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NVIDIA GeForce RTX 4080 SUPER

NVIDIA · RTX 40

NVIDIA GeForce RTX 4080 SUPER

$950$999 MSRP

The RTX 4080 SUPER delivers excellent 4K gaming performance with 16GB of GDDR6X memory. It is a strong card for gaming-first builds that want some AI capability. The 16GB VRAM handles 14B models at Q4 and runs Stable Diffusion XL comfortably. However, for dedicated AI builds, the 4090's 24GB offers significantly more headroom for the price difference.

Best ForPremium 4K gaming with moderate AI capability
VerdictGreat gaming card, but the 4090 is worth the upgrade for AI-focused builders.
AI
7/10
Gaming
9/10

Specifications

VRAM16GB GDDR6X
Memory Bandwidth736 GB/s
CUDA Cores10,240
Boost Clock2550 MHz
TDP320W
Power Connector1x 16-pin
Length304mm
Form FactorTriple Slot
Release Year2024

AI Capabilities

Capable16GB VRAM

Runs most popular models with quantization. The minimum for serious AI work.

Can run (Q4 quantized)

Llama 3.1 8BQwen 2.5 14BMistral 7BFLUX.1 DevStable Diffusion XLStable Diffusion 3.5 LargeHunyuanVideoCogVideoX-5BMochi 1LTX VideoStable Video DiffusionWan Video 14BCodestral 22BAlphaFold 2ESMFold (ESM-2 15B)ESM-2 3BscGPTRFdiffusionFine-tune Llama 8BTrain SDXL LoRATrain FLUX LoRA

Tight fit (may need CPU offload)

Qwen 2.5 32B (20GB Q4)Qwen 2.5 Coder 32B (20GB Q4)LLaVA 1.6 34B (20GB Q4)

Recommended system RAM for AI: 32GB+ (2x GPU VRAM for model overflow)

Performance Estimates

Estimated tokens/sec for LLM inference based on 736 GB/s memory bandwidth — not hardware benchmarks. Methodology · What is Q4/Q8?

Llama 3.1 8B8B
FP16~25-31 tok/sUsable
Qwen 2.5 32B32B
Offload~1-3 tok/sVery slow
Qwen 2.5 14B14B
Q8~31-38 tok/sFast
Mistral 7B7B
FP16~29-36 tok/sUsable
Codestral 22B22B
Q4~35-43 tok/sFast
Qwen 2.5 Coder 32B32B
Offload~1-3 tok/sVery slow

Pros

  • +Excellent 4K gaming
  • +Good DLSS 3 support
  • +Slightly better than 4080

Cons

  • -16GB may limit some AI workloads
  • -Expensive for the VRAM
gamingai

Where to Buy

Best Buy→Newegg→

Will It Run?

Llama 3.1 8B8B
FP16
Qwen 2.5 32B32B
Offload
Qwen 2.5 14B14B
Q8
Mistral 7B7B
FP16
FLUX.1 Dev12B
Q8
Stable Diffusion XL6.6B
FP16
Stable Diffusion 3.5 Large8B
Q8
HunyuanVideo13B
Q4

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