GeForce RTX 4090 Laptop GPU vs GeForce RTX 4090 Mobile

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 4090 Laptop GPU vs GeForce RTX 4090 Mobile 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 4090 Laptop GPU vs GeForce RTX 4090 Mobile: 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 4090 Laptop GPU

2023

Why buy it

✅12.6% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 15.0 vs 0 G3D/$ ($1,810 MSRP vs Unknown MSRP).
✅50% more Tensor Cores for AI-powered features like DLSS and frame generation, which can increase overall FPS in supported games (456 vs 304).

Trade-offs

❌254.2% higher power demand at 425W vs 120W.

GeForce RTX 4090 Mobile

2023

Why buy it

✅Draws 120W instead of 425W, a 305W reduction.
✅More future proof: Ada Lovelace (2022−2024) on 4nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than GeForce RTX 4090 Laptop GPU across 50 tracked games in our benchmark data.
❌Fewer Tensor Cores for AI-powered features like DLSS and frame generation (304 vs 456), which can reduce FPS gains in supported games.
❌Lower G3D Mark per dollar, at 0 vs 15.0 G3D/$ (Unknown MSRP vs $1,810 MSRP).

Quick Answers

Which GPU is faster for gaming right now?

GeForce RTX 4090 Laptop GPU is the faster gaming card right now. In our data, it leads by 12.6% in average FPS across 50 tracked games in our benchmark data and by 0.2% in PassMark G3D (27,102 vs 27,048), so the answer here is pretty clean.

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

GeForce RTX 4090 Laptop GPU is the safer long-term pick for 2026 and beyond. The case is simple: 114 vs 76 ray-tracing units. That still leaves it as the safer long-term option on hardware alone.

Which GPU is the better buy today?

GeForce RTX 4090 Laptop GPU makes the most sense today based on the pricing and value data we have for this matchup.

GeForce RTX 4090 Laptop GPU vs GeForce RTX 4090 Mobile Technical Specifications

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

GeForce RTX 4090 Laptop GPU

The GeForce RTX 4090 Laptop GPU is manufactured by NVIDIA. It was released in December 28 2023. It features the Ada Lovelace architecture. The core clock ranges from 2280 MHz to 2520 MHz. It has 14592 shading units. The thermal design power (TDP) is 425W. Manufactured using 5 nm process technology. It features 114 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 27,102 points. Launch price was $1,599.

GeForce RTX 4090 Mobile

The GeForce RTX 4090 Mobile is manufactured by NVIDIA. It was released in January 3 2023. It features the Ada Lovelace architecture. The core clock ranges from 1335 MHz to 1695 MHz. It has 9728 shading units. The thermal design power (TDP) is 120W. Manufactured using 4 nm process technology. It features 76 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 27,048 points.

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Graphics Performance

The GeForce RTX 4090 Laptop GPU scores 27,102 and the GeForce RTX 4090 Mobile reaches 27,048 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The GeForce RTX 4090 Laptop GPU is built on Ada Lovelace while the GeForce RTX 4090 Mobile uses Ada Lovelace, both on 5 nm vs 4 nm. Shader units: 14,592 (GeForce RTX 4090 Laptop GPU) vs 9,728 (GeForce RTX 4090 Mobile). Raw compute: 73.54 TFLOPS (GeForce RTX 4090 Laptop GPU) vs 32.98 TFLOPS (GeForce RTX 4090 Mobile). Boost clocks: 2520 MHz vs 1695 MHz. Ray tracing: 114 RT cores (GeForce RTX 4090 Laptop GPU) vs 76 (GeForce RTX 4090 Mobile) with 456 Tensor cores vs 304.

Feature	GeForce RTX 4090 Laptop GPU	GeForce RTX 4090 Mobile
G3D Mark Score	27,102	27,048
Architecture	Ada Lovelace	Ada Lovelace
Process Node	5 nm	4 nm
Shading Units	14592+50%	9728
Compute (TFLOPS)	73.54 TFLOPS+123%	32.98 TFLOPS
Boost Clock	2520 MHz+49%	1695 MHz
ROPs	176+57%	112
TMUs	456+50%	304
L1 Cache	14.3 MB+51%	9.5 MB
L2 Cache	72 MB+13%	64 MB
Ray Tracing Cores	114+50%	76
Tensor Cores	456+50%	304

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Advanced Features (DLSS/FSR)

Both cards support Frame Generation in supported games, so this part of the feature set is broadly comparable.

Feature	GeForce RTX 4090 Laptop GPU	GeForce RTX 4090 Mobile
Upscaling Tech	DLSS 3.5 Super Resolution	DLSS 3.5 Super Resolution
Frame Generation	DLSS 3.5 + Frame Generation	DLSS 3.5 + Frame Generation
Ray Reconstruction	Yes (DLSS 3.5)	Yes (DLSS 3.5)
Low Latency	NVIDIA Reflex	NVIDIA Reflex

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Video Memory (VRAM)

Both cards ship with 16 GB of GDDR6. Memory bus width is 256-bit on the GeForce RTX 4090 Laptop GPU and 256-bit on the GeForce RTX 4090 Mobile. L2 Cache: 72 MB (GeForce RTX 4090 Laptop GPU) vs 64 MB (GeForce RTX 4090 Mobile) — the GeForce RTX 4090 Laptop GPU has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce RTX 4090 Laptop GPU	GeForce RTX 4090 Mobile
VRAM Capacity	16 GB	16 GB
Memory Type	GDDR6	GDDR6
Memory Bandwidth	576 GB/s	576 GB/s
Bus Width	256-bit	256-bit
L2 Cache	72 MB+13%	64 MB

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Display & API Support

DirectX support: 12 Ultimate (GeForce RTX 4090 Laptop GPU) vs 12.2 (GeForce RTX 4090 Mobile). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 1.

Feature	GeForce RTX 4090 Laptop GPU	GeForce RTX 4090 Mobile
DirectX	12 Ultimate	12.2+2%
Vulkan	1.3	1.3
OpenGL	4.6	4.6
Max Displays	4+300%	1

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Media & Encoding

Hardware encoder: NVENC (9th Gen) (GeForce RTX 4090 Laptop GPU) vs 8th Gen NVENC (GeForce RTX 4090 Mobile). Decoder: NVDEC (6th Gen) vs 5th Gen NVDEC. Supported codecs: H.264,H.265,VP9,AV1 (GeForce RTX 4090 Laptop GPU) vs MPEG-2,H.264,HEVC,VP9,AV1 (GeForce RTX 4090 Mobile).

Feature	GeForce RTX 4090 Laptop GPU	GeForce RTX 4090 Mobile
Encoder	NVENC (9th Gen)	8th Gen NVENC
Decoder	NVDEC (6th Gen)	5th Gen NVDEC
Codecs	H.264,H.265,VP9,AV1	MPEG-2,H.264,HEVC,VP9,AV1

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Power & Dimensions

The GeForce RTX 4090 Laptop GPU draws 425W versus the GeForce RTX 4090 Mobile's 120W — a 111.9% difference. The GeForce RTX 4090 Mobile is more power-efficient. Recommended PSU: 650W (GeForce RTX 4090 Laptop GPU) vs 650W (GeForce RTX 4090 Mobile). Power connectors: Mobile vs Mobile. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 80 vs 80°C.