graphics card utilizing the advanced Vega architecture. Designed with support for high-bandwidth memory and modern compute features, it targets professional users and enthusiasts who require significant processing power. Its architecture positions it as a high-end card capable of substantial computational loads.
Best for Computational tasksBest for Professional visualizationBest for High-end applications
Pros
- Built on the GCN 5th generation architecture for professional versatility (Source 1)
- Features support for modern APIs, including Vulkan 1.3 and OpenGL 4.6 (Source 1)
- Designed with features like high-bandwidth cache and controller to handle large datasets (Source 1)
- The card draws power via a PCIe 3.0 x16 interface (Source 1)
Cons
- The product line has been succeeded by newer graphics generations, indicating it is an older model (Source 1)
- Its core architecture utilized the 14 nm FinFET fabrication process (Source 1)
Nvidia GeForce GTX 1660
The Nvidia GeForce GTX 1660 is a mid-range desktop graphics card introduced in 2019, powered by Nvidia's TU116 graphics processor. Built on TSMC's 12nm Turing microarchitecture, it includes efficiency improvements like concurrent integer and floating-point execution. Designed for budget-conscious gamers, it delivers mid-tier desktop performance while omitting dedicated AI and ray-tracing hardware.
Best for Budget 1080p desktop gaming builds that do not prioritize real-time ray tracingBest for Upgrading older desktop systems to support modern DirectX 12 and Vulkan APIs
Pros
- Utilizes Turing microarchitecture improvements such as concurrent integer and floating-point processing
- Supports modern graphics APIs including DirectX 12.0, Vulkan 1.4, and OpenGL 4.6
- Serves as an accessible mid-range option for 1080p desktop gaming
Cons
- Lacks dedicated hardware RT (ray tracing) and Tensor (AI) cores
- The GTX 16 series was officially discontinued in March 2024
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
AMD Radeon Pro Vega 56
Nvidia GeForce GTX 1660
Performance
Higher benchmark score = faster
AMD Radeon Pro Vega 5612,060
Nvidia GeForce GTX 166011,608
Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.
Detailed Specifications
The full spec sheet, side by side
Frequently Asked Questions
Common questions about AMD Radeon Pro Vega 56 vs Nvidia GeForce GTX 1660 comparison
AMD Radeon Pro Vega 56 and Nvidia GeForce GTX 1660 are compared side by side above across every spec in the gpus category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 48/100 for AMD Radeon Pro Vega 56 and 45/100 for Nvidia GeForce GTX 1660.
If you want the higher-rated gpus option overall, AMD Radeon Pro Vega 56 (48/100) edges out Nvidia GeForce GTX 1660 (45/100). But if Nvidia GeForce GTX 1660 is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.
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