A4-4020

Details and Benchmarks for AMD A4-4020

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Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for A4-4020 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,251 Rank: 1597
Rank Name Score Visual
1593 Xeon 5160 4,252
+0%
1594 Phenom II X4 945 4,251
+0%
1595 Phenom 9600 4,251
+0%
1596 Core 2 Duo T9600 4,251
+0%
1597 A4-4020 4,251
1598 Celeron J4005 4,250
+-0%
1599 Atom C3858 4,250
+-0%
1600 Celeron J4105 4,249
+-0%
1601 Core i3-4010U 4,247
-0.1%
1602 Phenom II X4 B93 4,247
-0.1%

View full ranking →

Multicore Score

Multicore performance score for A4-4020 based on multi-threaded benchmark results.

4,300 Rank: 1754
Rank Name Score Visual
1750 Celeron N2910 4,302
+0%
1751 Celeron J1900 4,301
+0%
1752 E2-3200 4,301
+0%
1753 Athlon 64 X2 5400+ 4,301
+0%
1754 A4-4020 4,300
1755 A6-5400K 4,299
+-0%
1756 Pentium E6300 4,299
+-0%
1757 Celeron N2940 4,299
+-0%
1758 Pentium 3556U 4,299
+-0%
1759 Athlon II X2 240e 4,299
+-0%

View full ranking →

Singlecore Score

Single-core performance score for A4-4020 based on single-threaded benchmark results.

4,218 Rank: 1554
Rank Name Score Visual
1550 Core i3-2100T 4,227
+0.2%
1551 Core i5-540M 4,225
+0.2%
1552 Pentium B970 4,224
+0.1%
1553 Pentium E6300 4,224
+0.1%
1554 A4-4020 4,218
1555 Core i3-6102E 4,217
+-0%
1556 Core 2 Duo T9800 4,217
+-0%
1557 Core 2 Quad Q6600 4,216
+-0%
1558 Athlon II X4 635 4,215
-0.1%
1559 Core i3-530 4,215
-0.1%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for A4-4020 based on integer math, floating point math, and prime number computation benchmarks.

4,501 Rank: 1528
Rank Name Score Visual
1524 Athlon II X3 435 4,501
+0%
1525 Xeon W3503 4,501
+0%
1526 A4-5300B 4,501
+0%
1527 Celeron 4305U 4,501
+0%
1528 A4-4020 4,501
1529 Core i3-2312M 4,500
+-0%
1530 Pentium G6950 4,500
+-0%
1531 Celeron G550 4,500
+-0%
1532 Athlon II X3 425 4,500
+-0%
1533 Core i5-4210Y 4,500
+-0%

View full ranking →

Data Processing

Aggregated score for A4-4020 based on data encryption, data compression, and string sorting benchmarks.

4,461 Rank: 1597
Rank Name Score Visual
1593 Pentium 3550M 4,461
+0%
1594 Athlon II X2 215 4,461
+0%
1595 Pentium E5400 4,461
+0%
1596 A4-5000 4,461
+0%
1597 A4-4020 4,461
1598 E2-6110 4,461
+0%
1599 Celeron J3355 4,460
+-0%
1600 Xeon W3505 4,460
+-0%
1601 Celeron G1820TE 4,460
+-0%
1602 Celeron 2950M 4,460
+-0%

View full ranking →

Physics & Compute

Aggregated score for A4-4020 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,472 Rank: 1587
Rank Name Score Visual
1583 A6-5400K 4,472
+0%
1584 Celeron 3205U 4,472
+0%
1585 Celeron J1900 4,472
+0%
1586 Pentium N3520 4,472
+0%
1587 A4-4020 4,472
1588 Atom x7-Z8750 4,471
+-0%
1589 A6-9220 4,471
+-0%
1590 Pentium N3540 4,471
+-0%
1591 A4-6210 4,471
+-0%
1592 Celeron 1017U 4,471
+-0%

View full ranking →

A4-4020 Details

The AMD A4-4020 delivers a multicore score of 4,300, ranking it #1,754 out of 2,060 processors in the benchmark database. This places it just behind a small cluster of similarly positioned dual-core chips, including the A6-9500 and the Celeron J1900, yet slightly ahead of older Intel Pentium models like the E6300 and the A6-5400K. Despite its modest performance, the A4-4020 holds a single-core score of 4,218, positioning it at #1,554—making it competitive with early-generation Core i5 and Core 2 Duo processors, though still trailing behind more modern offerings. Its overall score of 4,251 lands it at #1,594, reflecting a balanced but underwhelming performance profile for a 2014-era chip. As of March 2026, the A4-4020 is firmly in the realm of legacy hardware, having been surpassed by nearly every contemporary CPU in both single-core and multicore domains.

Designed by AMD and built on the Richland microarchitecture, the A4-4020 is a desktop processor manufactured at GlobalFoundries using a 32 nm process. It features two cores and two threads, with a base clock of 3.2 GHz and a turbo frequency of 3.4 GHz. The chip operates on the Socket FM2 platform and includes a 1 MB L2 cache, though no L3 cache is present. It supports DDR3 memory with a maximum rated speed of 1333 MT/s and operates at a 65 W TDP, making it relatively efficient for its time. The processor integrates the Radeon HD 7480D GPU, which provides basic graphics performance suitable for light multimedia and casual gaming.

Despite its age, the A4-4020 supports a broad range of modern instruction sets, including AVX, SSE4.1, SSE4.2, and AES-NI, enabling it to run a wide variety of software applications. It also supports hardware virtualization through AMD-V, which improves virtual machine performance. However, the processor lacks Simultaneous Multithreading (SMT), limiting its ability to handle multi-threaded workloads efficiently. The locked multiplier restricts overclocking potential, and its 32 nm fabrication process, while advanced for its era, is now outdated by modern standards.

The A4-4020’s benchmark performance underscores its role as a budget-friendly, entry-level processor. While it holds a respectable single-core score, its multicore performance is significantly constrained by its dual-core design and lack of modern scaling features. In today’s landscape, it is best suited for basic office tasks, web browsing, and light multimedia consumption, but it struggles with modern applications and multitasking demands. For users seeking more power, even low-end modern CPUs offer substantially better performance across all benchmarks.

In summary, the AMD A4-4020 represents a transitional design from the early 2010s, offering modest performance at a low power budget. While it was competitive in its time, it now serves as a reminder of how quickly CPU technology has evolved. For contemporary use, it is best reserved for secondary systems or retro computing projects rather than primary workstations or gaming rigs.
Frequently Compared

Intel Celeron G5900 94 views

Intel Core M 5Y10 87 views

Intel Atom Z520 79 views

AMD Phenom II X3 710 78 views

AMD Ryzen 5 3600 74 views

AMD Ryzen Threadripper 2950X 73 views

AMD Ryzen 3 PRO 2200GE 70 views

AMD Ryzen 5 3500X 70 views

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AMD A10-4600M 66 views

AMD A4-4020

Main Specifications

Designer: AMD
Name: A4-4020
Cores: 2
Threads: 2
Base Frequency: 3200 MHz
Clock Multiplier: 32x (locked)
Core Name: Richland
Socket: Socket FM2
Package: µPGA
Target Segment: Desktop
TDP: 65 W

Cache Specifications

L2 Cache: 0.954 MiB

Memory Specifications

Supported Memory Type: DDR3

Physical Specifications

Process: 32 nm
Die Area: 246 mm²
Manufacturer: GlobalFoundries

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX ABM BMI1 FMA3 AES CLMUL F16C SSE4a FMA4 AMD-V 3DNow! TBM XOP PowerNow!
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