AMD Opteron 4228 HE

AMD Opteron 4228 HE is a six-core server processor from AMD’s Valencia generation, built on the 32 nm Bulldozer architecture. Launched in November 2011 for the AMD Socket C32 platform, this model carries a 65 W TDP class designation and was positioned for power-conscious server deployments. The benchmark data places this chip at the 50th percentile among all CPUs, indicating it sits exactly at the median of the performance distribution, neither a standout nor a laggard in the broader landscape.

Benchmark Performance

The Opteron 4228 HE operates with a base clock of 2.80 GHz and a boost clock of 3.60 GHz across its six physical cores and six threads. With no hyper-threading, the core count equals the thread count, which is a defining characteristic of the Bulldozer architecture’s module-based design. The 8 MB of shared L3 cache provides a meaningful pool for data shared across cores, while the 6 MB of L2 cache is distributed per-core.

The processor’s 50th percentile ranking means half of all tested CPUs perform better and half perform worse based on the aggregate benchmark scoring system. However, the average benchmark score of zero in the data suggests that no direct comparative scores against specific rivals are available in this dataset. This absence of nearestRivals data limits the ability to state exact percentage deltas against competing processors. What can be stated is that the 4228 HE’s performance profile is defined by its modest core count, moderate clock speeds, and the architectural characteristics of Bulldozer, which prioritized multi-threaded throughput over single-thread efficiency.

The 25.6 GB/s memory bandwidth, delivered through a dual-channel DDR3 interface, is a constraining factor for memory-intensive workloads. When interpreting the 50th percentile position, it is important to note that this ranking includes consumer, workstation, and server parts alike, so the Opteron’s standing reflects its age and server-oriented design rather than direct competition with contemporary desktop chips. The data indicates a processor that was competent for its era but has been surpassed by subsequent generations.

Who Should Consider It

Given its six cores, six threads, and 65 W TDP class, the Opteron 4228 HE is best suited for legacy server environments running software that does not require high per-core performance. Workloads such as basic web serving, file sharing, and light database operations that scale across multiple cores but do not demand intense floating-point or single-threaded speed would align with this processor’s capabilities. The ECC memory support makes it viable for systems where data integrity is paramount, such as small business servers or network-attached storage appliances.

For gaming or modern content creation, this processor is not recommended. The lack of integrated graphics means a discrete GPU is mandatory, and the six threads without SMT will struggle with contemporary multi-threaded games or video editing applications that expect eight or more threads. Office productivity tasks like word processing and spreadsheet work would run acceptably, but the platform’s age and DDR3 memory support make it a poor choice for new builds. The 32 nm process node and 1,200 million transistors on a 315 mm² die indicate a design from an earlier era of semiconductor manufacturing.

Server administrators maintaining existing C32 platforms might consider this chip as a drop-in replacement for a failed or underperforming unit, provided the system’s firmware supports it. The 65 W TDP class makes it an attractive option for dense rack deployments where thermal output is a concern, but only if the software stack is compatible with the Bulldozer architecture’s peculiarities.

How It Compares

Without nearestRivals data in the benchmark results, direct percentage comparisons against specific competing processors cannot be made from the facts provided. The 50th percentile ranking serves as the sole positional reference, placing this chip at the exact middle of the tested CPU population. This implies that roughly half of all processors in the database outperform it, while the other half underperform it, but no individual rival scores or deltaPct values are available for analysis.

The absence of rival data means the Opteron 4228 HE cannot be positioned against Intel Xeon counterparts or later AMD Opteron models with numeric precision. What the data does show is a processor that, in the aggregate, holds a median standing — a reflection of its six-core configuration and moderate clocks rather than any exceptional or deficient trait. The architecture’s known weaknesses in single-threaded tasks, which are inherent to Bulldozer’s design, likely pull the percentile down, while the respectable L3 cache and ECC support may push it up in server-specific workloads.

Platform and Compatibility

The Opteron 4228 HE uses the AMD Socket C32 interface, a platform designed for dual-socket servers though this particular chip supports single-socket operation natively. Memory support is limited to DDR3, running on a dual-channel bus with a peak bandwidth of 25.6 GB/s. ECC memory is supported, which is essential for error-correcting workloads. PCIe connectivity is Gen 2, which limits expansion card bandwidth compared to later generations but remains functional for standard server peripherals.

The 32 nm process node from GlobalFoundries produced a 315 mm² die containing 1,200 million transistors. The processor is end-of-life, meaning AMD no longer produces or sells it, and the launch MSRP was $255. The multiplier is locked, preventing overclocking, which aligns with its server market segment. The part number is OS4228OFU6KGU, and it belongs to the Opteron (Valencia) generation. The memory bus width and speed are fixed by the platform, so upgrading memory requires DDR3 modules specifically.

Upgrade paths from this platform are limited. Socket C32 was replaced by newer sockets, and the DDR3 memory standard has been superseded by DDR4 and DDR5. Any system using this processor is effectively at the end of its upgrade lifecycle, constrained by the socket, memory type, and PCIe Gen 2 interface. The 8 MB of shared L3 cache is the largest cache allocation and cannot be expanded.

FAQ

Q: Does the Opteron 4228 HE support ECC memory?

A: Yes, ECC memory support is enabled, making it suitable for error-sensitive server workloads.

Q: What is the clock speed range of this processor?

A: The base clock is 2.80 GHz, and the boost clock reaches 3.60 GHz under load conditions.

Q: How many cores and threads does it have?

A: It has six cores and six threads, with no simultaneous multi-threading, so each core handles one thread.

Q: What memory type does it require?

A: It uses DDR3 memory in a dual-channel configuration, providing 25.6 GB/s of bandwidth.

Q: Is this processor overclockable?

A: No, the multiplier is locked, preventing overclocking.

Q: What is the production status of this chip?

A: It is end-of-life, with a release date of November 13, 2011, and a launch MSRP of $255.

Single-Thread vs Multi-Thread Behavior

The Opteron 4228 HE presents a clear split between single-thread and multi-thread performance characteristics. With six cores and six threads running at a 2.80 GHz base and 3.60 GHz boost, the processor can handle six concurrent threads without resource contention from SMT. The Bulldozer architecture, however, is known for its relatively weak single-thread performance compared to contemporary designs, which means tasks that rely on one or two active threads will not see the benefit of the boost clock as effectively as they would on a processor with stronger per-core execution.

Multi-threaded workloads that can utilize all six cores will see the processor operate at its full potential, with the shared 8 MB L3 cache helping to reduce memory latency across cores. The 6 MB of L2 cache, distributed across cores, provides fast access for per-core data. The 32 nm process and 65 W TDP indicate a design that prioritized power efficiency over raw speed, which is reflected in the moderate clock speeds and thread count.

The 50th percentile ranking suggests that in mixed workloads, the processor holds its own against the median CPU, but its strengths lie in parallel tasks that scale with core count. For single-threaded legacy applications, the data implies that the processor will lag behind more modern chips that have higher IPC and faster clocks. The absence of SMT means that eight-thread workloads will not fit cleanly, potentially causing scheduling inefficiencies in software that assumes more threads than physical cores.

Power and Thermals

The 65 W TDP class places the Opteron 4228 HE in a power-efficient tier for server processors of its generation. This rating indicates that a standard server heatsink with a modest fan should suffice for cooling, as the thermal output is relatively low for a six-core chip. The 32 nm process node from GlobalFoundries contributes to this efficiency, though the 1,200 million transistors on a 315 mm² die suggest a design that balances density with power consumption.

The 65 W class is notably lower than many contemporary server chips, which often exceed 100 W, making this processor suitable for environments where cooling capacity is limited or where power density must be minimized. The boost clock of 3.60 GHz will increase power draw transiently, but the overall thermal envelope remains modest. For a server chassis with adequate airflow, a passive heatsink might be sufficient, though active cooling is recommended for sustained operation at boost clocks.

The end-of-life status means that replacement cooling solutions are limited to the aftermarket, but the low TDP ensures compatibility with a wide range of Socket C32 coolers. The data shows no thermal throttling figures, so the actual sustained performance under load cannot be quantified, but the 65 W class implies that thermal management is straightforward compared to higher-TDP parts.