GeForce RTX 3080 Mobile vs Radeon RX 6600 XT

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

GeForce RTX 3080 Mobile vs Radeon RX 6600 XT FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

GeForce RTX 3080 Mobile vs Radeon RX 6600 XT: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

GeForce RTX 3080 Mobile

2021

Why buy it

✅17.0% more average FPS across 50 tracked games in our benchmark data.
✅Access to DLSS 2 Super Resolution (2020).
✅Draws 115W instead of 160W, a 45W reduction.

Trade-offs

❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
❌Lower G3D Mark per dollar, at 0 vs 43.4 G3D/$ (Unknown MSRP vs $379 MSRP).

Radeon RX 6600 XT

2021

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 43.4 vs 0 G3D/$ ($379 MSRP vs Unknown MSRP).
✅Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
✅More future proof: RDNA 2.0 (2020−2025) on 7nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than GeForce RTX 3080 Mobile across 50 tracked games in our benchmark data.
❌No DLSS support; it relies on FSR 3 (2023) instead.
❌39.1% higher power demand at 160W vs 115W.

Quick Answers

Which GPU is faster for gaming right now?

GeForce RTX 3080 Mobile is the faster gaming card right now. In our data, it leads by 17.0% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon RX 6600 XT instead at 16,453 vs 16,214, so for this question the real-game FPS result matters more than the synthetic split.

Which GPU is the safer long-term pick for 2026 and beyond?

Radeon RX 6600 XT is the safer long-term pick for 2026 and beyond. The case is simple: the newer feature stack, with FSR 3 (2023) and FSR Frame Generation + AFMF (2023), while GeForce RTX 3080 Mobile is limited to DLSS 2 Super Resolution (2020) and no comparable frame-generation support and a 7nm process instead of 8nm. That still leaves it as the safer long-term option on hardware alone.

Which GPU is the better buy today?

Radeon RX 6600 XT makes the most sense today based on the pricing and value data we have for this matchup. GeForce RTX 3080 Mobile still makes more sense if max raw gaming performance matters more than value.

GeForce RTX 3080 Mobile vs Radeon RX 6600 XT Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce RTX 3080 Mobile

The GeForce RTX 3080 Mobile is manufactured by NVIDIA. It was released in January 12 2021. It features the Ampere architecture. The core clock ranges from 1110 MHz to 1545 MHz. It has 6144 shading units. The thermal design power (TDP) is 115W. Manufactured using 8 nm process technology. It features 48 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 16,214 points.

Radeon RX 6600 XT

The Radeon RX 6600 XT is manufactured by AMD. It was released in July 30 2021. It features the RDNA 2.0 architecture. The core clock ranges from 1968 MHz to 2589 MHz. It has 2048 shading units. The thermal design power (TDP) is 160W. Manufactured using 7 nm process technology. It features 32 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 16,453 points. Launch price was $379.

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Graphics Performance

The GeForce RTX 3080 Mobile scores 16,214 and the Radeon RX 6600 XT reaches 16,453 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The GeForce RTX 3080 Mobile is built on Ampere while the Radeon RX 6600 XT uses RDNA 2.0, both on 8 nm vs 7 nm. Shader units: 6,144 (GeForce RTX 3080 Mobile) vs 2,048 (Radeon RX 6600 XT). Raw compute: 18.98 TFLOPS (GeForce RTX 3080 Mobile) vs 10.6 TFLOPS (Radeon RX 6600 XT). Boost clocks: 1545 MHz vs 2589 MHz. Ray tracing: 48 RT cores (GeForce RTX 3080 Mobile) vs 32 (Radeon RX 6600 XT) with 192 Tensor cores.

Feature	GeForce RTX 3080 Mobile	Radeon RX 6600 XT
G3D Mark Score	16,214	16,453+1%
Architecture	Ampere	RDNA 2.0
Process Node	8 nm	7 nm
Shading Units	6144+200%	2048
Compute (TFLOPS)	18.98 TFLOPS+79%	10.6 TFLOPS
Boost Clock	1545 MHz	2589 MHz+68%
ROPs	96+50%	64
TMUs	192+50%	128
L1 Cache	6 MB+1100%	0.5 MB
L2 Cache	4 MB+100%	2 MB
Ray Tracing Cores	48+50%	32

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Advanced Features (DLSS/FSR)

The clearest feature edge for the Radeon RX 6600 XT is support for FSR Frame Generation + AFMF. In games that support it, that can smooth out motion and lift perceived FPS. The GeForce RTX 3080 Mobile does not have comparable native support in the same tier.The GeForce RTX 3080 Mobile gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX 6600 XT leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce RTX 3080 Mobile	Radeon RX 6600 XT
Upscaling Tech	DLSS 2 Super Resolution	FSR 3
Frame Generation	Not Supported	FSR Frame Generation + AFMF
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	AMD Anti-Lag

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Video Memory (VRAM)

Both cards ship with 8 GB of GDDR6. Memory bandwidth: 448 GB/s (GeForce RTX 3080 Mobile) vs 256 GB/s (Radeon RX 6600 XT) — a 75% advantage for the GeForce RTX 3080 Mobile. Memory bus width is 256-bit on the GeForce RTX 3080 Mobile and 128-bit on the Radeon RX 6600 XT. L2 Cache: 4 MB (GeForce RTX 3080 Mobile) vs 2 MB (Radeon RX 6600 XT) — the GeForce RTX 3080 Mobile has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce RTX 3080 Mobile	Radeon RX 6600 XT
VRAM Capacity	8 GB	8 GB
Memory Type	GDDR6	GDDR6
Memory Bandwidth	448 GB/s+75%	256 GB/s
Bus Width	256-bit+100%	128-bit
L2 Cache	4 MB+100%	2 MB

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Display & API Support

DirectX support: 12.2 (GeForce RTX 3080 Mobile) vs 12 Ultimate (Radeon RX 6600 XT). Vulkan: 1.2 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

Feature	GeForce RTX 3080 Mobile	Radeon RX 6600 XT
DirectX	12.2+2%	12 Ultimate
Vulkan	1.2	1.4+17%
OpenGL	4.6	4.6
Max Displays	4	4

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Media & Encoding

Hardware encoder: 7th Gen NVENC (GeForce RTX 3080 Mobile) vs VCE (Radeon RX 6600 XT). Decoder: 5th Gen NVDEC vs UVD. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (Decode) (GeForce RTX 3080 Mobile) vs H.264,H.265/HEVC,AV1 (Radeon RX 6600 XT).

Feature	GeForce RTX 3080 Mobile	Radeon RX 6600 XT
Encoder	7th Gen NVENC	VCE
Decoder	5th Gen NVDEC	UVD
Codecs	MPEG-2,H.264,HEVC,VP9,AV1 (Decode)	H.264,H.265/HEVC,AV1

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Power & Dimensions

The GeForce RTX 3080 Mobile draws 115W versus the Radeon RX 6600 XT's 160W — a 32.7% difference. The GeForce RTX 3080 Mobile is more power-efficient. Recommended PSU: 650W (GeForce RTX 3080 Mobile) vs 500W (Radeon RX 6600 XT). Power connectors: Mobile vs 8-pin. Card length: 0mm vs 190mm, occupying 0 vs 2 slots. Typical load temperature: 80°C vs 75°C.

Feature	GeForce RTX 3080 Mobile	Radeon RX 6600 XT
TDP	115W-28%	160W
Recommended PSU	650W	500W-23%
Power Connector	Mobile	8-pin
Length	0mm	190mm
Height	0mm	110mm
Slots	0-100%	2
Temp (Load)	80°C	75°C-6%
Perf/Watt	141.0+37%	102.8