diff --git a/DisplayCommands/ByteGrid.cs b/DisplayCommands/ByteGrid.cs
index 2572098..6b70e44 100644
--- a/DisplayCommands/ByteGrid.cs
+++ b/DisplayCommands/ByteGrid.cs
@@ -2,17 +2,17 @@ using System.Diagnostics;
 
 namespace DisplayCommands;
 
-public class ByteGrid(ushort width, ushort height)
+public sealed class ByteGrid(ushort width, ushort height) : IEquatable<ByteGrid>
 {
     public ushort Height { get; } = height;
-    
+
     public ushort Width { get; } = width;
-    
+
     internal Memory<byte> Data { get; } = new byte[width * height].AsMemory();
 
     public byte this[ushort x, ushort y]
     {
-        get => Data.Span[ GetIndex(x, y)];
+        get => Data.Span[GetIndex(x, y)];
         set => Data.Span[GetIndex(x, y)] = value;
     }
 
@@ -24,4 +24,16 @@ public class ByteGrid(ushort width, ushort height)
     }
 
     public void Clear() => Data.Span.Clear();
-}
+
+    public bool Equals(ByteGrid? other)
+    {
+        if (ReferenceEquals(null, other)) return false;
+        if (ReferenceEquals(this, other)) return true;
+        return Height == other.Height && Width == other.Width && Data.Span.SequenceEqual(other.Data.Span);
+    }
+
+    public override bool Equals(object? obj) => ReferenceEquals(this, obj) || (obj is ByteGrid other && Equals(other));
+    public override int GetHashCode() => HashCode.Combine(Height, Width, Data);
+    public static bool operator ==(ByteGrid? left, ByteGrid? right) => Equals(left, right);
+    public static bool operator !=(ByteGrid? left, ByteGrid? right) => !Equals(left, right);
+}
\ No newline at end of file
diff --git a/DisplayCommands/Cp437Grid.cs b/DisplayCommands/Cp437Grid.cs
index 0602d15..3198f37 100644
--- a/DisplayCommands/Cp437Grid.cs
+++ b/DisplayCommands/Cp437Grid.cs
@@ -3,16 +3,16 @@ using System.Text;
 
 namespace DisplayCommands;
 
-public sealed class Cp437Grid(ushort width, ushort height)
+public sealed class Cp437Grid(ushort width, ushort height) : IEquatable<Cp437Grid>
 {
     private readonly ByteGrid _byteGrid = new(width, height);
-    
+
     public ushort Height { get; } = height;
-    
+
     public ushort Width { get; } = width;
 
     internal Memory<byte> Data => _byteGrid.Data;
-    
+
     private readonly Encoding _encoding = Encoding.GetEncoding(437);
 
     public char this[ushort x, ushort y]
@@ -47,7 +47,6 @@ public sealed class Cp437Grid(ushort width, ushort height)
         var consumed = _encoding.GetBytes(valuesStr, convertedStr);
         Debug.Assert(consumed == 1);
         return convertedStr[0];
-        
     }
 
     private char ByteToChar(byte b)
@@ -57,4 +56,16 @@ public sealed class Cp437Grid(ushort width, ushort height)
         _encoding.GetChars(valueBytes, resultStr);
         return resultStr[0];
     }
+
+    public bool Equals(Cp437Grid? other)
+    {
+        if (ReferenceEquals(null, other)) return false;
+        if (ReferenceEquals(this, other)) return true;
+        return Height == other.Height && Width == other.Width && _byteGrid.Equals(other._byteGrid);
+    }
+
+    public override bool Equals(object? obj) => ReferenceEquals(this, obj) || (obj is Cp437Grid other && Equals(other));
+    public override int GetHashCode() => HashCode.Combine(_byteGrid, Height, Width);
+    public static bool operator ==(Cp437Grid? left, Cp437Grid? right) => Equals(left, right);
+    public static bool operator !=(Cp437Grid? left, Cp437Grid? right) => !Equals(left, right);
 }
\ No newline at end of file
diff --git a/DisplayCommands/PixelGrid.cs b/DisplayCommands/PixelGrid.cs
index e84c84e..ea40ab5 100644
--- a/DisplayCommands/PixelGrid.cs
+++ b/DisplayCommands/PixelGrid.cs
@@ -2,7 +2,7 @@ using System.Diagnostics;
 
 namespace DisplayCommands;
 
-public sealed class PixelGrid(ushort width, ushort height)
+public sealed class PixelGrid(ushort width, ushort height) : IEquatable<PixelGrid>
 {
     private readonly ByteGrid _byteGrid = new((ushort)(width / 8u), height);
 
@@ -34,6 +34,18 @@ public sealed class PixelGrid(ushort width, ushort height)
 
     public void Clear() => _byteGrid.Clear();
 
+    public bool Equals(PixelGrid? other)
+    {
+        if (ReferenceEquals(null, other)) return false;
+        if (ReferenceEquals(this, other)) return true;
+        return Width == other.Width && Height == other.Height && _byteGrid.Equals(other._byteGrid);
+    }
+
+    public override bool Equals(object? obj) => ReferenceEquals(this, obj) || (obj is PixelGrid other && Equals(other));
+    public override int GetHashCode() => HashCode.Combine(_byteGrid, Width, Height);
+    public static bool operator ==(PixelGrid? left, PixelGrid? right) => Equals(left, right);
+    public static bool operator !=(PixelGrid? left, PixelGrid? right) => !Equals(left, right);
+
     private (ushort byteIndex, byte bitInByteMask) GetIndexes(int x)
     {
         Debug.Assert(x < Width);
diff --git a/TanksServer/Interactivity/SendToServicePointDisplay.cs b/TanksServer/Interactivity/SendToServicePointDisplay.cs
index 0061a02..50d6883 100644
--- a/TanksServer/Interactivity/SendToServicePointDisplay.cs
+++ b/TanksServer/Interactivity/SendToServicePointDisplay.cs
@@ -13,6 +13,7 @@ internal sealed class SendToServicePointDisplay : ITickStep
     private readonly PlayerServer _players;
     private readonly ILogger<SendToServicePointDisplay> _logger;
     private readonly IDisplayConnection _displayConnection;
+    private PixelGrid? _lastSentFrame;
 
     private DateTime _nextFailLog = DateTime.Now;
 
@@ -50,7 +51,12 @@ internal sealed class SendToServicePointDisplay : ITickStep
         try
         {
             await _displayConnection.SendCp437DataAsync(MapService.TilesPerRow, 0, _scoresBuffer);
-            await _displayConnection.SendBitmapLinearWindowAsync(0, 0, _lastFinishedFrameProvider.LastFrame);
+
+            var currentFrame = _lastFinishedFrameProvider.LastFrame;
+            if (_lastSentFrame == currentFrame)
+                return;
+            _lastSentFrame = currentFrame;
+            await _displayConnection.SendBitmapLinearWindowAsync(0, 0, _lastSentFrame);
         }
         catch (SocketException ex)
         {
diff --git a/TanksServer/appsettings.json b/TanksServer/appsettings.json
index b8cbeea..f346790 100644
--- a/TanksServer/appsettings.json
+++ b/TanksServer/appsettings.json
@@ -24,7 +24,7 @@
     "MoveSpeed": 1.4,
     "TurnSpeed": 0.4,
     "ShootDelayMs": 400,
-    "BulletSpeed": 8
+    "BulletSpeed": 3
   },
   "Players": {
     "SpawnDelayMs": 3000,