They are closely matched: Nvidia GeForce GTX 1660 Ti scores 48/100 and AMD Radeon RX 6600S scores 46/100 in our overall comparison — within 2 points. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.
Nvidia GeForce GTX 1660 Ti vs AMD Radeon RX 6600S
Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score
The Nvidia GeForce GTX 1660 Ti and AMD Radeon RX 6600S are closely matched at 46 and 46/100. The Nvidia GeForce GTX 1660 Ti edges ahead on Memory and API Support, while the AMD Radeon RX 6600S leads on Core Specifications and Theoretical Performance — pick the one whose strengths match what you'll actually use.
Verdict
Our overall take, at a glance
Key takeaways
- Nvidia GeForce GTX 1660 Ti and AMD Radeon RX 6600S are closely matched overall (within 1 points).
- Nvidia GeForce GTX 1660 Ti stands out on Core Specifications Maximum Power: 120 W (50% more), Memory Capacity: 6 GB (50% more), Miscellaneous Platform: Desktop.
- AMD Radeon RX 6600S counters with Theoretical Performance Performance (FP16): 15.63 TFLOPS (44% more), Theoretical Performance Performance (FP32): 7.81 TFLOPS (44% more), Core Specifications Lithography Process: 7 nm (42% less).
Nvidia GeForce GTX 1660 Ti and AMD Radeon RX 6600S are closely matched
Nvidia GeForce GTX 1660 Ti
46
AMD Radeon RX 6600S
46
Where Nvidia GeForce GTX 1660 Ti stands out
- Core Specifications Maximum Power: 120 W (50% more)
- Memory Capacity: 6 GB (50% more)
- Miscellaneous Platform: Desktop
Where AMD Radeon RX 6600S stands out
- Theoretical Performance Performance (FP16): 15.63 TFLOPS (44% more)
- Theoretical Performance Performance (FP32): 7.81 TFLOPS (44% more)
- Core Specifications Lithography Process: 7 nm (42% less)
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.
Nvidia GeForce GTX 1660 Ti
The Nvidia GeForce GTX 1660 Ti is a mid-range graphics card built on Nvidia's Turing architecture using TSMC's 12 nm FinFET manufacturing process. Powered by the TU116-400-A1 graphics chip, it connects via a PCIe 3.0 x16 interface and delivers solid conventional rendering performance. It was designed for budget-conscious gamers by omitting the dedicated hardware Ray Tracing and Tensor cores present in the higher-tier RTX 20 series.
Best for Budget 1080p gaming builds focused on traditional rasterization performanceBest for Upgrading older system builds limited to PCIe 3.0 motherboard slots
Pros
- Leverages the Turing architecture with concurrent execution of integer and floating-point operations
- Manufactured on a 12 nm FinFET process for reliable mid-range performance
- Supports modern graphics APIs including Direct3D 12.0, Vulkan 1.4, and OpenGL 4.6
Cons
- Lacks dedicated hardware RT (ray tracing) and Tensor (AI) cores present in RTX-branded GPUs
- Uses older PCIe 3.0 bus architecture rather than newer interface standards
- Officially discontinued by Nvidia in March 2024, limiting future product support
AMD Radeon RX 6600S
The AMD Radeon RX 6600S is a dedicated graphics processor designed for mobile platforms, utilizing a 7-nanometer manufacturing process. It comes equipped with 8 GB of dedicated GDDR6 memory on a 192-bit bus, achieving a memory bandwidth of 432 GB/s. With an adjustable power envelope between 50 and 100 watts, it balances thermal efficiency and performance for portable gaming setups.
Best for Mid-range gaming on portable and thin-and-light laptop designsBest for Content creation tasks requiring dedicated VRAM on the go
Pros
- Dedicated 8 GB GDDR6 memory prevents the system from sharing main memory for graphical tasks
- High memory bandwidth of 432 GB/s supported by a wide 192-bit bus
- Flexible power requirements from 50W to 100W allow for integration into thinner laptop form factors
- Up-to-date API support including Vulkan 1.3 and DirectX 12
Cons
- Peak single-precision performance of 7.0 TFLOPS may limit frame rates on demanding modern AAA games at high settings
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.
Nvidia GeForce GTX 1660 Ti
AMD Radeon RX 6600S
Performance
Higher benchmark score = faster
Nvidia GeForce GTX 1660 Ti12,566
AMD Radeon RX 6600S13,569
Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.
Review Videos
Hand-picked expert reviews for each product
Detailed Specifications
The full spec sheet, side by side
Frequently Asked Questions
Common questions about Nvidia GeForce GTX 1660 Ti vs AMD Radeon RX 6600S comparison
Nvidia GeForce GTX 1660 Ti and AMD Radeon RX 6600S 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 Nvidia GeForce GTX 1660 Ti and 46/100 for AMD Radeon RX 6600S.
It's close — Nvidia GeForce GTX 1660 Ti (48/100) and AMD Radeon RX 6600S (46/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.
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