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AMD Athlon II X4 651

4
Cores
4
Threads
100 W
TDP
3 GHz
Frequency
N/A
Boost
Llano
Codename
Socket FM1
Socket
Front
Front
Connectivity
Connectivity
AMD Socket FM1
AMD Socket FM1
The AMD Athlon II X4 651 was a desktop processor with 4 cores, launched in November 2011. It is part of the Athlon II X4 lineup, using the Llano architecture with Socket FM1. Athlon II X4 651 has 1 MB of L2 cache per core and operates at 3 GHz. AMD is building the Athlon II X4 651 on a 32 nm production process using 1,178 million transistors. The silicon die of the chip is not fabricated at AMD, but at the foundry of GlobalFoundries. The multiplier is locked on Athlon II X4 651, which limits its overclocking capabilities.
With a TDP of 100 W, the Athlon II X4 651 consumes a good deal of power, so decent cooling is needed. AMD's processor supports DDR3 memory with a dual-channel interface. For communication with other components in the system, Athlon II X4 651 uses a PCI-Express Gen 2 connection. This processor does not have integrated graphics, you will need a separate graphics card.
Hardware virtualization is available on the Athlon II X4 651, which greatly improves virtual machine performance.

Physical

Socket: AMD Socket FM1
Foundry: GlobalFoundries
Process Size: 32 nm
Transistors: 1,178 million
Die Size: 228 mm²
Package: µPGA
tJMax: 70°C

Processor

Market: Desktop
Production Status: End-of-life
Release Date: Nov 14th, 2011
Part#: AD651XWNZ43GX
AD651XWNGXBOX

Performance

Frequency: 3 GHz
Turbo Clock: N/A
Base Clock: 100 MHz
Multiplier: 30.0x
Multiplier Unlocked: No
Voltage: 1.4125 V
TDP: 100 W

Architecture

Codename: Llano
Generation: Athlon II X4
(Llano)
Memory Support: DDR3
Memory Bus: Dual-channel
ECC Memory: No
PCI-Express: Gen 2
Chipsets: A75, A55

Core Config

# of Cores: 4
# of Threads: 4
SMP # CPUs: 1
Integrated Graphics: N/A

Cache

Cache L1: 128 KB (per core)
Cache L2: 1 MB (per core)

Features

  • MMX
  • 3DNow!
  • SSE
  • SSE2
  • SSE3
  • SSE4A
  • AMD64
  • NX bit
  • AMD-V
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