AMD Phenom II X4 970
VS
AMD Athlon II X4 638
AMD Phenom II X4 970
VS
AMD Athlon II X4 638

Which to select

What to choose and what is the difference between AMD Phenom II X4 970 and AMD Athlon II X4 638? Which processor is more powerful and faster to accomplish your task? The processor with the best specifications and a winner in benchmarks is your choice!

CPU generation and family

Processor nomenclature, family, group and segment.

Name
AMD Athlon II X4 638
Segment
Desktop / Server
CPU group
AMD Athlon II X4 (Llano)
Family
AMD Athlon II
Generation
2
Predecessor
--
Successor
--

CPU Cores and Base Frequency

What to choose AMD Phenom II X4 970 or AMD Athlon II X4 638? The greater the value of the characteristic (highlighted in green), the better.

3.50 GHz
Frequency
2.70 GHz
4
CPU Cores
no data
No turbo
Turbo (1 Core)
no data
4
CPU Threads
no data
No
Hyperthreading
no data
Yes
Overclocking
No
No turbo
Turbo (4 Cores)
no data
Core architecture
normal
no data
CPU Cores / Threads
4 / 4
no data
Hyperthreading / SMT
No
no data
Cores
4x
no data
Turbo Frequency (1 Core)
--
no data
Turbo Frequency (4 Cores)
--

Internal Graphics

The graphics chip allows the processor to perform complex calculation and display tasks. The more memory and the higher the clock frequency, the better. Determine the winner, who has the better chip? AMD Phenom II X4 970 or AMD Athlon II X4 638. 

GPU name
no iGPU
No turbo
GPU (Turbo)
No turbo
--
Max. Memory
no data
Max. GPU Memory
--
no data
Direct X
--

Hardware codec support

Technical information that will be of interest to specialists and does not affect the performance of the processor. It can be skipped in the comparison.

No
h264
No
No
JPEG
No
No
h265 8bit
no data
No
h265 10bit
no data
No
VP8
No
No
VP9
No
No
VC-1
No
No
AVC
No
h265 / HEVC (8 bit)
No
h265 / HEVC (10 bit)
No
AV1
No

Memory & PCIe

The interfaces and standards of RAM that the processor supports. The more modern the standard and the larger the memory capacity, the better.

DDR2-1066
Memory type
DDR3-1333
Max. Memory
16 GB
2
Memory channels
2 (Dual Channel)
No
ECC
No
no data
Bandwidth
21.3 GB/s
no data
PCIe
2.0
no data
AES-NI
No

Memory & PCIe

Encryption

Data encryption standards supported by CPUs

No
AES-NI
no data

Thermal Management

TDP is the maximum amount of heat generated by the processor. It is used when selecting a cooling system. The higher the TDP, the more heat the cooling system will have to dissipate.

125 W
TDP
no data
--
Tjunction max.
--
--
TDP up
--
--
TDP down
--
TDP (PL2)
--
no data
TDP (PL1 / PBP)
65 W

Technical details

These are key parameters that will help you determine which CPU is better. Pay special attention to the release date, technological aspects of the manufacturing process (measured in nanometers), and the third-level cache (L3).

6.00 MB
L3-Cache
--
45nm
Technology
32 nm
Deneb
Architecture
Llano
AMD-V, AMD-RVI
Virtualization
AMD-V
AM3
Socket
FM1
Q3/2010
Release date
Q1/2012
Instruction set (ISA)
x86-64 (64 bit)
L2-Cache
4.00 MB
Part Number
AD638XOJGXBOX
ISA extensions
MMX, 3DNow!, SSE3, SSE4a
no data
Operating systems
Windows 10, Linux
no data
Release price
--
no data
Documents
--

Devices using this processor

Devices that can use this type of processor, desktop or laptop.

Unknown
Used in
no data

User rating

0.0 Out of 0 CpusData Score AMD Phenom II X4 970
0.0 Out of 0 CpusData Score AMD Athlon II X4 638

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