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Radeon RX 6600 vs NVIDIA GeForce GTX 1660 Ti — Specs & Performance Compared

Verdict: The Radeon RX 6600 is ahead of the NVIDIA GeForce GTX 1660 Ti on all 5 shared benchmarks on file, by 14% to 41%, including 29% in 3DMark Time Spy (8,155 vs 6,314). On llama2:7b, the NVIDIA GeForce GTX 1660 Ti generates 56.6 tokens/s (per llama.cpp GitHub Discussions #10879) against 50.6 for the Radeon RX 6600 (per knightli.com), best community run on file for each.

Side-by-side GPU comparison of the Radeon RX 6600 and the NVIDIA GeForce GTX 1660 Ti. Released 2021 (Radeon RX 6600), 2019 (NVIDIA GeForce GTX 1660 Ti). MSRP range: $329 · $279. Specs, synthetic benchmarks, AI inference tok/s, and Amazon availability below; each column header links to that part's benchmark page.

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*Price sourced from Amazon.com. Price and availability subject to change.

Where to buy

A listing for each part; the current price and stock are on the retailer's page.

Specs side-by-side

SpecRadeon RX 6600NVIDIA GeForce GTX 1660 Ti
vram gb 86
vram type —GDDR6
tdp w —120
cuda cores —1536

Synthetic benchmarks

Each row says whether a higher or a lower number is better (ranks and times are lower-is-better). Scores come from Notebookcheck, 3DMark, Modders Inc, The FPS Review, Legit Reviews, KitGuru, PCGamesN, Guru3D, topcpu.net, VideoCardz and PassMark; each row links its sources, and where they differ the cell shows their median. Empty cells mean we don't yet have that benchmark on file for the SKU.

BenchmarkRadeon RX 6600NVIDIA GeForce GTX 1660 Ti
3DMark Fire Strike (higher is better)
Source: Notebookcheck, 3DMark		 20,362 points14,413 points
3DMark Fire Strike Extreme Graphics Score (higher is better)
Source: Notebookcheck		 10,870 points—
3DMark Fire Strike Graphics Score (higher is better)
Source: Notebookcheck		 23,366 points—
3DMark Fire Strike Ultra (higher is better)
Source: Modders Inc		 —3,368 points
3DMark Port Royal (higher is better)
Source: 3DMark		 3,928 points—
3DMark Speed Way (higher is better)
Source: 3DMark		 1,548 points—
3DMark Steel Nomad (higher is better)
Source: 3DMark		 1,487 points1,306 points
3DMark Time Spy (higher is better)
Source: The FPS Review, Legit Reviews, KitGuru, PCGamesN, Notebookcheck, Guru3D, topcpu.net, VideoCardz		 8,155 points6,314 points
3DMark Time Spy Extreme (higher is better)
Source: Modders Inc		 —2,878 points
3DMark Time Spy Graphics (higher is better)
Source: KitGuru		 8,155 points—
3DMark Time Spy Graphics Score (higher is better)
Source: Notebookcheck		 7,979 points—
PassMark G2D Mark (higher is better)
Source: PassMark		 896 pts776 pts

AI inference (tokens/sec)

Top community-reported tokens-per-second results for popular LLMs whose weights fit the card's memory, each linked to its source. See the per-SKU benchmark page for the full set including quantization and prompt length.

Radeon RX 6600

All Radeon RX 6600 AI benchmarks →

NVIDIA GeForce GTX 1660 Ti

All NVIDIA GeForce GTX 1660 Ti AI benchmarks →

Quick answers

Which is faster, the Radeon RX 6600 or the NVIDIA GeForce GTX 1660 Ti?

The Radeon RX 6600 is ahead of the NVIDIA GeForce GTX 1660 Ti on all 5 shared benchmarks on file, by 14% to 41%, including 29% in 3DMark Time Spy (8,155 vs 6,314).

Which is better for running local LLMs?

On llama2:7b, the NVIDIA GeForce GTX 1660 Ti generates 56.6 tokens/s (per llama.cpp GitHub Discussions #10879) against 50.6 for the Radeon RX 6600 (per knightli.com), best community run on file for each.

What did the Radeon RX 6600 and the NVIDIA GeForce GTX 1660 Ti cost at launch?

The Radeon RX 6600 launched at a $329 MSRP and the NVIDIA GeForce GTX 1660 Ti at $279. Street prices drift from launch pricing; the Where to buy section links current listings.

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