AMD A4-4000 VS AMD A4-4020 — differences in specs

Comparison of video cards AMD A4-4000 vs AMD A4-4020 in benchmarks and specifications.

Differences Specifications Benchmarks

Differences

Top features of AMD A4-4020

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Higher clock speed

3.20 GHz 3.00 GHz

Around -7% better clock speed
Higher turbo clock speed

3.40 GHz 3.20 GHz

Around 6% better overclocked clock speed

Top features of AMD A4-4000

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Specifications

Complete list of technical specifications

AMD A4-4020 AMD A4-4000

CPU generation and family

Let's find out which one of AMD A4-4020 and AMD A4-4000 is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	AMD A4-4020 AMD A4-4000
Segment	Desktop / Server Desktop / Server
Family	AMD A AMD A
Generation	2 2
CPU group	AMD A4-4000 AMD A4-4000

CPU Cores and Base Frequency

In this block we are going to compare AMD A4-4020 vs AMD A4-4000 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

Specification	Value
Frequency	3.20 GHz 3.00 GHz
CPU Cores	2 2
Turbo (1 Core)	3.40 GHz 3.20 GHz
CPU Threads	2 2
Turbo (2 Cores)	3.40 GHz 3.20 GHz
Hyperthreading	No No
Overclocking	Yes No
Core architecture	normal normal

Internal Graphics

Common specifications for integrated graphics cards in AMD A4-4020 and AMD A4-4000 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

Specification	Value
GPU name	AMD Radeon HD 7480D AMD Radeon HD 7480D
GPU frequency	0.72 GHz 0.72 GHz
GPU (Turbo)	No turbo No turbo
Execution units	2 2
Shader	128 128
Max. GPU Memory	2 GB 2 GB
Max. displays	2 2
Generation	4 4
DirectX Version	11 11
Technology	32 nm 32 nm
Release date	Q2/2012 Q2/2012

Hardware codec support

Let's compare the support of video codecs between AMD A4-4020 and AMD A4-4000. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

Specification	Value
h265 / HEVC (8 bit)	No No
h265 / HEVC (10 bit)	No No
h264	Decode Decode
VP9	No No
VP8	No No
AV1	No No
AVC	Decode Decode
VC-1	Decode Decode
JPEG	Decode / Encode Decode / Encode

Memory & PCIe

To choose the best model between AMD A4-4020 and AMD A4-4000 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

Specification	Value
Memory type	DDR3-1333 DDR3-1333
ECC	No No
Memory channels	2 2

Encryption

AES-NI encryption support for CPUs AMD A4-4020 and AMD A4-4000.

Specification	Value
AES-NI	Yes Yes

Thermal Management

Let's find out what TDP value would be better for AMD A4-4020 or AMD A4-4000? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

Specification	Value
TDP (PL1)	65 W 65 W

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD A4-4020 and AMD A4-4000 CPUs along with a list of ISA extensions.

Specification	Value
Instruction set (ISA)	x86-64 (64 bit) x86-64 (64 bit)
Virtualization	AMD-V AMD-V
ISA extensions	SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
L3-Cache	1.00 MB 1.00 MB
Architecture	Richland (Piledriver) Richland (Piledriver)
Technology	32 nm 32 nm
Socket	FM2 FM2
Release date	Q1/2014 Q2/2013