StarCoder 2 15B on NVIDIA GeForce RTX 4090

Yes — RTX 4090 runs StarCoder 2 15B excellently at Q8_0 — 50 tok/s. 24 GB VRAM with plenty of headroom.

Model Size

15.5B

Device VRAM

24 GB

Bandwidth

1008 GB/s

Quantization

Q8_0

Benchmarks

Performance by Quantization

OwnRig currently has one published compatibility entry for StarCoder 2 15B on NVIDIA GeForce RTX 4090 at Q8_0. This is the best supported pairing we can stand behind today.

Quantization	Speed	TTFT	Fits in VRAM	Rating	Confidence
Q8_0	50 tok/s	130ms	✓ Yes	Excellent	estimated

Notes

Q8_0

Full Q8 quality at 16.8GB. Fast code completion.

About StarCoder 2 15B

StarCoder 2 15B (15.5B) is a coding, ai coding model. Trained on The Stack v2 with 619 programming languages. Full fill-in-the-middle (FIM) support for code completion. BigCode's best model, competitive but surpassed by Qwen 2.5 Coder on most benchmarks.

View all StarCoder 2 15B hardware options →

About NVIDIA GeForce RTX 4090

NVIDIA GeForce RTX 4090 has 24 GB at 1008 GB/s. Street price: $1,799.

See all models NVIDIA GeForce RTX 4090 can run →

Hardware

Builds with NVIDIA GeForce RTX 4090

Mid-range

AI Builder Workstation

Run every AI tool you need. Nothing leaves your machine

RTX 4090·24 GBVRAM

Runs 10 models

$2,773

High-end

High-End AI Workstation

Chat, generate images, and code with AI, all at once

RTX 4090·24 GBVRAM

Runs 8 models

$3,433

Estimate method: Community benchmarks. Reference hardware source: github.com (2026-01-15)

Performance varies by driver version, inference engine, quantization method, context length, and system configuration. Figures shown are estimates based on community benchmarks and may not reflect your exact setup. Product names are trademarks of their respective owners. OwnRig is independent and not affiliated with any hardware or AI model provider.