Laptop/Mobile NVIDIA GPUs with correct VRAM and bandwidth

engine/hardware.py

@@ -44,6 +44,18 @@ GPU_PRESETS: dict[str, float] = {
     # Older / budget NVIDIA
     "NVIDIA GTX 1660 (6 GB)": 6,
     "NVIDIA GTX 1650 (4 GB)": 4,
+    # NVIDIA Laptop / Mobile RTX — different chips: less VRAM and ~half the
+    # memory bandwidth of the desktop card with the same name.
+    "RTX 5090 Laptop (24 GB)": 24, "RTX 5080 Laptop (16 GB)": 16,
+    "RTX 5070 Ti Laptop (12 GB)": 12, "RTX 5070 Laptop (8 GB)": 8,
+    "RTX 5060 Laptop (8 GB)": 8, "RTX 5050 Laptop (8 GB)": 8,
+    "RTX 4090 Laptop (16 GB)": 16, "RTX 4080 Laptop (12 GB)": 12,
+    "RTX 4070 Laptop (8 GB)": 8, "RTX 4060 Laptop (8 GB)": 8,
+    "RTX 4050 Laptop (6 GB)": 6,
+    "RTX 3080 Ti Laptop (16 GB)": 16, "RTX 3080 Laptop (16 GB)": 16,
+    "RTX 3070 Ti Laptop (8 GB)": 8, "RTX 3070 Laptop (8 GB)": 8,
+    "RTX 3060 Laptop (6 GB)": 6, "RTX 3050 Ti Laptop (4 GB)": 4,
+    "RTX 3050 Laptop (4 GB)": 4,
     # AMD
     "AMD RX 7900 XTX (24 GB)": 24,
     "AMD RX 7800 XT (16 GB)": 16,

static/app.js

@@ -62,7 +62,20 @@ const GPUS = {
     "RTX 5090 (32 GB)","RTX 5080 (16 GB)","RTX 5070 Ti (16 GB)","RTX 5070 (12 GB)","RTX 5060 (8 GB)",
     "RTX 4090 (24 GB)","RTX 4080 (16 GB)","RTX 4070 (12 GB)","RTX 4060 (8 GB)",
     "RTX 3090 (24 GB)","RTX 3080 (10 GB)","RTX 3070 (8 GB)","RTX 3060 (12 GB)","RTX 3050 (8 GB)",
-    "GTX 1660 (6 GB)","GTX 1650 (4 GB)","Laptop RTX (not sure of model)",
+    "GTX 1660 (6 GB)","GTX 1650 (4 GB)",
+  ],
+  // Laptop (Mobile) NVIDIA GPUs are different chips: less VRAM and roughly half
+  // the memory bandwidth of the desktop card with the same name (a laptop 5090
+  // is 24 GB, not 32). Shown when the computer is a laptop. VRAM in the label
+  // feeds the engine; bandwidth comes from data/gpu_specs.json by name.
+  nvidia_laptop: [
+    "RTX 5090 Laptop (24 GB)","RTX 5080 Laptop (16 GB)","RTX 5070 Ti Laptop (12 GB)",
+    "RTX 5070 Laptop (8 GB)","RTX 5060 Laptop (8 GB)","RTX 5050 Laptop (8 GB)",
+    "RTX 4090 Laptop (16 GB)","RTX 4080 Laptop (12 GB)","RTX 4070 Laptop (8 GB)",
+    "RTX 4060 Laptop (8 GB)","RTX 4050 Laptop (6 GB)",
+    "RTX 3080 Ti Laptop (16 GB)","RTX 3080 Laptop (16 GB)","RTX 3070 Ti Laptop (8 GB)",
+    "RTX 3070 Laptop (8 GB)","RTX 3060 Laptop (6 GB)","RTX 3050 Ti Laptop (4 GB)",
+    "RTX 3050 Laptop (4 GB)","Laptop RTX (not sure of model)",
   ],
   amd:    ["RX 7900 XTX (24 GB)","RX 7800 XT (16 GB)","RX 7600 (8 GB)","RX 6700 XT (12 GB)","Built-in Radeon"],
   apple:  ["M-series base (8 GB)","M-series Pro (16 GB)","M-series Max (32 GB)","M-series Ultra (64 GB)"],
@@ -157,7 +170,10 @@ function wireTaskToggle() {
 
 // ---- GPU select depends on provider --------------------------------------
 function fillGpu() {
-  const list = GPUS[state.provider] || [];
+  // On a laptop, NVIDIA means the Mobile parts (different VRAM and bandwidth).
+  const key = (state.provider === "nvidia" && /laptop/i.test(state.computer))
+    ? "nvidia_laptop" : state.provider;
+  const list = GPUS[key] || GPUS[state.provider] || [];
   const sel = $("#gpu");
   if (!list.length) { sel.style.display = "none"; sel.innerHTML = ""; }
   else { sel.style.display = "block"; sel.innerHTML = list.map(g => `<option>${g}</option>`).join(""); }