AMD

AMD A9-9400 SoC

AMD processor specifications and benchmark scores

2
Cores
2
Threads
3.2
GHz Boost
10W
TDP
๐Ÿ–ฅ๏ธIntegrated GPU

AMD A9-9400 SoC Specifications

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A9-9400 SoC Core Configuration

Processing cores and threading

The AMD A9-9400 SoC features 2 physical cores and 2 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
2
Threads
2
SMP CPUs
1
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A9-9400 SoC Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in A9-9400 SoC benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The A9-9400 SoC by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.4 GHz
Boost Clock
3.2 GHz
Multiplier
24x
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AMD's A9-9400 SoC Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the A9-9400 SoC processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The A9-9400 SoC's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
160 KB
L2 Cache
1 MB (shared)
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Excavator Architecture & Process

Manufacturing and design details

The AMD A9-9400 SoC is built on AMD's 28 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in A9-9400 SoC incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Excavator
Codename
Stoney Ridge
Process Node
28 nm
Foundry
GlobalFoundries
Transistors
1,200 million
Die Size
125 mmยฒ
Generation
A9 (Stoney Ridge)
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Excavator Instruction Set Features

Supported CPU instructions and extensions

The A9-9400 SoC by AMD supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4A
SSE4.1
SSE4.2
AES
AVX
AVX2
FMA3
BMI1
BMI2
SHA
AMD64
AMD-V
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A9-9400 SoC Power & Thermal

TDP and power specifications

The AMD A9-9400 SoC has a TDP (Thermal Design Power) of 10W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
10W
Configurable TDP
15 W
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AMD Socket FT4 Platform & Socket

Compatibility information

The A9-9400 SoC uses the AMD Socket FT4 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
AMD Socket FT4
PCIe
Gen 3, 8 Lanes(CPU only)
Package
BGA
DDR5

AMD Socket FT4 Memory Support

RAM compatibility and speeds

Memory support specifications for the A9-9400 SoC define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the A9-9400 SoC determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR4
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AMD's A9-9400 SoC Integrated Graphics

Built-in GPU specifications

The AMD A9-9400 SoC includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the A9-9400 SoC provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
Radeon R5 3CU
Graphics Model
Radeon R5 3CU
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A9-9400 SoC Product Information

Release and pricing details

The AMD A9-9400 SoC is manufactured by AMD and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the A9-9400 SoC by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
May 2016
Market
Mobile
Status
End-of-life
Part Number
AM9400AKN23AC

A9-9400 SoC Benchmark Scores

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No benchmark data available for this CPU.

About AMD A9-9400 SoC

AMD A9-9400 SoC: Core Architecture and Thread Configuration

The AMD A9-9400 SoC (AMD Stoney Ridge) is a dual-core, dual-thread processor built on the Excavator architecture, positioning it as a budget-friendly APU for low-power systems. Unlike its contemporaries, it lacks simultaneous multithreading (SMT), limiting parallel task handling compared to hyper-threaded competitors. This configuration suits lightweight multitasking scenarios but struggles with resource-intensive workloads. The die integrates Radeon R5 Graphics with 2 compute units, offering basic GPU acceleration for media and casual gaming. Despite its modest core count, the A9-9400 SoC (AMD A9-9400) leverages the 28nm process node, a generation behind more advanced architectures, which impacts both performance and power efficiency.

  1. Excavator architecture with 2 physical cores and 2 threads
  2. No support for simultaneous multithreading (SMT)
  3. Integrated Radeon R5 Graphics (2 CU, 256 shaders)
  4. 28nm manufacturing process
  5. Targeted at entry-level systems with passive cooling requirements

Performance Frequencies and Thermal Design

The AMD A9-9400 SoC operates at a base clock of 2.4 GHz, boosting to 3.2 GHz under load, though sustained turbo performance is constrained by its 10W TDP. This low-power profile makes it ideal for fanless mini-PCs and all-in-one systems but limits its appeal for gaming or content creation. Single-threaded performance aligns with early-generation Ryzen 3 parts, while multi-threaded workloads lag due to the dual-core design. The TDP wall ensures stable operation in compact chassis but sacrifices headroom for overclocking. Despite the 3.2 GHz turbo boost, real-world gains are modest, reflecting the Excavator architectureโ€™s efficiency compromises compared to later Zen designs.

Memory Subsystem and Use Case Suitability

The AMD A9-9400 SoC (AMD Stoney Ridge) supports DDR4-2133 memory, with dual-channel configurations improving bandwidth for both CPU and GPU tasks. Its memory controller lacks support for higher-speed modules, capping potential for performance tuning. The APUโ€™s shared memory architecture benefits light workloads but struggles with high-bandwidth applications like 4K video editing. Targeting budget desktops and thin clients, this SoC excels in office productivity, web browsing, and media playback. However, its lack of modern features such as PCIe 3.0 lanes or advanced instruction sets makes it obsolete for modern workloads, pushing users toward newer Ryzen APUs for better efficiency and scalability.

The Intel Equivalent of A9-9400 SoC

Looking for a similar processor from Intel? The Intel Core i5-6350HQ offers comparable performance and features in the Intel lineup.

Intel Core i5-6350HQ

Intel โ€ข 4 Cores

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