diff --git a/projects/clr/rocclr/runtime/device/device.hpp b/projects/clr/rocclr/runtime/device/device.hpp
index 15d8d631ab..1916ef12e5 100644
--- a/projects/clr/rocclr/runtime/device/device.hpp
+++ b/projects/clr/rocclr/runtime/device/device.hpp
@@ -382,6 +382,9 @@ struct Info : public amd::EmbeddedObject {
   //! Max size in bytes of a constant buffer allocation.
   cl_ulong maxConstantBufferSize_;
 
+  //! Preferred size in bytes of a constant buffer allocation.
+  cl_ulong preferredConstantBufferSize_;
+
   //! Max number of arguments declared
   cl_uint maxConstantArgs_;
 
diff --git a/projects/clr/rocclr/runtime/device/gpu/gpudevice.cpp b/projects/clr/rocclr/runtime/device/gpu/gpudevice.cpp
index b6d3b77974..44875714c1 100644
--- a/projects/clr/rocclr/runtime/device/gpu/gpudevice.cpp
+++ b/projects/clr/rocclr/runtime/device/gpu/gpudevice.cpp
@@ -434,6 +434,7 @@ void NullDevice::fillDeviceInfo(const CALdeviceattribs& calAttr, const gslMemInf
   //! should be able to create a view with 256 bytes alignement
   info_.memBaseAddrAlign_ = 8 * MemBaseAlignment;
 
+  info_.preferredConstantBufferSize_ = 64 * Ki;
   info_.maxConstantBufferSize_ = (settings().ciPlus_) ? info_.maxMemAllocSize_ : 64 * Ki;
   info_.maxConstantArgs_ = MaxConstArguments;
 
diff --git a/projects/clr/rocclr/runtime/device/pal/paldevice.cpp b/projects/clr/rocclr/runtime/device/pal/paldevice.cpp
index 2fd57ee4f9..85e86b2ddb 100644
--- a/projects/clr/rocclr/runtime/device/pal/paldevice.cpp
+++ b/projects/clr/rocclr/runtime/device/pal/paldevice.cpp
@@ -377,6 +377,7 @@ void NullDevice::fillDeviceInfo(const Pal::DeviceProperties& palProp,
   //! should be able to create a view with 256 bytes alignement
   info_.memBaseAddrAlign_ = 8 * MemBaseAlignment;
 
+  info_.preferredConstantBufferSize_ = 64 * Ki;
   info_.maxConstantBufferSize_ = info_.maxMemAllocSize_;
   info_.maxConstantArgs_ = MaxConstArguments;
 
diff --git a/projects/clr/rocclr/runtime/device/rocm/rocdevice.cpp b/projects/clr/rocclr/runtime/device/rocm/rocdevice.cpp
index e719fdd9fb..315343dcb6 100644
--- a/projects/clr/rocclr/runtime/device/rocm/rocdevice.cpp
+++ b/projects/clr/rocclr/runtime/device/rocm/rocdevice.cpp
@@ -933,6 +933,7 @@ bool Device::populateOCLDeviceConstants() {
   info_.minDataTypeAlignSize_ = sizeof(cl_long16);
 
   info_.maxConstantArgs_ = 8;
+  info_.preferredConstantBufferSize_ = 64 * Ki;
   info_.maxConstantBufferSize_ = info_.maxMemAllocSize_;
   info_.localMemType_ = CL_LOCAL;
   info_.errorCorrectionSupport_ = false;