GeForce RTX 3080 12GB vs GeForce RTX 3090

NVIDIA

GeForce RTX 3080 12GB

2022Core: 1260 MHzBoost: 1710 MHz

Popular choices:

VS
NVIDIA

GeForce RTX 3090

2020Core: 1395 MHzBoost: 1695 MHz

Popular choices:

Performance Spectrum - GPU

About G3D Mark

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

  • Costs $249 less on MSRP ($1,250 MSRP vs $1,499 MSRP).
  • Delivers 19.8% more G3D Mark for each dollar spent, at 21.3 vs 17.7 G3D/$ ($1,250 MSRP vs $1,499 MSRP).
  • More future proof: Ampere (2020−2025) on 8nm with a newer platform for upcoming games.

Trade-offs

  • Lower average FPS than GeForce RTX 3090 across 50 tracked games in our benchmark data.
  • Less VRAM, with 12 GB vs 24 GB for high-resolution textures and newer games.
  • Fewer Tensor Cores for AI-powered features like DLSS and frame generation (280 vs 328), which can reduce FPS gains in supported games.

GeForce RTX 3090

2020

Why buy it

  • 24.1% more average FPS across 50 tracked games in our benchmark data.
  • 17.1% more Tensor Cores for AI-powered features like DLSS and frame generation, which can increase overall FPS in supported games (328 vs 280).
  • 100% more VRAM for high-resolution textures and newer games (24 GB vs 12 GB).

Trade-offs

  • Weaker long-term outlook: GeForce RTX 3080 12GB is the safer future-proof pick thanks to newer hardware and better gaming feature support.
  • 19.9% HIGHER MSRP
    $1,499 MSRPvs$1,250 MSRP
  • Lower G3D Mark per dollar, at 17.7 vs 21.3 G3D/$ ($1,499 MSRP vs $1,250 MSRP).

Quick Answers

So, is GeForce RTX 3090 better than GeForce RTX 3080 12GB?
Yes. GeForce RTX 3090 is the better GPU overall here. You are getting 24.1% more average FPS across 50 tracked games in our benchmark data, 0.1% higher PassMark G3D performance, 328 vs 280 Tensor cores, and 24 GB vs 12 GB of VRAM. It also comes from 2020 instead of 2022, which helps its case as the more complete modern gaming card.
Which one is more future-proof for 2026 and beyond?
GeForce RTX 3080 12GB is the more future-proof choice for 2026 and beyond. You are getting a newer 2022 generation instead of 2020. That makes it the safer long-run choice for modern games.
Which one is the smarter buy today, not just the cheaper card?
GeForce RTX 3080 12GB is easier to justify on price alone at $1,250 MSRP, but GeForce RTX 3090 is still the stronger gaming card overall. GeForce RTX 3090 is about 19.9% more expensive on MSRP at $1,499 MSRP versus $1,250 MSRP, and you are getting 24.1% more estimated average FPS across 50 tracked games in our benchmark data and 0.1% higher G3D Mark. GeForce RTX 3080 12GB still holds the G3D-per-dollar lead, so the performance win comes with a real value premium. Go with GeForce RTX 3090 if you want the better experience; go with GeForce RTX 3080 12GB if keeping cost down matters more than squeezing out the highest performance.
When does GeForce RTX 3080 12GB make more sense than GeForce RTX 3090?
Yes. GeForce RTX 3080 12GB is still an excellent gaming GPU in 2026: it is excellent for 1080p, very strong for 1440p, and still capable at 4K with sensible settings or upscaling. It makes more sense if your priority is newer architecture, future-proofing, and staying closer to $1,250 MSRP more than squeezing out the extra headroom of GeForce RTX 3090. The trade-off is that GeForce RTX 3090 currently gives you 0.1% higher G3D Mark and 24.1% more estimated average FPS across 50 tracked games in our benchmark data. GeForce RTX 3080 12GB still holds the G3D-per-dollar lead, so the performance win comes with a real value premium.

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.

Path of Exile 2

Path of Exile 2

PresetGeForce RTX 3080 12GBGeForce RTX 3090
1080p
low165 FPS259 FPS
medium150 FPS240 FPS
high132 FPS201 FPS
ultra113 FPS176 FPS
1440p
low139 FPS249 FPS
medium115 FPS208 FPS
high98 FPS162 FPS
ultra85 FPS145 FPS
4K
low80 FPS167 FPS
medium67 FPS138 FPS
high51 FPS98 FPS
ultra45 FPS87 FPS
Counter-Strike 2

Counter-Strike 2

PresetGeForce RTX 3080 12GBGeForce RTX 3090
1080p
low553 FPS648 FPS
medium473 FPS557 FPS
high383 FPS440 FPS
ultra345 FPS382 FPS
1440p
low415 FPS475 FPS
medium344 FPS405 FPS
high273 FPS319 FPS
ultra233 FPS263 FPS
4K
low198 FPS229 FPS
medium168 FPS193 FPS
high144 FPS161 FPS
ultra120 FPS134 FPS
League of Legends

League of Legends

PresetGeForce RTX 3080 12GBGeForce RTX 3090
1080p
low892 FPS909 FPS
medium724 FPS745 FPS
high631 FPS664 FPS
ultra551 FPS574 FPS
1440p
low705 FPS711 FPS
medium567 FPS583 FPS
high484 FPS508 FPS
ultra416 FPS434 FPS
4K
low485 FPS489 FPS
medium394 FPS406 FPS
high331 FPS349 FPS
ultra275 FPS289 FPS
Valorant

Valorant

PresetGeForce RTX 3080 12GBGeForce RTX 3090
1080p
low456 FPS821 FPS
medium413 FPS765 FPS
high339 FPS675 FPS
ultra295 FPS598 FPS
1440p
low366 FPS656 FPS
medium334 FPS609 FPS
high273 FPS534 FPS
ultra233 FPS449 FPS
4K
low245 FPS475 FPS
medium226 FPS443 FPS
high191 FPS397 FPS
ultra166 FPS299 FPS

Technical Specifications

Side-by-side comparison of GeForce RTX 3080 12GB and GeForce RTX 3090

NVIDIA

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.

NVIDIA

GeForce RTX 3090

The GeForce RTX 3090 is manufactured by NVIDIA. It was released in September 1 2020. It features the Ampere architecture. The core clock ranges from 1395 MHz to 1695 MHz. It has 10496 shading units. The thermal design power (TDP) is 350W. Manufactured using 8 nm process technology. It features 82 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,594 points. Launch price was $1,499.

Graphics Performance

The GeForce RTX 3080 12GB scores 26,569 and the GeForce RTX 3090 reaches 26,594 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The GeForce RTX 3080 12GB is built on Ampere while the GeForce RTX 3090 uses Ampere, both on a 8 nm process. Shader units: 8,960 (GeForce RTX 3080 12GB) vs 10,496 (GeForce RTX 3090). Raw compute: 30.64 TFLOPS (GeForce RTX 3080 12GB) vs 35.58 TFLOPS (GeForce RTX 3090). Boost clocks: 1710 MHz vs 1695 MHz. Ray tracing: 70 RT cores (GeForce RTX 3080 12GB) vs 82 (GeForce RTX 3090) with 280 Tensor cores vs 328.

FeatureGeForce RTX 3080 12GBGeForce RTX 3090
G3D Mark Score
26,569
26,594
Architecture
Ampere
Ampere
Process Node
8 nm
8 nm
Shading Units
8960
10496+17%
Compute (TFLOPS)
30.64 TFLOPS
35.58 TFLOPS+16%
Boost Clock
1710 MHz
1695 MHz
ROPs
96
112+17%
TMUs
280
328+17%
L1 Cache
8.8 MB
10.3 MB+17%
L2 Cache
6 MB
6 MB
Ray Tracing Cores
70
82+17%
Tensor Cores
280
328+17%

Advanced Features (DLSS/FSR)

FeatureGeForce RTX 3080 12GBGeForce RTX 3090
Upscaling Tech
DLSS 2 Super Resolution
DLSS 2 Super Resolution
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
NVIDIA Reflex
NVIDIA Reflex
💾

Video Memory (VRAM)

The GeForce RTX 3080 12GB comes with 12 GB of VRAM, while the GeForce RTX 3090 has 24 GB. The GeForce RTX 3090 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 912 GB/s (GeForce RTX 3080 12GB) vs 936 GB/s (GeForce RTX 3090) — a 2.6% advantage for the GeForce RTX 3090. Bus width: 384-bit vs 384-bit.

FeatureGeForce RTX 3080 12GBGeForce RTX 3090
VRAM Capacity
12 GB
24 GB+100%
Memory Type
GDDR6X
GDDR6X
Memory Bandwidth
912 GB/s
936 GB/s+3%
Bus Width
384-bit
384-bit
L2 Cache
6 MB
6 MB
🖥️

Display & API Support

DirectX support: 12 Ultimate (GeForce RTX 3080 12GB) vs 12 Ultimate (GeForce RTX 3090). Vulkan: 1.4 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

FeatureGeForce RTX 3080 12GBGeForce RTX 3090
DirectX
12 Ultimate
12 Ultimate
Vulkan
1.4
1.4
OpenGL
4.6
4.6
Max Displays
4
4
🎬

Media & Encoding

Hardware encoder: NVENC 7th gen (GeForce RTX 3080 12GB) vs NVENC 7th gen (GeForce RTX 3090). Decoder: NVDEC 5th gen vs NVDEC 5th gen. Supported codecs: H.264,H.265/HEVC,AV1 (GeForce RTX 3080 12GB) vs H.264,H.265/HEVC,AV1 (GeForce RTX 3090).

FeatureGeForce RTX 3080 12GBGeForce RTX 3090
Encoder
NVENC 7th gen
NVENC 7th gen
Decoder
NVDEC 5th gen
NVDEC 5th gen
Codecs
H.264,H.265/HEVC,AV1
H.264,H.265/HEVC,AV1
🔌

Power & Dimensions

The GeForce RTX 3080 12GB draws 350W versus the GeForce RTX 3090's 350W — a 0% difference. The GeForce RTX 3090 is more power-efficient. Recommended PSU: 750W (GeForce RTX 3080 12GB) vs 750W (GeForce RTX 3090). Power connectors: 2x 8-pin vs 2x 8-pin. Card length: 285mm vs 312mm, occupying 2 vs 3 slots. Typical load temperature: 80°C vs 85°C.

FeatureGeForce RTX 3080 12GBGeForce RTX 3090
TDP
350W
350W
Recommended PSU
750W
750W
Power Connector
2x 8-pin
2x 8-pin
Length
285mm
312mm
Height
112mm
140mm
Slots
2-33%
3
Temp (Load)
80°C-6%
85°C
Perf/Watt
75.9
76.0
💰

Value Analysis

The GeForce RTX 3080 12GB launched at $1250 MSRP, while the GeForce RTX 3090 launched at $1499. The GeForce RTX 3080 12GB costs 16.6% less ($249 savings) on MSRP. Performance per dollar on MSRP (G3D Mark / MSRP): 21.3 (GeForce RTX 3080 12GB) vs 17.7 (GeForce RTX 3090) — the GeForce RTX 3080 12GB offers 20.3% better value. The GeForce RTX 3080 12GB is the newer GPU (2022 vs 2020).

FeatureGeForce RTX 3080 12GBGeForce RTX 3090
MSRP
$1250-17%
$1499
Performance per Dollar
21.3+20%
17.7
Codename
GA102
GA102
Release
January 11 2022
September 1 2020
Ranking
#38
#37