AMD Radeon RX 6600M 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 RX 6600M is the better pick — it scores 49/100 to the Nvidia GeForce GTX 1660's 43, leading on Core Specifications and Memory. Choose the Nvidia GeForce GTX 1660 instead if api support and miscellaneous matter most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

AMD Radeon RX 6600M leads overall

AMD Radeon RX 6600M

Nvidia GeForce GTX 1660

Why it stands out

Theoretical Performance Performance (FP16): 17.55 TFLOPS (75% more)
Theoretical Performance Performance (FP32): 7.8 TFLOPS (55% more)
Memory Technology: GDDR6

Winner by category for AMD Radeon RX 6600M vs Nvidia GeForce GTX 1660
Category	AMD Radeon RX 6600M	Nvidia GeForce GTX 1660	Winner
Core Specifications	65	35	AMD Radeon RX 6600M
Memory	58	40	AMD Radeon RX 6600M
API Support	48	52	Nvidia GeForce GTX 1660
Theoretical Performance	54	37	AMD Radeon RX 6600M
Benchmark	46	35	AMD Radeon RX 6600M
Miscellaneous	32	87	Nvidia GeForce GTX 1660

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.

AMD Radeon RX 6600M

The AMD Radeon RX 6600M is a mobile graphics processor designed to bring mid-range performance to gaming laptops. It serves as a direct competitor to NVIDIA's GeForce RTX 3060 Laptop GPU, aiming to offer a high-value alternative for budget-conscious gamers.

Best for Mid-range laptop gaming where cost-to-performance ratio is a primary concernBest for Gamers seeking a viable non-NVIDIA alternative in the portable gaming segment

Pros

Positions itself as a highly competitive value alternative to mainstream NVIDIA laptop GPUs
Designed to deliver capable gaming performance in mid-range notebooks

Cons

Faces tough market competition from the widely available GeForce RTX 3060 laptop ecosystem

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 RX 6600M

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Nvidia GeForce GTX 1660

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Performance

Higher benchmark score = faster

AMD Radeon RX 6600M13,764

Nvidia GeForce GTX 166011,608

See the raw benchmark values →

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

Core Specifications

Feature	AMD Radeon RX 6600M	Nvidia GeForce GTX 1660
Base Frequency	2.359 GHz	1.53 GHz
Base Power	N/A	N/A
Maximum Frequency	2.655 GHz	1.785 GHz
Maximum Power	100 W	120 W20% more
Lithography Process	7 nm42% less	12 nm

Memory

Feature	AMD Radeon RX 6600M	Nvidia GeForce GTX 1660
Capacity	8 GB33% more	6 GB
Technology
Bus Width	128 bit	192 bit
Bandwidth	224 GB/s17% more	192 GB/s
Is Shared	No	No

API Support

Feature	AMD Radeon RX 6600M	Nvidia GeForce GTX 1660
DirectX Version	12	12
OpenGL Version	4.6	4.6
Vulkan Version	1.3	1.48% more
OpenCL Version	2.1	3

Theoretical Performance

Feature	AMD Radeon RX 6600M	Nvidia GeForce GTX 1660
Pixel Rate	139.3 GP/s	85.68 GP/s
Texture Rate	274.2 GT/s	157.1 GT/s
Performance (FP16)	17.55 TFLOPS75% more	10.05 TFLOPS
Performance (FP32)	7.8 TFLOPS55% more	5.03 TFLOPS
Performance (FP64)	487.5 GFLOPS	157.2 GFLOPS

Benchmark

Feature	AMD Radeon RX 6600M	Nvidia GeForce GTX 1660
G3D Mark	13,76419% more	11,608

Miscellaneous

Feature	AMD Radeon RX 6600M	Nvidia GeForce GTX 1660
Release Date	May 31, 2021	March 14, 2019
Platform

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about AMD Radeon RX 6600M vs Nvidia GeForce GTX 1660 comparison

Based on our overall comparison score, AMD Radeon RX 6600M rates higher at 48/100 versus 45/100 for Nvidia GeForce GTX 1660 — a 3-point lead. AMD Radeon RX 6600M 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 RX 6600M 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 RX 6600M and 45/100 for Nvidia GeForce GTX 1660.

If you want the higher-rated gpus option overall, AMD Radeon RX 6600M (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.