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 RTX 4080 Mobile

2023

Why buy it

✅Access to DLSS 3.5 Super Resolution (2023).
✅More future proof: Ada Lovelace (2022−2024) on 4nm with a newer platform for upcoming games.
✅Draws 150W instead of 300W, a 150W reduction.

Trade-offs

❌Lower average FPS than Radeon RX 6800 XT across 50 tracked games in our benchmark data.
❌Less VRAM, with 12 GB vs 16 GB for high-resolution textures and newer games.
❌
74.1% HIGHER MSRP
$1,130 MSRPvs$649 MSRP
❌Lower G3D Mark per dollar, at 22.0 vs 38.5 G3D/$ ($1,130 MSRP vs $649 MSRP).

Radeon RX 6800 XT

2020

Why buy it

✅3.5% more average FPS across 50 tracked games in our benchmark data.
✅Costs $481 less on MSRP ($649 MSRP vs $1,130 MSRP).
✅Delivers 75.4% more G3D Mark for each dollar spent, at 38.5 vs 22.0 G3D/$ ($649 MSRP vs $1,130 MSRP).
✅33.3% more VRAM for high-resolution textures and newer games (16 GB vs 12 GB).

Trade-offs

❌No DLSS support; it relies on FSR 3 (2023) instead.
❌Weaker long-term outlook: GeForce RTX 4080 Mobile is the safer future-proof pick thanks to newer hardware and better gaming feature support.
❌100% higher power demand at 300W vs 150W.

GeForce RTX 4080 Mobile

2023

Radeon RX 6800 XT

2020

Why buy it

✅Access to DLSS 3.5 Super Resolution (2023).
✅More future proof: Ada Lovelace (2022−2024) on 4nm with a newer platform for upcoming games.
✅Draws 150W instead of 300W, a 150W reduction.

Why buy it

✅3.5% more average FPS across 50 tracked games in our benchmark data.
✅Costs $481 less on MSRP ($649 MSRP vs $1,130 MSRP).
✅Delivers 75.4% more G3D Mark for each dollar spent, at 38.5 vs 22.0 G3D/$ ($649 MSRP vs $1,130 MSRP).
✅33.3% more VRAM for high-resolution textures and newer games (16 GB vs 12 GB).

Trade-offs

❌Lower average FPS than Radeon RX 6800 XT across 50 tracked games in our benchmark data.
❌Less VRAM, with 12 GB vs 16 GB for high-resolution textures and newer games.
❌
74.1% HIGHER MSRP
$1,130 MSRPvs$649 MSRP
❌Lower G3D Mark per dollar, at 22.0 vs 38.5 G3D/$ ($1,130 MSRP vs $649 MSRP).

Trade-offs

❌No DLSS support; it relies on FSR 3 (2023) instead.
❌Weaker long-term outlook: GeForce RTX 4080 Mobile is the safer future-proof pick thanks to newer hardware and better gaming feature support.
❌100% higher power demand at 300W vs 150W.

Quick Answers

So, is Radeon RX 6800 XT better than GeForce RTX 4080 Mobile?

Yes, but this is not really about a huge raw performance gap. Radeon RX 6800 XT averages 3.5% more FPS across 50 tracked games in our benchmark data. The broader synthetic picture is also very close at 24,805 vs 24,995 in G3D Mark. The bigger reason to prefer Radeon RX 6800 XT is the overall package: you are getting FSR 3 + AFMF.

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

GeForce RTX 4080 Mobile is the more future-proof choice for 2026 and beyond. You are getting a newer 2023 generation instead of 2020, the stronger feature stack with DLSS 3.5 + Frame Generation instead of FSR 3 + AFMF, and a 4nm process instead of 7nm. 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 6800 XT can still make sense if you find it at the right price, especially around $649 MSRP. Radeon RX 6800 XT is still the smarter buy for most people, though, because the raw performance is close while the overall package is cleaner. Radeon RX 6800 XT is about $481 cheaper on MSRP at $649 MSRP versus $1,130 MSRP, and you are getting 3.5% more estimated average FPS across 50 tracked games in our benchmark data and 0.8% higher G3D Mark. GeForce RTX 4080 Mobile is the newer 2023 card, so it still has a real case if you care more about newer architecture, lower power draw (150W vs 300W), and future-proofing than about squeezing out the strongest gaming value today.

When does GeForce RTX 4080 Mobile make more sense than Radeon RX 6800 XT?

Yes. GeForce RTX 4080 Mobile is still an excellent gaming GPU in 2026: it is excellent for 1080p, very strong for 1440p, and still capable at 4K with sensible settings or upscaling. It makes more sense if your priority is newer architecture, lower power draw (150W vs 300W), future-proofing, and staying closer to $1,130 MSRP more than squeezing out the extra headroom of Radeon RX 6800 XT. The trade-off is that Radeon RX 6800 XT currently gives you 0.8% higher G3D Mark and 3.5% more estimated average FPS across 50 tracked games in our benchmark data. It also leads G3D-per-dollar by 75.4%.

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 RTX 4080 Mobile Benchmark Check

Radeon RX 6800 XT Benchmark Check

Path of Exile 2

Preset	GeForce RTX 4080 Mobile	Radeon RX 6800 XT
1080p
low	174 FPS	221 FPS
medium	158 FPS	203 FPS
high	140 FPS	178 FPS
ultra	123 FPS	161 FPS
1440p
low	145 FPS	200 FPS
medium	120 FPS	167 FPS
high	104 FPS	138 FPS
ultra	93 FPS	129 FPS
4K
low	87 FPS	135 FPS
medium	73 FPS	114 FPS
high	58 FPS	90 FPS
ultra	51 FPS	83 FPS

Open GeForce RTX 4080 Mobile Open Radeon RX 6800 XT

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	GeForce RTX 4080 Mobile	Radeon RX 6800 XT
1080p
low	422 FPS	565 FPS
medium	365 FPS	477 FPS
high	295 FPS	382 FPS
ultra	259 FPS	327 FPS
1440p
low	326 FPS	359 FPS
medium	272 FPS	296 FPS
high	222 FPS	246 FPS
ultra	186 FPS	201 FPS
4K
low	179 FPS	150 FPS
medium	155 FPS	132 FPS
high	132 FPS	111 FPS
ultra	108 FPS	89 FPS

Open GeForce RTX 4080 Mobile Open Radeon RX 6800 XT

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	GeForce RTX 4080 Mobile	Radeon RX 6800 XT
1080p
low	885 FPS	924 FPS
medium	722 FPS	767 FPS
high	634 FPS	683 FPS
ultra	550 FPS	562 FPS
1440p
low	696 FPS	714 FPS
medium	564 FPS	587 FPS
high	483 FPS	510 FPS
ultra	413 FPS	422 FPS
4K
low	474 FPS	498 FPS
medium	385 FPS	412 FPS
high	329 FPS	353 FPS
ultra	267 FPS	281 FPS

Open GeForce RTX 4080 Mobile Open Radeon RX 6800 XT

League of Legends

League of Legends

Valorant

Preset	GeForce RTX 4080 Mobile	Radeon RX 6800 XT
1080p
low	467 FPS	663 FPS
medium	410 FPS	552 FPS
high	345 FPS	487 FPS
ultra	303 FPS	439 FPS
1440p
low	387 FPS	553 FPS
medium	342 FPS	466 FPS
high	285 FPS	407 FPS
ultra	244 FPS	359 FPS
4K
low	245 FPS	355 FPS
medium	221 FPS	309 FPS
high	188 FPS	285 FPS
ultra	163 FPS	252 FPS

Open GeForce RTX 4080 Mobile Open Radeon RX 6800 XT

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce RTX 4080 Mobile and Radeon RX 6800 XT

GeForce RTX 4080 Mobile

The GeForce RTX 4080 Mobile is manufactured by NVIDIA. It was released in January 3 2023. It features the Ada Lovelace architecture. The core clock ranges from 1290 MHz to 2010 MHz. It has 7424 shading units. The thermal design power (TDP) is 150W. Manufactured using 4 nm process technology. It features 58 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 24,805 points.

Radeon RX 6800 XT

The Radeon RX 6800 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 4608 shading units. The thermal design power (TDP) is 300W. Manufactured using 7 nm process technology. It features 72 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 24,995 points. Launch price was $649.

⚡

Graphics Performance

The GeForce RTX 4080 Mobile scores 24,805 and the Radeon RX 6800 XT reaches 24,995 in the G3D Mark benchmark — just a 0.8% difference, making them near-identical in rasterization performance. The GeForce RTX 4080 Mobile is built on Ada Lovelace while the Radeon RX 6800 XT uses RDNA 2.0, both on 4 nm vs 7 nm. Shader units: 7,424 (GeForce RTX 4080 Mobile) vs 4,608 (Radeon RX 6800 XT). Raw compute: 24.72 TFLOPS (GeForce RTX 4080 Mobile) vs 20.74 TFLOPS (Radeon RX 6800 XT). Boost clocks: 2010 MHz vs 2250 MHz. Ray tracing: 58 RT cores (GeForce RTX 4080 Mobile) vs 72 (Radeon RX 6800 XT) with 232 Tensor cores.

Feature	GeForce RTX 4080 Mobile	Radeon RX 6800 XT
G3D Mark Score	24,805	24,995
Architecture	Ada Lovelace	RDNA 2.0
Process Node	4 nm	7 nm
Shading Units	7424+61%	4608
Compute (TFLOPS)	24.72 TFLOPS+19%	20.74 TFLOPS
Boost Clock	2010 MHz	2250 MHz+12%
ROPs	80	128+60%
TMUs	232	288+24%
L1 Cache	7.3 MB+630%	1 MB
L2 Cache	48 MB+1100%	4 MB
Ray Tracing Cores	58	72+24%

✨

Advanced Features (DLSS/FSR)

Both GPUs support Frame Generation technologies, but they achieve it differently. The GeForce RTX 4080 Mobile uses DLSS 3.5 + Frame Generation, while the Radeon RX 6800 XT relies on FSR Frame Generation + AFMF. Both can significantly boost FPS in supported titles, but they are not on the same feature stack.The GeForce RTX 4080 Mobile gives access to NVIDIA DLSS (Deep Learning Super Sampling), widely regarding as the superior upscaling method for image quality. The Radeon RX 6800 XT relies on FSR (FidelityFX Super Resolution), which is capable but generally slightly noisier than DLSS in motion.

Feature	GeForce RTX 4080 Mobile	Radeon RX 6800 XT
Upscaling Tech	DLSS 3.5 Super Resolution	FSR 3
Frame Generation	DLSS 3.5 + Frame Generation	FSR Frame Generation + AFMF
Ray Reconstruction	Yes (DLSS 3.5)	No
Low Latency	NVIDIA Reflex	AMD Anti-Lag

💾

Video Memory (VRAM)

The GeForce RTX 4080 Mobile comes with 12 GB of VRAM, while the Radeon RX 6800 XT has 16 GB. The Radeon RX 6800 XT offers 33.3% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 432 GB/s (GeForce RTX 4080 Mobile) vs 512 GB/s (Radeon RX 6800 XT) — a 18.5% advantage for the Radeon RX 6800 XT. Bus width: 192-bit vs 256-bit. L2 Cache: 48 MB (GeForce RTX 4080 Mobile) vs 4 MB (Radeon RX 6800 XT) — the GeForce RTX 4080 Mobile has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce RTX 4080 Mobile	Radeon RX 6800 XT
VRAM Capacity	12 GB	16 GB+33%
Memory Type	GDDR6	GDDR6
Memory Bandwidth	432 GB/s	512 GB/s+19%
Bus Width	192-bit	256-bit+33%
L2 Cache	48 MB+1100%	4 MB

🖥️

Display & API Support

DirectX support: 12.2 (GeForce RTX 4080 Mobile) vs 12 Ultimate (12_2) (Radeon RX 6800 XT). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 1 vs 4.

Feature	GeForce RTX 4080 Mobile	Radeon RX 6800 XT
DirectX	12.2+2%	12 Ultimate (12_2)
Vulkan	1.3	1.3
OpenGL	4.6	4.6
Max Displays	1	4+300%

🎬

Media & Encoding

Hardware encoder: 8th Gen NVENC (GeForce RTX 4080 Mobile) vs VCN 3.0 (Radeon RX 6800 XT). Decoder: 5th Gen NVDEC vs VCN 3.0. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (GeForce RTX 4080 Mobile) vs H.264,H.265,VP9,AV1 (Radeon RX 6800 XT).

Feature	GeForce RTX 4080 Mobile	Radeon RX 6800 XT
Encoder	8th Gen NVENC	VCN 3.0
Decoder	5th Gen NVDEC	VCN 3.0
Codecs	MPEG-2,H.264,HEVC,VP9,AV1	H.264,H.265,VP9,AV1

🔌

Power & Dimensions

The GeForce RTX 4080 Mobile draws 150W versus the Radeon RX 6800 XT's 300W — a 66.7% difference. The GeForce RTX 4080 Mobile is more power-efficient. Recommended PSU: 650W (GeForce RTX 4080 Mobile) vs 750W (Radeon RX 6800 XT). Power connectors: Mobile vs 2x 8-pin. Card length: 0mm vs 267mm, occupying 0 vs 2 slots. Typical load temperature: 80°C vs 75.

Feature	GeForce RTX 4080 Mobile	Radeon RX 6800 XT
TDP	150W-50%	300W
Recommended PSU	650W-13%	750W
Power Connector	Mobile	2x 8-pin
Length	0mm	267mm
Height	0mm	120mm
Slots	0-100%	2
Temp (Load)	80°C	75-6%
Perf/Watt	165.4+99%	83.3

💰

Value Analysis

The GeForce RTX 4080 Mobile launched at $1130 MSRP, while the Radeon RX 6800 XT launched at $649. The Radeon RX 6800 XT costs 42.6% less ($481 savings) on MSRP. Performance per dollar on MSRP (G3D Mark / MSRP): 22.0 (GeForce RTX 4080 Mobile) vs 38.5 (Radeon RX 6800 XT) — the Radeon RX 6800 XT offers 75% better value. The GeForce RTX 4080 Mobile is the newer GPU (2023 vs 2020).