LLM Roofline
Llama 3 · Llama-3.3 · HF: meta-llama/Llama-3.3-70B-Instruct

Llama 3.3 70B Instruct — VRAM, KV Cache & Hardware Matrix

Serverless API Rate
$0.71 in / $0.71 out per 1M
Parameters
70.6B Dense
Attention
GQA (8 KV / 64 Q)
Layers × Hidden
80 × 8192
Max Native Context
128k tokens
MoE Experts
N/A (Dense)

Quantization Memory Footprint

Quantization BPW Weights Only Total @ 8k Ctx Total @ 32k Ctx Quality
FP16 16.00 134.13 GiB 138.51 GiB 146.01 GiB Lossless Reference
Q8_0 8.50 71.26 GiB 75.63 GiB 83.13 GiB Near-Lossless
Q6_K 6.57 55.08 GiB 59.45 GiB 66.95 GiB High Precision
Q5_K_M 5.69 47.70 GiB 52.08 GiB 59.58 GiB Balanced High
Q4_K_M 4.85 40.66 GiB 45.03 GiB 52.53 GiB Recommended 4-bit
MLX_4BIT 4.50 37.72 GiB 42.10 GiB 49.60 GiB Apple Silicon Optimized
IQ4_XS 4.25 35.63 GiB 40.00 GiB 47.50 GiB Compact 4-bit
Q3_K_M 3.91 32.78 GiB 37.15 GiB 44.65 GiB Aggressive Compression

Hardware Compatibility & Speed Leaderboard (Q4_K_M @ 32k Context)

Hardware Status Total / Limit Decode TTFT (4k) Max Safe Ctx Inspect
Cloud NVIDIA H200 SXM (141 GB) COMFORTABLE 52.5 / 140.4 GiB 74.1 tok/s 0.88s 128k Simulate →
Cloud NVIDIA H100 SXM (80 GB) COMFORTABLE 52.5 / 79.4 GiB 51.7 tok/s 0.88s 118k Simulate →
Cloud NVIDIA A100 SXM (80 GB) COMFORTABLE 52.5 / 79.4 GiB 30.7 tok/s 2.87s 118k Simulate →
NVIDIA RTX PRO 6000 Blackwell (96 GB) COMFORTABLE 52.5 / 95.0 GiB 27.7 tok/s 3.57s 128k Simulate →
Apple Mac Studio M3 Ultra (256 GB) COMFORTABLE 52.3 / 199.7 GiB 11.7 tok/s 17.88s 128k Simulate →
Apple Mac Studio M3 Ultra (512 GB) COMFORTABLE 52.3 / 399.4 GiB 11.7 tok/s 17.88s 128k Simulate →
Apple Mac Studio M2 Ultra (192 GB) COMFORTABLE 52.3 / 149.8 GiB 11.5 tok/s 19.74s 128k Simulate →
Apple Mac Studio M4 Max (128 GB) COMFORTABLE 52.3 / 99.8 GiB 7.7 tok/s 27.23s 128k Simulate →
Apple MacBook Pro M3 Max (128 GB) COMFORTABLE 52.3 / 99.8 GiB 5.6 tok/s 36.48s 128k Simulate →
Ryzen AI Max+ 395 Strix Halo (128 GB) COMFORTABLE 52.3 / 96.0 GiB 3.5 tok/s 20.25s 128k Simulate →
Apple Mac Studio M4 Max (64 GB) TUNABLE_UMA 52.3 / 49.9 GiB 7.7 tok/s 27.23s 45k Simulate →
Apple MacBook Pro M3 Max (64 GB) TUNABLE_UMA 52.3 / 49.9 GiB 5.6 tok/s 36.48s 45k Simulate →
Apple Mac Mini M4 Pro (64 GB) TUNABLE_UMA 52.3 / 49.9 GiB 3.7 tok/s 56.29s 45k Simulate →
Ryzen AI Max+ 395 Strix Halo (64 GB) TUNABLE_UMA 52.3 / 48.0 GiB 3.5 tok/s 20.25s 37k Simulate →
Ryzen AI 9 HX 370 Mini-PC (64 GB) TUNABLE_UMA 52.3 / 48.0 GiB 1.5 tok/s 58.04s 37k Simulate →
NVIDIA RTX 5090 (32 GB) OOM 52.5 / 31.0 GiB OOM — OOM Simulate →
NVIDIA RTX 4090 (24 GB) OOM 52.5 / 23.0 GiB OOM — OOM Simulate →
NVIDIA RTX 5080 (16 GB) OOM 52.5 / 15.0 GiB OOM — OOM Simulate →
NVIDIA RTX 3090 (24 GB Used) OOM 52.5 / 23.0 GiB OOM — OOM Simulate →
NVIDIA RTX 5070 Ti (16 GB) OOM 52.5 / 15.0 GiB OOM — OOM Simulate →
AMD Radeon RX 7900 XTX (24 GB) OOM 52.5 / 23.0 GiB OOM — OOM Simulate →
Cloud NVIDIA L40S (48 GB) OOM 52.5 / 47.4 GiB OOM — 16k Simulate →
2x NVIDIA RTX 3090 Rig (48 GB) OOM 52.5 / 46.6 GiB OOM — 13k Simulate →
NVIDIA RTX 5060 Ti (16 GB) OOM 52.5 / 15.0 GiB OOM — OOM Simulate →
NVIDIA RTX 3060 (12 GB) OOM 52.5 / 11.0 GiB OOM — OOM Simulate →
Apple Mac Mini M4 Pro (48 GB) OOM 52.3 / 37.4 GiB OOM — 2k Simulate →
Apple Mac Mini M4 (16 GB) OOM 52.3 / 10.0 GiB OOM — OOM Simulate →
Apple Mac Mini M4 (24 GB) OOM 52.3 / 18.0 GiB OOM — OOM Simulate →

Interactive Llama 3.3 70B Instruct Simulator

70.6B Dense · GQA
1792 GB/s · 250 TFLOPS
3. Weight Quantization 4.85 bpw
4. KV Cache
32,768 tok
Compute Roofline
COMFORTABLE FIT Memory-Bandwidth Bound
Max Safe Ctx: 128k
Memory Allocation Footprint 52.53 / 95.00 GiB usable
Weights: 40.66 GiB KV Cache: 10.00 GiB Overhead: 1.88 GiB Headroom: 42.47 GiB
Decode Speed
27.7
tok/s (batch=1)
Prefill Speed
1160
prompt tok/s
TTFT Latency
3.57s
for 4,096 tok
Active Params
70.6B
of 70.6B total
llama.cpp Server Command
llama-server -hf meta-llama/Llama-3.3-70B-Instruct:Q4_K_M -ngl 99 -fa on -c 32768 --port 8080
Context KV Cache Total VRAM Decode Status
4k 1.25 GiB 43.22 GiB 33.5 tok/s COMFORTABLE
8k 2.50 GiB 45.03 GiB 32.5 tok/s COMFORTABLE
16k 5.00 GiB 47.53 GiB 30.7 tok/s COMFORTABLE
32k 10.00 GiB 52.53 GiB 27.7 tok/s COMFORTABLE
64k 20.00 GiB 62.53 GiB 23.1 tok/s COMFORTABLE
128k 40.00 GiB 82.53 GiB 17.4 tok/s COMFORTABLE

Buy-vs-Cloud-vs-API Monthly TCO Break-Even

USE SERVERLESS API
Own Hardware/mo
$175.61
162.6h active + power
Cloud GPU/mo
$345.84
@$1.85/hr spot/pod
Serverless API/mo
$46.15
Payback: 230.2 mo

Engineering FAQ — Llama 3.3 70B Instruct

How much VRAM does Llama 3.3 70B Instruct require in Q4_K_M?

Llama 3.3 70B Instruct weights occupy 40.66 GiB in Q4_K_M. Including 32k FP16 KV cache and runtime buffers, total memory is 52.53 GiB.

What is the cheapest local hardware that runs Llama 3.3 70B Instruct?

NVIDIA RTX PRO 6000 Blackwell (96 GB) (96 GB) runs Llama 3.3 70B Instruct Q4_K_M at ~27.7 tok/s decode and 3.57s TTFT.

How does Llama 3.3 70B Instruct scale KV cache at long context?

Llama 3.3 70B Instruct uses GQA with 8 KV heads across 80 layers (128 head_dim).