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Intel Core i7 I7-940 AT80601000921AA (BX80601940 / BXC80601940)

CPU » Core i7 family » Core i7 » I7-940

CPU Information

General information
TypeCPU / Microprocessor
FamilyIntel Core i7
Model number  ? I7-940
CPU part numberAT80601000921AA (Q1CS, SLBCK)
Box part numbersBX80601940 (SLBCK)
BXC80601940 (SLBCK)
Frequency (MHz)  ? 2933
Bus speed (MHz)  ? 2400 MHz QPI
Package1366-land Flip-Chip Land Grid Array (FC-LGA8)
SocketSocket 1366 (LGA1366)
Weight1.2oz / 33.3g
Fan/heatsinkE29477-002
Introduction dateNov 17, 2008
Price at introduction$562
 
Architecture / Microarchitecture
Processor coreBloomfield
Core steppingC0 (SLBCK)
Manufacturing process0.045 micron Hi-k metal gate technology
731 million transistors
Die size263 mm2
Data width64 bit
Number of cores4
Floating Point UnitIntegrated
Level 1 cache size  ? 4 x 32 KB instruction caches
4 x 32 KB data caches
Level 2 cache size  ? 4 x 256 KB
Level 3 cache sizeInclusive shared 8 MB cache
Features
  • MMX instruction set
  • SSE
  • SSE2
  • SSE3
  • Supplemental SSE3
  • SSE4.1  ? 
  • SSE4.2  ? 
  • EM64T technology  ? 
  • Hyper-Threading technology
  • Turbo Boost technology  ? 
  • Virtualization technology
  • Execute Disable bit  ? 
Low power features
  • Thread C1, C3 and C6 states
  • Core C1, C3 and C6 states
  • Package C3 and C6 states
  • Enhanced SpeedStep technology  ? 
On-chip peripherals
  • Integrated triple-channel DDR3 SDRAM Memory controller
  • Quick Path Interconnect
 
Electrical/Thermal parameters
V core (V)  ? 0.8 - 1.375
Minimum/Maximum operating temperature (°C)  ? 5 - 67.9
Minimum/Maximum power dissipation (W)  ? 12 (TDP in C6 state) / 230.14
Thermal Design Power (W)  ? 130
 
Notes on Intel AT80601000921AA
  • BXC80601940 is a Chinese version
  • Memory controller supports DDR3-800 and DDR3-1066 memory

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Benchmarks

Tested processor
Tested with:HT on
S-spec number:SLBCK
CPU ID:06A4h
CPU vendor string:GenuineIntel
CPU name string:Intel(R) Core(TM) i7 CPU 940 @ 2.93GHz
 
Motherboard MSI X58M
3DMark03 CPU score1696
3DMark03 game score3291
3DMark2001 score11844
7Zip compressing/decompressing speed2170
CINEBENCH R10 CPU score14742
CINEBENCH R10 CPU score (1 core)3530
CINEBENCH R10 OpenGL score2738
CINEBENCH R10 render time (seconds)60
Dhrystone 2.1 (VAX MIPS)4827.35
Doom 1.9s high detail (FPS)95.19
Doom 1.9s low detail (FPS)162.84
Euler3D4.05
Linpack 100x100 (MFLOPS)995.89
PCMark2002 CPU score12318
PCMark2002 Memory score39598
Sandra Dhrystone (MIPS)81020
Sandra MultiMedia Floating Point (it/s)316304
Sandra MultiMedia Integer (it/s)162847
Sandra Whetstone (MFLOPS)32373.3
Sandra Whetstone SSE2 (MFLOPS)50901
Super PI (1M)13.16
Whetstone (KWIPS)2221.12
WinRAR compressing/decompressing speed3701.33
wPrime v1.55 (32M)8.95
 
Tested processor
Tested with:HT off
S-spec number:SLBCK
CPU ID:06A4h
CPU vendor string:GenuineIntel
CPU name string:Intel(R) Core(TM) i7 CPU 940 @ 2.93GHz
 
Motherboard MSI X58M
3DMark03 CPU score1696
3DMark03 game score3289
3DMark2001 score11894
7Zip compressing/decompressing speed2963
CINEBENCH R10 CPU score12506
CINEBENCH R10 CPU score (1 core)3541
CINEBENCH R10 OpenGL score2711
CINEBENCH R10 render time (seconds)70.7
Dhrystone 2.1 (VAX MIPS)4839.04
Doom 1.9s high detail (FPS)94.54
Doom 1.9s low detail (FPS)161.44
Euler3D3.63
Linpack 100x100 (MFLOPS)1000.2
PCMark2002 CPU score12302
PCMark2002 Memory score39526
Sandra Dhrystone (MIPS)79590.3
Sandra MultiMedia Floating Point (it/s)195561
Sandra MultiMedia Integer (it/s)145456
Sandra Whetstone (MFLOPS)19524.3
Sandra Whetstone SSE2 (MFLOPS)31178.3
Super PI (1M)13.14
Whetstone (KWIPS)2226.38
WinRAR compressing/decompressing speed2752
wPrime v1.55 (32M)11.64

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 i7 I7-940 CPU.

Manufacturer:Intel
Family:Core i7
Model / Processor Number:I7-940
Part number:AT80601000921AA
S-Spec / Comment:SLBCK
Submitted by:CPU-World
General information
Vendor:GenuineIntel
Processor name (BIOS):Intel(R) Core(TM) i7 CPU 940 @ 2.93GHz
Cores:4
Logical processors:8
Processor type:Original OEM Processor
CPUID signature:106A4
Family: 6 (06h)
Model:26 (01Ah)
Stepping: 4 (04h)
TLB/Cache details:64-byte Prefetching
Data TLB0: 2-MB or 4-MB pages, 4-way associative, 32 entries
Data TLB: 4-KB Pages, 4-way set associative, 64 entries
Instruction TLB: 2-MB or 4-MB pages, fully associative, 7 entries
Instruction TLB: 4-KB pages, 4-way set associative, 64 entries
Shared 2nd-level TLB: 4 KB pages, 4-way set associative, 512 entries

Cache: L1 (data) L1 (instruction) L2 L3
Size: 32 KB 32 KB 256 KB 8 MB
Associativity: 8-way set associative 4-way set associative 8-way set associative 16-way set associative
Line size: 64 bytes 64 bytes 64 bytes 64 bytes
 
Instruction set extensionsAdditonal instructions
MMX CLFLUSH
SSE CMOV
SSE2 CMPXCHG16B
SSE3 CMPXCHG8B
SSSE3 FXSAVE/FXRSTORE
SSE4.1 MONITOR/MWAIT
SSE4.2 POPCNT
  SYSENTER/SYSEXIT
 
Major featuresOther features
On-chip Floating Point Unit 36-bit page-size extensions
64-bit / Intel 64 64-bit debug store
Hyper-Threading Technology Advanced programmable interrupt controller
Intel Virtualization CPL qualified debug store
Enhanced SpeedStep 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
  Perfmon and Debug capability
  Physical address extensions
  RDTSCP
  Self-snoop
  TSC rate is ensured to be invariant across all states
  Thermal monitor
  Thermal monitor and software controlled clock facilities
  Time stamp counter
  Virtual 8086-mode enhancements
  xTPR Update Control

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Last modified: 17 Nov 2009
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