A9-9420

Details and Benchmarks for AMD A9-9420

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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 A9-9420 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,385 Rank: 1421
Rank Name Score Visual
1417 Pentium N6415 4,388
+0.1%
1418 Pentium G840 4,387
+0%
1419 Phenom II X2 560 4,387
+0%
1420 Celeron G530 4,385
+0%
1421 A9-9420 4,385
1422 Core i7-8500Y 4,385
+0%
1423 Phenom II X4 965 4,384
+-0%
1424 Xeon E5450 4,384
+-0%
1425 Pentium Silver J5005 4,382
-0.1%
1426 Core i5-2520M 4,382
-0.1%

View full ranking →

Multicore Score

Multicore performance score for A9-9420 based on multi-threaded benchmark results.

4,320 Rank: 1686
Rank Name Score Visual
1682 A4-7300 4,322
+0%
1683 Intel Celeron N3160 4,321
+0%
1684 A6-7400K 4,321
+0%
1685 Celeron B820 4,320
+0%
1686 A9-9420 4,320
1687 Core 2 Duo T9800 4,320
+0%
1688 Athlon II X2 215 4,320
+0%
1689 Core i5-430M 4,320
+0%
1690 Core i3-380M 4,320
+0%
1691 Athlon II X2 280 4,320
+0%

View full ranking →

Singlecore Score

Single-core performance score for A9-9420 based on single-threaded benchmark results.

4,429 Rank: 1360
Rank Name Score Visual
1356 A8-5600K 4,432
+0.1%
1357 Core i7-2670QM 4,431
+0%
1358 Xeon E3-1260L 4,431
+0%
1359 Core i5-2515E 4,429
+0%
1360 A9-9420 4,429
1361 Athlon X4 840 4,429
+0%
1362 FX-6120 4,427
+-0%
1363 Athlon II X4 631 4,427
+-0%
1364 Core i3-5010U 4,427
+-0%
1365 A10 PRO-7800B 4,427
+-0%

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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 A9-9420 based on integer math, floating point math, and prime number computation benchmarks.

4,503 Rank: 1514
Rank Name Score Visual
1510 Core i5-2557M 4,503
+0%
1511 Pentium G620 4,503
+0%
1512 A6-5400K 4,503
+0%
1513 A9-9425 4,503
+0%
1514 A9-9420 4,503
1515 Core i5-4202Y 4,503
+0%
1516 Celeron 2950M 4,503
+0%
1517 Phenom II X3 700e 4,503
+0%
1518 Phenom II X2 560 4,502
+-0%
1519 Pentium 3805U 4,502
+-0%

View full ranking →

Data Processing

Aggregated score for A9-9420 based on data encryption, data compression, and string sorting benchmarks.

4,465 Rank: 1569
Rank Name Score Visual
1565 Phenom II X2 B53 4,466
+0%
1566 Celeron J4025 4,466
+0%
1567 Pentium 4405Y 4,465
+0%
1568 Core M-5Y10 4,465
+0%
1569 A9-9420 4,465
1570 Pentium E5700 4,465
+0%
1571 Athlon II X2 235e 4,465
+0%
1572 Celeron N4000 4,464
+-0%
1573 Pentium G6950 4,464
+-0%
1574 A4-5300 4,464
+-0%

View full ranking →

Physics & Compute

Aggregated score for A9-9420 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,476 Rank: 1569
Rank Name Score Visual
1565 A6-6310 4,477
+0%
1566 Atom x7-Z8700 4,476
+0%
1567 A4-6300 4,476
+0%
1568 A9-9425 4,476
+0%
1569 A9-9420 4,476
1570 A9-9410 4,476
+0%
1571 Phenom II X2 545 4,476
+0%
1572 Pentium 2117U 4,476
+0%
1573 Pentium B940 4,475
+-0%
1574 A4-5300 4,475
+-0%

View full ranking →

A9-9420 Details

The A9-9420 represents a significant step forward in integrated performance for low-power mobile platforms, leveraging AMD's 14 nm process to deliver a compelling balance of efficiency and capability. Though released several years ago, its design reflects a focus on power-conscious computing, with a 4.5 W TDP making it ideal for ultrabooks and fanless devices. Built on the Zen+ microarchitecture, the processor delivers robust single-threaded performance while maintaining thermal efficiency, a trait that continues to make it relevant in specific embedded and lightweight computing scenarios.

At its core, the A9-9420 features two CPU cores with four threads, thanks to AMD's simultaneous multithreading (SMT) technology. It operates at a base frequency of 1.1 GHz, with a turbo frequency reaching 2.6 GHz, allowing it to handle everyday workloads with responsiveness. Despite its modest core count, the processor benefits from a unified cache hierarchy, including 1 MB of L2 cache and up to 4 MB of shared L3 cache, which enhances data throughput for multitasking and light application use.

Memory support includes dual-channel LPDDR3 and DDR3L/DDR3L-RS, with a maximum bandwidth of 25.6 GB/s and a cap of 16 GB of RAM. This configuration ensures adequate memory bandwidth for typical productivity tasks and multimedia playback, though it falls short of modern standards in high-demand environments. The processor also supports a variety of Intel-based features such as AES-NI, AVX2, and virtualization technologies like VT-x and VT-d, making it suitable for secure and virtualized workloads.

Integrated graphics are provided by the HD Graphics 5300, a GPU designed by Intel, which runs at a base frequency of 300 MHz and can burst up to 900 MHz. It supports up to three display outputs and is capable of handling basic 1080p video playback and light gaming, though it is not intended for demanding graphics applications. The processor’s PCIe 2.0 interface supports up to 12 lanes, with configurations including x1, x2, and x4 lanes, enabling connectivity to modern peripherals.

In benchmark testing, the A9-9420 achieves an overall score of 4385, placing it at #1420 among 2060 CPUs, with a single-core score of 4429 (#1359) and a multicore score of 4320 (#1685). These results highlight its strength in single-threaded tasks, where it outperforms many older dual-core processors and competes with early-generation Intel Celerons and Pentiums. However, its multicore performance trails behind modern quad-core and higher processors, limiting its use in content creation or heavy multitasking.

As of March 2026, the A9-9420 remains a niche option for users prioritizing power efficiency and cost-effective computing over raw performance. While it lacks the capabilities of contemporary high-end CPUs, its integrated graphics and low TDP make it a viable choice for basic computing, thin-and-light laptops, and embedded systems where thermal constraints are critical.
Frequently Compared

AMD A4-6300 38 views

AMD Athlon II X2 265 37 views

AMD Ryzen 5 3500X 34 views

AMD Athlon II X2 270 34 views

AMD Ryzen 7 2700E 34 views

AMD Ryzen 3 PRO 2200GE 33 views

AMD Ryzen 5 PRO 3500U 33 views

AMD A8-7200P 33 views

AMD Ryzen 9 PRO 3900 29 views

Intel Celeron G530 29 views

AMD A9-9420

Main Specifications

Designer: AMD
Name: A9-9420
Model Number: 5Y51
Cores: 2
Threads: 4
Base Frequency: 1100 MHz
Socket: FCBGA1234
Max CPUs: 1
TDP: 4.5 W

Cache Specifications

Memory Specifications

Supported Memory Type: LPDDR3 1333/1600; DDR3L/DDR3L-RS 1600
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 25.6 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 12
PCIe Configuration: x1 (6), x2 (4), x4 (3)

Integrated Graphics

GPU: HD Graphics 5300
GPU Designer: Intel
GPU Max Frequency: 900 MHz

Physical Specifications

Process: 14 nm
Word Size: 64-bit

CPU Features

SSE4.1 SSE4.2 AVX2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA
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