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Intel Core 2 Duo E7400 AT80571PH0723M / AT80571PH0723ML (BX80571E7400)

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Intel Core 2 Duo E7400 specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyIntel Core 2 Duo
Model number  ? E7400
CPU part numbersAT80571PH0723M is an OEM/tray microprocessor
AT80571PH0723ML is an OEM/tray microprocessor
BX80571E7400 is a boxed processor (English version)
BXC80571E7400 is a boxed processor (Chinese version)
Frequency  ? 2800 MHz
Bus speed  ? 1066 MHz
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 / T
Weight0.8oz / 23.3g
Introduction dateOct 19, 2008
End-of-Life dateLast order date for consumer processors is August 26, 2011
Last shipment date for consumer tray processors is February 10, 2012
Price at introduction$133
 
S-spec numbers
  Production processors
Part number SLB9Y SLGQ8 SLGW3
AT80571PH0723M++ 
AT80571PH0723ML  +
BX80571E7400+++
BXC80571E7400+ +
 
Architecture / Microarchitecture
MicroarchitectureCore
Processor core  ? Wolfdale-3M
Core stepping  ? R0 (SLB9Y, SLGQ8, SLGW3)
CPUID1067A (SLB9Y, SLGQ8, SLGW3)
Manufacturing process0.045 micron
Data width64 bit
The number of cores2
The number of threads2
Floating Point UnitIntegrated
Level 1 cache size  ? 2 x 32 KB 8-way set associative instruction caches
2 x 32 KB 8-way set associative data caches
Level 2 cache size  ? shared 3 MB 12-way set associative cache
MultiprocessingUniprocessor
Features
  • 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  ? 
  • NX / XD / Execute disable bit  ? 
  • VT / 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  ? 0.85V - 1.3625V
Minimum/Maximum operating temperature  ? 5°C - 74.1°C
Minimum/Maximum power dissipation  ? 6 Watt (TDP in Deeper Sleep mode) / 98.89 Watt
Thermal Design Power  ? 65 Watt
 
Notes on Intel AT80571PH0723M
  • 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

Detailed side-by-side comparison

For detailed comparision of the Intel E7400 and any other other chip from our CPU database type in a chip name and/or its partial specs:

You can specify any of the following: manufacturer name, family name, model number, part number, core name, socket name, operating frequency, bus speed, and the last level cache. Here are examples of searches: E7400, AT80571PH0723M, Intel Core 2 Duo 2.8GHz, Wolfdale-3M Socket 775


Historical price chart

The chart below shows official prices of Intel Core 2 Duo E7300, E7400 and E7500 processors:

Historical official prices of Core 2 Duo E7300, E7400 and E7500 processors

FAQ

Q: Is it possible to upgrade my Intel Core 2 Duo E7400 CPU?
A: Probably yes. Processor compatibility is determined by your motherboard. Please see CPU-Upgrade.com website for CPU support list for your board.

Core 2 Duo E7400 Overclocking

Sorry, overclocking information is not available at this time.


Related news stories

Intel discontinues Pentium, Core 2 Duo and Core 2 Quad CPUs
Feb 08, 2011: Last October, we published a story detailing upcoming discontinuation of many Core 2 Duo and Core 2 Quad microprocessors, and two Pentium Dual-core models. Yesterday Intel published Product Discontinuation Notifications (PDN), that provide End-of-Life milestone dates for these CPUs.



Athlon II X2 benchmarks
May 03, 2010: A few weeks ago we acquired a lot of Athlon II processors with C3 core revision. Although we posted pictures and individual benchmarks to Athlon II CPU pages, and added the results to our benchmark database more than a week ago, we decided to provide benchmarks in more readable format, i.e. as a review.


Compare Intel E7400 benchmark results with all tested CPUs from one of the following families:

To compare this Core 2 Duo CPU with any tested processor please proceed to

For additional benchmarks, comparing multi-threaded performance of this microprocessor with other Core 2 Duo CPUs and the fastest AMD and Intel x86 chips, please visit Intel Core 2 Duo E7400 benchmarks page.

Intel E7400 Benchmarks

The graphs below show up to 10 microprocessors with approximately the same level of integer (CPU), floating-point (FPU), SIMD and memory performance. All processors were not overclocked, and were tested at a nominal frequency, with a stock heatsink and default BIOS settings. Click on the '?' mark next to each model name to see specifications of that model, and details of the test platform. To find out how the E7400 compares to other CPUs in specific benchmarks or in aggregate milti-threading performance please see benchmark tools section on the right.

Benchmarked 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

Integer performance

Part number   Result
Intel Core i3-2100T  ? 
107.6%
Intel Core 2 Duo E6850  ? 
106.7%
Intel Core 2 Duo E7500  ? 
104.9%
Intel Core 2 Duo E8400  ? 
104.8%
Intel Core 2 Duo E8300  ? 
101.3%
Intel Core 2 Duo E7400  ? 
100%
AMD Athlon II X2 270  ? 
98.9%
Intel Core 2 Duo E8200  ? 
95.3%
Intel Core 2 Duo E6700  ? 
94.9%
Intel Core 2 Duo E6750  ? 
94.8%
AMD Athlon II X2 260 (rev. C3)  ? 
93.1%

Floating Point performance

Part number   Result
AMD Athlon II X2 221  ? 
102.7%
AMD Athlon II X2 220  ? 
102.5%
AMD Athlon II X2 240e (rev. C2)  ? 
102.4%
AMD Athlon II X2 240  ? 
102.2%
Intel Core 2 Duo E8300  ? 
100.7%
Intel Core 2 Duo E7400  ? 
100%
Intel Core 2 Duo E6850  ? 
99.8%
AMD Athlon II X2 215 (rev. C2)  ? 
98.7%
AMD Athlon II X2 235e  ? 
98.7%
AMD Athlon 64 X2 5400+ (65W, BE)  ? 
97.7%
AMD Athlon II X2 210e  ? 
95%

MMX / SSE / SSE2 performance

Part number   Result
Intel Core 2 Duo E8400  ? 
107.3%
AMD Athlon II X2 270  ? 
105.3%
Intel Core 2 Duo E7500  ? 
104.8%
Intel Core 2 Duo E6850  ? 
102.4%
Intel Core 2 Duo E8300  ? 
101.4%
Intel Core 2 Duo E7400  ? 
100%
AMD Athlon II X2 260 (rev. C3)  ? 
99.2%
AMD Athlon II X2 255 (rev. C3)  ? 
96.2%
AMD Athlon II X2 255 (rev. C2)  ? 
96.1%
Intel Core 2 Duo E8200  ? 
95.5%
AMD Athlon II X2 250 (rev. C3)  ? 
93.1%

Memory-intensive program performance

Part number   Result
Intel Core 2 Duo E7600  ? 
106.3%
Intel Core 2 Duo E8200  ? 
105%
Intel Core 2 Duo E7500  ? 
103.3%
Intel Core 2 Duo E6750  ? 
101%
AMD Athlon II X2 270  ? 
100.2%
Intel Core 2 Duo E7400  ? 
100%
Intel Core 2 Duo E6700  ? 
100%
AMD Athlon II X2 260 (rev. C3)  ? 
96.6%
AMD Athlon II X2 255 (rev. C2)  ? 
96.1%
AMD Athlon II X2 255 (rev. C3)  ? 
95.7%
AMD Athlon II X2 221  ? 
95.1%

CPU ID information for the Core 2 Duo E7400

Our CPUID database contains 10 records for this microprocessor. See all submitted records.

Use our CPU identification tool to check features of your CPU.

NOTE: The 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
CPU Family:Core 2 Duo
Processor Number:E7400
Frequency:3496 MHz
Part number:
AT80571PH0723M
S-Spec Number:
Comment:R0/A
Submitted by:KIJANA
General information
Vendor:GenuineIntel
Processor name (BIOS):Intel(R) Core(TM)2 Duo 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: 2 x 32 KB 2 x 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
Comments: Direct-mapped Direct-mapped Non-inclusive
Direct-mapped
Shared between all cores
 
Instruction set extensionsAdditional instructions
MMX CLFLUSH
SSE CMOV
SSE2 CMPXCHG16B
SSE3 CMPXCHG8B
SSSE3 FXSAVE/FXRSTORE
SSE4.1 MONITOR/MWAIT
  SYSENTER/SYSEXIT
  XSAVE / XRESTORE states
  XSETBV / XGETBV are enabled
 
Major featuresOther features
On-chip Floating Point Unit 36-bit page-size extensions
64-bit / Intel 64 64-bit debug store
Enhanced SpeedStep Advanced programmable interrupt controller
  CPL qualified debug store
  Debug store
  Debugging extensions
  Digital Thermal Sensor capability
  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
  Perfmon and Debug capability
  Physical address extensions
  Self-snoop
  Thermal monitor
  Thermal monitor 2
  Thermal monitor and software controlled clock facilities
  Time stamp counter
  Virtual 8086-mode enhancements
  xTPR Update Control

CPUs, related to Intel Core 2 Duo E7400

Model Cores /
Threads
Frequency L2
cache
TDP Features  
Intel Core 2 Duo family, Socket 775
   Core 2 Duo E72002 / 22.53 GHz3 MB65WVT, ESS>
   Core 2 Duo E73002 / 22.66 GHz3 MB65WVT, ESS>
   Core 2 Duo E67002 / 22.66 GHz4 MB65WVT, ESS>
   Core 2 Duo E67502 / 22.66 GHz4 MB65WVT, TXT, ESS>
   Core 2 Duo E74002 / 22.8 GHz3 MB65WVT, ESS 
   Core 2 Duo E81902 / 22.66 GHz6 MB65WVT, ESS>
   Core 2 Duo E82002 / 22.66 GHz6 MB65WVT, TXT, ESS>
   Core 2 Duo E75002 / 22.93 GHz3 MB65WVT, ESS>
   Core 2 Duo E82902 / 22.83 GHz6 MB65WVT, ESS>
   Core 2 Duo E76002 / 23.06 GHz3 MB65WVT, ESS>
   Core 2 Duo E83002 / 22.83 GHz6 MB65WVT, TXT, ESS>
   Core 2 Duo E68502 / 23 GHz4 MB65WVT, TXT, ESS>
   Core 2 Duo E84002 / 23 GHz6 MB65WVT, TXT, ESS>
   Core 2 Duo E85002 / 23.16 GHz6 MB65WVT, TXT, ESS>
   Core 2 Duo E86002 / 23.33 GHz6 MB65WVT, TXT, ESS>
Intel Core 2 Duo family, Core micro-architecture, Other sockets
   Core 2 Duo E63052 / 21.86 GHz2 MB65WVT, ESS>
   Core 2 Duo E64052 / 22.13 GHz2 MB65WVT, ESS>
Other families, Core micro-architecture, Socket 775
   Celeron 4401 / 12 GHz512 KB35WVT, ESS>
   Celeron 4501 / 12.2 GHz512 KB35WVT, ESS>
   Celeron E35002 / 22.7 GHz1 MB65WVT, ESS>
   Pentium E68002 / 23.33 GHz2 MB65WVT, ESS>
   Core 2 Extreme QX96504 / 43 GHz12 MB130WVT, ESS>
   Core 2 Quad Q96504 / 43 GHz12 MB95WVT, TXT, ESS>
   Core 2 Extreme QX97704 / 43.2 GHz12 MB136WVT, ESS>
 • Highlighted numbers and features indicate whether specific processor performs better or worse than the Core 2 Duo E7400
 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)
 • Click on the >  icon to compare any CPU in the table with the Intel Core 2 Duo E7400 (Javascript required).
 • List of related CPUs is not complete.
 • Features abbreviations:
VT - Virtualization
TXT - Trusted Execution
ESS - PowerNow! / Enhanced SpeedStep

Pictures (2)

 
2009-09-20 23:05:25
Posted by: gshv

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

S-spec number SLB9Y.
Core 2 Duo E7400 CPU
Comments (3)

You're welcome to post suggestions, corrections, your own personal Intel Core 2 Duo E7400 review, or your experience with the microprocessor. Please do not ask upgrade and troubleshooting questions, and do not start discussions.

without oc

2010-02-23 15:58:58
Posted by: soldierofthelam

without oc

mild OC'ing

2010-02-23 16:05:06
Posted by: soldierofthelam

this is no where near the limit of the E7400

mild OC

12-way Level 2 cache

2013-08-15 23:07:52
Posted by: metal_gunjee

According to CPU-Z Version 1.65.1, this processor has a 12-way associative L2 cache, not an 8-way as shown on the specs here.

Response: The specs were updated for this and others Penryn processors to reflect correct associativity. Thank you for the correction!
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