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Radeon RX 6600 vs Radeon RX 7800 XT — Specs & Performance Compared

Verdict: The Radeon RX 7800 XT is ahead of the Radeon RX 6600 on all 7 shared benchmarks on file, by 33% to 208%, including 132% in 3DMark Time Spy (18,928 vs 8,155). On qwen3:8b, both reach about 711.0 tokens/s (per LocalLLaMA; per LocalLLaMA).

Side-by-side GPU comparison of the Radeon RX 6600 and the Radeon RX 7800 XT. Released 2021 (Radeon RX 6600), 2023 (Radeon RX 7800 XT). MSRP range: $329 · $499. 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 6600Radeon RX 7800 XT
vram gb 816

Synthetic benchmarks

Each row says whether a higher or a lower number is better (ranks and times are lower-is-better). Scores come from Overclocking.com, 3DMark, Notebookcheck, WePC, Overclock3D, UL Benchmarks, The FPS Review, KitGuru, Guru3D and VideoCardz; 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 6600Radeon RX 7800 XT
3DMark DirectX Raytracing Feature Test 2.0 (higher is better)
Source: Overclocking.com		 —32
3DMark Fire Strike (higher is better)
Source: 3DMark, Overclocking.com		 20,362 points27,435 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: WePC		 —12,331 points
3DMark Port Royal (higher is better)
Source: WePC, Overclock3D, 3DMark		 3,928 points10,318 points
3DMark Speed Way (higher is better)
Source: Overclocking.com, 3DMark, Overclock3D		 1,548 points3,757 points
3DMark Steel Nomad (higher is better)
Source: UL Benchmarks, 3DMark		 1,487 points4,573 points
3DMark Time Spy (higher is better)
Source: The FPS Review, Overclocking.com, KitGuru, Guru3D, VideoCardz		 8,155 points18,928 points
3DMark Time Spy Extreme (higher is better)
Source: Overclocking.com, WePC		 —9,029 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—

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 →

Radeon RX 7800 XT

All Radeon RX 7800 XT AI benchmarks →

Quick answers

Which is faster, the Radeon RX 6600 or the Radeon RX 7800 XT?

The Radeon RX 7800 XT is ahead of the Radeon RX 6600 on all 7 shared benchmarks on file, by 33% to 208%, including 132% in 3DMark Time Spy (18,928 vs 8,155).

Which is better for running local LLMs?

On qwen3:8b, both reach about 711.0 tokens/s (per LocalLLaMA; per LocalLLaMA).

What did the Radeon RX 6600 and the Radeon RX 7800 XT cost at launch?

The Radeon RX 6600 launched at a $329 MSRP and the Radeon RX 7800 XT at $499. Street prices drift from launch pricing; the Where to buy section links current listings.

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