LLM Roofline
Nemotron · NVIDIA-Open · HF: nvidia/Llama-3_3-Nemotron-Super-49B-v1

Llama-3.3 Nemotron Super 49B — VRAM, KV Cache & Hardware Matrix

Serverless API Rate
$0.15 in / $0.40 out per 1M
Parameters
49.9B Dense
Attention
GQA (8 KV / 64 Q)
Layers × Hidden
49 × 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 94.80 GiB 98.21 GiB 102.80 GiB Lossless Reference
Q8_0 8.50 50.37 GiB 53.77 GiB 58.37 GiB Near-Lossless
Q6_K 6.57 38.93 GiB 42.34 GiB 46.93 GiB High Precision
Q5_K_M 5.69 33.71 GiB 37.12 GiB 41.71 GiB Balanced High
Q4_K_M 4.85 28.74 GiB 32.14 GiB 36.74 GiB Recommended 4-bit
MLX_4BIT 4.50 26.66 GiB 30.07 GiB 34.66 GiB Apple Silicon Optimized
IQ4_XS 4.25 25.18 GiB 28.59 GiB 33.18 GiB Compact 4-bit
Q3_K_M 3.91 23.17 GiB 26.57 GiB 31.17 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 36.7 / 140.4 GiB 107.7 tok/s 0.63s 128k Simulate →
Cloud NVIDIA H100 SXM (80 GB) COMFORTABLE 36.7 / 79.4 GiB 75.2 tok/s 0.63s 128k Simulate →
Cloud NVIDIA A100 SXM (80 GB) COMFORTABLE 36.7 / 79.4 GiB 44.7 tok/s 2.02s 128k Simulate →
NVIDIA RTX PRO 6000 Blackwell (96 GB) COMFORTABLE 36.7 / 95.0 GiB 40.2 tok/s 2.52s 128k Simulate →
Cloud NVIDIA L40S (48 GB) COMFORTABLE 36.7 / 47.4 GiB 18.9 tok/s 1.80s 88k Simulate →
Apple Mac Studio M3 Ultra (256 GB) COMFORTABLE 36.5 / 199.7 GiB 17.1 tok/s 12.59s 128k Simulate →
Apple Mac Studio M3 Ultra (512 GB) COMFORTABLE 36.5 / 399.4 GiB 17.1 tok/s 12.59s 128k Simulate →
2x NVIDIA RTX 3090 Rig (48 GB) COMFORTABLE 36.7 / 46.6 GiB 16.8 tok/s 11.84s 84k Simulate →
Apple Mac Studio M2 Ultra (192 GB) COMFORTABLE 36.5 / 149.8 GiB 16.7 tok/s 13.90s 128k Simulate →
Apple Mac Studio M4 Max (64 GB) COMFORTABLE 36.5 / 49.9 GiB 11.2 tok/s 19.16s 128k Simulate →
Apple Mac Studio M4 Max (128 GB) COMFORTABLE 36.5 / 99.8 GiB 11.2 tok/s 19.16s 128k Simulate →
Apple MacBook Pro M3 Max (64 GB) COMFORTABLE 36.5 / 49.9 GiB 8.1 tok/s 25.67s 128k Simulate →
Apple MacBook Pro M3 Max (128 GB) COMFORTABLE 36.5 / 99.8 GiB 8.1 tok/s 25.67s 128k Simulate →
Apple Mac Mini M4 Pro (64 GB) COMFORTABLE 36.5 / 49.9 GiB 5.4 tok/s 39.60s 128k Simulate →
Ryzen AI Max+ 395 Strix Halo (128 GB) COMFORTABLE 36.5 / 96.0 GiB 5.1 tok/s 14.25s 128k Simulate →
Ryzen AI Max+ 395 Strix Halo (64 GB) COMFORTABLE 36.5 / 48.0 GiB 5.1 tok/s 14.25s 123k Simulate →
Ryzen AI 9 HX 370 Mini-PC (64 GB) COMFORTABLE 36.5 / 48.0 GiB 2.2 tok/s 40.83s 123k Simulate →
Apple Mac Mini M4 Pro (48 GB) TIGHT 36.5 / 37.4 GiB 5.4 tok/s 39.60s 62k Simulate →
NVIDIA RTX 5090 (32 GB) OOM 36.7 / 31.0 GiB OOM — 5k Simulate →
NVIDIA RTX 4090 (24 GB) OOM 36.7 / 23.0 GiB OOM — OOM Simulate →
NVIDIA RTX 5080 (16 GB) OOM 36.7 / 15.0 GiB OOM — OOM Simulate →
NVIDIA RTX 3090 (24 GB Used) OOM 36.7 / 23.0 GiB OOM — OOM Simulate →
NVIDIA RTX 5070 Ti (16 GB) OOM 36.7 / 15.0 GiB OOM — OOM Simulate →
AMD Radeon RX 7900 XTX (24 GB) OOM 36.7 / 23.0 GiB OOM — OOM Simulate →
NVIDIA RTX 5060 Ti (16 GB) OOM 36.7 / 15.0 GiB OOM — OOM Simulate →
NVIDIA RTX 3060 (12 GB) OOM 36.7 / 11.0 GiB OOM — OOM Simulate →
Apple Mac Mini M4 (16 GB) OOM 36.5 / 10.0 GiB OOM — OOM Simulate →
Apple Mac Mini M4 (24 GB) OOM 36.5 / 18.0 GiB OOM — OOM Simulate →

Interactive Llama-3.3 Nemotron Super 49B Simulator

49.9B 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 36.74 / 95.00 GiB usable
Weights: 28.74 GiB KV Cache: 6.13 GiB Overhead: 1.88 GiB Headroom: 58.26 GiB
Decode Speed
40.2
tok/s (batch=1)
Prefill Speed
1649
prompt tok/s
TTFT Latency
2.52s
for 4,096 tok
Active Params
49.9B
of 49.9B total
llama.cpp Server Command
llama-server -hf nvidia/Llama-3_3-Nemotron-Super-49B-v1:Q4_K_M -ngl 99 -fa on -c 32768 --port 8080
Context KV Cache Total VRAM Decode Status
4k 0.77 GiB 30.82 GiB 47.5 tok/s COMFORTABLE
8k 1.53 GiB 32.14 GiB 46.3 tok/s COMFORTABLE
16k 3.06 GiB 33.68 GiB 44.1 tok/s COMFORTABLE
32k 6.13 GiB 36.74 GiB 40.2 tok/s COMFORTABLE
64k 12.25 GiB 42.86 GiB 34.2 tok/s COMFORTABLE
128k 24.50 GiB 55.11 GiB 26.3 tok/s COMFORTABLE

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

USE SERVERLESS API
Own Hardware/mo
$170.56
112.0h active + power
Cloud GPU/mo
$238.38
@$1.85/hr spot/pod
Serverless API/mo
$13.50
API cheaper

Engineering FAQ — Llama-3.3 Nemotron Super 49B

How much VRAM does Llama-3.3 Nemotron Super 49B require in Q4_K_M?

Llama-3.3 Nemotron Super 49B weights occupy 28.74 GiB in Q4_K_M. Including 32k FP16 KV cache and runtime buffers, total memory is 36.74 GiB.

What is the cheapest local hardware that runs Llama-3.3 Nemotron Super 49B?

NVIDIA RTX PRO 6000 Blackwell (96 GB) (96 GB) runs Llama-3.3 Nemotron Super 49B Q4_K_M at ~40.2 tok/s decode and 2.52s TTFT.

How does Llama-3.3 Nemotron Super 49B scale KV cache at long context?

Llama-3.3 Nemotron Super 49B uses GQA with 8 KV heads across 49 layers (128 head_dim).