Llama 4 Scout 17B-16E (109B) on RTX 5060 Ti 16GB (16GB) — VRAM, KV Cache & Throughput

Llama 4 Scout 17B-16E (109B) (109B total, 17.2B active, Sparse MoE + GQA) uses 61.95 GiB of 4-bit weights (Q4_K_M), requiring 64.01 GiB total at 8K context and 68.51 GiB at 32K on RTX 5060 Ti 16GB (~5.9 tok/s decode).

Interactive Sizing Workbench

Full Compatibility Report →

Open-Weight Model109B / 17.2B

Weights & QuantizationQ4_K_M · 61.95 GiB

Context Window8,192 (8K)

Target Hardware

16 GB · 448 GB/s

GPU Count (Tensor Parallel)

Concurrent Batch Size

KV Cache Precision

Inference Engine

System RAM Offload (CPU)0%

Exceeds Available GPU Memory

Config-derived formula HF config.json ↗

Memory Allocation Breakdown (GiB) 64.01 GiB (68.73 GB) / 16 GiB (400%)

Model Weights: 61.95 GiB KV Cache & State: 1.5 GiB Runtime & Activation Buffers: 0.56 GiB System RAM Offload: 0 GiB

Required GPU Memory

64.01 GiB

68.73 GB (decimal)

Usable Hardware Memory

15.2 GiB

16 GB (physical)

Safe Headroom

-48.81 GiB

400% utilization

Est. Decode Throughput

~5.9 tok/s

17.2B active params

Est. Prefill Throughput

~831 tok/s

4K Prompt TTFT: ~4927 ms

Est. Cost / 1M Tokens

$20.81

Sparse MoE + GQA · Llama 4

Recommended Hardware for Current Configuration

Best Single GPU

RTX PRO 6000 Blackwell (96GB)

~$8,500

Best Value / Used GPU

2x A100 80GB SXM

160GB · ~$24,000

Apple Unified Memory

Ryzen AI Max+ 395 128GB

~$1,999

Cloud From

Vast.ai · $0.44 / hr

1x A100 80GB SXM

Production Launch Commands

llama.cpp (GGUF)

llama-server -hf unsloth/Llama-4-Scout-17B-16E-Instruct-GGUF:Q4_K_M \
  --ctx-size 8192 -ngl 999 --flash-attn

vLLM

vllm serve meta-llama/Llama-4-Scout-17B-16E-Instruct \
  --max-model-len 8192 --gpu-memory-utilization 0.92

Live Token Speed Simulator (TTFT ~4927ms · ~5.9 tok/s)

[Llama 4 Scout 17B-16E (109B) · 64.01 GiB] allocated on target GPU. Prefill completed in TTFT window; streaming autoregressive tokens at memory-bandwidth-bound rate...

Cloud GPU Comparison & Rent-vs-Buy TCO

Verified public rates across RunPod, Vast.ai, Vultr, and DigitalOcean.

Verified: 2026-11-05

Active usage (hours / day)4 h / day

Local hardware budget ($)

Electricity rate ($/kWh)

Purchase break-even

~64.4 months

Est. local power: $12.77 / mo

Provider	Recommended Instance	Total VRAM	Hourly Rate	Monthly at Selected Hours	Billing Mode	Deploy
RunPod	1x A100 80GB SXM (Community Cloud · PCIe)	80 GB	$1.19 / hr	$144.70 / mo	Per-second	Deploy GPU ↗
Vast.ai	1x A100 80GB SXM (Verified Host · SXM4)	80 GB	$0.44 / hr	$53.75 / mo	Spot / On-demand	Deploy GPU ↗
*Vultr ($300 Free Credit)**	1x A100 80GB SXM (Dedicated Instance · $300 Credit*)	80 GB	$2.40 / hr	$291.48 / mo	Hourly	Deploy GPU ↗
Vultr Cloud GPU	1x A100 80GB SXM (Dedicated Instance)	80 GB	$2.40 / hr	$291.48 / mo	Hourly	Deploy GPU ↗
DigitalOcean	1x Instinct MI300X 192GB (Dedicated Instance)	192 GB	$2.59 / hr	$314.94 / mo	Per-second	Deploy GPU ↗

Rates reflect public listings on the verification date and fluctuate with regional inventory.

Fine-Tuning VRAM Requirements (QLoRA / LoRA / Full) — Llama 4 Scout 17B-16E (109B)

QLoRA (4b) Exceeds Available GPU Memory

65.47 GiB

Model Weights: 61.95 GiB · Gradients + Optimizer: 2.41 GiB · Act: 1.11 GiB

Recommended GPU: RTX PRO 6000 Blackwell (96GB)

LoRA (16b) Exceeds Available GPU Memory

208.29 GiB

Model Weights: 203.03 GiB · Gradients + Optimizer: 3.78 GiB · Act: 1.48 GiB

Recommended GPU: Instinct MI325X 256GB (256GB)

Full BF16 Exceeds Available GPU Memory

835.02 GiB

Model Weights: 203.03 GiB · Gradients + Optimizer: 629.39 GiB · Act: 2.6 GiB

Recommended GPU: 8x H200 141GB SXM (1128GB)

Engineering Sizing Notes & Optimization Playbook

Quick Hardware Verdict

A single RTX 5060 Ti 16GB (16GB) cannot hold 4-bit Llama 4 Scout 17B-16E (109B) (64.01 GiB at 8K) entirely in VRAM. Use multi-GPU tensor parallelism, offload layers to system RAM, or deploy on a larger cloud GPU.

KV Cache & Runtime Tuning

Llama 4 Scout 17B-16E (109B) uses Sparse MoE + GQA (109B total, 17.2B active per token). Moving from 8K to 32K context expands FP16 KV cache from 1.5 GiB to 6 GiB; enabling 8-bit KV cache (llama.cpp -ctk q8_0 -ctv q8_0 or vLLM --kv-cache-dtype fp8) saves 3 GiB at 32K (reducing total VRAM to 65.51 GiB).

VRAM Scaling Across Context Windows (4K to 128K, 4-bit Weights)

Model weights remain constant while attention KV cache grows with context length and batch size.

Quantization Precision & Memory Matrix — Llama 4 Scout 17B-16E (109B) @ 8K

Quantization Format	Weights (GiB)	KV Cache	Total VRAM (GiB)	Decode Speed	Compatibility (RTX 5060 Ti 16GB)	Recommended GPU	Data Source
Native Weights (BF16 / FP8 / MXFP4 — Lossless) (BF16)	203.03 GiB	1.5 GiB	205.09 GiB (220.21 GB)	~1.7 tok/s	Exceeds Available GPU Memory	Instinct MI325X 256GB (256GB)	Official checkpoint size
FP8 / GGUF Q8_0 (8-bit — Near-Lossless) (Q8_0)	107.86 GiB	1.5 GiB	109.92 GiB (118.03 GB)	~3.2 tok/s	Exceeds Available GPU Memory	Instinct MI300X 192GB (192GB)	Config-derived formula
GGUF Q6_K (6-bit — High Precision) (Q6_K)	83.24 GiB	1.5 GiB	85.3 GiB (91.59 GB)	~4.3 tok/s	Exceeds Available GPU Memory	RTX PRO 6000 Blackwell (96GB)	Config-derived formula
GGUF Q5_K_M (5-bit — Balanced) (Q5_K_M)	72.41 GiB	1.5 GiB	74.47 GiB (79.96 GB)	~5 tok/s	Exceeds Available GPU Memory	RTX PRO 6000 Blackwell (96GB)	Config-derived formula
Q4_K_M / UD-Q4_K_XL / AWQ (4-bit — Recommended) (Q4_K_M)	61.95 GiB	1.5 GiB	64.01 GiB (68.73 GB)	~5.9 tok/s	Exceeds Available GPU Memory	RTX PRO 6000 Blackwell (96GB)	Config-derived formula
GGUF IQ4_XS (4.25-bit — Compact) (IQ4_XS)	54.23 GiB	1.5 GiB	56.29 GiB (60.44 GB)	~6.9 tok/s	Exceeds Available GPU Memory	RTX PRO 6000 Blackwell (96GB)	Config-derived formula
GGUF Q3_K_M (3-bit — Low VRAM) (Q3_K_M)	49.88 GiB	1.5 GiB	51.94 GiB (55.77 GB)	~7.6 tok/s	Exceeds Available GPU Memory	RTX PRO 6000 Blackwell (96GB)	Config-derived formula
GGUF UD-Q2_K_XL (2-bit — Extreme MoE) (UD-Q2_K_XL)	35.32 GiB	1.5 GiB	37.38 GiB (40.14 GB)	~11.6 tok/s	Exceeds Available GPU Memory	A40 48GB (48GB)	Config-derived formula

Technical Specifications & FAQ

Does Llama 4 Scout 17B-16E (109B) fit on RTX 5060 Ti 16GB (16GB)?

In 4-bit (Q4_K_M) at 8,192 context, Llama 4 Scout 17B-16E (109B) requires 64.01 GiB total GPU memory (61.95 GiB weights + 1.5 GiB KV cache + 0.56 GiB runtime buffers) against 15.2 GiB usable on RTX 5060 Ti 16GB, delivering ~5.9 tok/s decode.

How much VRAM does Llama 4 Scout 17B-16E (109B) need at 32K context?

At 32,768 context tokens, Llama 4 Scout 17B-16E (109B) (Sparse MoE + GQA) allocates 6 GiB for KV cache and state, bringing total 4-bit VRAM to 68.51 GiB (73.56 GB decimal).

Evaluate This Model on Other GPUs

RTX 3060 12GB (12GB)RTX 4060 Ti 16GB (16GB)RTX 4070 Ti Super (16GB)RTX 4080 Super (16GB)RTX 5070 12GB (12GB)RTX 5070 Ti (16GB)RTX 5080 (16GB)RTX 3090 (24GB)RTX 4090 (24GB)RTX 4090 D (24GB)RTX 5090 (32GB)RTX 5090 D (32GB)RTX A6000 (48GB)RTX 6000 Ada (48GB)RTX PRO 6000 Blackwell (96GB)DGX Spark (GB10 128GB) (128GB)L4 24GB (24GB)A40 48GB (48GB)L20 48GB (48GB)L40S 48GB (48GB)A800 80GB SXM (80GB)A100 80GB SXM (80GB)H800 80GB SXM (80GB)H100 80GB SXM (80GB)H20 96GB HBM3 (96GB)H20 141GB HBM3e (141GB)H200 141GB SXM (141GB)B200 180GB (180GB)B300 288GB Blackwell Ultra (288GB)Ascend 910B 64GB (昇腾) (64GB)Ascend 910C 128GB (昇腾) (128GB)Atlas 300I Duo 96GB (310P) (96GB)MLU590 80GB (寒武纪思元) (80GB)DCU K100-AI 64GB (海光深算) (64GB)MetaX C500 64GB (沐曦曦云) (64GB)Kunlunxin P800 64GB (昆仑芯) (64GB)MTT S4000 48GB (摩尔线程) (48GB)Radeon RX 7900 XTX 24GB (24GB)Radeon AI PRO R9700 32GB (32GB)Ryzen AI Max+ 395 128GB (128GB)Instinct MI300X 192GB (192GB)Instinct MI325X 256GB (256GB)Instinct MI355X 288GB (288GB)Arc Pro B60 24GB (24GB)Gaudi 3 128GB HBM2e (128GB)Mac mini M4 Pro 64GB (64GB)MacBook Pro M4 Max 128GB (128GB)Mac Studio M4 Ultra 256GB (256GB)Mac Studio M3 Ultra 512GB (512GB)

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