Intel Core 2 Duo E7400
General informationTypeCPU / MicroprocessorMarket segmentDesktopFamilyIntel Core 2 DuoModel number ? E7400CPU part numbers
- AT80571PH0723M is an OEM/tray microprocessor
- AT80571PH0723ML is an OEM/tray microprocessor
- BX80571E7400 is a boxed processor with fan and heatsink (English version)
- BXC80571E7400 is a boxed processor with fan and heatsink (Chinese version)
Frequency ? 2800 MHzBus speed ? 1066 MHzClock multiplier ? 10.5Package775-land Flip-Chip Land Grid Array (FC-LGA8)
1.48" x 1.48" (3.75 cm x 3.75 cm)SocketSocket 775Weight0.8oz / 23.3gIntroduction dateOct 19, 2008End-of-Life dateLast order date for consumer processors is August 26, 2011
Last shipment date for consumer tray processors is February 10, 2012Price at introduction$133S-spec numbersPart numberProduction processors SLB9YSLGQ8SLGW3AT80571PH0723M++ AT80571PH0723ML +BX80571E7400+++BXC80571E7400+ +Architecture / MicroarchitectureMicroarchitectureCoreProcessor core ? Wolfdale-3MCore stepping ? R0 (SLB9Y, SLGQ8, SLGW3)CPUID1067A (SLB9Y, SLGQ8, SLGW3)Manufacturing process0.045 micron
228 million transistorsDie82mm2Data width64 bitThe number of CPU cores2The number of threads2Floating Point UnitIntegratedLevel 1 cache size ? 2 x 32 KB 8-way set associative instruction caches
2 x 32 KB 8-way set associative data cachesLevel 2 cache size ? shared 3 MB 12-way set associative cacheMultiprocessingUniprocessorExtensions and Technologies
- MMX instructions
- SSE / Streaming SIMD Extensions
- SSE2 / Streaming SIMD Extensions 2
- SSE3 / Streaming SIMD Extensions 3
- SSSE3 / Supplemental Streaming SIMD Extensions 3
- SSE4.1 / Streaming SIMD Extensions 4.1 ?
- EM64T / Extended Memory 64 technology / Intel 64 ?
- VT-x / Virtualization technology ?
Security Features
- NX / XD / Execute disable bit ?
Low power features
- Stop Grant state ?
- Halt state
- Extended Halt state
- Extended Stop Grant State
- Sleep state ?
- Deep Sleep state ?
- Deeper Sleep state ?
- Enhanced SpeedStep technology ?
Integrated peripherals / componentsIntegrated graphicsNoneElectrical / Thermal parametersV core ? 0.85V - 1.3625VMinimum/Maximum operating temperature ? 5°C - 74.1°CMinimum/Maximum power dissipation ? 6 Watt (TDP in Deeper Sleep mode) / 98.89 WattThermal Design Power ? 65 WattNotes on Intel Core 2 Duo E7400
- Also available as an embedded processor
- Binary compatible with 32-bit x86 software
- Bus frequency is 266 MHz. Because the processor uses Quad Data Rate bus the effective bus speed is 1066 MHz
- Part AT80571PH0723M does not support Virtualization technology
- Part AT80571PH0723ML supports Virtualization technology
- BXC80571E7400 is a Chinese version