AMD Phenom II X4 850 specifications
|Type||CPU / Microprocessor|
|Family||AMD Phenom II X4|
|Model number ? ||850|
|CPU part numbers||HDX850WFK42GM is an OEM/tray microprocessor|
HDX850WFGMBOX is a boxed microprocessor
|Stepping codes||CACDC AC CADIC AD NADIC AD|
|Frequency ? ||3300 MHz|
|Bus speed ? ||667 MHz Memory controller|
One 2000 MHz 16-bit HyperTransport link
|Clock multiplier ? ||16.5|
|Package||938-pin organic micro-PGA|
|Introduction date||2nd quarter 2011|
|Architecture / Microarchitecture|
|Processor core ? ||Propus|
|Core stepping ? ||C3|
|Manufacturing process||0.045 micron SOI|
|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 associative instruction caches|
4 x 64 KB 2-way associative data caches
|Level 2 cache size ? ||4 x 512 KB 16-way associative caches|
|Level 3 cache size||None|
|Virtual memory||256 TB|
- MMX instructions
- 3DNow! technology
- SSE / Streaming SIMD Extensions
- SSE2 / Streaming SIMD Extensions 2
- SSE3 / Streaming SIMD Extensions 3
- SSE4a ?
- ABM / Advanced Bit Manipulation ?
- AMD64 / AMD 64-bit technology ?
- AMD-V / AMD Virtualization technology
- EVP / Enhanced Virus Protection ?
|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|
- The number of controllers: 1
Memory channels: 2
Channel width (bits): 72
Supported memory: DDR2-1066, DDR3-1333
DIMMs per channel: up to 2
Maximum memory bandwidth (GB/s): 21.3
|Other peripherals||HyperTransport 3 technology|
|Electrical / Thermal parameters|
|Thermal Design Power ? ||95 Watt|
Detailed side-by-side comparison
Q: I have an AMD Phenom II X4 850 CPU. Is it possible to upgrade it?
A: Probably yes. Processor compatibility is determined by your motherboard. Please see CPU-Upgrade.com website for CPU support list for your board.
Phenom II X4 850 Overclocking
Sorry, overclocking information is not available at this time.
Related news stories
AMD Athlon II 270 and Phenom II 850 are available for pre-order
Jul 13, 2011
: The last refresh of Athlon II and Phenom II families in May of
this year included several speed-bump processors, and the most notable
among them being the fastest AMD x86 chip, Phenom II X4 980.
That socket AM3 line-up refresh didn't include a few SKUs, such as
Athlon II 270 an 650, and Phenom II 850, that were expected to launch
in the second quarter. Based on Athlon II and Phenom II product
specifications, published on AMD website,
we can conclude that these three microprocessors were launched.
May 2011 launch of desktop CPUs: one month later
Jun 03, 2011
: Exactly one month ago, on May 3, AMD launched a few speed bump
versions of Athlon II and Phenom II microprocessors. Reviews of the
flagship quad-core Phenom II 980 model were posted all over the net,
and it was added to official pricelist along with Athlon II X3 460.
Specifications of three additional processors, Athlon II X3 425e,
Athlon II X4 620e, and Phenom II X2 570, were posted on AMD website.
Overall, the launch of 5 new chips seemed like a newsworthy event,
expect that the processors never made it to the stores.
New AMD CPUs for Q2 2011
Apr 27, 2011
: In the past few weeks there were several reports of upcoming Phenom II
microprocessors, including quad-core 850 and 980 models, and dual-core
570. Today AMD published desktop processor roadmap for the second quarter
of this year, which confirms imminent launch of these CPUs, and also
shows a few soon to be released Athlon II SKUs.