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Intel Core 2 Duo E8400 EU80570PJ0806M / AT80570PJ0806M (BX80570E8400)

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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 8-way set associative instruction caches
2 x 32 KB 8-way set associative data caches
Level 2 cache size  ? shared 6 MB 24-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  ? 
  • 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

Popular Core 2 Duo E8400 comparisons:

Detailed side-by-side comparison

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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: E8400, EU80570PJ0806M, Intel Core 2 Duo 3GHz, Wolfdale Socket 775


Historical price chart

The chart below shows official prices of Intel Core 2 Duo E8300, E8400 and E8500 processors:

Historical official prices of Core 2 Duo E8300, E8400 and E8500 processors

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.

Core 2 Duo E8400 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.


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 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 E8400 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: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 221  ? 
97.1%
AMD Athlon II X2 220  ? 
96.9%

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 information for the Core 2 Duo E8400

Our CPUID database contains 19 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 E8400 CPU.

Manufacturer:Intel
CPU Family:Core 2 Duo
Processor Number:E8400
Frequency:3000 MHz
Part number:
EU80570PJ0806M
S-Spec Number:
Comment:
Submitted by:
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: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 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
  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
NX bit/XD-bit Advanced programmable interrupt controller
Intel Virtualization CPL qualified debug store
Intel Trusted Execution technology Debug store
Enhanced SpeedStep 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 E8400

Model Cores /
Threads
Frequency L2
cache
TDP Features  
Intel Core 2 Duo family, Socket 775
   Core 2 Duo E72002 / 22.53 GHz3 MB65WVT, TXT, ESS>
   Core 2 Duo E73002 / 22.66 GHz3 MB65WVT, TXT, ESS>
   Core 2 Duo E67002 / 22.66 GHz4 MB65WVT, TXT, ESS>
   Core 2 Duo E67502 / 22.66 GHz4 MB65WVT, TXT, ESS>
   Core 2 Duo E74002 / 22.8 GHz3 MB65WVT, TXT, ESS>
   Core 2 Duo E81902 / 22.66 GHz6 MB65WVT, TXT, ESS>
   Core 2 Duo E82002 / 22.66 GHz6 MB65WVT, TXT, ESS>
   Core 2 Duo E75002 / 22.93 GHz3 MB65WVT, TXT, ESS>
   Core 2 Duo E82902 / 22.83 GHz6 MB65WVT, TXT, ESS>
   Core 2 Duo E76002 / 23.06 GHz3 MB65WVT, TXT, 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, TXT, ESS>
   Core 2 Duo E64052 / 22.13 GHz2 MB65WVT, TXT, ESS>
Other families, Core micro-architecture, Socket 775
   Celeron 4401 / 12 GHz512 KB35WVT, TXT, ESS>
   Celeron 4501 / 12.2 GHz512 KB35WVT, TXT, ESS>
   Celeron E35002 / 22.7 GHz1 MB65WVT, TXT, ESS>
   Pentium E68002 / 23.33 GHz2 MB65WVT, TXT, ESS>
   Core 2 Extreme QX96504 / 43 GHz12 MB130WVT, TXT, ESS>
   Core 2 Quad Q96504 / 43 GHz12 MB95WVT, TXT, ESS>
   Core 2 Extreme QX97704 / 43.2 GHz12 MB136WVT, TXT, ESS>
 • Highlighted numbers and features indicate whether specific processor performs better or worse than the Core 2 Duo E8400
 • 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 E8400 (Javascript required).
 • List of related CPUs is not complete.
 • Features abbreviations:
VT - Virtualization
TXT - Trusted Execution
ESS - PowerNow! / Enhanced SpeedStep

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
Comments (4)

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.

overclocl

2014-04-11 03:14:37
Posted by: k.P.white

easily hits 4ghz in over clock. even without watercooling

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