AMD Phenom II 42 TWKR Black Edition
AMD processor specifications and benchmark scores
Unlocked
Integrated GPU
ECC MemoryAt a Glance
AMDAMD Phenom II 42 TWKR Black Edition Specifications
Phenom II 42 TWKR Black Edition Core Configuration
Processing cores and threading
The AMD Phenom II 42 TWKR Black Edition 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.
Phenom II 42 TWKR Black Edition Clock Speeds
Base and boost frequencies
Clock speed is a critical factor in Phenom II 42 TWKR Black Edition 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 Phenom II 42 TWKR Black Edition by AMD can dynamically adjust its frequency based on workload and thermal headroom.
AMD's Phenom II 42 TWKR Black Edition Cache Hierarchy
L1, L2, L3 cache sizes
Cache memory is ultra-fast storage built directly into the Phenom II 42 TWKR Black Edition 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 Phenom II 42 TWKR Black Edition's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.
K10 Architecture & Process
Manufacturing and design details
The AMD Phenom II 42 TWKR Black Edition is built on AMD's 45 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 Phenom II 42 TWKR Black Edition incorporate advanced branch prediction and out-of-order execution for optimal performance.
K10 Instruction Set Features
Supported CPU instructions and extensions
The Phenom II 42 TWKR Black Edition 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.
Phenom II 42 TWKR Black Edition Power & Thermal
TDP and power specifications
The AMD Phenom II 42 TWKR Black Edition has a TDP (Thermal Design Power) of 125W, 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.
AMD Socket AM3 Platform & Socket
Compatibility information
The Phenom II 42 TWKR Black Edition uses the AMD Socket AM3 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.
AMD Socket AM3 Memory Support
RAM compatibility and speeds
Memory support specifications for the Phenom II 42 TWKR Black Edition 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 Phenom II 42 TWKR Black Edition 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.
AMD's Phenom II 42 TWKR Black Edition Integrated Graphics
Built-in GPU specifications
The AMD Phenom II 42 TWKR Black Edition 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 Phenom II 42 TWKR Black Edition 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.
Phenom II 42 TWKR Black Edition Product Information
Release and pricing details
The AMD Phenom II 42 TWKR Black Edition 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 Phenom II 42 TWKR Black Edition by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.
Phenom II 42 TWKR Black Edition Benchmark Scores
No benchmark data available for this CPU.
About AMD Phenom II 42 TWKR Black Edition
The AMD Phenom II 42 TWKR Black Edition is a quad-core desktop processor built on the K10 Deneb architecture. Launched on May 31, 2009, it runs at a fixed 2.0 GHz base clock with no boost, carries a 125 W TDP, and uses the AM3 socket. Its defining traits are an unlocked multiplier, 6 MB of shared L3 cache, and support for both DDR2 and DDR3 memory. The database records no benchmark scores for this SKU, placing it at the 50th percentile among all CPUs.
Single-Thread vs Multi-Thread Behavior
This processor presents a clear split between single-thread and multi-thread performance. With 4 physical cores and 4 threads—no simultaneous multithreading—it is a pure quad-core design. The base clock of 2.0 GHz applies uniformly; there is no boost clock to elevate any single core under light load. Consequently, single-threaded workloads are strictly limited by that clock speed and the K10 architecture's per-core efficiency. The 128 KB L1 and 512 KB L2 per core provide local data, but the shared 6 MB L3 cache helps reduce latency when cores need to exchange data. For multi-threaded tasks, all four cores can operate concurrently, but the low clock means each core delivers a modest throughput. In ideal scaling, a 4-thread workload could see up to 4× the performance of a single-threaded run, but the absolute ceiling is constrained by the 2.0 GHz frequency. The absence of boost also means that even lightly threaded applications cannot exceed that clock, making this CPU better suited to parallel workloads than to latency-sensitive single-thread tasks.
Benchmark Performance
The database lists no benchmark scores for this part—the `benchmarks` array is empty, and the average benchmark score is 0. The only positional metric is the 50th percentile among all CPUs, which indicates a median standing. Without recorded scores, we cannot report specific performance deltas or compare it to any rival. However, the specification sheet offers a basis for inference. A 4-core, 4-thread processor at 2.0 GHz with a 6 MB L3 cache and dual-channel memory at 21.3 GB/s would place it in the mid-range of its 2009 era. The 45 nm process and 758 million transistors on a 258 mm² die are typical of that generation. The lack of boost and the fixed clock mean that performance is predictable but not exceptional. The 50th percentile ranking suggests that, within the database's population, this CPU sits exactly in the middle—neither a high-end part nor a low-end one. Without benchmark data, any further quantitative analysis is impossible; the score of 0 is a placeholder for missing information.
Power and Thermals
The TDP is rated at 125 W, a substantial figure for a quad-core running at only 2.0 GHz. This high TDP class implies that the processor consumes significant power even at stock settings. The 45 nm process, while advanced for its time, still generates considerable heat when combined with 758 million transistors on a 258 mm² die. The unlocked multiplier invites overclocking, which would push power consumption beyond the 125 W rating. Consequently, any system using this CPU must employ a cooling solution capable of dissipating at least 125 W of heat. A standard air cooler with a 120 mm fan would likely suffice at stock, but overclocking would demand a larger tower cooler or a liquid cooling loop. The end-of-life status means that AMD no longer provides thermal guidance, but the TDP figure is the definitive reference. The absence of a boost clock means that thermal load is constant under full load, which simplifies cooling design but also means that idle power draw is not reduced via dynamic clocking.
FAQ
Q: Does the Phenom II 42 TWKR support ECC memory?
A: Yes, the FACT PACK lists ECC memory support as true.
Q: What memory types are supported?
A: It supports DDR2 and DDR3 memory in a dual-channel configuration, with a memory bandwidth of 21.3 GB/s.
Q: Does it have integrated graphics?
A: No, it has no on-die integrated graphics. Graphics are available only on certain motherboards as a chipset feature.
Q: Is the multiplier unlocked?
A: Yes, the multiplier is unlocked, allowing overclocking.
Q: What socket does it use?
A: It uses the AMD Socket AM3.
Q: When was it released?
A: The release date is May 31, 2009.
Who Should Consider It
This processor is best suited for workloads that can exploit its four physical cores. Multi-threaded applications such as video encoding, 3D rendering, or scientific simulations will see the full benefit of the 4-core design, though the 2.0 GHz clock limits peak throughput. For office productivity—word processing, spreadsheets, web browsing—the four cores are adequate, but the low clock may make single-threaded tasks feel less responsive. Gaming is a mixed case: many games of the era could use two or four cores, but the 2.0 GHz clock would be a bottleneck for frame rates that depend on single-thread performance. The lack of boost means that even lightly threaded games cannot exceed 2.0 GHz. Given its end-of-life status, this CPU is not a sensible choice for a new build. It is more appropriate for a legacy AM3 platform where a multi-threaded workload is the primary use case, and where the user is willing to overclock to mitigate the low stock clock. The 125 W TDP and unlocked multiplier make it a candidate for enthusiasts who prioritize overclocking headroom over energy efficiency.
Platform and Compatibility
The processor uses the AMD Socket AM3, which is compatible with motherboards that have an AM3 socket. The memory controller supports both DDR2 and DDR3, but not simultaneously—the motherboard determines which type is used. The dual-channel bus provides up to 21.3 GB/s of bandwidth, which is modest by modern standards but adequate for its generation. PCIe Gen 2 is supported for expansion cards, including graphics and storage controllers. ECC memory support is a notable feature, typically found in server or workstation platforms, and it is present here. The unlocked multiplier allows for overclocking via the motherboard's BIOS, provided the board has the necessary power delivery and BIOS options. Since the processor is end-of-life, the upgrade path is limited to other AM3 processors that the motherboard's BIOS supports. The socket itself is not forward-compatible with newer platforms, so any upgrade would require a full platform change.
How It Compares
The database does not provide nearest-rival data for this SKU; the `nearestRivals` array is empty. Consequently, comparisons must be drawn from its own specifications and the single percentile metric. With a 50th percentile standing, it sits exactly in the middle of the CPU population in the database. Its 4-core, 4-thread layout with a 2.0 GHz clock is typical of early quad-core parts. The 6 MB L3 cache is generous for its time, and the 125 W TDP indicates a high-power design. Without rival scores, we cannot state a percentage advantage or disadvantage. The absence of boost means that its performance is constant, which can be predictable but also limits peak throughput. In summary, it is a mid-pack processor that offers a balanced set of features for its era, but with no direct comparisons to quantify its standing against specific competitors. The 50th percentile is the only positional reference, and it suggests a neutral performance level.
The Intel Equivalent of Phenom II 42 TWKR Black Edition
Looking for a similar processor from Intel? The Intel Core i5-750 offers comparable performance and features in the Intel lineup.
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