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 3080 Ti

2021

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 22.4 vs 0 G3D/$ ($1,199 MSRP vs Unknown MSRP).
✅5.3% more Tensor Cores for AI-powered features like DLSS and frame generation, which can increase overall FPS in supported games (320 vs 304).

Trade-offs

❌Lower average FPS than GeForce RTX 4090 Mobile across 50 tracked games in our benchmark data.
❌Less VRAM, with 12 GB vs 16 GB for high-resolution textures and newer games.
❌No equivalent frame-generation stack like DLSS 3.5 + Frame Generation (2023).
❌Weaker long-term outlook: GeForce RTX 4090 Mobile is the safer future-proof pick thanks to newer hardware and better gaming feature support.
❌191.7% higher power demand at 350W vs 120W.

GeForce RTX 4090 Mobile

2023

Why buy it

✅10.4% more average FPS across 50 tracked games in our benchmark data.
✅Access to a newer frame-generation stack with DLSS 3.5 + Frame Generation (2023).
✅33.3% more VRAM for high-resolution textures and newer games (16 GB vs 12 GB).
✅More future proof: Ada Lovelace (2022−2024) on 4nm with a newer platform for upcoming games.
✅Draws 120W instead of 350W, a 230W reduction.

Trade-offs

❌Fewer Tensor Cores for AI-powered features like DLSS and frame generation (304 vs 320), which can reduce FPS gains in supported games.
❌Lower G3D Mark per dollar, at 0 vs 22.4 G3D/$ (Unknown MSRP vs $1,199 MSRP).

GeForce RTX 3080 Ti

2021

GeForce RTX 4090 Mobile

2023

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 22.4 vs 0 G3D/$ ($1,199 MSRP vs Unknown MSRP).
✅5.3% more Tensor Cores for AI-powered features like DLSS and frame generation, which can increase overall FPS in supported games (320 vs 304).

Why buy it

✅10.4% more average FPS across 50 tracked games in our benchmark data.
✅Access to a newer frame-generation stack with DLSS 3.5 + Frame Generation (2023).
✅33.3% more VRAM for high-resolution textures and newer games (16 GB vs 12 GB).
✅More future proof: Ada Lovelace (2022−2024) on 4nm with a newer platform for upcoming games.
✅Draws 120W instead of 350W, a 230W reduction.

Trade-offs

❌Lower average FPS than GeForce RTX 4090 Mobile across 50 tracked games in our benchmark data.
❌Less VRAM, with 12 GB vs 16 GB for high-resolution textures and newer games.
❌No equivalent frame-generation stack like DLSS 3.5 + Frame Generation (2023).
❌Weaker long-term outlook: GeForce RTX 4090 Mobile is the safer future-proof pick thanks to newer hardware and better gaming feature support.
❌191.7% higher power demand at 350W vs 120W.

Trade-offs

❌Fewer Tensor Cores for AI-powered features like DLSS and frame generation (304 vs 320), which can reduce FPS gains in supported games.
❌Lower G3D Mark per dollar, at 0 vs 22.4 G3D/$ (Unknown MSRP vs $1,199 MSRP).

Quick Answers

So, is GeForce RTX 4090 Mobile better than GeForce RTX 3080 Ti?

Yes. GeForce RTX 4090 Mobile is the better GPU overall here. You are getting 10.4% more average FPS across 50 tracked games in our benchmark data, 0.7% higher PassMark G3D performance, and 16 GB vs 12 GB of VRAM. It also comes from 2023 instead of 2021, which helps its case as the more complete modern gaming card.

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

GeForce RTX 4090 Mobile is the more future-proof choice for 2026 and beyond. You are getting a newer 2023 generation instead of 2021, more VRAM at 16 GB instead of 12 GB, better upscaling support with DLSS 3.5 Super Resolution (2023) instead of DLSS 2 Super Resolution (2020) and better frame-generation support with DLSS 3.5 + Frame Generation (2023) instead of DLSS Super Resolution, and a 4nm process instead of 8nm. That extra memory headroom makes it the safer pick for newer games, heavier textures, and higher settings over time.

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

GeForce RTX 4090 Mobile is priced in an unclear MSRP range at an unclear MSRP versus $1,199 MSRP, and you are getting 10.4% more estimated average FPS across 50 tracked games in our benchmark data and 0.7% higher G3D Mark. GeForce RTX 3080 Ti still holds the G3D-per-dollar lead, so the performance win comes with a real value premium. If you are comfortable paying the premium for the stronger gaming result, GeForce RTX 4090 Mobile is the one to buy. If staying closer to budget matters more, GeForce RTX 3080 Ti still makes more sense on price alone and remains capable enough for modern gaming.

Is GeForce RTX 3080 Ti still worth buying for gaming in 2026?

Yes. GeForce RTX 3080 Ti is still a strong gaming GPU in 2026: it is excellent for 1080p, very strong for 1440p, and still capable at 4K with sensible settings or upscaling. This mostly comes down to price. If you want to stay closer to $1,199 MSRP, it remains a strong choice; if you are comfortable paying more, GeForce RTX 4090 Mobile earns that extra money with a clearly stronger gaming result and a more complete overall package.

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 3080 Ti Benchmark Check

GeForce RTX 4090 Mobile Benchmark Check

Path of Exile 2

Preset	GeForce RTX 3080 Ti	GeForce RTX 4090 Mobile
1080p
low	200 FPS	204 FPS
medium	183 FPS	190 FPS
high	155 FPS	163 FPS
ultra	129 FPS	149 FPS
1440p
low	176 FPS	188 FPS
medium	145 FPS	159 FPS
high	118 FPS	128 FPS
ultra	103 FPS	118 FPS
4K
low	108 FPS	123 FPS
medium	91 FPS	102 FPS
high	66 FPS	76 FPS
ultra	56 FPS	70 FPS

Open GeForce RTX 3080 Ti Open GeForce RTX 4090 Mobile

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	GeForce RTX 3080 Ti	GeForce RTX 4090 Mobile
1080p
low	636 FPS	501 FPS
medium	551 FPS	438 FPS
high	438 FPS	353 FPS
ultra	382 FPS	296 FPS
1440p
low	464 FPS	383 FPS
medium	399 FPS	332 FPS
high	316 FPS	268 FPS
ultra	263 FPS	220 FPS
4K
low	222 FPS	214 FPS
medium	188 FPS	187 FPS
high	158 FPS	159 FPS
ultra	133 FPS	131 FPS

Open GeForce RTX 3080 Ti Open GeForce RTX 4090 Mobile

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	GeForce RTX 3080 Ti	GeForce RTX 4090 Mobile
1080p
low	903 FPS	884 FPS
medium	739 FPS	735 FPS
high	659 FPS	661 FPS
ultra	573 FPS	570 FPS
1440p
low	710 FPS	697 FPS
medium	581 FPS	577 FPS
high	506 FPS	508 FPS
ultra	434 FPS	433 FPS
4K
low	489 FPS	474 FPS
medium	404 FPS	396 FPS
high	348 FPS	347 FPS
ultra	289 FPS	282 FPS

Open GeForce RTX 3080 Ti Open GeForce RTX 4090 Mobile

League of Legends

League of Legends

Valorant

Preset	GeForce RTX 3080 Ti	GeForce RTX 4090 Mobile
1080p
low	821 FPS	723 FPS
medium	763 FPS	655 FPS
high	673 FPS	573 FPS
ultra	604 FPS	528 FPS
1440p
low	656 FPS	581 FPS
medium	606 FPS	520 FPS
high	532 FPS	456 FPS
ultra	453 FPS	408 FPS
4K
low	475 FPS	400 FPS
medium	441 FPS	364 FPS
high	395 FPS	334 FPS
ultra	302 FPS	296 FPS

Open GeForce RTX 3080 Ti Open GeForce RTX 4090 Mobile

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce RTX 3080 Ti and GeForce RTX 4090 Mobile

GeForce RTX 3080 Ti

The GeForce RTX 3080 Ti is manufactured by NVIDIA. It was released in May 31 2021. It features the Ampere architecture. The core clock ranges from 1365 MHz to 1665 MHz. It has 10240 shading units. The thermal design power (TDP) is 350W. Manufactured using 8 nm process technology. It features 80 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,861 points. Launch price was $1,199.

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.

⚡

Graphics Performance

The GeForce RTX 3080 Ti scores 26,861 and the GeForce RTX 4090 Mobile reaches 27,048 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The GeForce RTX 3080 Ti is built on Ampere while the GeForce RTX 4090 Mobile uses Ada Lovelace, both on 8 nm vs 4 nm. Shader units: 10,240 (GeForce RTX 3080 Ti) vs 9,728 (GeForce RTX 4090 Mobile). Raw compute: 34.1 TFLOPS (GeForce RTX 3080 Ti) vs 32.98 TFLOPS (GeForce RTX 4090 Mobile). Boost clocks: 1665 MHz vs 1695 MHz. Ray tracing: 80 RT cores (GeForce RTX 3080 Ti) vs 76 (GeForce RTX 4090 Mobile) with 320 Tensor cores vs 304.

Feature	GeForce RTX 3080 Ti	GeForce RTX 4090 Mobile
G3D Mark Score	26,861	27,048
Architecture	Ampere	Ada Lovelace
Process Node	8 nm	4 nm
Shading Units	10240+5%	9728
Compute (TFLOPS)	34.1 TFLOPS+3%	32.98 TFLOPS
Boost Clock	1665 MHz	1695 MHz+2%
ROPs	112	112
TMUs	320+5%	304
L1 Cache	10 MB+5%	9.5 MB
L2 Cache	6 MB	64 MB+967%
Ray Tracing Cores	80+5%	76
Tensor Cores	320+5%	304

✨

Advanced Features (DLSS/FSR)

A critical advantage for the GeForce RTX 4090 Mobile is support for DLSS 3.5 + Frame Generation. 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 RTX 3080 Ti lacks specific hardware/driver support for this native frame generation tier.The GeForce RTX 4090 Mobile supports the newer DLSS 3.5 Super Resolution, whereas the GeForce RTX 3080 Ti is capped at DLSS 2 Super Resolution.

Feature	GeForce RTX 3080 Ti	GeForce RTX 4090 Mobile
Upscaling Tech	DLSS 2 Super Resolution	DLSS 3.5 Super Resolution
Frame Generation	Not Supported	DLSS 3.5 + Frame Generation
Ray Reconstruction	No	Yes (DLSS 3.5)
Low Latency	NVIDIA Reflex	NVIDIA Reflex

💾

Video Memory (VRAM)

The GeForce RTX 3080 Ti comes with 12 GB of VRAM, while the GeForce RTX 4090 Mobile has 16 GB. The GeForce RTX 4090 Mobile offers 33.3% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 912 GB/s (GeForce RTX 3080 Ti) vs 576 GB/s (GeForce RTX 4090 Mobile) — a 58.3% advantage for the GeForce RTX 3080 Ti. Bus width: 384-bit vs 256-bit. L2 Cache: 6 MB (GeForce RTX 3080 Ti) vs 64 MB (GeForce RTX 4090 Mobile) — the GeForce RTX 4090 Mobile has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce RTX 3080 Ti	GeForce RTX 4090 Mobile
VRAM Capacity	12 GB	16 GB+33%
Memory Type	GDDR6X	GDDR6
Memory Bandwidth	912 GB/s+58%	576 GB/s
Bus Width	384-bit+50%	256-bit
L2 Cache	6 MB	64 MB+967%

🖥️

Display & API Support

DirectX support: 12 Ultimate (GeForce RTX 3080 Ti) vs 12.2 (GeForce RTX 4090 Mobile). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 1.

Feature	GeForce RTX 3080 Ti	GeForce RTX 4090 Mobile
DirectX	12 Ultimate	12.2+2%
Vulkan	1.4+8%	1.3
OpenGL	4.6	4.6
Max Displays	4+300%	1

🎬

Media & Encoding

Hardware encoder: NVENC 7th gen (GeForce RTX 3080 Ti) vs 8th Gen NVENC (GeForce RTX 4090 Mobile). Decoder: NVDEC 5th gen vs 5th Gen NVDEC. Supported codecs: H.264,H.265/HEVC,AV1 (GeForce RTX 3080 Ti) vs MPEG-2,H.264,HEVC,VP9,AV1 (GeForce RTX 4090 Mobile).

Feature	GeForce RTX 3080 Ti	GeForce RTX 4090 Mobile
Encoder	NVENC 7th gen	8th Gen NVENC
Decoder	NVDEC 5th gen	5th Gen NVDEC
Codecs	H.264,H.265/HEVC,AV1	MPEG-2,H.264,HEVC,VP9,AV1

🔌

Power & Dimensions

The GeForce RTX 3080 Ti draws 350W versus the GeForce RTX 4090 Mobile's 120W — a 97.9% difference. The GeForce RTX 4090 Mobile is more power-efficient. Recommended PSU: 750W (GeForce RTX 3080 Ti) vs 650W (GeForce RTX 4090 Mobile). Power connectors: 2x 8-pin vs Mobile. Card length: 285mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 85°C vs 80°C.

Feature	GeForce RTX 3080 Ti	GeForce RTX 4090 Mobile
TDP	350W	120W-66%
Recommended PSU	750W	650W-13%
Power Connector	2x 8-pin	Mobile
Length	285mm	0mm
Height	112mm	0mm
Slots	2	0-100%
Temp (Load)	85°C	80°C-6%
Perf/Watt	76.7	225.4+194%