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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, raw graphics performance, VRAM, feature set, power efficiency, pricing context, and long-term value so you can see which GPU actually makes more sense.

GeForce GTX 1080 SLI (móvel)

2016

Why buy it

✅Competitive enough if your priority is price, power, or specific feature preference.

Trade-offs

❌Lower average FPS than Radeon RX 6900 XT across 50 tracked games in our benchmark data.
❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
❌Limited future-proofing: older hardware, 16 GB of VRAM, and weaker feature support mean it will age faster in upcoming AAA games.
❌Lower G3D Mark per dollar, at 0 vs 26.8 G3D/$ (Unknown MSRP vs $999 MSRP).

Radeon RX 6900 XT

2020

Why buy it

✅113.3% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 26.8 vs 0 G3D/$ ($999 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

❌Fewer clear downsides in this head-to-head, aside from the usual pricing and availability swings.

GeForce GTX 1080 SLI (móvel)

2016

Radeon RX 6900 XT

2020

Why buy it

✅Competitive enough if your priority is price, power, or specific feature preference.

Why buy it

✅113.3% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 26.8 vs 0 G3D/$ ($999 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 Radeon RX 6900 XT across 50 tracked games in our benchmark data.
❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
❌Limited future-proofing: older hardware, 16 GB of VRAM, and weaker feature support mean it will age faster in upcoming AAA games.
❌Lower G3D Mark per dollar, at 0 vs 26.8 G3D/$ (Unknown MSRP vs $999 MSRP).

Trade-offs

❌Fewer clear downsides in this head-to-head, aside from the usual pricing and availability swings.

Quick Answers

So, is Radeon RX 6900 XT better than GeForce GTX 1080 SLI (móvel)?

Yes. Radeon RX 6900 XT is clearly the better overall GPU here. Radeon RX 6900 XT averages 113.3% more FPS across 50 tracked games in our benchmark data. You are also looking at 26,729 vs 26,543 in G3D Mark. On top of that, Radeon RX 6900 XT is a 2020 card with FSR 3 + AFMF, while GeForce GTX 1080 SLI (móvel) is a 2016 model from an older high-end class with no meaningful modern upscaling stack. So this is not really a tight same-tier comparison. It is more a modern card against an older, weaker alternative.

Which one is more future-proof for 2026 and beyond?

Radeon RX 6900 XT is the more future-proof choice for 2026 and beyond. You are getting a newer 2020 generation instead of 2016, better upscaling support with FSR 3 (2023) instead of no meaningful modern upscaling stack and better frame-generation support with FSR Frame Generation + AFMF (2023) instead of no meaningful modern upscaling stack, and a 7nm process instead of 16nm. That broader feature stack should age better as more games lean on modern upscaling and frame-generation support.

Which one is the smarter buy today, not just the cheaper card?

Radeon RX 6900 XT is the smarter buy today, but it is not as lopsided as a simple winner label makes it sound. Radeon RX 6900 XT is priced in an unclear MSRP range at $999 MSRP versus an unclear MSRP, and you are getting 113.3% more estimated average FPS across 50 tracked games in our benchmark data and 0.7% higher G3D Mark. It also leads G3D-per-dollar by 100+%. That is why the better overall card still comes out as the smarter buy today, not just the faster one.

Is GeForce GTX 1080 SLI (móvel) still worth buying for gaming in 2026?

Yes. GeForce GTX 1080 SLI (móvel) is still a strong modern gaming GPU: it is excellent for 1080p, very strong for 1440p, and still capable at 4K with sensible settings or upscaling. It remains a good buy when you can get it meaningfully cheaper than the alternative around an unclear MSRP, even if Radeon RX 6900 XT is still the cleaner recommendation on overall value today.

Games Benchmarks

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 9800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

GeForce GTX 1080 SLI (móvel) Benchmark Check

Radeon RX 6900 XT Benchmark Check

Path of Exile 2

Preset	GeForce GTX 1080 SLI (móvel)	Radeon RX 6900 XT
1080p
low	181 FPS	258 FPS
medium	165 FPS	235 FPS
high	139 FPS	203 FPS
ultra	125 FPS	176 FPS
1440p
low	168 FPS	242 FPS
medium	141 FPS	200 FPS
high	112 FPS	162 FPS
ultra	102 FPS	146 FPS
4K
low	98 FPS	171 FPS
medium	87 FPS	143 FPS
high	63 FPS	107 FPS
ultra	57 FPS	95 FPS

Open GeForce GTX 1080 SLI (móvel)Open Radeon RX 6900 XT

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	GeForce GTX 1080 SLI (móvel)	Radeon RX 6900 XT
1080p
low	194 FPS	601 FPS
medium	148 FPS	500 FPS
high	109 FPS	400 FPS
ultra	79 FPS	341 FPS
1440p
low	121 FPS	397 FPS
medium	82 FPS	330 FPS
high	64 FPS	271 FPS
ultra	52 FPS	221 FPS
4K
low	54 FPS	193 FPS
medium	40 FPS	162 FPS
high	34 FPS	135 FPS
ultra	27 FPS	111 FPS

Open GeForce GTX 1080 SLI (móvel)Open Radeon RX 6900 XT

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	GeForce GTX 1080 SLI (móvel)	Radeon RX 6900 XT
1080p
low	700 FPS	924 FPS
medium	565 FPS	767 FPS
high	489 FPS	683 FPS
ultra	423 FPS	585 FPS
1440p
low	494 FPS	714 FPS
medium	406 FPS	587 FPS
high	344 FPS	510 FPS
ultra	289 FPS	432 FPS
4K
low	322 FPS	498 FPS
medium	265 FPS	412 FPS
high	209 FPS	353 FPS
ultra	159 FPS	290 FPS

Open GeForce GTX 1080 SLI (móvel)Open Radeon RX 6900 XT

League of Legends

League of Legends

Valorant

Preset	GeForce GTX 1080 SLI (móvel)	Radeon RX 6900 XT
1080p
low	397 FPS	684 FPS
medium	333 FPS	565 FPS
high	274 FPS	494 FPS
ultra	230 FPS	446 FPS
1440p
low	329 FPS	563 FPS
medium	276 FPS	471 FPS
high	209 FPS	408 FPS
ultra	170 FPS	360 FPS
4K
low	166 FPS	365 FPS
medium	132 FPS	317 FPS
high	117 FPS	290 FPS
ultra	96 FPS	256 FPS

Open GeForce GTX 1080 SLI (móvel)Open Radeon RX 6900 XT

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce GTX 1080 SLI (móvel) and Radeon RX 6900 XT

GeForce GTX 1080 SLI (móvel)

The GeForce GTX 1080 SLI (móvel) is manufactured by NVIDIA. It was released in August 16 2016. It features the Pascal architecture. The core clock ranges from 1556 MHz to 1734 MHz. It has 5120 shading units. The thermal design power (TDP) is 300W. Manufactured using 16 nm process technology. G3D Mark benchmark score: 26,543 points.

Radeon RX 6900 XT

The Radeon RX 6900 XT is manufactured by AMD. It was released in October 28 2020. It features the RDNA 2.0 architecture. The core clock ranges from 1825 MHz to 2250 MHz. It has 5120 shading units. The thermal design power (TDP) is 300W. Manufactured using 7 nm process technology. It features 80 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,729 points. Launch price was $999.

⚡

Graphics Performance

The GeForce GTX 1080 SLI (móvel) scores 26,543 and the Radeon RX 6900 XT reaches 26,729 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The GeForce GTX 1080 SLI (móvel) is built on Pascal while the Radeon RX 6900 XT uses RDNA 2.0, both on 16 nm vs 7 nm. Shader units: 5,120 (GeForce GTX 1080 SLI (móvel)) vs 5,120 (Radeon RX 6900 XT). Boost clocks: 1734 MHz vs 2250 MHz.

Feature	GeForce GTX 1080 SLI (móvel)	Radeon RX 6900 XT
G3D Mark Score	26,543	26,729
Architecture	Pascal	RDNA 2.0
Process Node	16 nm	7 nm
Shading Units	5120	5120
Boost Clock	1734 MHz	2250 MHz+30%

✨

Advanced Features (DLSS/FSR)

A critical advantage for the Radeon RX 6900 XT is support for FSR Frame Generation + AFMF. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The GeForce GTX 1080 SLI (móvel) lacks specific hardware/driver support for this native frame generation tier.The GeForce GTX 1080 SLI (móvel) gives access to NVIDIA DLSS (Deep Learning Super Sampling), widely regarding as the superior upscaling method for image quality. The Radeon RX 6900 XT relies on FSR (FidelityFX Super Resolution), which is capable but generally slightly noisier than DLSS in motion.

Feature	GeForce GTX 1080 SLI (móvel)	Radeon RX 6900 XT
Upscaling Tech	Upscaling support	FSR 3
Frame Generation	Not Supported	FSR Frame Generation + AFMF
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards feature 16 GB of video memory. Memory bandwidth: 320 GB/s (GeForce GTX 1080 SLI (móvel)) vs 512 GB/s (Radeon RX 6900 XT) — a 60% advantage for the Radeon RX 6900 XT. Bus width: 256-bit vs 256-bit.

Feature	GeForce GTX 1080 SLI (móvel)	Radeon RX 6900 XT
VRAM Capacity	16 GB	16 GB
Memory Type	GDDR5X	GDDR6
Memory Bandwidth	320 GB/s	512 GB/s+60%
Bus Width	256-bit	256-bit

🖥️

Display & API Support

DirectX support: 12.1 (GeForce GTX 1080 SLI (móvel)) vs 12 Ultimate (Radeon RX 6900 XT). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 1 vs 4.

Feature	GeForce GTX 1080 SLI (móvel)	Radeon RX 6900 XT
DirectX	12.1	12 Ultimate
Vulkan	1.2	1.3+8%
OpenGL	4.6	4.6
Max Displays	1	4+300%

🎬

Media & Encoding

Hardware encoder: 6th Gen NVENC (2x) (GeForce GTX 1080 SLI (móvel)) vs VCN 3.0 (Radeon RX 6900 XT). Decoder: 4th Gen NVDEC vs VCN 3.0. Supported codecs: MPEG-2,H.264,HEVC (GeForce GTX 1080 SLI (móvel)) vs H.264,H.265/HEVC,AV1,VP9 (Radeon RX 6900 XT).

Feature	GeForce GTX 1080 SLI (móvel)	Radeon RX 6900 XT
Encoder	6th Gen NVENC (2x)	VCN 3.0
Decoder	4th Gen NVDEC	VCN 3.0
Codecs	MPEG-2,H.264,HEVC	H.264,H.265/HEVC,AV1,VP9

🔌

Power & Dimensions

The GeForce GTX 1080 SLI (móvel) draws 300W versus the Radeon RX 6900 XT's 300W — a 0% difference. The Radeon RX 6900 XT is more power-efficient. Recommended PSU: 650W (GeForce GTX 1080 SLI (móvel)) vs 850W (Radeon RX 6900 XT). Power connectors: PCIe-powered vs 2x 8-pin. Card length: 0mm vs 267mm, occupying 0 vs 2.5 slots. Typical load temperature: 85°C vs 80°C.

Feature	GeForce GTX 1080 SLI (móvel)	Radeon RX 6900 XT
TDP	300W	300W
Recommended PSU	650W-24%	850W
Power Connector	PCIe-powered	2x 8-pin
Length	0mm	267mm
Height	0mm	120mm
Slots	0-100%	2.5
Temp (Load)	85°C	80°C-6%
Perf/Watt	88.5	89.1