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AMD Athlon II X4 Quad-Core Processor ​ family in Delhi

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AMD Athlon II X4 Quad-Core Processor ​ family in Delhi

amd athlon ii x4 651 / amd athlon ii x4 640/amd athlon ii x4 641 /amd athlon ii x4 640 /amd athlon ii x4 638 / amd athlon ii x4 631




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Performance Enhancements

AMD Direct Connect Architecture

An award-winning technology designed to reduce bottlenecks that can exist when multiple components compete for access to the processor bus. Competing x86 systems use a single front-side bus (FSB) which must carry memory access, graphics, and I/O traffic. Eliminate the FSB, and you can reduce delays that competing access requests can cause.

AMD Wide Floating Point Accelerator

Doubles processor bandwidth from 64- to a full 128-Bit Floating-Point math processing pipeline that can double many of the bandwidth paths that help keep it full.

AMD Digital Media XPress™ 2.0 Technology

Provides support for SSE, SSE2, SSE3, SSE4a, and MMX instructions for digital media applications and security.

CPU Architectural Features

True Multi-Core Processing

The extensive AMD64 architectural optimizations and features enable thorough integration of multiple cores within the same processor, with each core having its own L1 and L2 caches.

AMD Dedicated Multi-Cache

Each core has its own dedicated L2 cache, which enables simultaneous independent core access to L2 cache, eliminating the need for cores to arbitrate for cache access. This helps reduce latency on L2 cache accesses.

AMD Virtualization™ (AMD-V™) Technology

Silicon feature-set enhancements designed to improve the performance, reliability, and security of both existing and future virtualization environments.

AMD PowerNow! 3.0 Technology

The latest power management technologies that deliver performance on demand when you need it, and power savings when you don't.

Simultaneous 32-bit and 64-bit Computing

AMD64 technology enables a breakthrough approach to 64-bit computing that doubles the number of registers in the processor and allows PC users to use today’s 32-bit software applications while enabling them to also use the next generation of 64-bit applications.

CPU Power Management Technologies Featured In AMD PowerNow!™ 3.0 Technology

Cool’n’Quiet™ 3.0 Technology

Up to eight different performance states help enhance power efficiency. Simplified performance state transitions can reduce latency and the software overhead of performance state changes.

AMD Dynamic Power Management

Each processor core, and the integrated memory controller and HyperTransport™ controller, is powered by dedicated voltage planes.

Integrated Dual-Channel Memory Controller

Directly connects the processor to memory for optimum performance, low latency, and high throughput.

Multi-Point Thermal Control

The next-generation design features multiple on-die thermal sensors with digital interface. Automatic reduction of p-state when temperature exceeds pre-defined limit. Additional memory thermal management interface.

AMD CoolCore™ Technology

Coarse and fine transistor control that can automatically reduce processor energy consumption by turning off unused parts of the processor.

Model Number Frequency CMOS Technology Total Dedicated L2 Cache Packaging Thermal Design Power
651 3.0 GHz 32nm SOI 4MB socket FM1 100W
645 3.1 GHz 45nm SOI 2MB socket AM3 95W
641 2.8 GHz 32nm SOI 4MB socket FM1 100W
640 3.0 GHz 45nm SOI 2MB socket AM3 95W
638 2.7 GHz 32nm SOI 4MB socket FM1 65W
631 2.6 GHz 32nm SOI 4MB socket FM1 100W

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AMD Athlon II X4 Quad-Core Processor ​ family in Delhi

AMD Athlon II X4 Quad-Core Processor ​ family in Delhi

AMD Athlon II X4 Quad-Core Processor ​ family in Delhi

amd athlon ii x4 651 / amd athlon ii x4 640/amd athlon ii x4 641 /amd athlon ii x4 640 /amd athlon ii x4 638 / amd athlon ii x4 631




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