NVIDIA·Llama 3·LlamaForCausalLM

Llama 3.3 Nemotron 70B Reward — Hardware Requirements & GPU Compatibility

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112 downloads 3 likes131K context

Specifications

Publisher
NVIDIA
Family
Llama 3
Parameters
70.6B
Architecture
LlamaForCausalLM
Context Length
131,072 tokens
Vocabulary Size
128,256
Release Date
2025-06-26
License
Other

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How Much VRAM Does Llama 3.3 Nemotron 70B Reward Need?

Select a quantization to see compatible GPUs below.

QuantizationBitsVRAM
BF1616.00142.1 GB

Which GPUs Can Run Llama 3.3 Nemotron 70B Reward?

BF16 · 142.1 GB

Llama 3.3 Nemotron 70B Reward (BF16) requires 142.1 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 185+ GB is recommended. Using the full 131K context window can add up to 42.3 GB, bringing total usage to 184.4 GB. No single GPU has enough memory — multi-GPU or cluster setups are needed.

Which Devices Can Run Llama 3.3 Nemotron 70B Reward?

BF16 · 142.1 GB

4 devices with unified memory can run Llama 3.3 Nemotron 70B Reward, including NVIDIA DGX H100, NVIDIA DGX A100 640GB, Mac Pro M2 Ultra (192 GB).

Related Models

Frequently Asked Questions

How much VRAM does Llama 3.3 Nemotron 70B Reward need?

Llama 3.3 Nemotron 70B Reward requires 142.1 GB of VRAM at BF16. Full 131K context adds up to 42.3 GB (184.4 GB total).

VRAM = Weights + KV Cache + Overhead

Weights = 70.6B × 16 bits ÷ 8 = 141.1 GB

KV Cache + Overhead 1 GB (at 2K context + ~0.3 GB framework)

KV Cache + Overhead 43.3 GB (at full 131K context)

VRAM usage by quantization

142.1 GB
184.4 GB

Learn more about VRAM estimation →

Can NVIDIA GeForce RTX 5090 run Llama 3.3 Nemotron 70B Reward?

No — Llama 3.3 Nemotron 70B Reward requires at least 142.1 GB at BF16, which exceeds the NVIDIA GeForce RTX 5090's 32 GB of VRAM.

Can I run Llama 3.3 Nemotron 70B Reward on a Mac?

Llama 3.3 Nemotron 70B Reward requires at least 142.1 GB at BF16, which exceeds the unified memory of most consumer Macs. You would need a Mac Studio or Mac Pro with a high-memory configuration.

Can I run Llama 3.3 Nemotron 70B Reward locally?

Yes — Llama 3.3 Nemotron 70B Reward can run locally on consumer hardware. At BF16 quantization it needs 142.1 GB of VRAM. Popular tools include Ollama, LM Studio, and llama.cpp.

How fast is Llama 3.3 Nemotron 70B Reward?

At BF16, Llama 3.3 Nemotron 70B Reward can reach ~21 tok/s on AMD Instinct MI300X. Speed depends mainly on GPU memory bandwidth. Real-world results typically within ±20%.

tok/s = (bandwidth GB/s ÷ model GB) × efficiency

Example: AMD Instinct MI300X5300 ÷ 142.1 × 0.55 = ~21 tok/s

Estimated speed at BF16 (142.1 GB)

~21 tok/s

Real-world results typically within ±20%. Speed depends on batch size, quantization kernel, and software stack.

Learn more about tok/s estimation →

What's the download size of Llama 3.3 Nemotron 70B Reward?

At BF16, the download is about 141.11 GB.

Which GPUs can run Llama 3.3 Nemotron 70B Reward?

No single consumer GPU has enough VRAM to run Llama 3.3 Nemotron 70B Reward at BF16 (142.1 GB). Multi-GPU or professional hardware is required.

Which devices can run Llama 3.3 Nemotron 70B Reward?

4 devices with unified memory can run Llama 3.3 Nemotron 70B Reward at BF16 (142.1 GB), including Mac Pro M2 Ultra (192 GB), Mac Studio M2 Ultra (192 GB), NVIDIA DGX A100 640GB, NVIDIA DGX H100. Apple Silicon Macs use unified memory shared between CPU and GPU, making them well-suited for local LLM inference.