Type CPU / Microprocessor Market segment Desktop Family Intel Celeron Dual-Core Model number ? E3300 CPU part numbers AT80571RG0601ML is an OEM/tray microprocessor BX80571E3300 is a boxed processor with fan and heatsink (English version) BXC80571E3300 is a boxed processor with fan and heatsink (Chinese version) Frequency ? 2.5 GHz / 2500 MHz Bus speed ? 800 MHz Clock multiplier ? 12.5 Package 775-land Flip Chip LGA (FC-LGA8) Socket Socket 775 / T / LGA775 Size 1.48" x 1.48" / 3.75cm x 3.75cm Weight 0.8oz / 23.4g (CPU) 12.4oz / 351g (Box) Fan/heatsink E33681-001 Introduction date August 2009 Price at introduction $53 S-spec numbers Part number Production processors SLGU4 AT80571RG0601ML + BX80571E3300 + BXC80571E3300 + Architecture / Microarchitecture Instruction set x86 Microarchitecture Core Processor codename Wolfdale-3M Core stepping ? R0 CPUIDs 1067A Manufacturing process 0.045 micron Data width 64 bit The number of CPU cores 2 The number of threads 2 Floating Point Unit Integrated Level 1 cache size ? 2 x 32 KB instruction caches 2 x 32 KB data caches Level 2 cache size ? 1 MB Multiprocessing Uniprocessor Extensions & Technologies MMX instructions SSE / Streaming SIMD Extensions SSE2 / Streaming SIMD Extensions 2 SSE3 / Streaming SIMD Extensions 3 SSSE3 / Supplemental Streaming SIMD Extensions 3 EM64T / Extended Memory 64 technology / Intel 64 ? VT-x / Virtualization technology ? Security Features NX / XD / Execute disable bit ? Low power features HALT state Extended HALT state Stop Grant state ? Extended Stop Grant state Sleep state ? Deep Sleep state ? Deeper Sleep state ? Enhanced Intel SpeedStep technology ? Integrated Graphics Processing Unit None Electrical / Thermal parameters V core ? 0.85V - 1.3625V Minimum/Maximum operating temperature ? 5°C - 74.1°C Maximum power dissipation ? 98.89 Watt Thermal Design Power ? 65 Watt