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Intel Core 2 Duo E7400 AT80571PH0723M / AT80571PH0723ML (BX80571E7400)

CPU » Core 2 family » Core 2 Duo » E7400

CPU Information

General information
TypeCPU / Microprocessor
FamilyIntel Core 2 Duo
Model number  ? E7400
CPU part numbersAT80571PH0723M (SLB9Y, SLGQ8)
AT80571PH0723ML (SLGW3)
Box part numbersBX80571E7400 (SLB9Y, SLGQ8, SLGW3)
BXC80571E7400 (SLB9Y, SLGW3)
Frequency (MHz)  ? 2800
Bus speed (MHz)  ? 1066
Clock multiplier  ? 10.5
Package775-land Flip-Chip Land Grid Array (FC-LGA8)
1.48" x 1.48" (3.75 cm x 3.75 cm)
SocketSocket 775 (LGA775)
Introduction dateOct 19, 2008
Price at introduction$133
 
Architecture / Microarchitecture
Processor coreWolfdale
Core steppingR0 (SLB9Y, SLGQ8, SLGW3)
Manufacturing process0.045 micron
Data width64 bit
Number of cores2
Floating Point UnitIntegrated
Level 1 cache size  ? 2 x 32 KB instruction caches
2 x 32 KB data caches
Level 2 cache size  ? shared 8-way set associative 3 MB cache
Features
  • MMX instruction set
  • SSE
  • SSE2
  • SSE3
  • Supplemental SSE3
  • SSE4.1  ? 
  • EM64T technology  ? 
  • Execute Disable Bit technology  ? 
  • Virtualization Technology
Low power features
  • Enhanced SpeedStep technology  ? 
  • Stop Grant state  ? 
  • Halt state
  • Extended Halt state
  • Extended Stop Grant State
  • Sleep state  ? 
  • Deep Sleep state  ? 
  • Deeper Sleep state  ? 
 
Electrical/Thermal parameters
V core (V)  ? 0.85 - 1.3625
Minimum/Maximum operating temperature (°C)  ? 5 - 74.1
Minimum/Maximum power dissipation (W)  ? 6 (TDP in Deeper Sleep mode) / 98.89
Thermal Design Power (W)  ? 65
 
Notes on Intel AT80571PH0723M
  • 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

Pictures (2)

Core 2 Duo E7400 CPU
2009-09-20 23:07:29
Posted by: gshv

S-spec number SLB9Y. 		Core 2 Duo E7400 CPU
 
2009-09-20 23:05:25
Posted by: gshv

  		 
Add picture

Benchmarks

Tested processor
S-spec number:SLB9Y
CPU ID:067Ah
CPU vendor string:GenuineIntel
CPU name string:Intel(R) Core(TM)2 Duo CPU E7400 @ 2.80GHz
 
Motherboard ASRock 4Core1600Twins-P35
3DMark03 CPU score1426
3DMark03 game score3288
3DMark2001 score11828
7Zip compressing/decompressing speed2590
CINEBENCH R10 CPU score5796
CINEBENCH R10 CPU score (1 core)3048
CINEBENCH R10 OpenGL score2577
CINEBENCH R10 render time (seconds)152.6
Dhrystone 2.1 (VAX MIPS)4479.38
Doom 1.9s high detail (FPS)240.68
Doom 1.9s low detail (FPS)367.34
Euler3D1.41
Linpack 100x100 (MFLOPS)1117.83
PCMark2002 CPU score11032
PCMark2002 Memory score33226
Sandra Dhrystone (MIPS)33925.3
Sandra MultiMedia Floating Point (it/s)83647.7
Sandra MultiMedia Integer (it/s)74122
Sandra Whetstone (MFLOPS)9162
Sandra Whetstone SSE2 (MFLOPS)14124.7
Super PI (1M)18.28
Whetstone (KWIPS)2042.8
WinRAR compressing/decompressing speed1148.67
wPrime v1.55 (32M)30.32
 
Motherboard Intel DP965LT
3DMark03 CPU score998
3DMark03 game score3267
3DMark2001 score11162
7Zip compressing/decompressing speed1584
CINEBENCH R10 CPU score3364
CINEBENCH R10 CPU score (1 core)1761
CINEBENCH R10 OpenGL score2223
CINEBENCH R10 render time (seconds)262.9
Dhrystone 2.1 (VAX MIPS)2536.83
Doom 1.9s high detail (FPS)212.39
Doom 1.9s low detail (FPS)332.46
Euler3D1.07
Linpack 100x100 (MFLOPS)984.23
PCMark2002 CPU score6336
PCMark2002 Memory score19228
Sandra Dhrystone (MIPS)19350.3
Sandra MultiMedia Floating Point (it/s)47703.3
Sandra MultiMedia Integer (it/s)42251
Sandra Whetstone (MFLOPS)5239.67
Sandra Whetstone SSE2 (MFLOPS)8050.33
Super PI (1M)29.67
Whetstone (KWIPS)1155.38
WinRAR compressing/decompressing speed989.67
wPrime v1.55 (32M)53.04

CPU ID

NOTE: CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the Intel Core 2 Duo E7400 CPU.

Manufacturer:Intel
Family:Core 2 Duo
Model / Processor Number:E7400
Part number:AT80571PH0723M
S-Spec / Comment:SLB9Y
Submitted by:CPU-World
General information
Vendor:GenuineIntel
Processor name (BIOS):Intel(R) Core(TM)2 CPU E7400 @ 2.80GHz
Cores:2
Logical processors:2
Processor type:Original OEM Processor
CPUID signature:1067A
Family: 6 (06h)
Model:23 (017h)
Stepping:10 (0Ah)
TLB/Cache details:64-byte Prefetching
Data TLB: 4-KB Pages, 4-way set associative, 256 entries
Data TLB: 4-MB Pages, 4-way set associative, 32 entries
Instruction TLB: 2-MB pages, 4-way, 8 entries or 4M pages, 4-way, 4 entries
Instruction TLB: 4-KB Pages, 4-way set associative, 128 entries
L1 Data TLB: 4-KB pages, 4-way set associative, 16 entries
L1 Data TLB: 4-MB pages, 4-way set associative, 16 entries

Cache: L1 (data) L1 (instruction) L2
Size: 32 KB 32 KB 3 MB
Associativity: 8-way set associative 8-way set associative 12-way set associative
Line size: 64 bytes 64 bytes 64 bytes
Other:     unified on-die
 
Instruction set extensionsAdditonal instructions
MMX CLFLUSH
SSE CMOV
SSE2 CMPXCHG8B
SSE3 FXSAVE/FXRSTORE
SSSE3 MONITOR/MWAIT
  SYSENTER/SYSEXIT
 
Major featuresOther features
On-chip Floating Point Unit 36-bit page-size extensions
64-bit / Intel 64 Advanced programmable interrupt controller
NX bit/XD-bit Debug store
  Debugging extensions
  LAHF/SAHF support in 64-bit mode
  Machine check architecture
  Machine check exception
  Memory-type range registers
  Model-specific registers
  Page attribute table
  Page global extension
  Page-size extensions (4MB pages)
  Pending break enable
  Physical address extensions
  Self-snoop
  Thermal monitor
  Thermal monitor and software controlled clock facilities
  Time stamp counter
  Virtual 8086-mode enhancements

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Last modified: 19 Nov 2009
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