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AMD Opteron (2)

Nov 8, 2008

Models

For Socket 940 and Socket 939 Opterons, each chip has a three-digit model number, in the form Opteron XYY. For Socket F and Socket AM2 Opterons, each chip has a four-digit model number, in the form Opteron XZYY. For all Opterons, the first digit (the X) specifies the number of CPUs on the target machine:
1 - Designed for uniprocessor systems
2 - Designed for dual-processor systems
8 - Designed for systems with 4 or 8 processors

For Socket F and Socket AM2 Opterons, the second digit (the Z) represents the processor generation. Presently, only 2 (dual-core, DDR2) and 3 (quad-core, DDR2) are used.

For all Opterons, the last two digits in the model number (the YY) indicate the clock frequency of a CPU, a higher number indicating a higher clock frequency. This speed indication is comparable to processors of the same generation if they have the same amount of cores, single-cores and dual-cores have different indications despite sometimes having the same clock frequency.

The suffix HE or EE indicates a high-efficiency/energy-efficiency model having a lower TDP than a standard Opteron. The suffix SE indicates a top-of-the-line model having a higher TDP than a standard Opteron.

A detailed list of Opteron microprocessors is here. The broad model families are:


Opteron (130 nm SOI)
Single-core — SledgeHammer (1yy, 2yy, 8yy)
CPU-Steppings: B3, C0, CG
L1-Cache: 64 + 64 KiB (Data + Instructions)
L2-Cache: 1024 KiB, fullspeed
MMX, Extended 3DNow!, SSE, SSE2, AMD64
Socket 940, 800 MHz HyperTransport
Registered DDR SDRAM required, ECC possible
VCore: 1.50 V - 1.55 V
Max Power (TDP): 89 W
First Release: April 22, 2003 [2]
Clockrate: 1400–2400 MHz (x40 - x50)


Opteron (90 nm SOI, DDR)
Single-core — Venus (1yy), Troy (2yy), Athens (8yy)
CPU-Steppings: E4
L1-Cache: 64 + 64 KiB (Data + Instructions)
L2-Cache: 1024 KiB, fullspeed
MMX, Extended 3DNow!, SSE, SSE2, SSE3, AMD64
Socket 940, 800 MHz HyperTransport
Socket 939/Socket 940, 1000 MHz HyperTransport
Registered DDR SDRAM required for socket 940, ECC possible
VCore: 1.35V - 1.4V
Max power (TDP): 95W
NX Bit
64-bit segment limit checks for VMware-style binary-translation virtualization.
Optimized Power Management (OPM)
First Release: February 14, 2005
Clockrate: 1600 - 3000 MHz (x42 - x56)
Dual-core — Denmark (1yy), Italy (2yy), Egypt (8yy)
CPU-Steppings: E1, E6
First Release: Spring 2005
Clockrate: 1600–2800 MHz (x60, x65, x70, x75, x80, x85, x90)
...
Socket 939/Socket 940, 1000 MHz HyperTransport
...
NX bit


Opteron (90 nm SOI, DDR2)
Dual-core — Santa Ana (12yy), Santa Rosa (22yy, 82yy)
CPU-Steppings: F2, F3
L1-Cache: 64 + 64 KiB (Data + Instructions)
L2-Cache: 2*1024 KiB, fullspeed
MMX, Extended 3DNow!, SSE, SSE2, SSE3, AMD64
Socket F, ??? MHz HyperTransport - Opteron 2yy, 8yy
Socket AM2, ??? MHz HyperTransport - Opteron 1yy
VCore: 1.35 V
Max Power (TDP): 95W
NX Bit
AMD-V Virtualization
Optimized Power Management (OPM)
First Release: ?????? 2006
Clockrate: 1800–3200 MHz (xx10, xx12, xx14, xx16, xx18, xx20, xx20, xx22, xx24)


Opteron (65 nm SOI)
Quad-core — Barcelona (23yy, 83yy), Budapest (13yy)
CPU-Steppings: BA, B3
L1-Cache: 64 + 64 KiB (Data + Instructions) per core
L2-Cache: 512 KiB, fullspeed per core
L3-Cache: 2048 KiB, shared
MMX, Extended 3DNow!, SSE, SSE2, SSE3, AMD64, SSE4a
Socket F, Socket AM2+, HyperTransport 3.0 (1.6 GHz-2.0 GHz)
Registered DDR2 SDRAM required, ECC possible
VCore: ?
Max Power (TDP): ?
NX Bit
AMD-V Virtualization
Split power plane dynamic power management
VCore: 1.2 V
First Release: September 10, 2007
Clockrate: 1700–2500 MHz

Supercomputers

On the November 2007 TOP500 list, 15.8% of the world's 500 fastest known supercomputer installations were AMD64 Opteron-based systems (down from 22.6% on 11/06), while 64.4% were Intel ia32e/EM64T/Intel 64 Xeon-based.

Supercomputers based on Opteron mentioned in the top 10 fastest supercomputers in the world:
#6: Sandia National Laboratories, USA. Red Storm - Sandia/ Cray Red Storm, AMD64 Opteron Dual Core 2400 MHz. Cray Inc. 26,569 total cores. Rpeak: 127.531 TeraFlops.
#7: Oak Ridge National Laboratory, USA. Jaguar - Cray XT4/XT3. AMD64 Opteron Dual Core 2600 MHz (5.2 GFlops/unit). Cray Inc. 23,016 total cores. Rpeak: 119,350 TFlop.
#9: NERSC/LBNL, USA. Franklin - Cray XT4. AMD64 Opteron Dual Core 2600 MHz. Cray Inc. 19,320 total cores. Rpeak: 100,464 TFlop.

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AMD Opteron (3)

Opteron recall

AMD has recalled some E4 stepping-revision single-core Opteron processors, including x52 (2.6 GHz) and x54 (2.8 GHz) models which use DDR memory. The following table describes affected processors, as they are listed in AMD Opteron x52 and x54 Production Notice.[5]Max P-State
Frequency Uni-Processor Dual Processor Multi-Processor Package-Socket
2600 MHz 152 252 852 Socket 940
2800 MHz N/A 254 854 Socket 940
2600 MHz 152 N/A N/A Socket 939
2800 MHz 154 N/A N/A Socket 939


The affected processors may produce inconsistent results in the presence of three specific conditions occurring simultaneously:
The execution of floating point-intensive code sequences
Elevated processor temperatures
Elevated ambient temperatures

A software verification tool for identifying the AMD Opteron processors listed in the above table that may be affected under these specific conditions is available only to AMD OEM partners.[citation needed] AMD will replace those processors at no charge

Future

Future Opteron processors will see an implementation of the Shanghai core based on a 45 nm fabrication node and codenamed Istanbul products in early 2009, later in 1H 2009- 2H 2010 the lineup will be replaced with codenamed six-core Sao Paolo and twelve-core Magny-Cours products manufactured using the MCM technique, utilizing Socket G34. Further, the server line of processors will incorporate the newly announced Bulldozer core with native 4 cores or more configurations on 32 nm process, each supporting SSE5 aimed at better HPC and cryptographic computations. Currently,[when?] Bulldozer-based products are expected to be released in 2011.

References
^ "AMD Quad-Core Product Images". Retrieved on 2008-09-02.
^ [AMD Introduces the World’s Most Advanced x86 Processor, Designed for the Demanding Datacenter AMD to Ship Industry’s First Native x86 Quad-Core Processors In September]
^ "Quad-Core Upgradeability". Retrieved on 2007-03-06.
^ Merritt, Rick. "AMD tips quad-core performance", EETimes.com. Retrieved on 2007-03-16.
^ Advanced Micro Devices (2006-04). "AMD Opteron Processor Models x52 and x54 Production Notice". Press release. Retrieved on 2006-11-30.

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