Phenom II X2 B57

Details and Benchmarks for AMD Phenom II X2 B57

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Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Phenom II X2 B57 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,312 Rank: 1512
Rank Name Score Visual
1508 A10-9620P 4,312
+0%
1509 A4-6300 4,312
+0%
1510 Core 2 Duo E8500 4,312
+0%
1511 A8-3870K 4,312
+0%
1512 Phenom II X2 B57 4,312
1513 Athlon II X2 260 4,311
+-0%
1514 Pentium E5700 4,311
+-0%
1515 Core 2 Duo T9900 4,310
+-0%
1516 Pentium G620 4,309
-0.1%
1517 Core 2 Duo E7600 4,309
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Phenom II X2 B57 based on multi-threaded benchmark results.

4,357 Rank: 1564
Rank Name Score Visual
1560 A8-5550M 4,358
+0%
1561 Core i5-4250U 4,357
+0%
1562 Athlon X2 240 4,357
+0%
1563 Celeron G1620T 4,357
+0%
1564 Phenom II X2 B57 4,357
1565 Pentium G2130 4,356
+-0%
1566 Phenom II N850 4,356
+-0%
1567 Core i3-4010U 4,355
+-0%
1568 Intel Pentium N3710 4,353
-0.1%
1569 Intel Core i5-480M 4,353
-0.1%

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Singlecore Score

Single-core performance score for Phenom II X2 B57 based on single-threaded benchmark results.

4,282 Rank: 1504
Rank Name Score Visual
1500 A4-5300 4,286
+0.1%
1501 Phenom II X2 550 4,284
+0%
1502 Pentium E5800 4,283
+0%
1503 Xeon E5520 4,282
+0%
1504 Phenom II X2 B57 4,282
1505 Phenom II N950 4,281
+-0%
1506 FX-6100 4,280
+-0%
1507 Pentium E6500 4,279
-0.1%
1508 Core 2 Quad Q9400 4,279
-0.1%
1509 Core i7-860S 4,278
-0.1%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Phenom II X2 B57 based on integer math, floating point math, and prime number computation benchmarks.

4,497 Rank: 1557
Rank Name Score Visual
1553 Pentium 4410Y 4,497
+0%
1554 A8-3500M 4,497
+0%
1555 Pentium J2900 4,497
+0%
1556 Core i3-350M 4,497
+0%
1557 Phenom II X2 B57 4,497
1558 Celeron 4205U 4,497
+0%
1559 Celeron 3855U 4,496
+-0%
1560 Celeron G530 4,496
+-0%
1561 Pentium E6700 4,496
+-0%
1562 Pentium E6600 4,496
+-0%

View full ranking →

Data Processing

Aggregated score for Phenom II X2 B57 based on data encryption, data compression, and string sorting benchmarks.

4,472 Rank: 1520
Rank Name Score Visual
1516 A4-6320 4,472
+0%
1517 Pentium E6800 4,472
+0%
1518 A8-7100 4,472
+0%
1519 A6-3400M 4,472
+0%
1520 Phenom II X2 B57 4,472
1521 A4-7300 4,472
+0%
1522 Pentium G630 4,471
+-0%
1523 Core M-5Y70 4,471
+-0%
1524 Athlon II X2 255 4,471
+-0%
1525 Core i3-3227U 4,471
+-0%

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Physics & Compute

Aggregated score for Phenom II X2 B57 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,479 Rank: 1547
Rank Name Score Visual
1543 A4-6320 4,479
+0%
1544 A8-7410 4,479
+0%
1545 Celeron 1000M 4,479
+0%
1546 A8-4555M 4,479
+0%
1547 Phenom II X2 B57 4,479
1548 Athlon II X3 400e 4,479
+0%
1549 A4-7300 4,479
+0%
1550 A8-6410 4,479
+0%
1551 Core i3-2357M 4,478
+-0%
1552 Pentium G6950 4,478
+-0%

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Phenom II X2 B57 Details

The AMD Phenom II X2 B57, launched in May 2010, represents a mid-tier dual-core processor from AMD's second-generation Phenom lineup, built on the Callisto microarchitecture. While it is now over 13 years old, the B57 was designed for mainstream desktop systems using the Socket AM3 platform and offered a balance of performance and value for users at the time. Its 45 nm manufacturing process and 758 million transistors were typical of the era, and its 80 W TDP reflects the power demands of early 2010s desktop CPUs, necessitating adequate cooling solutions. Despite its age, the processor retains some relevance in legacy systems and enthusiast overclocking communities due to its locked multiplier and support for ECC memory, which is rare in consumer-grade CPUs.

The Phenom II X2 B57 operates at a base frequency of 3.2 GHz with a 16x multiplier and features 2 cores and 2 threads, lacking simultaneous multithreading. It includes a substantial 6 MB L3 cache, which was a key differentiator for AMD at the time, helping to reduce memory latency and improve performance in cache-sensitive workloads. The L1 and L2 caches are 0.122 MiB and 0.488 MiB respectively, and the processor supports dual-channel DDR3 memory up to 1333 MT/s, with bandwidth reaching 21.3 GB/s. Connectivity is provided via PCIe 2.0, and it supports various AMD chipsets including the 700, 800, and 900 Series, with integrated graphics available on certain motherboards via chipset support.

In benchmark testing, the Phenom II X2 B57 achieves an Overall Score of 4312, placing it at #1508 among 2060 processors, with a Singlecore Score of 4282 (#1503) and a Multicore Score of 4357 (#1561). These results indicate that while the CPU performs adequately in single-threaded tasks, its multicore performance is notably weaker relative to its single-core capabilities, a common trait in older dual-core designs. The processor outperforms several modern low-power and mobile chips, such as the Core i3-4010U and FX-7600P, but falls behind contemporary desktop and mobile CPUs in all categories. Its position in the lower half of the overall rankings reflects the significant advancements in CPU architecture, clock speeds, and core counts over the past decade.

Key features include support for virtualization via AMD-V, which enhances virtual machine performance, as well as full instruction set support for MMX, SSE, SSE2, SSE3, SSE4a, ABM, and 3DNow! Extensions. ECC memory support adds value for users needing data integrity in server-like or workstation environments. However, the lack of integrated graphics in the processor itself—relying instead on chipset-based solutions—limits its appeal for systems without discrete GPUs.

As of March 2026, the Phenom II X2 B57 serves primarily as a nostalgic or budget-friendly option for retro computing, embedded systems, or legacy hardware upgrades. It is no longer competitive with modern processors, but its design and specifications offer insight into the evolution of desktop CPUs, particularly AMD's strategy in the pre-Ryzen era. For users seeking high performance, modern AMD Ryzen or Intel Core processors are vastly superior, but the B57 remains a testament to AMD's efforts in the early 2010s to deliver multi-core performance at a consumer-friendly price.
Frequently Compared

AMD A6-3620 43 views

AMD Ryzen 7 PRO 2700X 40 views

Intel Core i3-4370 39 views

AMD Ryzen 5 3600 37 views

AMD Ryzen 5 3500X 36 views

Intel Celeron G530 36 views

Intel Core 2 Duo E8600 35 views

AMD Ryzen 7 PRO 2700 34 views

AMD Ryzen Threadripper 2970WX 34 views

AMD Ryzen 7 2700X 32 views

AMD Phenom II X2 B57

Main Specifications

Designer: AMD
Name: Phenom II X2 B57
Cores: 2
Threads: 2
Base Frequency: 3200 MHz
Clock Multiplier: 16x (locked)
Core Name: Callisto
Socket: Socket AM3
Package: µPGA
Target Segment: Desktop
TDP: 80 W

Cache Specifications

L1 Cache: 124.928 KiB
L2 Cache: 0.488 MiB
L3 Cache: 5.722 MiB

Memory Specifications

Supported Memory Type: DDR3

Physical Specifications

Process: 45 nm
Die Area: 258 mm²
Transistor Count: 0.00 billion

CPU Features

MMX SSE SSE2 SSE3 ABM SSE4a AMD-V 3DNow!
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