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Same socket

There are two different versions of Phenom II X6 1055T processor - HDT55TWFK6DGR with 95 Watt Thermal Design Power (TDP), and this HDT55TFBK6DGR with 125 Watt TDP. In addition to different TDP, this microprocessor also has lower maximum operating temperature and slightly higher range of operating core voltages than the 95 Watt version of 1055T. All other features of 95 Watt and 125 Watt versions of this model are alike - 2.8 GHz core frequency, 3 MB level 2 cache, 6 MB level 3 cache, compatibility with DDR3 memory, and, new for X6 family, Turbo Core feature, that boosts core frequency of active when half or more cores are idle.

AMD Phenom II X6 1055T specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyAMD Phenom II X6
Model number  ? 1055T
CPU part numbers
  • HDT55TFBK6DGR is an OEM/tray microprocessor
  • HDT55TFBGRBOX is a boxed microprocessor
Stepping codesACBBE CB   CCBBE CB
Frequency  ? 2800 MHz
Turbo frequency3300 MHz (3 cores or less)
Bus speed  ? 667 MHz Memory controller
One 2000 MHz 16-bit HyperTransport link
Clock multiplier  ? 14
Package938-pin organic micro-PGA
SocketSocket AM3
Introduction dateApril 27, 2010
Price at introduction$199
Architecture / Microarchitecture
Processor core  ? Thuban
Core stepping  ? PH-E0
Manufacturing process0.045 micron SOI
Die size346mm2
Data width64 bit
The number of cores6
The number of threads6
Floating Point UnitIntegrated
Level 1 cache size  ? 6 x 64 KB instruction caches
6 x 64 KB data caches
Level 2 cache size  ? 6 x 512 KB caches
Level 3 cache size6 MB shared cache
Cache latency3 (L1 cache)
13 (L2 cache)
48 (L3 cache)
  • 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  ? 
  • Turbo Core technology
Low power featuresCool'n'Quiet 3.0
Integrated peripherals / components
Integrated graphicsNone
Memory controller
  • 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 peripheralsHyperTransport 3.x technology
Electrical / Thermal parameters
V core  ? 1.15V - 1.475V (at rated frequency)
1.25V - 1.475V (Turbo Core mode)
1V - 1.225V (Minimum performance state)
V NorthBridge1.05V - 1.175V
Maximum operating temperature  ? 55°C - 62°C
Thermal Design Power  ? 125 Watt
Notes on AMD Phenom II X6 1055T
  • On socket AM2+/AM3 platforms in the minimum performance state the processor runs at 800 MHz core voltage and has TDP 55.4 Watt

Detailed side-by-side comparison

For detailed comparision of the AMD 1055T and any other other chip from our CPU database type in a chip name and/or its partial specs:

You can specify any of the following: manufacturer name, family name, model number, part number, core name, socket name, operating frequency, bus speed, and the last level cache. Here are examples of searches: 1055T, HDT55TFBK6DGR, AMD Phenom II X6 2.8GHz, Thuban Socket AM3

Historical price chart

The chart below shows official prices of AMD Phenom II X6 1055T and 1065T processors:

Historical official prices of Phenom II X6 1055T and 1065T processors


Q: I have an AMD 1055T CPU. Is it possible to upgrade it?
A: Probably yes. Processor compatibility is determined by your motherboard. Please check website for CPU support list for your board.

Phenom II X6 1055T Overclocking

Sorry, overclocking information is not available at this time.

Related news stories

AMD cuts prices of Phenom II and FX CPUs
Feb 28, 2012: As you may know, AMD yesterday launched two FX microprocessors, including company's first production CPU, operating faster than 4 GHz. New product releases are usually accompanied by price drops of older models, and it wasn't an exception this time. AMD cut prices on two FX-Series models, and reduced prices for most of Phenom IIs. They also added pricing for A-Series A6-3620 and A8-3820 Accelerated Processing units (APUs).

Six-core AMD Phenom II X6 processors are out
Apr 27, 2010: Today AMD introduced six-core Phenom II processors, branded as Phenom II X6. First two models in this family are 1055T with core frequency 2.8 GHz, and 1090T Black Edition with 3.2 GHz core frequency and unlocked clock multiplier.

Phenom II X6 1055T and 1090T pre-order prices
Apr 18, 2010: As the release date for new generation of Phenom II microprocessors is getting close, more and more online store add six-core Phenoms to their inventory. Below we compiled pre-order prices published by large US-based online stores.

Phenom II X6 1055T appears on eBay
Apr 16, 2010: A few days ago we reported that some Phenom II X6 1055T boxed microprocessors were sold in China. Well, you no longer need to travel to China to buy one six-core Phenom II.

Phenom II X6 1055T sold in China
Apr 12, 2010: It seems that some boxed Phenom II X6 1055T CPUs were sold in China in the past few days. site posted pictures of the processors, and there were pictures and benchmark results posted in forum as well (see links at the bottom).

Compare AMD 1055T (125W) benchmark results with all tested CPUs from one of the following families:

To compare this Phenom II X6 CPU with any tested processor please proceed to

For additional benchmarks, comparing multi-threaded performance of this microprocessor with other Phenom II X6 CPUs and the fastest AMD and Intel x86 chips, please visit AMD Phenom II X6 1055T (125W) benchmarks page.

AMD 1055T Benchmarks

The graphs below show up to 10 microprocessors with approximately the same level of integer (CPU), floating-point (FPU), SIMD and memory performance. All processors were not overclocked, and were tested at a nominal frequency, with a stock heatsink and default BIOS settings. Click on the '?' mark next to each model name to see specifications of that model, and details of the test platform. To find out how the 1055T (125W) compares to other CPUs in specific benchmarks or in aggregate milti-threading performance please see benchmark tools section on the right.

Benchmarked processor

CPU vendor string:AuthenticAMD
CPU name string:AMD Phenom(tm) II X6 1055T Processor

Integer performance

Part number   Result
AMD FX-8320  ? 
Intel Core i7-875K  ? 
Intel Core i7-870  ? 
Intel Core i7-2600S  ? 
AMD Phenom II X6 1055T (95W)  ? 
AMD Phenom II X6 1055T (125W)  ? 
Intel Core i7-940  ? 
AMD Phenom II X6 1045T  ? 
AMD FX-8140  ? 
Intel Core i7-860  ? 
AMD FX-8120 (95W)  ? 

Floating Point performance

Part number   Result
Intel Core i7-2600S  ? 
Intel Core i7-860  ? 
AMD Phenom II X6 1075T (non-BE)  ? 
Intel Core i7-920  ? 
AMD Phenom II X6 1065T  ? 
AMD Phenom II X6 1055T (125W)  ? 
AMD Phenom II X6 1055T (95W)  ? 
AMD Phenom II X6 1045T  ? 
AMD FX-8350  ? 
AMD Phenom II X6 1035T  ? 
AMD Phenom II X4 980  ? 

MMX / SSE / SSE2 performance

Part number   Result
Intel Core i7-920  ? 
AMD Phenom II X6 1075T (non-BE)  ? 
AMD Phenom II X6 1065T  ? 
AMD FX-8140  ? 
AMD FX-8120 (95W)  ? 
AMD Phenom II X6 1055T (125W)  ? 
AMD Phenom II X6 1055T (95W)  ? 
AMD FX-8120  ? 
AMD FX-6350  ? 
AMD Phenom II X6 1045T  ? 
AMD FX-6200  ? 

Memory-intensive program performance

Part number   Result
AMD Phenom II X4 965 (125W, BE)  ? 
AMD Phenom II X4 965 (140W, BE)  ? 
AMD FX-4300  ? 
AMD FX-8120 (95W)  ? 
AMD FX-6120  ? 
AMD Phenom II X6 1055T (125W)  ? 
AMD FX-8120  ? 
AMD Phenom II X6 1055T (95W)  ? 
AMD A10-6800K  ? 
AMD A10-6800B  ? 
AMD Phenom II X6 1045T  ? 

CPU ID information for the Phenom II X6 1055T

Our CPUID database contains 3 records for this microprocessor. See all submitted records.

Use our CPU identification tool to check features of your CPU.

NOTE: The CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the AMD Phenom II X6 1055T CPU.

CPU Family:Phenom II X6
Model Number:1055T
Frequency:3010 MHz
Part number:
Stepping Code:
Submitted by:
General information
Processor name (BIOS):AMD Phenom(tm) II X6 1055T Processor
Processor name (CWID):Phenom II(tm) X6 1055T
Logical processors:6
Processor type:Original OEM Processor
Core stepping:PH-E0
CPUID signature:100FA0
Family:16 (010h)
Model:10 (0Ah)
Stepping: 0 (00h)

Cache: L1 data L1 instruction L2 L3
Size: 6 x 64 KB 6 x 64 KB 6 x 512 KB 6 MB
Associativity: 2-way set
2-way set
16-way set
48-way set
Line size: 64 bytes 64 bytes 64 bytes 64 bytes
Lines per tag: 1 1 1 1
Instruction set extensionsAdditional instructions
MMX Advanced Bit manipulation
AMD extensions to MMX CLFLUSH
Extensions to 3DNow! CMPXCHG16B
  SKINIT/STGI support
Major featuresOther features
On-chip Floating Point Unit 1 GB large page support
64-bit / Intel 64 100MHz multiplier control
NX bit/XD-bit 128-bit SSE instructions
Secure Virtual Machine (Virtualization) 36-bit page-size extensions
Turbo Core Advanced programmable interrupt controller
PowerNow! / Cool'n'Quiet Core multi-processing legacy mode
  Debugging extensions
  Extended APIC space
  FXSAVE/FXRSTOR optimizations
  Hardware P-state control
  Hardware thermal control
  Instruction based sampling
  LAHF/SAHF support in 64-bit mode
  LBR virtualization
  LOCK MOV CR0 means MOV CR8
  Machine check architecture
  Machine check exception
  Memory-type range registers
  Misaligned SSE mode
  Model-specific registers
  Nested page tables
  OS visible workaround
  Page attribute table
  Page global extension
  Page-size extensions (4MB pages)
  Physical address extensions
  SVM lock
  Software thermal control
  Support for NRIP save
  TSC rate is ensured to be invariant across all states
  Temperature sensor
  Time stamp counter
  Virtual 8086-mode enhancements
  Watchdog timer support

CPUs, related to AMD Phenom II X6 1055T (125W)

Model Cores /
Frequency Turbo
TDP Features  
AMD Phenom II X6 family, Socket AM3
   Phenom II X6 1035T6 / 62.6 GHz3.1 GHz6 MB95W>
   Phenom II X6 1045T6 / 62.7 GHz3.2 GHz6 MB95W>
   Phenom II X6 1055T (95W)6 / 62.8 GHz3.3 GHz6 MB95W>
   Phenom II X6 1055T (125W)6 / 62.8 GHz3.3 GHz6 MB125W 
   Phenom II X6 1065T6 / 62.9 GHz3.4 GHz6 MB95W>
   Phenom II X6 1075T (non-BE)6 / 63 GHz3.5 GHz6 MB125W>
   Phenom II X6 1090T6 / 63.2 GHz3.6 GHz6 MB125WUnlock>
   Phenom II X6 1100T6 / 63.3 GHz3.7 GHz6 MB125WUnlock>
 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)
 • Background color of specs and features indicate whether they are better or worse than similar spec/feature of the Phenom II X6 1055T (125W)
 • Click on the >  icon to compare any CPU in the table with the AMD Phenom II X6 1055T (125W) (Javascript required).
 • Features abbreviations:
Unlock - Unlocked multiplier

Pictures (11)

2010-05-14 19:47:08
Posted by: gshv

2010-05-14 19:47:43
Posted by: gshv

Side view
2010-05-14 19:48:15
Posted by: gshv

Box front view
Phenom II X6 1055T (125W) - the box
2010-05-14 19:49:01
Posted by: gshv

Phenom II X6 1055T (125W) - the box
AMD Phenom II X6 1055T - HDT55TFBK6DGR
2010-06-04 18:08:20
Posted by: Kyle Bedell

Mounted onto an ASUS M4A79XTD EVO MB
AMD Phenom II X6 1055T - HDT55TFBK6DGR
AMD Phenom II X6 1055T - HDT55TFBK6DGR (2)
2010-06-04 18:11:58
Posted by: Kyle Bedell

Mounted onto an ASUS M4A79XTD EVO MB
AMD Phenom II X6 1055T - HDT55TFBK6DGR (2)
2010-07-09 22:40:52
Posted by: gshv

AMD Phenom II X6 1055T CPU
2010-07-09 22:42:28
Posted by: gshv

Stepping code CCBBE CB 1013CPCW. The processor was manufactured in the second half of March.
AMD Phenom II X6 1055T CPU
2010-10-01 07:14:24
Posted by: rezaomido

Cool heat sink
2010-11-22 12:33:33
Posted by: DDRAMbo

I'm very impressed with the stock heat sink/fan. I put together a system using this processor with 8GB of DDR3 and a nVidia GTX 460, and the system runs ultra quiet and cool with only 3 fans (plus the power supply). It is damn fast with win7 64-bit.
Cool heat sink
AMD Phenom II X6 1055T 125W
2013-05-26 11:46:25
Posted by: Jonathan

125W TDP version.
AMD Phenom II X6 1055T 125W
Comments (0)

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