Configure a rig →
Falcon40B params2k context

Falcon 40B locally

Falcon 40B is an open-weight LLM from the Falcon family with 40B parameters. Main use: chat, RAG and general assistance. Detected minimum hardware: RTX 5090 (32 GB).

Check on my GPU →Hugging Face ↗
Technical facts
Parameters40B
Max context2k
Q4_K_M25.1 GB
Q5_K_M30.7 GB
Q844.7 GB
FP1689.4 GB
FamilyFalcon
Last sync2026-05-12

Available quantizations

Q4_K_M
25.1GB

Acceptable. Good compromise when VRAM is limited.

Q5_K_M
30.7GB

Good quality. Sweet spot for size and precision.

Q8
44.7GB

Near-FP16 quality. Comfortable for production.

FP16
89.4GB

Reference precision. Maximum quality, doubled VRAM.

Compatible GPUs

GPUs that can run Falcon 40B on a single card, ranked by VRAM headroom.

RTX 5090
NVIDIA
32 GB · RTX 50
25.1 / 32 GBcomfortable · Q4
RTX 5000 Ada
NVIDIA
32 GB · RTX Ada
25.1 / 32 GBcomfortable · Q4
Radeon Pro W6800
AMD
32 GB · Radeon Pro W
25.1 / 32 GBcomfortable · Q4
Radeon Pro W7800
AMD
32 GB · Radeon Pro W
25.1 / 32 GBcomfortable · Q4
Instinct MI100
AMD
32 GB · Instinct CDNA 1-2
25.1 / 32 GBcomfortable · Q4
Mac Mini M2 Pro (32GB)
Apple
32 GB · Mac Mini
25.1 / 32 GBcomfortable · Q4
Mac Mini M4 (32GB)
Apple
32 GB · Mac Mini
25.1 / 32 GBcomfortable · Q4
MacBook Air M4 (32GB)
Apple
32 GB · MacBook Air
25.1 / 32 GBcomfortable · Q4
MacBook Pro 14 M1 Pro (32GB)
Apple
32 GB · MacBook Pro 14
25.1 / 32 GBcomfortable · Q4
MacBook Pro 14 M1 Max (32GB)
Apple
32 GB · MacBook Pro 14
25.1 / 32 GBcomfortable · Q4
MacBook Pro 14 M2 Pro (32GB)
Apple
32 GB · MacBook Pro 14
25.1 / 32 GBcomfortable · Q4
MacBook Pro 14 M2 Max (32GB)
Apple
32 GB · MacBook Pro 14
25.1 / 32 GBcomfortable · Q4

Recommended multi-GPU rigs

For Falcon 40B at higher quantization or with more context, a multi-GPU rig gives more headroom.

4× GTX 1070
NVIDIA
32 GB · GTX 10
25.1 / 32 GBcomfortable · Q4
4× GTX 1070 Ti
NVIDIA
32 GB · GTX 10
25.1 / 32 GBcomfortable · Q4
4× GTX 1080
NVIDIA
32 GB · GTX 10
25.1 / 32 GBcomfortable · Q4
4× RTX 2060 Super
NVIDIA
32 GB · RTX 20
25.1 / 32 GBcomfortable · Q4
4× RTX 2070
NVIDIA
32 GB · RTX 20
25.1 / 32 GBcomfortable · Q4
4× RTX 2070 Super
NVIDIA
32 GB · RTX 20
25.1 / 32 GBcomfortable · Q4
4× RTX 2080
NVIDIA
32 GB · RTX 20
25.1 / 32 GBcomfortable · Q4
4× RTX 2080 Super
NVIDIA
32 GB · RTX 20
25.1 / 32 GBcomfortable · Q4

Recommended rig

4× GTX 1070

Falcon 40B with Ubuntu, vLLM, Open WebUI and the model already downloaded.

Configure →

Similar models

VRAM estimates: parameters x bits/8 plus margin. Real performance varies by engine, context length and batch size.
sync: 2026-05-12