diff --git a/docs/releases/v0.9.3.md b/docs/releases/v0.9.3.md
index 88496e36..bbb568f3 100644
--- a/docs/releases/v0.9.3.md
+++ b/docs/releases/v0.9.3.md
@@ -24,6 +24,6 @@
 - **The draw replay on several CPU cores is off by default again** (`replay_workers = 0`). With three workers on by
   default in 0.9.1 and 0.9.2 some players' games ended with a lost graphics device; the cause is not found yet. The
   settings menu has it under Game, Testing, as *CPU helper threads (experimental)*: 0 to 8, after a restart.
-- **The other experimental performance settings have rows there too**, each a switch: *Helpers work ahead* (on is
-  `replay_pipe = 4`), *Helpers take small jobs* (on is `replay_small = 16`) and *Start next frame early*
-  (`tail_early`). A row whose setting does nothing without another one is greyed out and says which it needs.
+- **The other experimental performance settings have rows there too**: *Helpers work ahead* (`replay_pipe`, 0 to 4),
+  *Helpers take small jobs* (`replay_small`, 0 to 64) and *Start next frame early* (`tail_early`). A row whose setting
+  does nothing without another one is greyed out and says which it needs.
diff --git a/nx2navi.ini.example b/nx2navi.ini.example
index 51bc287c..59bb6c79 100644
--- a/nx2navi.ini.example
+++ b/nx2navi.ini.example
@@ -92,8 +92,7 @@
 # groups its workers still record. replay_small = N (default 0, needs replay_pipe): a group of N draws or more that is
 # too small to share out goes whole to one worker. Kokiri Forest standing on an RX 7900 XT with FSR 4, tail_early = 1,
 # replay_workers = 5, replay_pipe = 4 and replay_small = 16: 63 instead of 45 fps with all of them off. Also in the
-# menu: Game, Testing, as switches: Helpers work ahead (on is replay_pipe = 4) and Helpers take small jobs (on is
-# replay_small = 16).
+# menu: Game, Testing, Helpers work ahead (replay_pipe) and Helpers take small jobs (replay_small).
 # replay_pipe = 0
 # replay_small = 0
 # EXPERIMENTAL, THE GAME CRASHES WITH 1. 1 lifts the virtual core gate: guest threads run without the console's limit
diff --git a/runtime/ui/menu.cpp b/runtime/ui/menu.cpp
index f44dbacc..04e6c27b 100644
--- a/runtime/ui/menu.cpp
+++ b/runtime/ui/menu.cpp
@@ -1449,9 +1449,7 @@ static void tab_game(float scale) {
     // Testing: experimental rows, then the debug menu where the game version has it
     opt_group_text("Testing");
     // vk_exec.c rw_init and tail_enabled read these at start: each row notes the restart and the bar's Restart does
-    // it. A row whose setting does nothing without another one (rw_init) is greyed out until that one is set. The two
-    // rows under the workers are switches: on writes the value measured best (4 groups at once, groups from 16 draws),
-    // and any other value set in nx2navi.ini shows as on and stays.
+    // it. A row whose setting does nothing without another one (rw_init) is greyed out until that one is set.
     // Automatic first, the default (vk_exec.c vk_exec_replay_workers_auto), named with the count it gives on this PC
     {
         static const char *const vals[] = {"auto", "0", "1", "2", "3", "4", "5", "6", "7", "8"};
@@ -1464,9 +1462,9 @@ static void tab_game(float scale) {
     const bool workers = (!strcmp(wset, "auto") ? vk_exec_replay_workers_auto(nullptr) : atoi(wset)) > 0,
                pipe = workers && cfg_int("NX2NAVI_REPLAY_PIPE") > 0;
     if (!workers) opt_disable_next(UI_MENU_NEEDS_WORKERS);
-    opt_toggle_value("NX2NAVI_REPLAY_PIPE", UI_MENU_REPLAY_PIPE, UI_MENU_REPLAY_PIPE_DESC, "4", "0");
+    opt_slider("NX2NAVI_REPLAY_PIPE", UI_MENU_REPLAY_PIPE, 0, 4, UI_MENU_REPLAY_PIPE_DESC, 1, "%.0f");
     if (!pipe) opt_disable_next(workers ? UI_MENU_NEEDS_PIPE : UI_MENU_NEEDS_WORKERS);
-    opt_toggle_value("NX2NAVI_REPLAY_SMALL", UI_MENU_REPLAY_SMALL, UI_MENU_REPLAY_SMALL_DESC, "16", "0");
+    opt_slider("NX2NAVI_REPLAY_SMALL", UI_MENU_REPLAY_SMALL, 0, 64, UI_MENU_REPLAY_SMALL_DESC, 4, "%.0f");
     opt_toggle("NX2NAVI_TAIL_EARLY", UI_MENU_TAIL_EARLY, UI_MENU_TAIL_EARLY_DESC);
     // The debug menu, a tool for testing with English text of its own: off unless switched on here
     if (dbg_supported()) {
diff --git a/runtime/ui_text.c b/runtime/ui_text.c
index 4110e911..71f132b1 100644
--- a/runtime/ui_text.c
+++ b/runtime/ui_text.c
@@ -513,10 +513,13 @@ static const char *const text_en[UI_TEXT_COUNT] = {
                                     "frames a second on an 8-core CPU. If your game crashes with this on, set it to 0.",
     [UI_MENU_REPLAY_PIPE] = "Helpers work ahead (experimental)",
     [UI_MENU_REPLAY_PIPE_DESC] = "The game carries on with the rest of the frame while the helper threads are still "
-                                 "busy, instead of waiting for them. A small gain: 1 to 2% more frames a second.",
+                                 "busy, instead of waiting for them. The number is how many batches of work the "
+                                 "helpers may have at once; 0 turns it off. A small gain: 4 gave 1 to 2% more frames a "
+                                 "second.",
     [UI_MENU_REPLAY_SMALL] = "Helpers take small jobs (experimental)",
     [UI_MENU_REPLAY_SMALL_DESC] = "Gives the helper threads the smaller batches of drawing work too, not only the large "
-                                  "ones. A small gain: about 2% more frames a second.",
+                                  "ones. The number is the smallest batch a helper takes, counted in draw calls; 0 "
+                                  "turns it off. A small gain: 16 gave about 2% more frames a second.",
     [UI_MENU_TAIL_EARLY] = "Start next frame early (experimental)",
     [UI_MENU_TAIL_EARLY_DESC] = "The game starts on its next frame while the graphics card is still finishing the "
                                 "current one. The biggest gain of these settings: 19 to 29% more frames a second with "