AMD A8-3870K
vs
AMD Phenom II X4 840

vs

CPU Comparison Result

Below are the results of a comparison of AMD A8-3870K and AMD Phenom II X4 840 processors based on key performance characteristics, as well as power consumption and much more.

Advantages

  • Higher Technology: 32 nm (32 nm vs 45 nm)
  • Newer Launch Date: December 2011 (December 2011 vs January 2011)

Basic

AMD
Label Name
AMD
December 2011
Launch Date
January 2011
Desktop
Platform
Desktop
A8-3870K
Model Name
The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.
Phenom II X4 840
Llano
Code Name
Propus
A8 (Llano)
Generation
Phenom II X4 (Propus)

CPU Specifications

4
Total Cores
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
4
4
Total Threads
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
4
3 GHz
Basic Frequency
3.2 GHz
128 KB (per core)
L1 Cache
128 KB (per core)
1 MB (per core)
L2 Cache
512 KB (per core)
100 MHz
Bus Frequency
200 MHz
AMD Socket FM1
CPU Socket
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
AMD Socket AM3
30.0x
Multiplier
16.0x
Yes
Multiplier Unlocked
No
32 nm
Technology
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
45 nm
100 W
TDP
95 W
-
PCI Express Version
PCI Express Revision is the supported version of the PCI Express standard. Peripheral Component Interconnect Express (or PCIe) is a high-speed serial computer expansion bus standard for attaching hardware devices to a computer. The different PCI Express versions support different data rates.
Gen 2
1,178 million
Transistor Count
300 million

Memory Specifications

DDR3
Memory Type
Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.
DDR2, DDR3
Dual-channel
Memory Channels
The number of memory channels refers to the bandwidth operation for real world application.
Dual-channel
No
ECC Memory Support
ECC Memory Supported indicates processor support for Error-Correcting Code memory. ECC memory is a type of system memory that can detect and correct common kinds of internal data corruption. Note that ECC memory support requires both processor and chipset support.
Yes

GPU Specifications

Radeon HD 6550D
Integrated Graphics Model
An integrated GPU refers to the graphics core that is integrated into the CPU processor. Leveraging the processor's powerful computational capabilities and intelligent power efficiency management, it delivers outstanding graphics performance and a smooth application experience at a lower power consumption.
On certain motherboards (Chipset feature)

Benchmarks

Passmark CPU Single Core
A8-3870K
1200
Phenom II X4 840
1299 +8%
Passmark CPU Multi Core
A8-3870K
2294
Phenom II X4 840
2385 +4%