diff --git a/av1/encoder/nonrd_pickmode.c b/av1/encoder/nonrd_pickmode.c
index 45d81aa..317d5c7 100644
--- a/av1/encoder/nonrd_pickmode.c
+++ b/av1/encoder/nonrd_pickmode.c
@@ -2494,7 +2494,8 @@
     return true;
 
   // For screen content: skip mode testing based on source_sad.
-  if (cpi->oxcf.tune_cfg.content == AOM_CONTENT_SCREEN) {
+  if (cpi->oxcf.tune_cfg.content == AOM_CONTENT_SCREEN &&
+      !x->force_zeromv_skip_for_blk) {
     // If source_sad is computed: skip non-zero motion
     // check for stationary (super)blocks. Otherwise if superblock
     // has motion skip the modes with zero motion on last reference
@@ -3113,6 +3114,34 @@
   }
 }
 
+static AOM_INLINE bool enable_palette(AV1_COMP *cpi, bool is_mode_intra,
+                                      BLOCK_SIZE bsize,
+                                      unsigned int source_variance,
+                                      int force_zeromv_skip,
+                                      int skip_idtx_palette,
+                                      int force_palette_test) {
+  if (!cpi->oxcf.tool_cfg.enable_palette) return false;
+  if (!av1_allow_palette(cpi->common.features.allow_screen_content_tools,
+                         bsize)) {
+    return false;
+  }
+  if (skip_idtx_palette) return false;
+
+  if (cpi->sf.rt_sf.prune_palette_search_nonrd > 1 &&
+      ((cpi->rc.high_source_sad && cpi->ppi->rtc_ref.non_reference_frame) ||
+       bsize > BLOCK_16X16)) {
+    return false;
+  }
+
+  if ((is_mode_intra || force_palette_test) && source_variance > 0 &&
+      !force_zeromv_skip &&
+      (cpi->rc.high_source_sad || source_variance > 300)) {
+    return true;
+  } else {
+    return false;
+  }
+}
+
 /*!\brief AV1 inter mode selection based on Non-RD optimized model.
  *
  * \ingroup nonrd_mode_search
@@ -3468,18 +3497,9 @@
                           x->content_state_sb.source_sad_nonrd != kZeroSad &&
                           !cpi->rc.high_source_sad;
 
-  int try_palette =
-      !skip_idtx_palette && cpi->oxcf.tool_cfg.enable_palette &&
-      av1_allow_palette(cpi->common.features.allow_screen_content_tools,
-                        mi->bsize);
-  try_palette =
-      try_palette &&
-      (is_mode_intra(best_pickmode->best_mode) || force_palette_test) &&
-      x->source_variance > 0 && !x->force_zeromv_skip_for_blk &&
-      (cpi->rc.high_source_sad || x->source_variance > 300);
-
-  if (rt_sf->prune_palette_search_nonrd > 1 && bsize > BLOCK_16X16)
-    try_palette = 0;
+  bool try_palette = enable_palette(
+      cpi, is_mode_intra(best_pickmode->best_mode), bsize, x->source_variance,
+      x->force_zeromv_skip_for_blk, skip_idtx_palette, force_palette_test);
 
   // Perform screen content mode evaluation for non-rd
   handle_screen_content_mode_nonrd(
diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index a788af8..a65ac30 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -1592,6 +1592,7 @@
       sf->rt_sf.prune_h_pred_using_best_mode_so_far = true;
       sf->rt_sf.enable_intra_mode_pruning_using_neighbors = true;
     }
+    sf->rt_sf.skip_encoding_non_reference_slide_change = 1;
     sf->rt_sf.skip_newmv_flat_blocks_screen = 1;
     sf->rt_sf.use_idtx_nonrd = 1;
     sf->rt_sf.higher_thresh_scene_detection = 0;
@@ -1616,6 +1617,12 @@
       sf->mv_sf.search_method = NSTEP;
       sf->rt_sf.fullpel_search_step_param = 2;
     }
+    if (cpi->rc.high_source_sad && cpi->ppi->rtc_ref.non_reference_frame) {
+      sf->rt_sf.use_idtx_nonrd = 0;
+      sf->rt_sf.prefer_large_partition_blocks = 1;
+      sf->mv_sf.subpel_search_method = SUBPEL_TREE_PRUNED_MORE;
+      sf->rt_sf.fullpel_search_step_param = 10;
+    }
     sf->rt_sf.partition_direct_merging = 0;
     sf->hl_sf.accurate_bit_estimate = 0;
     // This feature is for nonrd_pickmode.
@@ -2311,6 +2318,7 @@
   rt_sf->force_only_last_ref = 0;
   rt_sf->higher_thresh_scene_detection = 1;
   rt_sf->skip_newmv_flat_blocks_screen = 0;
+  rt_sf->skip_encoding_non_reference_slide_change = 0;
 }
 
 static fractional_mv_step_fp
diff --git a/av1/encoder/speed_features.h b/av1/encoder/speed_features.h
index 77e6622..c768ff3 100644
--- a/av1/encoder/speed_features.h
+++ b/av1/encoder/speed_features.h
@@ -1916,6 +1916,9 @@
 
   // FLag to indicate skip testing of NEWMV for flat blocks.
   int skip_newmv_flat_blocks_screen;
+
+  // Flag to force skip encoding for non_reference_frame on slide/scene changes.
+  int skip_encoding_non_reference_slide_change;
 } REAL_TIME_SPEED_FEATURES;
 
 /*!\endcond */
diff --git a/av1/encoder/var_based_part.c b/av1/encoder/var_based_part.c
index f664795..2c9772d 100644
--- a/av1/encoder/var_based_part.c
+++ b/av1/encoder/var_based_part.c
@@ -27,6 +27,7 @@
 #include "av1/common/blockd.h"
 
 #include "av1/encoder/encodeframe.h"
+#include "av1/encoder/encodeframe_utils.h"
 #include "av1/encoder/var_based_part.h"
 #include "av1/encoder/reconinter_enc.h"
 #include "av1/encoder/rdopt_utils.h"
@@ -1620,6 +1621,17 @@
   unsigned int y_sad_last = UINT_MAX;
   BLOCK_SIZE bsize = is_small_sb ? BLOCK_64X64 : BLOCK_128X128;
 
+  // Force skip encoding for all superblocks on slide change for
+  // non_reference_frames.
+  if (cpi->sf.rt_sf.skip_encoding_non_reference_slide_change &&
+      cpi->rc.high_source_sad && cpi->ppi->rtc_ref.non_reference_frame) {
+    MB_MODE_INFO **mi = cm->mi_params.mi_grid_base +
+                        get_mi_grid_idx(&cm->mi_params, mi_row, mi_col);
+    av1_set_fixed_partitioning(cpi, tile, mi, mi_row, mi_col, bsize);
+    x->force_zeromv_skip_for_sb = 1;
+    return 0;
+  }
+
   // Ref frame used in partitioning.
   MV_REFERENCE_FRAME ref_frame_partition = LAST_FRAME;