diff --git a/Core/Debugger/MemBlockInfo.h b/Core/Debugger/MemBlockInfo.h
index 066d33113f..8a36179258 100644
--- a/Core/Debugger/MemBlockInfo.h
+++ b/Core/Debugger/MemBlockInfo.h
@@ -48,15 +48,15 @@ struct MemBlockInfo {
 
 void NotifyMemInfo(MemBlockFlags flags, uint32_t start, uint32_t size, const char *str, size_t strLength);
 
-// This lets us avoid calling strlen on string constants, instead the string length (including null)
-// is computed at compile time.
+// This lets us avoid calling strlen on string constants, instead the string length (including null,
+// so we have to subtract 1) is computed at compile time.
 template<size_t count>
 inline void NotifyMemInfo(MemBlockFlags flags, uint32_t start, uint32_t size, const char(&str)[count]) {
-	NotifyMemInfo(flags, start, size, str, count);
+	NotifyMemInfo(flags, start, size, str, count - 1);
 }
 
-inline void NotifyMemInfo(MemBlockFlags flags, uint32_t start, uint32_t size, const std::string &str) {
-	NotifyMemInfo(flags, start, size, str.c_str(), str.size() + 1);
+inline void NotifyMemInfo(MemBlockFlags flags, uint32_t start, uint32_t size, const char *str) {
+	NotifyMemInfo(flags, start, size, str, strlen(str));
 }
 
 std::vector<MemBlockInfo> FindMemInfo(uint32_t start, uint32_t size);
diff --git a/GPU/Common/FramebufferManagerCommon.cpp b/GPU/Common/FramebufferManagerCommon.cpp
index 2647e44427..685a9f0934 100644
--- a/GPU/Common/FramebufferManagerCommon.cpp
+++ b/GPU/Common/FramebufferManagerCommon.cpp
@@ -1294,14 +1294,16 @@ void FramebufferManagerCommon::ResizeFramebufFBO(VirtualFramebuffer *vfb, int w,
 	}
 
 	shaderManager_->DirtyLastShader();
-	char tag[256];
-	snprintf(tag, sizeof(tag), "FB_%08x_%08x_%dx%d_%s", vfb->fb_address, vfb->z_address, w, h, GeBufferFormatToString(vfb->format));
+	char tag[128];
+	size_t len = snprintf(tag, sizeof(tag), "FB_%08x_%08x_%dx%d_%s", vfb->fb_address, vfb->z_address, w, h, GeBufferFormatToString(vfb->format));
 	vfb->fbo = draw_->CreateFramebuffer({ vfb->renderWidth, vfb->renderHeight, 1, 1, true, tag });
 	if (Memory::IsVRAMAddress(vfb->fb_address) && vfb->fb_stride != 0) {
-		NotifyMemInfo(MemBlockFlags::ALLOC, vfb->fb_address, ColorBufferByteSize(vfb), tag);
+		NotifyMemInfo(MemBlockFlags::ALLOC, vfb->fb_address, ColorBufferByteSize(vfb), tag, len);
 	}
 	if (Memory::IsVRAMAddress(vfb->z_address) && vfb->z_stride != 0) {
-		NotifyMemInfo(MemBlockFlags::ALLOC, vfb->z_address, vfb->fb_stride * vfb->height * sizeof(uint16_t), std::string("Z_") + tag);
+		char buf[128];
+		size_t len = snprintf(buf, sizeof(buf), "Z_%s", tag);
+		NotifyMemInfo(MemBlockFlags::ALLOC, vfb->z_address, vfb->fb_stride * vfb->height * sizeof(uint16_t), buf, len);
 	}
 	if (old.fbo) {
 		INFO_LOG(FRAMEBUF, "Resizing FBO for %08x : %dx%dx%s", vfb->fb_address, w, h, GeBufferFormatToString(vfb->format));
diff --git a/GPU/Common/TextureCacheCommon.cpp b/GPU/Common/TextureCacheCommon.cpp
index 949c08c92e..b54820473b 100644
--- a/GPU/Common/TextureCacheCommon.cpp
+++ b/GPU/Common/TextureCacheCommon.cpp
@@ -1323,7 +1323,9 @@ void TextureCacheCommon::DecodeTextureLevel(u8 *out, int outPitch, GETextureForm
 	const u8 *texptr = Memory::GetPointer(texaddr);
 	const uint32_t byteSize = (textureBitsPerPixel[format] * bufw * h) / 8;
 
-	NotifyMemInfo(MemBlockFlags::TEXTURE, texaddr, byteSize, StringFromFormat("Texture_%08x_%dx%d_%s", texaddr, w, h, GeTextureFormatToString(format, clutformat)));
+	char buf[128];
+	size_t len = snprintf(buf, sizeof(buf), "Tex_%08x_%dx%d_%s", texaddr, w, h, GeTextureFormatToString(format, clutformat));
+	NotifyMemInfo(MemBlockFlags::TEXTURE, texaddr, byteSize, buf, len);
 
 	switch (format) {
 	case GE_TFMT_CLUT4:
diff --git a/GPU/Vulkan/TextureCacheVulkan.cpp b/GPU/Vulkan/TextureCacheVulkan.cpp
index 31ea90b565..a108395022 100644
--- a/GPU/Vulkan/TextureCacheVulkan.cpp
+++ b/GPU/Vulkan/TextureCacheVulkan.cpp
@@ -862,7 +862,7 @@ void TextureCacheVulkan::BuildTexture(TexCacheEntry *const entry) {
 		}
 
 		char texName[128]{};
-		snprintf(texName, sizeof(texName), "texture_%08x_%s", entry->addr, GeTextureFormatToString((GETextureFormat)entry->format, gstate.getClutPaletteFormat()));
+		snprintf(texName, sizeof(texName), "tex_%08x_%s", entry->addr, GeTextureFormatToString((GETextureFormat)entry->format, gstate.getClutPaletteFormat()));
 		image->SetTag(texName);
 
 		bool allocSuccess = image->CreateDirect(cmdInit, allocator_, w * scaleFactor, h * scaleFactor, maxLevelToGenerate + 1, actualFmt, imageLayout, usage, mapping);