AMD A4 4020 

Released December, 2013
  • 3.2 GHz
  • Dual core
7.3 Out of 10

CPUBoss Review Our evaluation of the AMD A4 4020 among desktop CPUs (45 to 75W)

Performance

Benchmark performance using all cores
A4 4020
5.0
Core i3 4130
7.2
A4 4000
5.1
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
A4 4020
5.0
Core i3 4130
8.7
A4 4000
5.4
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
A4 4020
n.d.
Core i3 4130
6.1
A4 4000
5.3
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
A4 4020
5.8
Core i3 4130
7.4
A4 4000
6.4
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
A4 4020
6.7
Core i3 4130
9.2
A4 4000
7.0
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
A4 4020
8.7
Core i3 4130
7.2
A4 4000
9.9
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more
7.3

CPUBoss Score

Combination of all six facets
A4 4020
7.3
Core i3 4130
8.4
A4 4000
7.8

Benchmarks Real world tests of the AMD A4 4020

CompuBench 1.5 (Face detection)

A4 4020
2.54 mPixels/s
Core i3 4130
13.92 mPixels/s
A4 4000
2.42 mPixels/s

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

A4 4020
83.14 fps
Core i3 4130
154.21 fps
A4 4000
95.86 fps

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

A4 4020
-1 fps
Core i3 4130
1.08 fps
A4 4000
0.38 fps

PassMark Data courtesy Passmark

A4 4020
1,835
Core i3 4130
4,786
A4 4000
1,809

PassMark (Single Core)

A4 4020
1,157
Core i3 4130
1,963
A4 4000
1,103

Specifications Full list of technical specs

summary

Clock speed 3.2 GHz
Turbo clock speed 3.4 GHz
Cores Dual core
Socket type FM2
Is unlocked No

features

Has a NX bit Yes
Supports trusted computing No
Has virtualization support Yes
Instruction set extensions
  1. ABM
  2. AES
  3. AMD-V
  4. AMD64
  5. AVX
  6. AVX 1.1
  7. BMI1
  8. CVT16
  9. F16C
  10. FMA3
  11. FMA4
  12. MMX
  13. SSE
  14. SSE2
  15. SSE3
  16. SSE4.1
  17. SSE4.2
  18. SSE4a
  19. Supplemental SSE3
  20. TBM
  21. XOP
Supports dynamic frequency scaling Yes

memory controller

Memory controller Built-in
Memory type DDR3
Channels Dual Channel
Maximum bandwidth 12,800 MB/s

details

Architecture x86-64
Threads 2 threads
L2 cache 1 MB
L2 cache per core 0.5 MB/core
Manufacture process 32 nm
Max CPUs 1
Operating temperature Unknown - 70°C

integrated graphics

GPU GPU
Label Radeon HD 7480D
GPU clock speed 720 MHz

power consumption

TDP 65W
Annual home energy cost 15.66 $/year
Annual commercial energy cost 56.94 $/year
Performance per watt 0.74 pt/W
Typical power consumption 52.81W
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