Nemotron 3.5 Lightning

reported speed:

110.0 tokens/s generation

quant:

Q4_0 (GGUF)

kv:

F16

Reported by the source; GPU count, offloading and concurrent requests can change this figure. Check the full setup before comparing.

User reports Nemotron-3.5-Lightning-30B-A3B at 110 tok/s writing code on two Tesla P100 16GB cards. Setup is llama.cpp b10970 with Q4_0 weights, F16 KV cache, tensor split across both cards, and the model's built-in MTP draft head at n-max 2. The same model reaches 95 tok/s on prose, 50 tok/s at 128k context, 39 tok/s at 256k, and 16 tok/s at 1M tokens. The study covers 545 speed measurements of 29 models from 2B to 122B parameters, all weights and KV cache in VRAM with no system RAM offload. A 119B MoE model runs 39 tok/s against 4.3 tok/s for a 70B dense model on the same cards. Tensor split makes dense models from 8B up 21-44% faster. A single P100 throttles to 906 MHz and loses 25% under sustained load, while two cards share the heat and lose 5.5%.

reported speed:

72-87 tokens/s generation

quant:

Q4_K_M (GGUF)

Reported by the source; GPU count, offloading and concurrent requests can change this figure. Check the full setup before comparing.

User reports Nemotron 3.5 Lightning 30B-A3B at 72 to 87 tok/s single-stream decode and about 2,600 tok/s prefill on a DGX Spark (GB10, 128GB unified memory). Setup is Ollama 0.32.9 with the Q4_K_M GGUF at the default 262,144 token context, 26GB resident at 100% GPU, with the built-in MTP speculative decoding active. Decode depends on the workload: 72 tok/s on prose and 84 to 87 tok/s on JSON and summaries. The same model served with vLLM using the NVFP4 checkpoint and DSpark draft model reached 108 tok/s decode and about 5,400 tok/s prefill. On one agent prompt the model answered in 485 tokens and 5.9s against 1,953 tokens and 26.0s for qwen3.5:35b-a3b.

reported speed:

91.9 tokens/s generation · 1760.0 tokens/s prompt processing

quant:

Q4_0 (GGUF)

Reported by the source; GPU count, offloading and concurrent requests can change this figure. Check the full setup before comparing.

User reports Nemotron 3.5 Lightning 30B-A3B at 91.91 tok/s decode on 2x Intel Arc Pro B60 24GB. Setup is llama.cpp SYCL with Q4_0 weights and an MTP Q8_0 drafter at --spec-draft-n-max 7, 22.18 GiB VRAM, 1,760 tok/s prefill at 12K context. MTP acceptance is 99.5-100% at every n-max; the model needs the whole card with no co-residence.

reported speed:

80.0 tokens/s generation · 4737.5 tokens/s prompt processing

quant:

NVFP4 (GGUF)

kv:

q8_0

Reported by the source; GPU count, offloading and concurrent requests can change this figure. Check the full setup before comparing.

User reports Nemotron 3.5 Lightning 30B-A3B at 79.98 t/s generation and 4737.46 t/s prompt processing on 2x RTX 5060 Ti 16GB. Setup is llama.cpp with NVFP4 GGUF weights and q8_0 KV cache, 1048576 token context, flash attention on, no MTP layers. The run processed a 54025-token prompt and generated 2156 tokens; the user notes it fits in 32 GB VRAM with no expert-layer offloading to RAM.

quant:

W4A16

User compares a W4A16 quant of Nemotron 3.5 Lightning 30B-A3B against an IQ4_XS GGUF on an RTX 3090. Setup is vLLM for W4A16 and llama.cpp for IQ4_XS. The two are near-parity in instruction following benchmarks, with about 4.5x throughput by B16. The user describes the model as fast and reliable, and suitable for batch labelling and agentic responses.