Question 1

How much VRAM does Llama-3_1-Nemotron-Ultra-253B-v1 need?

Accepted Answer

Llama-3_1-Nemotron-Ultra-253B-v1 (253.4B) requires approximately 566.3959716796875 GB of VRAM at full precision (FP16), 283.2 GB at 8-bit quantization (Q8), and 141.6 GB at 4-bit quantization (Q4). The actual VRAM usage may be slightly higher due to KV cache and runtime overhead.

Question 2

What GPUs can run Llama-3_1-Nemotron-Ultra-253B-v1?

Accepted Answer

We currently have no compatible GPUs indexed for Llama-3_1-Nemotron-Ultra-253B-v1. This may be because the model's VRAM requirements exceed available GPUs in our database, or VRAM data hasn't been computed yet.

Question 3

What is the cheapest GPU to run Llama-3_1-Nemotron-Ultra-253B-v1?

Accepted Answer

We don't currently have cloud pricing data for GPUs compatible with Llama-3_1-Nemotron-Ultra-253B-v1. Cloud pricing data is updated regularly — check back soon.

Question 4

Can Llama-3_1-Nemotron-Ultra-253B-v1 run on consumer hardware?

Accepted Answer

Llama-3_1-Nemotron-Ultra-253B-v1 requires approximately 566.3959716796875 GB of VRAM at FP16, and even with 4-bit quantization (Q4) it needs about 141.6 GB. This exceeds the 24 GB available on the highest-end consumer GPU (RTX 4090), so Llama-3_1-Nemotron-Ultra-253B-v1 requires datacenter or cloud GPUs.

Question 5

What quantization options are available for Llama-3_1-Nemotron-Ultra-253B-v1?

Accepted Answer

Llama-3_1-Nemotron-Ultra-253B-v1 supports the following quantization levels: FP16 (full precision): ~566.3959716796875 GB, Q8 (8-bit): ~283.2 GB, Q6 (6-bit): ~212.4 GB, Q4 (4-bit): ~141.6 GB. Lower quantization reduces VRAM usage at the cost of some quality loss. Q8 offers a good balance between quality and memory savings, while Q4 provides maximum compression.

Llama-3_1-Nemotron-Ultra-253B-v1

VRAM Requirements

Compatible GPUs

Llama-3_1-Nemotron-Ultra-253B-v1 FAQ

VRAM requirements for Llama-3_1-Nemotron-Ultra-253B-v1 at different quantization levels
Quantization	VRAM Required
FP16	566.4 GB
Q8	283.2 GB
Q6	212.4 GB
Q4	141.6 GB