GeForce RTX 4080 Mobile vs Radeon RX 6800 XT

CPU

GPU

GeForce RTX 4080 Mobile

2023Core: 1290 MHzBoost: 2010 MHz

RTX family

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Radeon RX 6800 XT

2020Core: 1825 MHzBoost: 2250 MHz

RX family

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GeForce RTX 4080 Mobile vs Radeon RX 6800 XT Performance Spectrum

GeForce RTX 4080 Mobile

12 GB 150

24,805

0.0%

GeForce GTX 980 Ti

GeForce RTX 2060 SUPER

GeForce RTX 3080 Ti Mobile

GeForce RTX 4080 SUPER

Radeon RX 6800 XT

16 GB 300

24,995

+0.8%

About G3D Mark

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 4080 Mobile vs Radeon RX 6800 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 4080 Mobile vs Radeon RX 6800 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 4080 Mobile

2023

Why buy it

✅Better long-term bet: Ada Lovelace (2022−2024) on 4nm gives it a newer hardware base for upcoming games.
✅Draws 150W instead of 300W, a 150W reduction.
✅More future proof: Ada Lovelace (2022−2024) on 4nm with a newer platform for upcoming games.

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

❌GeForce RTX 4080 Mobile is the safer long-term pick here because the hardware is newer and the feature stack is stronger.
❌100% higher power demand at 300W vs 150W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon RX 6800 XT is the faster gaming card right now. In our data, it leads by 3.5% in average FPS across 50 tracked games in our benchmark data and by 0.8% in PassMark G3D (24,995 vs 24,805), so the answer here is pretty clean.

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

GeForce RTX 4080 Mobile is the safer long-term pick for 2026 and beyond. The case is simple: a 4nm process instead of 7nm and a newer 2023 generation instead of 2020. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Radeon RX 6800 XT makes the most sense to buy today. It is $481 cheaper on MSRP at $649 vs $1,130, and it leads G3D-per-dollar by 75.4% (38.5 vs 22.0), so the value case lines up with the gaming result. If you are mainly targeting 1080p and strong 1440p, Radeon RX 6800 XT is the easier value choice. If you care more about 1080p and strong 1440p headroom, GeForce RTX 4080 Mobile has the stronger long-term case.

GeForce RTX 4080 Mobile vs Radeon RX 6800 XT Technical Specifications

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

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, but they get there through different ecosystems. 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 help smooth out supported games, but they are not on the same feature stack.The GeForce RTX 4080 Mobile gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX 6800 XT leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

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 has 12 GB of VRAM, while the Radeon RX 6800 XT carries 16 GB. Radeon RX 6800 XT gives you 33.3% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. 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. Memory bus width is 192-bit on the GeForce RTX 4080 Mobile and 256-bit on the Radeon RX 6800 XT. 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

At launch, the GeForce RTX 4080 Mobile came in at $1130, while the Radeon RX 6800 XT launched at $649. On MSRP, Radeon RX 6800 XT was 42.6% cheaper ($481 less). 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 newer card here is GeForce RTX 4080 Mobile (2023 vs 2020).

Feature	GeForce RTX 4080 Mobile	Radeon RX 6800 XT
MSRP	$1130	$649-43%
Performance per Dollar	22.0	38.5+75%
Codename	AD104	Navi 21
Release	January 3 2023	October 28 2020
Ranking	#43	#42

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