AMD

AMD Phenom II X2 B57

AMD processor specifications and benchmark scores

2
Cores
2
Threads
β€”
GHz Boost
80W
TDP
πŸ–₯️Integrated GPU πŸ›‘οΈECC Memory

AMD Phenom II X2 B57 Specifications

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Phenom II X2 B57 Core Configuration

Processing cores and threading

The AMD Phenom II X2 B57 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
⏱️

Phenom II X2 B57 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Phenom II X2 B57 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 X2 B57 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.2 GHz
Boost Clock
N/A
Multiplier
16x
πŸ’Ύ

AMD's Phenom II X2 B57 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Phenom II X2 B57 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 X2 B57's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
128 KB (per core)
L2 Cache
512 KB (per core)
L3 Cache
6 MB (shared)
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K10 Architecture & Process

Manufacturing and design details

The AMD Phenom II X2 B57 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 X2 B57 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
K10
Codename
Callisto
Process Node
45 nm
Transistors
758 million
Die Size
258 mmΒ²
Generation
Phenom II X2 (Callisto)
πŸ”’

K10 Instruction Set Features

Supported CPU instructions and extensions

The Phenom II X2 B57 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
SSE4A
AMD64
AMD-V
πŸ”Œ

Phenom II X2 B57 Power & Thermal

TDP and power specifications

The AMD Phenom II X2 B57 has a TDP (Thermal Design Power) of 80W, 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
80W
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AMD Socket AM3 Platform & Socket

Compatibility information

The Phenom II X2 B57 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.

Socket
AMD Socket AM3
Chipsets
AMD 700 Series, AMD 800 Series, AMD 900 Series, nForce 630a, nForce 700a, nForce 900a
PCIe
Gen 2
Package
Β΅PGA
DDR5

AMD Socket AM3 Memory Support

RAM compatibility and speeds

Memory support specifications for the Phenom II X2 B57 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 X2 B57 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
DDR2, DDR3
Memory Bus
Dual-channel
Memory Bandwidth
21.3 GB/s
ECC Memory
Supported
πŸ–₯️

AMD's Phenom II X2 B57 Integrated Graphics

Built-in GPU specifications

The AMD Phenom II X2 B57 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 X2 B57 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
On certain motherboards (Chipset feature)
Graphics Model
On certain motherboards (Chipset feature)
πŸ“¦

Phenom II X2 B57 Product Information

Release and pricing details

The AMD Phenom II X2 B57 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 X2 B57 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
May 2010
Market
Desktop
Status
End-of-life
Part Number
HDXB57WFK2DGM

Phenom II X2 B57 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 X2 B57 performs in parallel rendering workloads.

cinebench_cinebench_r15_multicore #1725 of 1788
107
1%
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 Phenom II X2 B57. 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_multicore #1724 of 1788
449
1%
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 Phenom II X2 B57. 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_r20_singlecore #1728 of 1784
63
1%
Max: 8,811

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 X2 B57 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_multicore #1724 of 1788
1,071
1%
Max: 148,601
Compare with other CPUs

πŸ† Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how AMD Phenom II X2 B57 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.

cinebench_cinebench_r23_singlecore #1723 of 1788
151
1%
Max: 20,979
Compare with other CPUs

About AMD Phenom II X2 B57

The AMD Phenom II X2 B57, launched on May 11, 2010, is a dual-core processor built on AMD’s 45nm process, offering two cores and two threads without simultaneous multithreading. Despite its modest core count, its 6 MB of shared L3 cache provides a notable advantage for data-intensive tasks, enhancing single-threaded performance and reducing latency. The base clock speed of 3.20 GHz remains fixed, as the chip lacks a turbo boost mechanism, making it predictable but less competitive against modern dynamically scaled CPUs. Its 80W TDP reflects a power-hungry design for a dual-core, positioning it as a high-performance option for its era but less efficient compared to later architectures. The Phenom II X2 B57’s Socket AM3 compatibility allows it to leverage advanced memory controllers and chipset features of its time, though it lags in modern benchmarks like Cinebench R23 (1,071 multi-core, 151 single-core).

  • Best suited for legacy systems requiring AM3 compatibility and budget builds where 45nm power efficiency is acceptable.
  • Performs adequately in single-threaded applications but struggles with multi-threaded workloads due to limited core count.
  • Its 6 MB L3 cache helps maintain responsiveness in tasks like light video editing or virtualization on older platforms.

The Phenom II X2 B57’s architecture, part of AMD’s Callisto generation, emphasizes raw clock speed over core density, making it a relic of the early 2010s performance landscape. Benchmark results, such as 107 points in Cinebench R15 multi-core and 63 in R20 single-core, underscore its obsolescence against modern standards but highlight its strength in single-threaded scenarios. Its 45nm process, while mature by today’s standards, was state-of-the-art at release, enabling robust clock speeds. The B57’s TDP of 80W and dual-core design make it a niche choice for retro computing or systems where AM3 motherboards are already in use. While far outpaced by contemporary CPUs, the Phenom II X2 B57 remains a testament to AMD’s focus on high-clocking performance in the era of dual-core dominance.

The Intel Equivalent of Phenom II X2 B57

Looking for a similar processor from Intel? The Intel Core i5-655K offers comparable performance and features in the Intel lineup.

Intel Core i5-655K

Intel β€’ 2 Cores

View Specs Compare

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