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 12GB

2022

Why buy it

✅20.7% more Tensor Cores for AI-powered features like DLSS and frame generation, which can increase overall FPS in supported games (280 vs 232).

Trade-offs

❌Lower average FPS than GeForce RTX 4080 Mobile across 50 tracked games in our benchmark data.
❌No equivalent frame-generation stack like DLSS 3.5 + Frame Generation (2023).
❌Weaker long-term outlook: GeForce RTX 4080 Mobile is the safer future-proof pick thanks to newer hardware and better gaming feature support.
❌
10.6% HIGHER MSRP
$1,250 MSRPvs$1,130 MSRP
❌133.3% higher power demand at 350W vs 150W.

GeForce RTX 4080 Mobile

2023

Why buy it

✅0.1% more average FPS across 50 tracked games in our benchmark data.
✅Costs $120 less on MSRP ($1,130 MSRP vs $1,250 MSRP).
✅Access to a newer frame-generation stack with DLSS 3.5 + Frame Generation (2023).
✅More future proof: Ada Lovelace (2022−2024) on 4nm with a newer platform for upcoming games.
✅Draws 150W instead of 350W, a 200W reduction.

Trade-offs

❌Fewer Tensor Cores for AI-powered features like DLSS and frame generation (232 vs 280), which can reduce FPS gains in supported games.

GeForce RTX 3080 12GB

2022

GeForce RTX 4080 Mobile

2023

Why buy it

✅20.7% more Tensor Cores for AI-powered features like DLSS and frame generation, which can increase overall FPS in supported games (280 vs 232).

Why buy it

✅0.1% more average FPS across 50 tracked games in our benchmark data.
✅Costs $120 less on MSRP ($1,130 MSRP vs $1,250 MSRP).
✅Access to a newer frame-generation stack with DLSS 3.5 + Frame Generation (2023).
✅More future proof: Ada Lovelace (2022−2024) on 4nm with a newer platform for upcoming games.
✅Draws 150W instead of 350W, a 200W reduction.

Trade-offs

❌Lower average FPS than GeForce RTX 4080 Mobile across 50 tracked games in our benchmark data.
❌No equivalent frame-generation stack like DLSS 3.5 + Frame Generation (2023).
❌Weaker long-term outlook: GeForce RTX 4080 Mobile is the safer future-proof pick thanks to newer hardware and better gaming feature support.
❌
10.6% HIGHER MSRP
$1,250 MSRPvs$1,130 MSRP
❌133.3% higher power demand at 350W vs 150W.

Trade-offs

❌Fewer Tensor Cores for AI-powered features like DLSS and frame generation (232 vs 280), which can reduce FPS gains in supported games.

Quick Answers

So, is GeForce RTX 4080 Mobile better than GeForce RTX 3080 12GB?

Yes, but this is not really about a huge raw performance gap. GeForce RTX 4080 Mobile averages 0.1% more FPS across 50 tracked games in our benchmark data. The broader synthetic picture is also very close at 26,569 vs 24,805 in G3D Mark. The bigger reason to prefer GeForce RTX 4080 Mobile is the overall package: you are getting a newer generation, DLSS 3.5 + Frame Generation, plus much lower power draw (150W vs 350W).

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

GeForce RTX 4080 Mobile is the more future-proof choice for 2026 and beyond. You are getting a newer 2023 generation instead of 2022, 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 broader feature stack should age better as more games lean on modern upscaling and frame-generation support.

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

GeForce RTX 4080 Mobile can still make sense if you find it at the right price, especially around $1,130 MSRP. GeForce RTX 4080 Mobile is still the smarter buy for most people, though, because the raw performance is close while the overall package is cleaner. GeForce RTX 4080 Mobile is about $120 cheaper on MSRP at $1,130 MSRP versus $1,250 MSRP, and you are getting 0.1% more estimated average FPS across 50 tracked games in our benchmark data and a lower G3D Mark (24,805 vs 26,569). Moving to $1,130 MSRP gets you newer hardware, lower power draw (150W vs 350W), and DLSS 3.5 + Frame Generation.

Is GeForce RTX 3080 12GB still worth buying for gaming in 2026?

Yes. GeForce RTX 3080 12GB is still a strong gaming card in 2026: it is excellent for 1080p, very strong for 1440p, and still capable at 4K with sensible settings or upscaling. Price is really the swing factor here. If you find it at or below $1,250 MSRP, it remains a very sensible buy. GeForce RTX 4080 Mobile is still the safer recommendation for most fresh builds because it offers a cleaner overall package with newer hardware and DLSS 3.5 + Frame Generation.

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 12GB Benchmark Check

GeForce RTX 4080 Mobile Benchmark Check

Path of Exile 2

Preset	GeForce RTX 3080 12GB	GeForce RTX 4080 Mobile
1080p
low	165 FPS	174 FPS
medium	150 FPS	158 FPS
high	132 FPS	140 FPS
ultra	113 FPS	123 FPS
1440p
low	139 FPS	145 FPS
medium	115 FPS	120 FPS
high	98 FPS	104 FPS
ultra	85 FPS	93 FPS
4K
low	80 FPS	87 FPS
medium	67 FPS	73 FPS
high	51 FPS	58 FPS
ultra	45 FPS	51 FPS

Open GeForce RTX 3080 12GB Open GeForce RTX 4080 Mobile

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	GeForce RTX 3080 12GB	GeForce RTX 4080 Mobile
1080p
low	553 FPS	422 FPS
medium	473 FPS	365 FPS
high	383 FPS	295 FPS
ultra	345 FPS	259 FPS
1440p
low	415 FPS	326 FPS
medium	344 FPS	272 FPS
high	273 FPS	222 FPS
ultra	233 FPS	186 FPS
4K
low	198 FPS	179 FPS
medium	168 FPS	155 FPS
high	144 FPS	132 FPS
ultra	120 FPS	108 FPS

Open GeForce RTX 3080 12GB Open GeForce RTX 4080 Mobile

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	GeForce RTX 3080 12GB	GeForce RTX 4080 Mobile
1080p
low	892 FPS	885 FPS
medium	724 FPS	722 FPS
high	631 FPS	634 FPS
ultra	551 FPS	550 FPS
1440p
low	705 FPS	696 FPS
medium	567 FPS	564 FPS
high	484 FPS	483 FPS
ultra	416 FPS	413 FPS
4K
low	485 FPS	474 FPS
medium	394 FPS	385 FPS
high	331 FPS	329 FPS
ultra	275 FPS	267 FPS

Open GeForce RTX 3080 12GB Open GeForce RTX 4080 Mobile

League of Legends

League of Legends

Valorant

Preset	GeForce RTX 3080 12GB	GeForce RTX 4080 Mobile
1080p
low	456 FPS	467 FPS
medium	413 FPS	410 FPS
high	339 FPS	345 FPS
ultra	295 FPS	303 FPS
1440p
low	366 FPS	387 FPS
medium	334 FPS	342 FPS
high	273 FPS	285 FPS
ultra	233 FPS	244 FPS
4K
low	245 FPS	245 FPS
medium	226 FPS	221 FPS
high	191 FPS	188 FPS
ultra	166 FPS	163 FPS

Open GeForce RTX 3080 12GB Open GeForce RTX 4080 Mobile

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce RTX 3080 12GB and GeForce RTX 4080 Mobile

GeForce RTX 3080 12GB

The GeForce RTX 3080 12GB is manufactured by NVIDIA. It was released in January 11 2022. It features the Ampere architecture. The core clock ranges from 1260 MHz to 1710 MHz. It has 8960 shading units. The thermal design power (TDP) is 350W. Manufactured using 8 nm process technology. It features 70 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,569 points. Launch price was $799.

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.

⚡

Graphics Performance

In G3D Mark, the GeForce RTX 3080 12GB scores 26,569 versus the GeForce RTX 4080 Mobile's 24,805 — the GeForce RTX 3080 12GB leads by 7.1%. The GeForce RTX 3080 12GB is built on Ampere while the GeForce RTX 4080 Mobile uses Ada Lovelace, both on 8 nm vs 4 nm. Shader units: 8,960 (GeForce RTX 3080 12GB) vs 7,424 (GeForce RTX 4080 Mobile). Raw compute: 30.64 TFLOPS (GeForce RTX 3080 12GB) vs 24.72 TFLOPS (GeForce RTX 4080 Mobile). Boost clocks: 1710 MHz vs 2010 MHz. Ray tracing: 70 RT cores (GeForce RTX 3080 12GB) vs 58 (GeForce RTX 4080 Mobile) with 280 Tensor cores vs 232.

Feature	GeForce RTX 3080 12GB	GeForce RTX 4080 Mobile
G3D Mark Score	26,569+7%	24,805
Architecture	Ampere	Ada Lovelace
Process Node	8 nm	4 nm
Shading Units	8960+21%	7424
Compute (TFLOPS)	30.64 TFLOPS+24%	24.72 TFLOPS
Boost Clock	1710 MHz	2010 MHz+18%
ROPs	96+20%	80
TMUs	280+21%	232
L1 Cache	8.8 MB+21%	7.3 MB
L2 Cache	6 MB	48 MB+700%
Ray Tracing Cores	70+21%	58
Tensor Cores	280+21%	232

✨

Advanced Features (DLSS/FSR)

A critical advantage for the GeForce RTX 4080 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 12GB lacks specific hardware/driver support for this native frame generation tier.The GeForce RTX 4080 Mobile supports the newer DLSS 3.5 Super Resolution, whereas the GeForce RTX 3080 12GB is capped at DLSS 2 Super Resolution.

Feature	GeForce RTX 3080 12GB	GeForce RTX 4080 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)

Both cards feature 12 GB of video memory. Memory bandwidth: 912 GB/s (GeForce RTX 3080 12GB) vs 432 GB/s (GeForce RTX 4080 Mobile) — a 111.1% advantage for the GeForce RTX 3080 12GB. Bus width: 384-bit vs 192-bit. L2 Cache: 6 MB (GeForce RTX 3080 12GB) vs 48 MB (GeForce RTX 4080 Mobile) — the GeForce RTX 4080 Mobile has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce RTX 3080 12GB	GeForce RTX 4080 Mobile
VRAM Capacity	12 GB	12 GB
Memory Type	GDDR6X	GDDR6
Memory Bandwidth	912 GB/s+111%	432 GB/s
Bus Width	384-bit+100%	192-bit
L2 Cache	6 MB	48 MB+700%

🖥️

Display & API Support

DirectX support: 12 Ultimate (GeForce RTX 3080 12GB) vs 12.2 (GeForce RTX 4080 Mobile). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 1.

Feature	GeForce RTX 3080 12GB	GeForce RTX 4080 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 12GB) vs 8th Gen NVENC (GeForce RTX 4080 Mobile). Decoder: NVDEC 5th gen vs 5th Gen NVDEC. Supported codecs: H.264,H.265/HEVC,AV1 (GeForce RTX 3080 12GB) vs MPEG-2,H.264,HEVC,VP9,AV1 (GeForce RTX 4080 Mobile).

Feature	GeForce RTX 3080 12GB	GeForce RTX 4080 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 12GB draws 350W versus the GeForce RTX 4080 Mobile's 150W — a 80% difference. The GeForce RTX 4080 Mobile is more power-efficient. Recommended PSU: 750W (GeForce RTX 3080 12GB) vs 650W (GeForce RTX 4080 Mobile). Power connectors: 2x 8-pin vs Mobile. Card length: 285mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 80°C vs 80°C.

Feature	GeForce RTX 3080 12GB	GeForce RTX 4080 Mobile
TDP	350W	150W-57%
Recommended PSU	750W	650W-13%
Power Connector	2x 8-pin	Mobile
Length	285mm	0mm
Height	112mm	0mm
Slots	2	0-100%
Temp (Load)	80°C	80°C
Perf/Watt	75.9	165.4+118%

💰

Value Analysis

The GeForce RTX 3080 12GB launched at $1250 MSRP, while the GeForce RTX 4080 Mobile launched at $1130. The GeForce RTX 4080 Mobile costs 9.6% less ($120 savings) on MSRP. Performance per dollar on MSRP (G3D Mark / MSRP): 21.3 (GeForce RTX 3080 12GB) vs 22.0 (GeForce RTX 4080 Mobile) — the GeForce RTX 4080 Mobile offers 3.3% better value. The GeForce RTX 4080 Mobile is the newer GPU (2023 vs 2022).