AMD Phenom II X4 905e
AMD processor specifications and benchmark scores
AMD Phenom II X4 905e Specifications
Phenom II X4 905e Core Configuration
Processing cores and threading
The AMD Phenom II X4 905e 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 X4 905e Clock Speeds
Base and boost frequencies
Clock speed is a critical factor in Phenom II X4 905e 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 X4 905e by AMD can dynamically adjust its frequency based on workload and thermal headroom.
AMD's Phenom II X4 905e Cache Hierarchy
L1, L2, L3 cache sizes
Cache memory is ultra-fast storage built directly into the Phenom II X4 905e 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 X4 905e'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 X4 905e 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 X4 905e incorporate advanced branch prediction and out-of-order execution for optimal performance.
K10 Instruction Set Features
Supported CPU instructions and extensions
The Phenom II X4 905e 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 X4 905e Power & Thermal
TDP and power specifications
The AMD Phenom II X4 905e 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.
AMD Socket AM3 Platform & Socket
Compatibility information
The Phenom II X4 905e 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 X4 905e 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 X4 905e 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 X4 905e Integrated Graphics
Built-in GPU specifications
The AMD Phenom II X4 905e 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 X4 905e 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 X4 905e Product Information
Release and pricing details
The AMD Phenom II X4 905e 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 X4 905e by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.
Phenom II X4 905e 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 Phenom II X4 905e performs in parallel rendering workloads.
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 Phenom II X4 905e. The more demanding workload provides better differentiation between current-generation processors. Content creators and 3D artists use this benchmark to estimate real-world render performance.
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 Phenom II X4 905e. The increased complexity provides more accurate performance differentiation between modern CPUs. Single-thread performance remains critical for gaming and applications with serial bottlenecks.
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 Phenom II X4 905e after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss. Professional users rely on R23 scores to predict real-world rendering performance under sustained workloads.
cinebench_cinebench_r23_singlecoreSource
Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how AMD Phenom II X4 905e maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance. This score is particularly important for understanding real-world responsiveness beyond initial boost behavior.
About AMD Phenom II X4 905e
The AMD Phenom II X4 905e delivers a modest but reliable performance envelope for everyday computing tasks. At 2.50 GHz and a 65 W TDP, it balances power draw and heat output, making it a good fit for compact desktops and budget builds. Its four physical cores handle web browsing, media playback, and office suites without noticeable stalls, thanks to the shared 6 MB L3 cache. The 45 nm Deneb core architecture still benefits from AMD's Turbo Core technology, which can briefly boost clock speeds when only a few cores are active. While it lacks hyper‑threading, the single‑thread performance is sufficient for most consumer applications, and the integrated memory controller keeps latency low.
For light workstation workloads, the 905e model from AMD's Phenom II line holds its own against many entry‑level Intel counterparts. In Cinebench R23 multi‑core tests it scores 1,711 points, indicating that the four cores can sustain reasonable throughput in multi‑threaded rendering or encoding jobs. The single‑core score of 241 points shows that while it won't outpace modern high‑clock CPUs, it remains adequate for CAD previews or modest 3‑D modeling tasks. The processor's 6 MB L3 cache helps reduce memory bottlenecks during repetitive calculations, and the AM3 socket allows the use of DDR2 or DDR3 modules for flexible memory configurations. However, the lack of more than four threads means that heavily parallelized workloads, such as large video transcoding farms, will quickly saturate the chip.
From a value perspective, AMD's Deneb‑based 4‑core 905e offers a compelling price‑to‑performance ratio for users who need a stable platform without breaking the bank. Its 65 W thermal envelope keeps cooling requirements modest, allowing the use of inexpensive air coolers and reducing overall system noise. The processor is compatible with any motherboard that supports the AMD Socket AM3, and many of those boards also provide legacy PCI slots for older peripherals. Because the chip was launched in 2009, BIOS updates are mature, and the platform can still run current operating systems with appropriate driver support. When paired with a modest SSD and 8 GB of DDR2/DDR3 RAM, this 2.5 GHz quad‑core processor can comfortably handle office productivity, media streaming, and light gaming at 720p resolutions. In short, the AMD Phenom II X4 905e remains a practical choice for budget‑conscious builders who value a proven, low‑power quad‑core solution.
The Intel Equivalent of Phenom II X4 905e
Looking for a similar processor from Intel? The Intel Core i5-750 offers comparable performance and features in the Intel lineup.
Popular AMD Phenom II X4 905e Comparisons
See how the Phenom II X4 905e stacks up against similar processors from the same generation and competing brands.
Compare Phenom II X4 905e with Other CPUs
Select another CPU to compare specifications and benchmarks side-by-side.
Browse CPUs