diff --git a/include/drm-uapi/amdgpu_drm.h b/include/drm-uapi/amdgpu_drm.h
index e595e83ef57..e0859e23a36 100644
--- a/include/drm-uapi/amdgpu_drm.h
+++ b/include/drm-uapi/amdgpu_drm.h
@@ -1365,6 +1365,8 @@ struct drm_amdgpu_info_vbios {
 #define AMDGPU_VRAM_TYPE_DDR5  10
 #define AMDGPU_VRAM_TYPE_LPDDR4 11
 #define AMDGPU_VRAM_TYPE_LPDDR5 12
+#define AMDGPU_VRAM_TYPE_HBM3E 13
+#define AMDGPU_VRAM_TYPE_HBM4 14
 
 struct drm_amdgpu_info_device {
 	/** PCI Device ID */
diff --git a/src/amd/common/ac_gpu_info.c b/src/amd/common/ac_gpu_info.c
index ec9f0ee8e8c..e113d583ab7 100644
--- a/src/amd/common/ac_gpu_info.c
+++ b/src/amd/common/ac_gpu_info.c
@@ -2449,11 +2449,7 @@ void ac_get_task_info(const struct radeon_info *info,
 
 uint32_t ac_memory_ops_per_clock(uint32_t vram_type)
 {
-   /* Based on MemoryOpsPerClockTable from PAL. */
    switch (vram_type) {
-   case AMDGPU_VRAM_TYPE_GDDR1:
-   case AMDGPU_VRAM_TYPE_GDDR3: /* last in low-end Evergreen */
-   case AMDGPU_VRAM_TYPE_GDDR4: /* last in R7xx, not used much */
    case AMDGPU_VRAM_TYPE_UNKNOWN:
    default:
       return 0;
@@ -2461,7 +2457,12 @@ uint32_t ac_memory_ops_per_clock(uint32_t vram_type)
    case AMDGPU_VRAM_TYPE_DDR3:
    case AMDGPU_VRAM_TYPE_DDR4:
    case AMDGPU_VRAM_TYPE_LPDDR4:
+   case AMDGPU_VRAM_TYPE_GDDR1:
+   case AMDGPU_VRAM_TYPE_GDDR3: /* last in low-end Evergreen */
+   case AMDGPU_VRAM_TYPE_GDDR4: /* last in R7xx, not used much */
    case AMDGPU_VRAM_TYPE_HBM: /* same for HBM2 and HBM3 */
+   case AMDGPU_VRAM_TYPE_HBM3E:
+   case AMDGPU_VRAM_TYPE_HBM4: /* higher throughput is due to a wider bus */
       return 2;
    case AMDGPU_VRAM_TYPE_DDR5:
    case AMDGPU_VRAM_TYPE_LPDDR5:
diff --git a/src/amd/common/ac_linux_drm.h b/src/amd/common/ac_linux_drm.h
index 6329f08d17b..599244144c1 100644
--- a/src/amd/common/ac_linux_drm.h
+++ b/src/amd/common/ac_linux_drm.h
@@ -60,6 +60,8 @@
 #define AMDGPU_VRAM_TYPE_DDR5  10
 #define AMDGPU_VRAM_TYPE_LPDDR4 11
 #define AMDGPU_VRAM_TYPE_LPDDR5 12
+#define AMDGPU_VRAM_TYPE_HBM3E 13
+#define AMDGPU_VRAM_TYPE_HBM4 14
 
 #define AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2 0
 #define AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4 1
diff --git a/src/amd/common/amd_family.h b/src/amd/common/amd_family.h
index e3b585b388f..5221b04c96d 100644
--- a/src/amd/common/amd_family.h
+++ b/src/amd/common/amd_family.h
@@ -186,6 +186,8 @@ enum amd_vram_type {
    AMD_VRAM_TYPE_DDR5,
    AMD_VRAM_TYPE_LPDDR4,
    AMD_VRAM_TYPE_LPDDR5,
+   AMD_VRAM_TYPE_HBM3E,
+   AMD_VRAM_TYPE_HBM4,
 };
 
 enum vcn_version{