From a7365071e47175fb06572d0a56d1bf4116c2f581 Mon Sep 17 00:00:00 2001
From: comfyanonymous <121283862+comfyanonymous@users.noreply.github.com>
Date: Fri, 14 Aug 2026 17:34:40 -0700
Subject: [PATCH] Enable dynamic vram by default on ROCm 7.14 and higher.
 (#15633)

---
 main.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/main.py b/main.py
index eb64726ea..b6f7d6cef 100644
--- a/main.py
+++ b/main.py
@@ -248,7 +248,17 @@ import hook_breaker_ac10a0
 import comfy.memory_management
 import comfy.model_patcher
 
-if args.enable_dynamic_vram or (enables_dynamic_vram() and comfy.model_management.is_nvidia()):
+
+def dynamic_vram_supported():
+    if comfy.model_management.is_nvidia():
+        return True
+    if comfy.model_management.is_amd():
+        if comfy.model_management.rocm_version >= (7, 14):
+            return True
+    return False
+
+
+if args.enable_dynamic_vram or (enables_dynamic_vram() and dynamic_vram_supported()):
     if (not args.enable_dynamic_vram) and (comfy.model_management.torch_version_numeric < (2, 8)):
         logging.warning("Unsupported Pytorch detected. DynamicVRAM support requires Pytorch version 2.8 or later. Falling back to legacy ModelPatcher. VRAM estimates may be unreliable especially on Windows")
     else: