From 7d593baf919f468670425c0d9068ead8a3e9b05f Mon Sep 17 00:00:00 2001
From: comfyanonymous <121283862+comfyanonymous@users.noreply.github.com>
Date: Tue, 29 Jul 2025 01:07:45 -0700
Subject: [PATCH] Extra reserved vram on large cards on windows. (#9093)

---
 comfy/model_management.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/comfy/model_management.py b/comfy/model_management.py
index 232d363aa..9e6149d60 100644
--- a/comfy/model_management.py
+++ b/comfy/model_management.py
@@ -529,6 +529,8 @@ WINDOWS = any(platform.win32_ver())
 EXTRA_RESERVED_VRAM = 400 * 1024 * 1024
 if WINDOWS:
     EXTRA_RESERVED_VRAM = 600 * 1024 * 1024 #Windows is higher because of the shared vram issue
+    if total_vram > (15 * 1024):  # more extra reserved vram on 16GB+ cards
+        EXTRA_RESERVED_VRAM += 100 * 1024 * 1024
 
 if args.reserve_vram is not None:
     EXTRA_RESERVED_VRAM = args.reserve_vram * 1024 * 1024 * 1024