GeForce RTX 3080 Mobile vs Radeon Pro V620 MxGPU

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 Pro V620 MxGPU 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 Pro V620 MxGPU: 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

✅18.0% more average FPS across 50 tracked games in our benchmark data.
✅Access to DLSS 2 Super Resolution (2020).
✅Better long-term bet: Ampere on 8nm gives it a newer hardware base for upcoming games.
✅Draws 115W instead of 300W, a 185W reduction.

Trade-offs

❌Less VRAM, with 8 GB vs 32 GB for high-resolution textures and newer games.

Radeon Pro V620 MxGPU

2018

Why buy it

✅300% more VRAM for high-resolution textures and newer games (32 GB vs 8 GB).

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 Upscaling / FSR 4 (2025) instead.
❌Older hardware, 32 GB of VRAM, and weaker feature support mean it will age faster in newer AAA releases.
❌160.9% higher power demand at 300W 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 18.0% in average FPS across 50 tracked games in our benchmark data and by 3.7% in PassMark G3D (16,214 vs 15,633), so the answer here is pretty clean.

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

GeForce RTX 3080 Mobile is the safer long-term pick for 2026 and beyond. The case is simple: a 8nm process instead of 14nm, 48 vs 0 ray-tracing units, and a newer 2021 generation instead of 2018. That gives it the more rounded hardware package for newer games.

Which GPU is the better buy today?

GeForce RTX 3080 Mobile makes the most sense today based on the pricing and value data we have for this matchup.

GeForce RTX 3080 Mobile vs Radeon Pro V620 MxGPU 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 Pro V620 MxGPU

The Radeon Pro V620 MxGPU is manufactured by AMD. It was released in August 26 2018. It features the GCN 5.0 architecture. The core clock ranges from 1000 MHz to 1500 MHz. It has 3584 ×2 shading units. The thermal design power (TDP) is 300W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 15,633 points.

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Graphics Performance

The GeForce RTX 3080 Mobile scores 16,214 and the Radeon Pro V620 MxGPU reaches 15,633 in the G3D Mark benchmark — just a 3.7% difference, making them near-identical in rasterization performance. The GeForce RTX 3080 Mobile is built on Ampere while the Radeon Pro V620 MxGPU uses GCN 5.0, both on 8 nm vs 14 nm. Shader units: 6,144 (GeForce RTX 3080 Mobile) vs 3,584 (Radeon Pro V620 MxGPU). Raw compute: 18.98 TFLOPS (GeForce RTX 3080 Mobile) vs 10.75 TFLOPS ×2 (Radeon Pro V620 MxGPU). Boost clocks: 1545 MHz vs 1500 MHz.

Feature	GeForce RTX 3080 Mobile	Radeon Pro V620 MxGPU
G3D Mark Score	16,214+4%	15,633
Architecture	Ampere	GCN 5.0
Process Node	8 nm	14 nm
Shading Units	6144+71%	3584 ×2
Compute (TFLOPS)	18.98 TFLOPS+77%	10.75 TFLOPS ×2
Boost Clock	1545 MHz+3%	1500 MHz
ROPs	96+50%	64 ×2
TMUs	192	224 ×2+17%
L1 Cache	6 MB+582%	0.88 MB
L2 Cache	4 MB	4 MB

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Advanced Features (DLSS/FSR)

The GeForce RTX 3080 Mobile gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon Pro V620 MxGPU leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce RTX 3080 Mobile	Radeon Pro V620 MxGPU
Upscaling Tech	DLSS 2 Super Resolution	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	AMD Anti-Lag

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Video Memory (VRAM)

The GeForce RTX 3080 Mobile has 8 GB of VRAM, while the Radeon Pro V620 MxGPU carries 32 GB. Radeon Pro V620 MxGPU gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 256-bit on the GeForce RTX 3080 Mobile and 128-bit on the Radeon Pro V620 MxGPU.

Feature	GeForce RTX 3080 Mobile	Radeon Pro V620 MxGPU
VRAM Capacity	8 GB	32 GB+300%
Memory Type	GDDR6	GDDR6
Bus Width	256-bit+100%	128-bit
L2 Cache	4 MB	4 MB

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Display & API Support

DirectX support: 12.2 (GeForce RTX 3080 Mobile) vs 12.2 (Radeon Pro V620 MxGPU). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 0.

Feature	GeForce RTX 3080 Mobile	Radeon Pro V620 MxGPU
DirectX	12.2	12.2
Vulkan	1.2	1.3+8%
OpenGL	4.6	4.6
Max Displays	4	0

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Media & Encoding

Hardware encoder: 7th Gen NVENC (GeForce RTX 3080 Mobile) vs VCN 3.0 (Radeon Pro V620 MxGPU). Decoder: 5th Gen NVDEC vs VCN 3.0. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (Decode) (GeForce RTX 3080 Mobile) vs MPEG-2,H.264,HEVC,VP9,AV1 (Radeon Pro V620 MxGPU).

Feature	GeForce RTX 3080 Mobile	Radeon Pro V620 MxGPU
Encoder	7th Gen NVENC	VCN 3.0
Decoder	5th Gen NVDEC	VCN 3.0
Codecs	MPEG-2,H.264,HEVC,VP9,AV1 (Decode)	MPEG-2,H.264,HEVC,VP9,AV1

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Power & Dimensions

The GeForce RTX 3080 Mobile draws 115W versus the Radeon Pro V620 MxGPU's 300W — a 89.2% difference. The GeForce RTX 3080 Mobile is more power-efficient. Recommended PSU: 650W (GeForce RTX 3080 Mobile) vs 650W (Radeon Pro V620 MxGPU). Power connectors: Mobile vs PCIe-powered. Card length: 0mm vs 267mm, occupying 0 vs 2 slots. Typical load temperature: 80°C vs 75°C.

Feature	GeForce RTX 3080 Mobile	Radeon Pro V620 MxGPU
TDP	115W-62%	300W
Recommended PSU	650W	650W
Power Connector	Mobile	PCIe-powered
Length	0mm	267mm
Height	0mm	111mm
Slots	0-100%	2
Temp (Load)	80°C	75°C-6%
Perf/Watt	141.0+171%	52.1