All Turion Models

Turion 64 Models

Originally released to be Pentium M’s main competitor, Turion from AMD is a low voltage CPU targeted to the mobile market and is available in two flavors: single core (Turion 64 or simply Turion) or dual-core (Turion 64 X2, Turion X2 or Turion X2 Ultra). In this tutorial we will list all models released so far and the differences between them.

Let’s talk about the single-core Turion first. We will be covering dual-core models on next pages. 

Turion 64 is based on Athlon 64’s architecture, and the main difference between Turion 64 and Athlon 64 Mobile is the power consumption, which is lower on Turion 64: Athlon 64 Mobile dissipates 65 W while Turion 64 dissipates only 35 W (ML models) or 25 W (MT models). Another difference between them is the amount of L2 cache, which is always of 1 MB on Athlon 64 Mobile, while Turion 64 can have a L2 memory cache of 512 KB or 1 MB, depending on the model.

Both CPUs feature AMD’s PowerNow! Technology, which is similar to Cool’n’Quiet technology used by desktops. This technology changes de CPU clock rate and voltage depending on CPU usage, in order to save battery life. As you can see, it competes with Intel’s Enhanced SpeedStep technology.

Turion 64 main features include:

  • The processors are not sold by their clock rate but by a “model number” figure.
  • One processing core (single core).
  • 64 KB instruction L1 memory cache and 64 KB data L1 memory cache
  • 512 KB or 1 MB L2 memory cache, depending on the model.
  • HyperTransport bus running at 800 MHz (3.2 GB/s). This clock may also be referred as “1,600 MHz.”
  • Supports DDR memory under single channel configuration (socket 754 models) or DDR2 memory supporting dual-channel configuration (socket S1 models)
  • Socket 754 or S1 (models MK-36 and MK-38)
  • Addressing up to 1 TB (terabyte) of RAM memory (address bus with 40 addressing lines, 2^40 = 1 TB)
  • Support for MMX, 3Dnow!, SSE, SSE2 and SSE3 instructions
  • PowerNow! technology
  • EVP (Enhanced Virus Protection) Technology, also known as “NX Bit Disable,” read our tutorial on this subject.
  • 90 nm manufacturing process

As mentioned, Turion 64 CPUs are available in two series: ML, which has a maximum power dissipation (TDP, Thermal Design Power) of 35 W, and MT, which has a maximum power dissipation of 25 W. The lower the power, the longer your notebook battery will last and less heat will be produced.

Model Internal Clock TDP L2 Memory Cache Socket
MK-38 2.2 GHz 31 W 512 KB  S1
MK-36 2.0 GHz 31 W 512 KB  S1
ML-44 2.4 GHz 35 W 1 MB 754
ML-42 2.4 GHz 35 W 512 KB 754
ML-40 2.2 GHz 35 W 1 MB 754
ML-37 2.0 GHz 35 W 1 MB 754
ML-34 1.8 GHz 35 W 1 MB 754
ML-32 1.8 GHz 35 W 512 KB 754
ML-30 1.6 GHz 35 W 1 MB 754
ML-28 1.6 GHz 35 W 512 KB 754
MT-40 2.2 GHz 25 W 1 MB 754
MT-37 2.0 GHz 25 W 1 MB 754
MT-34 1.8 GHz 25 W 1 MB 754
MT-32 1.8 GHz 25 W 512 KB 754
MT-30 1.6 GHz 25 W 1 MB 754
MT-28 1.6 GHz 25 W 512 KB 754

TDP stands for Thermal Design Power and indicates the CPU thermal dissipation, i.e., the CPU cooler must be capable of dissipating at least this amount of heat.

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Author: Rafael Coelho

Rafael Otto Coelho is a physicist with a master's degree in Education, and is a college professor in Brazil.

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