AMD

AMD Athlon X4 850

AMD processor specifications and benchmark scores

4
Cores
4
Threads
3.9
GHz Boost
65W
TDP
🔓Unlocked

AMD Athlon X4 850 Specifications

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Athlon X4 850 Core Configuration

Processing cores and threading

The AMD Athlon X4 850 features 4 physical cores and 4 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
4
Threads
4
SMP CPUs
1
⏱️

Athlon X4 850 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Athlon X4 850 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 Athlon X4 850 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.2 GHz
Boost Clock
3.9 GHz
Multiplier
32x 🔓
💾

AMD's Athlon X4 850 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Athlon X4 850 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 Athlon X4 850's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
256 KB
L2 Cache
4 MB
🏗️

Steamroller Architecture & Process

Manufacturing and design details

The AMD Athlon X4 850 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 Athlon X4 850 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Steamroller
Codename
Godaveri
Process Node
28 nm
Foundry
GlobalFoundries
Transistors
2,411 million
Die Size
245 mm²
Generation
Athlon (Godaveri)
🔢

Steamroller Instruction Set Features

Supported CPU instructions and extensions

The Athlon X4 850 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
AMD64
AMD-V
🔌

Athlon X4 850 Power & Thermal

TDP and power specifications

The AMD Athlon X4 850 has a TDP (Thermal Design Power) of 65W, 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
65W
Tj Max
90°C
🔧

AMD Socket FM2+ Platform & Socket

Compatibility information

The Athlon X4 850 uses the AMD Socket FM2+ 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 FM2+
Chipsets
A88X, A85X, A78, A75, A68H
PCIe
Gen 3, 16 Lanes(CPU only)
Package
µPGA
DDR5

AMD Socket FM2+ Memory Support

RAM compatibility and speeds

Memory support specifications for the Athlon X4 850 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 Athlon X4 850 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
DDR3
Memory Bus
Dual-channel
Memory Bandwidth
34.1 GB/s
📦

Athlon X4 850 Product Information

Release and pricing details

The AMD Athlon X4 850 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 Athlon X4 850 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Market
Desktop
Status
End-of-life
Part Number
AD835XACI43KA

Athlon X4 850 Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how AMD Athlon X4 850 performs in parallel rendering workloads like video production and 3D animation. Higher scores mean faster render times in professional applications.

cinebench_cinebench_r15_multicore #1447 of 1788
235
2%
Max: 14,978
Compare with other CPUs

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on AMD Athlon X4 850.

cinebench_cinebench_r20_multicore #1447 of 1788
983
2%
Max: 62,412
Compare with other CPUs

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of AMD Athlon X4 850.

cinebench_cinebench_r20_singlecore #1446 of 1784
138
2%
Max: 8,811
Compare with other CPUs

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of AMD Athlon X4 850 after thermal limits kick in.

cinebench_cinebench_r23_multicore #1446 of 1788
2,342
2%
Max: 148,601
Compare with other CPUs

🏆 Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how AMD Athlon X4 850 maintains boost clocks under continuous load.

cinebench_cinebench_r23_singlecore #1447 of 1788
330
2%
Max: 20,979
Compare with other CPUs

About AMD Athlon X4 850

Diving into the architecture of the AMD Athlon X4 850, this quad-core, four-thread processor sticks to a straightforward design no Simultaneous Multithreading (SMT) here, meaning each core handles just one thread. That’s a clear limitation compared to modern CPUs, but it keeps things simple and predictable. Clocking in at a base of 3.20 GHz and boosting up to 3.90 GHz, the Athlon X4 850 delivers moderate burst performance, especially when tackling lightly threaded tasks. While these frequencies aren’t breaking records, they’re respectable for a budget-focused chip built on the aging 28nm process. The lack of extra threads means multitasking gets tight under heavy workloads, but for basic computing, it holds its own. This FM2+ socket-based chip, part of the Godaveri generation, reflects AMD’s transitional phase between legacy platforms and modern efficiency. Despite its simplicity, the Athlon X4 850 remains relevant in niche rebuilds and legacy system upgrades. Power efficiency isn’t where this chip shines 65W TDP is decent on paper, but the 28nm process lags behind today’s 7nm and 5nm standards, resulting in higher heat and energy use per computation. Real-world usage shows it sipping more power than newer low-end CPUs while delivering less performance. Benchmarks back this up: scoring 983 in Cinebench R20 (multi-core) and 2,342 in R23 highlights its limitations in modern workloads. Single-core performance, at 138 (R20) and 330 (R23), shows it can handle basic applications, but don’t expect snappy responsiveness in demanding software. Compared to contemporary APUs or Intel’s entry-level offerings, the AMD Athlon X4 850 feels outdated in energy-per-clock terms. Yet, in systems where upgrade paths are limited, this processor still offers a functional, if inefficient, bridge to basic computing. It’s not green, but it gets the lights on. When it comes to practical use cases, the Athlon X4 850 excels only in specific, lightweight scenarios. Here’s where it makes sense:
  • Legacy office PCs needing reliable uptime without heavy multitasking
  • Basic web browsing and media playback on older FM2+ motherboards
  • Budget HTPCs where GPU duties are handled by integrated Radeon graphics
  • Stopgap upgrades for users waiting to move to AM4 or AM5 platforms
The absence of advanced cache optimizations typical for Athlon-branded chips means slower data access compared to Ryzen counterparts. With just L1, L2, and no shared L3 cache in meaningful size, latency hampers performance in data-heavy tasks. The second-gen Athlon on Godaveri wasn’t meant to compete it was meant to exist where nothing else fit. Still, in 2024, spotting an Athlon X4 850 in action feels like uncovering a forgotten prototype of AMD’s long climb back to relevance.

The Intel Equivalent of Athlon X4 850

Looking for a similar processor from Intel? The Intel Core i5-110 offers comparable performance and features in the Intel lineup.

Intel Core i5-110

Intel • 6 Cores

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