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AMD Phenom II X4 940 Black Edition - HDZ940XCJ4DGI / HDZ940XCGIBOX information

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Type:CPU Manufacturer:AMD
family:Phenom II X4 microprocessors:AMD Phenom II X4 940 Black Edition - HDZ940XCJ4DGI / HDZ940XCGIBOX
Type CPU / Microprocessor
Market segment Desktop
Family
AMD Phenom II X4
Model number    940
CPU part numbers
  • HDZ940XCJ4DGI is an OEM/tray microprocessor
  • HDZ940XCGIBOX is a boxed microprocessor with fan and heatsink
Stepping codes AACSC AC   CACVC AC   CACZC AC
Frequency    3000 MHz
Bus speed    533 MHz Memory controller
One 1800 MHz 16-bit HyperTransport link (3.6 GT/s)
Clock multiplier    15
Package 940-pin organic micro-PGA
Sockets Socket AM2
Socket AM2+
Weight 1.4oz / 38.5g
Introduction date Jan 8, 2009
Price at introduction $275
Architecture / Microarchitecture
Microarchitecture K10
Platform Dragon
Processor core    Deneb
Core stepping    RB-C2
CPUID 100F42
Manufacturing process 0.045 micron silicon-on-insulator (SOI) technology
758 million transistors
Die size 258mm2
Data width 64 bit
The number of cores 4
The number of threads 4
Floating Point Unit Integrated
Level 1 cache size    4 x 64 KB 2-way set associative instruction caches
4 x 64 KB 2-way set associative data caches
Level 2 cache size    4 x 512 KB 16-way set associative exclusive caches
Level 3 cache size Shared 6 MB 48-way set associative cache
Cache latency 3 (L1 cache)
Virtual memory 256 TB
Multiprocessing Uniprocessor
Features
  • MMX instructions
  • Extensions to MMX
  • 3DNow! technology
  • Extensions to 3DNow!
  • SSE / Streaming SIMD Extensions
  • SSE2 / Streaming SIMD Extensions 2
  • SSE3 / Streaming SIMD Extensions 3
  • SSE4a   
  • AMD64 / AMD 64-bit technology   
  • EVP / Enhanced Virus Protection   
  • AMD-V / AMD Virtualization technology
Low power features
  • Cool'n'Quiet 3.0
  • CoolCore Technology   
  • Dual Dynamic Power Management   
  • Core C1 and C1E states
  • Package S0, S1, S3, S4 and S5 states
Integrated peripherals / components
Integrated graphics None
Memory controller The number of controllers: 1
Memory channels: 2
Channel width (bits): 72
Supported memory: DDR2-1066
DIMMs per channel: 2
Maximum memory bandwidth (GB/s): 17.1
Other peripherals HyperTransport 3 technology
Electrical / Thermal parameters
V core    1.225V - 1.425V
V NorthBridge 1.15V - 1.3V
Maximum operating temperature    55°C - 62°C
Thermal Design Power    125 Watt (Socket AM2+/Socket AM3)
139.6 Watt (Socket AM2)
Notes on AMD Phenom II X4 940
  • The processor has unlocked clock multiplier
  • On socket AM2+/AM3 platforms in the minimum performance state the processor runs at 800 MHz / 0.875 - 1.15 Volt core voltage, and has TDP 48.8 Watt
  • On socket AM2 platforms in the minimum performance state the processor runs at 800 MHz / 1.15 Volt core voltage, and has TDP 77 Watt
  • In pre-launch documents this CPU was referenced as Phenom X4 20550


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