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

✅132.8% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 22.4 vs 0 G3D/$ ($1,199 MSRP vs Unknown MSRP).

Trade-offs

❌Less VRAM, with 12 GB vs 24 GB for high-resolution textures and newer games.
❌No equivalent frame-generation stack like DLSS 4 Multi Frame Generation (2025).
❌Weaker long-term outlook: GeForce RTX 5090 Mobile is the safer future-proof pick thanks to newer hardware and better gaming feature support.
❌268.4% higher power demand at 350W vs 95W.

GeForce RTX 5090 Mobile

2025

Why buy it

✅Access to a newer frame-generation stack with DLSS 4 Multi Frame Generation (2025).
✅100% more VRAM for high-resolution textures and newer games (24 GB vs 12 GB).
✅More future proof: Blackwell (2024−2025) on 4nm with a newer platform for upcoming games.
✅Draws 95W instead of 350W, a 255W reduction.

Trade-offs

❌Lower average FPS than GeForce RTX 3080 Ti across 50 tracked games in our benchmark data.
❌Lower G3D Mark per dollar, at 0 vs 22.4 G3D/$ (Unknown MSRP vs $1,199 MSRP).

GeForce RTX 3080 Ti

2021

GeForce RTX 5090 Mobile

2025

Why buy it

✅132.8% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 22.4 vs 0 G3D/$ ($1,199 MSRP vs Unknown MSRP).

Why buy it

✅Access to a newer frame-generation stack with DLSS 4 Multi Frame Generation (2025).
✅100% more VRAM for high-resolution textures and newer games (24 GB vs 12 GB).
✅More future proof: Blackwell (2024−2025) on 4nm with a newer platform for upcoming games.
✅Draws 95W instead of 350W, a 255W reduction.

Trade-offs

❌Less VRAM, with 12 GB vs 24 GB for high-resolution textures and newer games.
❌No equivalent frame-generation stack like DLSS 4 Multi Frame Generation (2025).
❌Weaker long-term outlook: GeForce RTX 5090 Mobile is the safer future-proof pick thanks to newer hardware and better gaming feature support.
❌268.4% higher power demand at 350W vs 95W.

Trade-offs

❌Lower average FPS than GeForce RTX 3080 Ti across 50 tracked games in our benchmark data.
❌Lower G3D Mark per dollar, at 0 vs 22.4 G3D/$ (Unknown MSRP vs $1,199 MSRP).

Quick Answers

So, is GeForce RTX 5090 Mobile better than GeForce RTX 3080 Ti?

Yes. GeForce RTX 5090 Mobile is clearly the better overall GPU here. GeForce RTX 3080 Ti averages 132.8% more FPS across 50 tracked games in our benchmark data. You are also looking at 28,280 vs 26,861 in G3D Mark. On top of that, GeForce RTX 5090 Mobile is a 2025 card with DLSS 4 + Multi Frame Gen, while GeForce RTX 3080 Ti is a 2021 model from an older generation with DLSS Super Resolution. So this is not really a tight same-tier comparison. It is more a modern card against an older, weaker alternative.

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

GeForce RTX 5090 Mobile is the more future-proof choice for 2026 and beyond. You are getting a newer 2025 generation instead of 2021, more VRAM at 24 GB instead of 12 GB, better upscaling support with DLSS 4 Super Resolution (2025) instead of DLSS 2 Super Resolution (2020) and better frame-generation support with DLSS 4 Multi Frame Generation (2025) 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 5090 Mobile is priced in an unclear MSRP range at an unclear MSRP versus $1,199 MSRP, and you are getting lower estimated average FPS across 50 tracked games in our benchmark data and 5.3% 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 5090 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 5090 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 5090 Mobile Benchmark Check

Path of Exile 2

Preset	GeForce RTX 3080 Ti	GeForce RTX 5090 Mobile
1080p
low	200 FPS	149 FPS
medium	183 FPS	133 FPS
high	155 FPS	107 FPS
ultra	129 FPS	76 FPS
1440p
low	176 FPS	136 FPS
medium	145 FPS	115 FPS
high	118 FPS	81 FPS
ultra	103 FPS	57 FPS
4K
low	108 FPS	60 FPS
medium	91 FPS	53 FPS
high	66 FPS	35 FPS
ultra	56 FPS	31 FPS

Open GeForce RTX 3080 Ti Open GeForce RTX 5090 Mobile

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	GeForce RTX 3080 Ti	GeForce RTX 5090 Mobile
1080p
low	636 FPS	167 FPS
medium	551 FPS	125 FPS
high	438 FPS	86 FPS
ultra	382 FPS	60 FPS
1440p
low	464 FPS	110 FPS
medium	399 FPS	71 FPS
high	316 FPS	51 FPS
ultra	263 FPS	39 FPS
4K
low	222 FPS	54 FPS
medium	188 FPS	37 FPS
high	158 FPS	30 FPS
ultra	133 FPS	22 FPS

Open GeForce RTX 3080 Ti Open GeForce RTX 5090 Mobile

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	GeForce RTX 3080 Ti	GeForce RTX 5090 Mobile
1080p
low	903 FPS	670 FPS
medium	739 FPS	533 FPS
high	659 FPS	458 FPS
ultra	573 FPS	398 FPS
1440p
low	710 FPS	478 FPS
medium	581 FPS	390 FPS
high	506 FPS	330 FPS
ultra	434 FPS	276 FPS
4K
low	489 FPS	307 FPS
medium	404 FPS	250 FPS
high	348 FPS	191 FPS
ultra	289 FPS	141 FPS

Open GeForce RTX 3080 Ti Open GeForce RTX 5090 Mobile

League of Legends

League of Legends

Valorant

Preset	GeForce RTX 3080 Ti	GeForce RTX 5090 Mobile
1080p
low	821 FPS	214 FPS
medium	763 FPS	183 FPS
high	673 FPS	148 FPS
ultra	604 FPS	123 FPS
1440p
low	656 FPS	170 FPS
medium	606 FPS	147 FPS
high	532 FPS	114 FPS
ultra	453 FPS	94 FPS
4K
low	475 FPS	92 FPS
medium	441 FPS	73 FPS
high	395 FPS	59 FPS
ultra	302 FPS	48 FPS

Open GeForce RTX 3080 Ti Open GeForce RTX 5090 Mobile

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce RTX 3080 Ti and GeForce RTX 5090 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 5090 Mobile

The GeForce RTX 5090 Mobile is manufactured by NVIDIA. It was released in January 2 2025. It features the Blackwell 2.0 architecture. The core clock ranges from 990 MHz to 1515 MHz. It has 10496 shading units. The thermal design power (TDP) is 95W. Manufactured using 4 nm process technology. G3D Mark benchmark score: 28,280 points.

⚡

Graphics Performance

In G3D Mark, the GeForce RTX 3080 Ti scores 26,861 versus the GeForce RTX 5090 Mobile's 28,280 — the GeForce RTX 5090 Mobile leads by 5.3%. The GeForce RTX 3080 Ti is built on Ampere while the GeForce RTX 5090 Mobile uses Blackwell 2.0, both on 8 nm vs 4 nm. Shader units: 10,240 (GeForce RTX 3080 Ti) vs 10,496 (GeForce RTX 5090 Mobile). Boost clocks: 1665 MHz vs 1515 MHz.

Feature	GeForce RTX 3080 Ti	GeForce RTX 5090 Mobile
G3D Mark Score	26,861	28,280+5%
Architecture	Ampere	Blackwell 2.0
Process Node	8 nm	4 nm
Shading Units	10240	10496+3%
Boost Clock	1665 MHz+10%	1515 MHz

✨

Advanced Features (DLSS/FSR)

A critical advantage for the GeForce RTX 5090 Mobile is support for DLSS 4 Multi 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 5090 Mobile supports the newer DLSS 4 Super Resolution, whereas the GeForce RTX 3080 Ti is capped at DLSS 2 Super Resolution.

Feature	GeForce RTX 3080 Ti	GeForce RTX 5090 Mobile
Upscaling Tech	DLSS 2 Super Resolution	DLSS 4 Super Resolution
Frame Generation	Not Supported	DLSS 4 Multi Frame Generation
Ray Reconstruction	No	Yes (DLSS 4)
Low Latency	NVIDIA Reflex	NVIDIA Reflex

💾

Video Memory (VRAM)

The GeForce RTX 3080 Ti comes with 12 GB of VRAM, while the GeForce RTX 5090 Mobile has 24 GB. The GeForce RTX 5090 Mobile offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 912 GB/s (GeForce RTX 3080 Ti) vs 896 GB/s (GeForce RTX 5090 Mobile) — a 1.8% advantage for the GeForce RTX 3080 Ti. Bus width: 384-bit vs 256-bit.

Feature	GeForce RTX 3080 Ti	GeForce RTX 5090 Mobile
VRAM Capacity	12 GB	24 GB+100%
Memory Type	GDDR6X	GDDR6
Memory Bandwidth	912 GB/s+2%	896 GB/s
Bus Width	384-bit+50%	256-bit

🖥️

Display & API Support

DirectX support: 12 Ultimate (GeForce RTX 3080 Ti) vs 12 Ultimate (12_2) (GeForce RTX 5090 Mobile). Vulkan: 1.4 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

Feature	GeForce RTX 3080 Ti	GeForce RTX 5090 Mobile
DirectX	12 Ultimate	12 Ultimate (12_2)
Vulkan	1.4	1.4
OpenGL	4.6	4.6
Max Displays	4	4

🎬

Media & Encoding

Hardware encoder: NVENC 7th gen (GeForce RTX 3080 Ti) vs NVENC (Blackwell) (GeForce RTX 5090 Mobile). Decoder: NVDEC 5th gen vs NVDEC (Blackwell). Supported codecs: H.264,H.265/HEVC,AV1 (GeForce RTX 3080 Ti) vs H.264,H.265,AV1,VP9 (GeForce RTX 5090 Mobile).

Feature	GeForce RTX 3080 Ti	GeForce RTX 5090 Mobile
Encoder	NVENC 7th gen	NVENC (Blackwell)
Decoder	NVDEC 5th gen	NVDEC (Blackwell)
Codecs	H.264,H.265/HEVC,AV1	H.264,H.265,AV1,VP9

🔌

Power & Dimensions

The GeForce RTX 3080 Ti draws 350W versus the GeForce RTX 5090 Mobile's 95W — a 114.6% difference. The GeForce RTX 5090 Mobile is more power-efficient. Recommended PSU: 750W (GeForce RTX 3080 Ti) vs 650W (GeForce RTX 5090 Mobile). Power connectors: 2x 8-pin vs PCIe-powered. Card length: 285mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 85°C vs 85.

Feature	GeForce RTX 3080 Ti	GeForce RTX 5090 Mobile
TDP	350W	95W-73%
Recommended PSU	750W	650W-13%
Power Connector	2x 8-pin	PCIe-powered
Length	285mm	0mm
Height	112mm	0mm
Slots	2	0-100%
Temp (Load)	85°C	85
Perf/Watt	76.7	297.7+288%