diff --git a/cmd/main.go b/cmd/main.go
index e2490d07..7c248f00 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -60,6 +60,8 @@ const (
 	vcpus                            = "vcpus"
 	memory                           = "memory"
 	vcpusToMemoryRatio               = "vcpus-to-memory-ratio"
+	defaultCores                     = "default-cores"
+	defaultThreadsPerCore            = "default-threads-per-core"
 	cpuArchitecture                  = "cpu-architecture"
 	cpuManufacturer                  = "cpu-manufacturer"
 	gpus                             = "gpus"
@@ -164,6 +166,8 @@ Full docs can be found at github.com/aws/amazon-` + binName
 	// Filter Flags - These will be grouped at the top of the help flags
 
 	cli.Int32MinMaxRangeFlags(vcpus, cli.StringMe("c"), nil, "Number of vcpus available to the instance type.")
+	cli.Int32MinMaxRangeFlags(defaultCores, cli.StringMe("p"), nil, "Number of real cores available to the instance type.")
+	cli.Int32MinMaxRangeFlags(defaultThreadsPerCore, nil, nil, "Default threads per core (i.e., hyperthreading).")
 	cli.ByteQuantityMinMaxRangeFlags(memory, cli.StringMe("m"), nil, "Amount of Memory available (Example: 4 GiB)")
 	cli.RatioFlag(vcpusToMemoryRatio, nil, nil, "The ratio of vcpus to GiBs of memory. (Example: 1:2)")
 	cli.StringOptionsFlag(cpuArchitecture, cli.StringMe("a"), nil, "CPU architecture [x86_64/amd64, x86_64_mac, i386, or arm64]", []string{"x86_64", "x86_64_mac", "amd64", "i386", "arm64"})
@@ -370,6 +374,8 @@ Full docs can be found at github.com/aws/amazon-` + binName
 
 	filters := selector.Filters{
 		VCpusRange:                       cli.Int32RangeMe(flags[vcpus]),
+		DefaultCores:                     cli.Int32RangeMe(flags[defaultCores]),
+		DefaultThreadsPerCore:            cli.Int32RangeMe(flags[defaultThreadsPerCore]),
 		MemoryRange:                      cli.ByteQuantityRangeMe(flags[memory]),
 		VCpusToMemoryRatio:               cli.Float64Me(flags[vcpusToMemoryRatio]),
 		CPUArchitecture:                  cpuArchitectureFilterValue,
diff --git a/pkg/selector/selector.go b/pkg/selector/selector.go
index 897864c3..e11ac625 100644
--- a/pkg/selector/selector.go
+++ b/pkg/selector/selector.go
@@ -55,6 +55,8 @@ const (
 	rootDeviceType                   = "rootDeviceType"
 	hibernationSupported             = "hibernationSupported"
 	vcpusRange                       = "vcpusRange"
+	defaultCores                     = "defaultCores"
+	defaultThreadsPerCore            = "defaultThreadsPerCore"
 	memoryRange                      = "memoryRange"
 	gpuMemoryRange                   = "gpuMemoryRange"
 	gpusRange                        = "gpusRange"
@@ -317,6 +319,8 @@ func (itf Selector) prepareFilter(ctx context.Context, filters Filters, instance
 		rootDeviceType:                   {filters.RootDeviceType, instanceTypeInfo.SupportedRootDeviceTypes},
 		hibernationSupported:             {filters.HibernationSupported, instanceTypeInfo.HibernationSupported},
 		vcpusRange:                       {filters.VCpusRange, instanceTypeInfo.VCpuInfo.DefaultVCpus},
+		defaultCores:                     {filters.DefaultCores, instanceTypeInfo.VCpuInfo.DefaultCores},
+		defaultThreadsPerCore:            {filters.DefaultThreadsPerCore, instanceTypeInfo.VCpuInfo.DefaultThreadsPerCore},
 		memoryRange:                      {filters.MemoryRange, instanceTypeInfo.MemoryInfo.SizeInMiB},
 		gpuMemoryRange:                   {filters.GpuMemoryRange, getTotalGpuMemory(instanceTypeInfo.GpuInfo)},
 		gpusRange:                        {filters.GpusRange, getTotalGpusCount(instanceTypeInfo.GpuInfo)},
diff --git a/pkg/selector/types.go b/pkg/selector/types.go
index 60395ebc..95a1a62d 100644
--- a/pkg/selector/types.go
+++ b/pkg/selector/types.go
@@ -215,6 +215,12 @@ type Filters struct {
 	// VCpusRange filter is a range of acceptable VCpus for the instance type
 	VCpusRange *Int32RangeFilter
 
+	// DefaultCores filter is a range of acceptable real cores for the instance type
+	DefaultCores *Int32RangeFilter
+
+	// DefaultThreadsPerCore is a range of acceptable threads per core
+	DefaultThreadsPerCore *Int32RangeFilter
+
 	// VcpusToMemoryRatio is a ratio of vcpus to memory expressed as a floating point
 	VCpusToMemoryRatio *float64
 
diff --git a/test/e2e/run-test b/test/e2e/run-test
index 74b6f5dd..e590cd81 100755
--- a/test/e2e/run-test
+++ b/test/e2e/run-test
@@ -93,6 +93,18 @@ params=(
 )
 echo "${expected[*]}" | execute_test "24 VCPUs" "${params[@]}"
 
+expected=(c7a.32xlarge m7a.32xlarge r7a.32xlarge)
+params=(
+    "--vcpus=128 --default-cores=128"
+)
+echo "${expected[*]}" | execute_test "128 vCPUs and 128 cores" "${params[@]}"
+
+expected=(c6a.metal m6a.metal r6a.metal)
+params=(
+    "--vcpus=192 --default-cores=96 --baremetal"
+)
+echo "${expected[*]}" | execute_test "192 vCPUs and 96 cores and baremetal" "${params[@]}"
+
 expected=(g2.8xlarge g3.16xlarge g4dn.12xlarge p3.8xlarge)
 params=(
     "--gpus=4"