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Intel Core i7-940 - AT80601000921AA / BX80601940 / BXC80601940

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Intel Core i7-940 specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyIntel Core i7
Model number  ? i7-940
CPU part numbersAT80601000921AA is an OEM/tray microprocessor
BX80601940 is a boxed processor (English version)
BXC80601940 is a boxed processor (Chinese version)
Frequency  ? 2933 MHz
Turbo frequency3200 MHz (1 core)
3067 MHz (2 cores or more)
Bus speed  ? 4.8 GT/s QPI (2400 MHz)
Package1366-land Flip-Chip Land Grid Array (FC-LGA8)
SocketSocket 1366 / B / LGA1366
Size1.77" x 1.67" / 4.5cm x 4.25cm
Weight1.2oz / 33.3g
Fan/heatsinkE29477-002
Introduction dateNov 17, 2008
Price at introduction$562
 
S-spec numbers
  ES/QS processors Production processors
Part number Q1CS SLBCK
AT80601000921AA++
BX80601940 +
BXC80601940 +
 
Architecture / Microarchitecture
MicroarchitectureNehalem (Nehalem)
PlatformX58
Processor core  ? Bloomfield
Core stepping  ? C0 (Q1CS, SLBCK)
CPUID106A4 (SLBCK)
Manufacturing process0.045 micron Hi-k metal gate technology
731 million transistors
Die size263mm2
Data width64 bit
The number of cores4
The number of threads8
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
Physical memory24 GB
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 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4  ? 
  • EM64T / Extended Memory 64 technology / Intel 64  ? 
  • NX / XD / Execute disable bit  ? 
  • HT / Hyper-Threading technology  ? 
  • VT-x / Virtualization technology  ? 
  • TBT / Turbo Boost technology  ? 
Low power features
  • Thread C1, C3 and C6 states
  • Core C1, C3 and C6 states
  • Package C3 and C6 states
  • Enhanced SpeedStep technology  ? 
 
Integrated peripherals / components
Memory controller
  • The number of controllers: 1
    Memory channels: 3
    Supported memory: DDR3-800, DDR3-1066
Other peripheralsQuick Path Interconnect (1 link)
 
Electrical / Thermal parameters
V core  ? 0.8V - 1.375V
Minimum/Maximum operating temperature  ? 5°C - 67.9°C
Minimum/Maximum power dissipation  ? 12 Watt (TDP in C6 state) / 230.14 Watt
Thermal Design Power  ? 130 Watt
 

Detailed side-by-side comparison

For detailed comparision of the Intel i7-940 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: i7-940, AT80601000921AA, Intel Core i7 2.933GHz, Bloomfield Socket 1366


Historical price chart

The chart below shows official prices of Intel Core i7-930, i7-940 and i7-950 processors:

Historical official prices of Core i7-930, i7-940 and i7-950 processors

FAQ

Q: Can I upgrade my Intel Core i7-940 microprocessor?
A: Probably yes. CPU compatibility is determined by your motherboard. Please see CPU-Upgrade.com resource for CPU support list for your board.

Core i7-940 Overclocking

Sorry, overclocking information is not available at this time.

Compare Intel i7-940 benchmark results with all tested CPUs from one of the following families:

To compare this Core i7 CPU with any tested processor please proceed to

For additional benchmarks, comparing multi-threaded performance of this microprocessor with other Core i7 CPUs and the fastest AMD and Intel x86 chips, please visit Intel Core i7-940 benchmarks page.

Intel i7-940 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 i7-940 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:SLBCK
CPU ID:06A4h
CPU vendor string:GenuineIntel
CPU name string:Intel(R) Core(TM) i7 CPU 940 @ 2.93GHz

Integer performance

Part number   Result
Intel Core i5-3450S  ? 
102.4%
Intel Core i5-3350P  ? 
102.3%
Intel Core i5-3340  ? 
102.3%
Intel Core i7-2720QM (PGA)  ? 
101.9%
Intel Core i7-2670QM  ? 
100.5%
Intel Core i7-940  ? 
100%
Intel Core i5-2320  ? 
99.7%
AMD Phenom II X6 1045T  ? 
98.8%
Intel Core i5-3330  ? 
98.6%
AMD FX-8140  ? 
98.6%
Intel Core i5-2310  ? 
96.4%

Floating Point performance

Part number   Result
Intel Core i7-2760QM (PGA)  ? 
105.8%
AMD Phenom II X6 1100T  ? 
104.4%
Intel Core i7-870  ? 
103.3%
Intel Core i7-875K  ? 
103.2%
AMD Phenom II X6 1090T  ? 
101.3%
Intel Core i7-940  ? 
100%
Intel Core i7-2720QM (PGA)  ? 
98.3%
Intel Core i7-2600S  ? 
96.1%
AMD Phenom II X6 1075T (non-BE)  ? 
94.9%
Intel Core i7-860  ? 
94.6%
Intel Core i7-920  ? 
92.6%

MMX / SSE / SSE2 performance

Part number   Result
AMD FX-8320  ? 
100.8%
Intel Core i5-4670K  ? 
100.3%
Intel Core i5-3570K  ? 
100.3%
Intel Core i5-3570  ? 
100.3%
Intel Core i5-4670  ? 
100.1%
Intel Core i7-940  ? 
100%
Intel Core i7-2670QM  ? 
98.8%
Intel Core i5-3550  ? 
97.4%
Intel Core i5-3570S  ? 
96.2%
AMD Phenom II X6 1075T (non-BE)  ? 
95.4%
Intel Core i5-4570  ? 
95%

Memory-intensive program performance

Part number   Result
AMD FX-6300  ? 
101.4%
Intel Core i5-3230M (PGA)  ? 
100.9%
AMD Phenom II X4 980  ? 
100.4%
AMD FX-6200  ? 
100.4%
AMD Phenom II X4 975  ? 
100.2%
Intel Core i7-940  ? 
100%
AMD Phenom II X4 970 (rev. C3)  ? 
99.4%
AMD FX-4300  ? 
99.4%
Intel Core i7-2630QM  ? 
98.4%
Intel Core i5-3210M (PGA)  ? 
98.2%
Intel Core i7-860  ? 
98%

CPU ID information for the Core i7-940

Our CPUID database contains 2 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 i7 i7-940 CPU.

Manufacturer:Intel
CPU Family:Core i7
Processor Number:i7-940
Frequency:2931 MHz
Part number:
AT80601000921AA
S-Spec Number:
Comment:
Submitted by:
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 set 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: 4 x 32 KB 4 x 32 KB 4 x 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
Comments: Direct-mapped Direct-mapped Non-inclusive
Direct-mapped
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
SSE4.2 POPCNT
  RDTSCP
  SYSENTER/SYSEXIT
 
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
Hyper-Threading Technology CPL qualified debug store
Intel Virtualization Debug store
Turbo Boost Debugging extensions
Enhanced SpeedStep 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
  TSC rate is ensured to be invariant across all states
  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 i7-940

Model Cores /
Threads
Frequency Turbo
frequency
L3
cache
TDP Features  
Intel Core i7 family, Socket 1366
   Core i7-9204 / 82.66 GHz2.93 GHz8 MB130W>
   Core i7-9304 / 82.8 GHz3.06 GHz8 MB130W>
   Core i7-9404 / 82.93 GHz3.2 GHz8 MB130W 
   Core i7-9504 / 83.06 GHz3.33 GHz8 MB130W>
   Core i7-9604 / 83.2 GHz3.46 GHz8 MB130W>
   Core i7-9706 / 123.2 GHz3.46 GHz12 MB130WAES>
   Core i7-9806 / 123.33 GHz3.6 GHz12 MB130WAES>
Intel Core i7 family, Nehalem micro-architecture, Other sockets
   Core i7-860S4 / 82.53 GHz3.46 GHz8 MB82WTXT>
   Core i7-8604 / 82.8 GHz3.46 GHz8 MB95WTXT>
   Core i7-870S4 / 82.66 GHz3.6 GHz8 MB82WTXT>
   Core i7-8704 / 82.93 GHz3.6 GHz8 MB95WTXT>
   Core i7-875K4 / 82.93 GHz3.6 GHz8 MB95WUnlock>
   Core i7-8804 / 83.06 GHz3.73 GHz8 MB95WTXT>
Other families, Nehalem micro-architecture, Socket 1366
   Core i7-9654 / 83.2 GHz3.46 GHz8 MB130WUnlock>
   Core i7-9754 / 83.33 GHz3.6 GHz8 MB130WUnlock>
   Core i7-980X6 / 123.33 GHz3.6 GHz12 MB130WAES, Unlock>
   Core i7-990X6 / 123.46 GHz3.73 GHz12 MB130WAES, Unlock>
 • Highlighted numbers and features indicate whether specific processor performs better or worse than the Core i7-940
 • 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 i7-940 (Javascript required).
 • Features abbreviations:
AES - AES instructions
TXT - Trusted Execution
Unlock - Unlocked multiplier

Pictures (6)

 
2010-01-06 15:24:05
Posted by: gshv

 
 
 
2010-01-06 15:24:27
Posted by: gshv

 
 
 
2010-01-06 15:26:07
Posted by: gshv

 
 
Core i7 I7-940 box
2010-01-06 15:26:45
Posted by: gshv

 
Core i7 I7-940 box
 
2010-01-06 15:27:08
Posted by: gshv

 
 
Core i7 I7-940 CPU
2010-01-06 15:28:14
Posted by: gshv

S-Spec number SLBCK. Processor markings:
2.93GHZ/8M/4.80/08
Core i7 I7-940 CPU
Comments (0)

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