Phenom II X3 B73

Details and Benchmarks for AMD Phenom II X3 B73

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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 X3 B73 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,211 Rank: 1663
Rank Name Score Visual
1659 A4-3420 4,212
+0%
1660 Phenom II X3 720 4,211
+0%
1661 A10-4600M 4,211
+0%
1662 Core 2 Duo T5800 4,211
+0%
1663 Phenom II X3 B73 4,211
1664 Phenom II X2 B55 4,211
+0%
1665 Xeon E5345 4,210
+-0%
1666 Xeon D-1518 4,209
+-0%
1667 Xeon E5606 4,208
-0.1%
1668 Pentium 2127U 4,207
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Phenom II X3 B73 based on multi-threaded benchmark results.

4,400 Rank: 1455
Rank Name Score Visual
1451 Core i3-2120T 4,401
+0%
1452 Core i5-670 4,401
+0%
1453 Intel Core i5-460M 4,400
+0%
1454 Celeron N2840 4,400
+0%
1455 Phenom II X3 B73 4,400
1456 A8-3870 4,399
+-0%
1457 Phenom 9600 4,399
+-0%
1458 Core i3-3240T 4,399
+-0%
1459 Core i7-2617M 4,398
+-0%
1460 Core i5-2557M 4,398
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Phenom II X3 B73 based on single-threaded benchmark results.

4,085 Rank: 1690
Rank Name Score Visual
1686 Core i5-430M 4,090
+0.1%
1687 Core 2 Duo E8400 4,089
+0.1%
1688 Phenom II P960 4,086
+0%
1689 Phenom II P940 4,086
+0%
1690 Phenom II X3 B73 4,085
1691 A8-7200P 4,084
+-0%
1692 Athlon X4 730 4,084
+-0%
1693 Core i3-370M 4,083
+-0%
1694 Pentium B940 4,081
-0.1%
1695 Pentium E5200 4,081
-0.1%

View full ranking →

Workload Scores

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

Number Crunching

Aggregated score for Phenom II X3 B73 based on integer math, floating point math, and prime number computation benchmarks.

4,512 Rank: 1448
Rank Name Score Visual
1444 Pentium G860 4,512
+0%
1445 Athlon II X3 460 4,512
+0%
1446 A6-6400K 4,512
+0%
1447 A4-7210 4,512
+0%
1448 Phenom II X3 B73 4,512
1449 Phenom II X3 705e 4,512
+0%
1450 Athlon II X3 455 4,511
+-0%
1451 A6-7400K 4,511
+-0%
1452 Pentium 2020M 4,511
+-0%
1453 A4-6320 4,511
+-0%

View full ranking →

Data Processing

Aggregated score for Phenom II X3 B73 based on data encryption, data compression, and string sorting benchmarks.

4,490 Rank: 1398
Rank Name Score Visual
1394 Core i5-4200U 4,490
+0%
1395 A10-5757M 4,490
+0%
1396 Pentium J2900 4,490
+0%
1397 Core i3-540 4,490
+0%
1398 Phenom II X3 B73 4,490
1399 Pentium G2130 4,489
+-0%
1400 Pentium G2120 4,489
+-0%
1401 Core i3-4000M 4,489
+-0%
1402 Core i3-3110M 4,489
+-0%
1403 A10-7400P 4,489
+-0%

View full ranking →

Physics & Compute

Aggregated score for Phenom II X3 B73 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,489 Rank: 1479
Rank Name Score Visual
1475 Atom C3508 4,489
+0%
1476 Athlon II X3 460 4,489
+0%
1477 A6-9500 4,489
+0%
1478 Celeron G1610T 4,489
+0%
1479 Phenom II X3 B73 4,489
1480 Phenom II X3 700e 4,489
+0%
1481 Celeron 3955U 4,488
+-0%
1482 Athlon II X3 450 4,488
+-0%
1483 Xeon W3505 4,488
+-0%
1484 A8-7100 4,488
+-0%

View full ranking →

Phenom II X3 B73 Details

The AMD Phenom II X3 B73 stands as a relic of the late 2000s, launched in October 2009, and remains a notable example of AMD's desktop processor strategy during the transition from dual-core dominance to multi-core computing. While it is now nearly 15 years old, its design reflects the architectural priorities of its era: a 45 nm process node fabricated by GlobalFoundries, a 95 W TDP, and a focus on multi-threaded performance through a triple-core design with a shared 5.722 MiB L3 cache. Though long outpaced by modern processors, the B73 was built for mainstream desktops with Socket AM3 compatibility and support for DDR3 memory at up to 1333 MT/s, offering a balance of performance and cost for its time.

At a base clock of 2.8 GHz and a locked multiplier, the processor delivers a single-core score of 4085, ranking it #1690 among 2060 CPUs in Passmark's database. This places it behind several contemporary Intel and AMD offerings, including the Core 2 Duo E8400 and Core i5-430M, but ahead of later-generation low-power processors like the Pentium 2127U. Its multicore score of 4400, ranking #1453, reflects its triple-core advantage over older dual-core designs, though it is narrowly outpaced by modern quad- and hexa-core CPUs. The overall score of 4211 positions it as a mid-tier performer in its class, slightly behind the A4-3420 and Core i5-4202Y but above the Xeon E5345 and Pentium 2030M.

Despite its age, the Phenom II X3 B73 retains some technical relevance, particularly in systems requiring ECC memory support—a feature rare in consumer-grade CPUs. It also supports AMD-V virtualization, which enhances virtual machine performance, and includes a range of instruction sets from MMX through SSE4a and 3DNow!, making it compatible with legacy software and applications of its era. The processor’s integrated graphics capability, though dependent on the motherboard chipset, allowed for basic visual tasks without a discrete GPU—a useful trait in budget or office environments.

In today’s landscape, the Phenom II X3 B73 has no role in high-performance computing, gaming, or content creation. Its 95 W TDP and lack of modern features like AVX-512 or PCIe 4.0 make it impractical for modern workloads. However, as of March 2026, it remains a viable option for retro computing, embedded systems, or low-cost upgrades in legacy systems where power consumption and performance needs are minimal. It serves as a testament to AMD’s early efforts in multi-core desktop CPUs, bridging the gap between single-core efficiency and the multi-threaded future.
Frequently Compared

AMD Ryzen Threadripper 1950X 10 views

Intel Pentium G4600 6 views

AMD Ryzen 5 3600 3 views

AMD Ryzen 5 3500X 3 views

AMD Ryzen 7 PRO 2700 3 views

AMD Phenom 9650 2 views

Intel Celeron G530 2 views

AMD Phenom II X2 555 2 views

AMD A6-5400K 2 views

Intel Core 2 Duo E8600 2 views

AMD Phenom II X3 B73

Main Specifications

Designer: AMD
Name: Phenom II X3 B73
Cores: 3
Threads: 3
Base Frequency: 2800 MHz
Clock Multiplier: 14x (locked)
Core Name: Heka
Socket: Socket AM3
Package: µPGA
Target Segment: Desktop
TDP: 95 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
Manufacturer: GlobalFoundries

CPU Features

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