# qemu -cpu ?
x86 Opteron_G4
x86 Opteron_G3
x86 Opteron_G2
x86 Opteron_G1
x86 SandyBridge
x86 Westmere
x86 Nehalem
x86 Penryn
x86 Conroe
x86 [n270]
x86 [athlon]
x86 [pentium3]
x86 [pentium2]
x86 [pentium]
x86 [486]
x86 [coreduo]
x86 [kvm32]
x86 [qemu32]
x86 [kvm64]
x86 [core2duo]
x86 [phenom]
x86 [qemu64]
Default
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 2
model name : QEMU Virtual CPU version 1.2.2
stepping : 3
microcode : 0x1
cpu MHz : 2399.548
cache size : 4096 KB
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm rep_good nopl pni cx16 hypervisor lahf_lm
bogomips : 4799.09
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
-cpu qemu64
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 2
model name : QEMU Virtual CPU version 1.2.2
stepping : 3
microcode : 0x1
cpu MHz : 2399.548
cache size : 4096 KB
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm rep_good nopl pni cx16 hypervisor lahf_lm
bogomips : 4799.09
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
-cpu Conroe
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 2
model name : Intel Celeron_4x0 (Conroe/Merom Class Core 2)
stepping : 3
microcode : 0x1
cpu MHz : 2399.548
cache size : 2048 KB
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm rep_good nopl pni ssse3 hypervisor lahf_lm
bogomips : 4799.09
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
-cpu SandyBridge
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 42
model name : Intel Xeon E312xx (Sandy Bridge)
stepping : 1
microcode : 0x1
cpu MHz : 2399.548
cache size : 4096 KB
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx lm constant_tsc arch_perfmon rep_good nopl pni ssse3 cx16 x2apic hypervisor lahf_lm
bogomips : 4799.09
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
-cpu core2duo
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz
stepping : 11
microcode : 0x1
cpu MHz : 2399.548
cache size : 4096 KB
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx lm constant_tsc arch_perfmon rep_good nopl pni ssse3 cx16 hypervisor lahf_lm
bogomips : 4799.09
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
-cpu phenom
processor : 3
vendor_id : GenuineIntel
cpu family : 16
model : 2
model name : AMD Phenom(tm) 9550 Quad-Core Processor
stepping : 3
microcode : 0x1
cpu MHz : 2399.548
cache size : 4096 KB
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx lm nopl pni cx16 hypervisor lahf_lm
bogomips : 4799.09
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
-cpu Penryn
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 2
model name : Intel Core 2 Duo P9xxx (Penryn Class Core 2)
stepping : 3
microcode : 0x1
cpu MHz : 2399.548
cache size : 2048 KB
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm rep_good nopl pni ssse3 cx16 hypervisor lahf_lm
bogomips : 4799.09
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
-cpu Nehalem
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 2
model name : Intel Core i7 9xx (Nehalem Class Core i7)
stepping : 3
microcode : 0x1
cpu MHz : 2399.548
cache size : 2048 KB
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm rep_good nopl pni ssse3 cx16 hypervisor lahf_lm
bogomips : 4799.09
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
-cpu coreduo