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Intel Core 2 Duo E8400 EU80570PJ0806M / AT80570PJ0806M (BX80570E8400)

CPU » Intel » Core 2 families » Core 2 Duo » E8400

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Intel Core 2 Duo E8400 specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyIntel Core 2 Duo
Model number  ? E8400
CPU part numbersAT80570PJ0806M is an OEM/tray microprocessor
EU80570PJ0806M is an OEM/tray microprocessor
BX80570E8400 is a boxed microprocessor
BXC80570E8400 is a boxed microprocessor
BX80570E8400A is a boxed microprocessor
Frequency  ? 3000 MHz
Bus speed  ? 1333 MHz
Clock multiplier  ? 9
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
Introduction dateJan 7, 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$183
 
S-spec numbers
  ES/QS processors Production processors
Part number Q5UE Q5UN Q9HD QHEZ QHGG SLAPL SLB9J
AT80570PJ0806M   ++ +
BX80570E8400     ++
BX80570E8400A     + 
BXC80570E8400     ++
EU80570PJ0806M+++  + 
 
Architecture / Microarchitecture
MicroarchitectureCore
Processor core  ? Wolfdale
Core steppings  ? C0 (Q9HD, SLAPL)
E0 (QHEZ, QHGG, SLB9J)
CPUIDs10676 (SLAPL)
1067A (QHGG, SLB9J)
Manufacturing process0.045 micron
410 million transistors
Die size107mm2
Data width64 bit
The number of cores2
The number of threads2
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 6 MB
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  ? 
  • VT / Virtualization technology  ? 
  • NX / XD / Execute disable bit  ? 
  • TXT / Trusted Execution 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 - 72.4°C
Minimum/Maximum power dissipation  ? 6 Watt (TDP in Deeper Sleep mode) / 100.31 Watt
Thermal Design Power  ? 65 Watt
 
Notes on Intel EU80570PJ0806M
  • Also available as an embedded processor
  • Binary compatible with 32-bit x86 software
  • Bus frequency is 333 MHz. Because the processor uses Quad Data Rate bus the effective bus speed is 1333 MHz
  • Part AT80570PJ0806M is manufactured in halide-free package
  • BXC80570E8400 is a Chinese version

CPUs, related to Intel Core 2 Duo E8400

Model Cores /
Threads		 Freq. L2
cache		 TDP Features
Intel Core 2 Duo family, Socket 775
   Core 2 Duo E72002 / 22.53 GHz3 MB65 WattVT, TXT, ESS
   Core 2 Duo E73002 / 22.66 GHz3 MB65 WattVT, TXT, ESS
   Core 2 Duo E67002 / 22.66 GHz4 MB65 WattVT, TXT, ESS
   Core 2 Duo E67502 / 22.66 GHz4 MB65 WattVT, TXT, ESS
   Core 2 Duo E74002 / 22.8 GHz3 MB65 WattVT, TXT, ESS
   Core 2 Duo E81902 / 22.66 GHz6 MB65 WattVT, TXT, ESS
   Core 2 Duo E82002 / 22.66 GHz6 MB65 WattVT, TXT, ESS
   Core 2 Duo E75002 / 22.93 GHz3 MB65 WattVT, TXT, ESS
   Core 2 Duo E82902 / 22.83 GHz6 MB65 WattVT, TXT, ESS
   Core 2 Duo E76002 / 23.06 GHz3 MB65 WattVT, TXT, ESS
   Core 2 Duo E83002 / 22.83 GHz6 MB65 WattVT, TXT, ESS
   Core 2 Duo E68502 / 23 GHz4 MB65 WattVT, TXT, ESS
   Core 2 Duo E84002 / 23 GHz6 MB65 WattVT, TXT, ESS
   Core 2 Duo E85002 / 23.16 GHz6 MB65 WattVT, TXT, ESS
   Core 2 Duo E86002 / 23.33 GHz6 MB65 WattVT, TXT, ESS
Intel Core 2 Duo family, Core micro-architecture, Other sockets
   Core 2 Duo E63052 / 21.86 GHz2 MB65 WattVT, TXT, ESS
   Core 2 Duo E64052 / 22.13 GHz2 MB65 WattVT, TXT, ESS
Other families, Core micro-architecture, Socket 775
   Celeron 4401 / 12 GHz512 KB35 WattVT, TXT, ESS
   Celeron 4501 / 12.2 GHz512 KB35 WattVT, TXT, ESS
   Celeron E35002 / 22.7 GHz1 MB65 WattVT, TXT, ESS
   Pentium E68002 / 23.33 GHz2 MB65 WattVT, TXT, ESS
   Core 2 Extreme QX96504 / 43 GHz12 MB130 WattVT, TXT, ESS
   Core 2 Quad Q96504 / 43 GHz12 MB95 WattVT, TXT, ESS
   Core 2 Extreme QX97704 / 43.2 GHz12 MB136 WattVT, TXT, ESS

 • Highlighted numbers and features indicate whether specific processor performs better or worse than Core 2 Duo E8400

 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)

 • List of related CPUs is not complete.

 • Features abbreviations:

VT - Virtualization
TXT - Trusted Execution
ESS - PowerNow! / Enhanced SpeedStep

FAQ

Q: I have an Intel E8400 processor. Can I upgrade it?
A: Probably yes. CPU compatibility is determined by your motherboard. Please check CPU-Upgrade.com website for CPU support list for your board.

Intel E8400 Overclocking

Sorry, overclocking information is not available at this time.

Pictures (5)

 
2008-09-25 17:37:58
Posted by: Zdenek

  		 
Core 2 Duo E8400
2008-11-01 22:41:14
Posted by: gshv

  		Core 2 Duo E8400
Intel Core 2 Duo E8400 cpu-z screenshot
2012-04-19 06:34:52
Posted by: softy

  		Intel Core 2 Duo E8400 cpu-z screenshot
Intel Core 2 Duo E8400 cpu-z screenshot caches
2012-04-19 06:35:34
Posted by: softy

  		Intel Core 2 Duo E8400 cpu-z screenshot caches
Q809A349
2012-11-15 12:58:43
Posted by: rosnerpc.sk

  		Q809A349

News

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.


Benchmarks

Benchmark tools

  • Compare Intel E8400 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 E8400 benchmarks page.

Intel E8400 benchmarks

The graphs below show up to 10 processors with aproximately the same level of performance in different types of applications. All processors were tested at nominal frequency (not overclocked), with stock heatsink and default BIOS settings. To see how the E8400 compares to other CPUs please see benchmark tools section above.

Benchmarked processor

S-spec number:SLAPL
CPU ID:0676h
CPU vendor string:GenuineIntel
CPU name string:Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz

Integer performance

Part number   Result
Intel Core 2 Duo E7600  ? 
104.6%
Intel Core i3-520  ? 
104.3%
Intel Core i3-2100T  ? 
102.7%
Intel Core 2 Duo E6850  ? 
101.8%
Intel Core 2 Duo E7500  ? 
100.1%
Intel Core 2 Duo E8400  ? 
100%
Intel Core 2 Duo E8300  ? 
96.6%
Intel Core 2 Duo E7400  ? 
95.4%
AMD Athlon II X2 270  ? 
94.4%
Intel Core 2 Duo E8200  ? 
91%
Intel Core 2 Duo E6700  ? 
90.5%

Floating Point performance

Part number   Result
AMD Athlon II X2 B24 (rev. C2)  ? 
103.5%
AMD Athlon II X2 250 (rev. C3)  ? 
103.4%
AMD Athlon II X2 245e  ? 
100.2%
AMD Athlon II X2 245 (rev. C3)  ? 
100.1%
AMD Athlon II X2 245 (rev. C2)  ? 
100%
Intel Core 2 Duo E8400  ? 
100%
Intel Core 2 Duo E7500  ? 
99.3%
AMD Athlon 64 X2 6000+ (3 GHz, 125W)  ? 
99.1%
AMD Athlon 64 X2 5800+  ? 
99%
AMD Athlon II X2 220  ? 
96.9%
AMD Athlon II X2 240e (rev. C2)  ? 
96.8%

MMX / SSE / SSE2 performance

Part number   Result
Intel Core i3-2120T  ? 
123.4%
Intel Core i3-2100T  ? 
118.7%
Intel Core 2 Duo E8600  ? 
111.3%
Intel Core 2 Duo E8500  ? 
105.7%
Intel Core 2 Duo E7600  ? 
102.1%
Intel Core 2 Duo E8400  ? 
100%
AMD Athlon II X2 270  ? 
98.2%
Intel Core 2 Duo E7500  ? 
97.7%
Intel Core 2 Duo E6850  ? 
95.5%
Intel Core 2 Duo E8300  ? 
94.6%
Intel Core 2 Duo E7400  ? 
93.2%

Memory-intensive program performance

Part number   Result
Intel Core i3-560  ? 
105.2%
Intel Core 2 Duo E8500  ? 
104%
AMD Athlon II X2 270  ? 
103.5%
Intel Core i3-550  ? 
103.1%
Intel Core i3-540  ? 
100.6%
Intel Core 2 Duo E8400  ? 
100%
AMD Athlon II X2 260 (rev. C3)  ? 
99.5%
AMD Athlon II X2 255 (rev. C2)  ? 
99%
AMD Athlon II X2 255 (rev. C3)  ? 
98.2%
Intel Core 2 Duo E8300  ? 
98.2%
Intel Core i3-530  ? 
98%

CPU ID (17)

CPUID Tools

CPUID features of Intel E8400

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 E8400 CPU.

Manufacturer:Intel
CPU Family:Core 2 Duo
Processor Number:E8400
Frequency:2995 MHz
Part number:
EU80570PJ0806M
S-Spec Number:SLAPL/6
Comment:
Submitted by:nicu
General information
Vendor:GenuineIntel
Processor name (BIOS):Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz
Cores:2
Logical processors:2
Processor type:Original OEM Processor
CPUID signature:10676
Family: 6 (06h)
Model:23 (017h)
Stepping: 6 (06h)
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 6 MB
Associativity: 8-way set
associative		 8-way set
associative		 24-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
 
Major featuresOther features
On-chip Floating Point Unit 36-bit page-size extensions
64-bit / Intel 64 64-bit debug store
Intel Virtualization Advanced programmable interrupt controller
Intel Trusted Execution technology CPL qualified debug store
Enhanced SpeedStep 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

Comments (3)

You're welcome to post suggestions, corrections, your own personal Intel Core 2 Duo E8400 review, or your experience with the microprocessor. Please do not ask upgrade and troubleshooting questions, and do not start discussions.

 

2008-10-28 14:45:42
Posted by: Magnum

Overclock is easy

E8400 with 24 way cache L2

2009-12-06 23:30:52
Posted by: x-pro

E8400 with 24 way cache L2

overclocking

2011-08-20 11:59:42
Posted by: 84

overclocking on these varies greatly from chip to chip in my experience, my own did not really get to far past 3.5ghz.

the one i put in my wife's system was for more eager to please, 3.9 without a sweat on air.

Last modified: 14 May 2013
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