Phenom II X4 B40 Benchmarks & Performance Report

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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 X4 B40 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,408 Rank: 1389

Rank	Name	Score	Visual
1385	Core i7-3689Y	4,411	+0.1%
1386	Core i7-2670QM	4,410	+0%
1387	Core i5-661	4,409	+0%
1388	Pentium Silver N6000	4,409	+0%
1389	Phenom II X4 B40	4,408
1390	Core i5-2540M	4,406	+-0%
1391	Core M 5Y70	4,405	-0.1%
1392	Core i3-5015U	4,405	-0.1%
1393	Core i5-760	4,405	-0.1%
1394	Phenom II X4 B60	4,404	-0.1%

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Multicore Score

Multicore performance score for Phenom II X4 B40 based on multi-threaded benchmark results.

4,475 Rank: 1277

Rank	Name	Score	Visual
1273	Pentium J6426	4,477	+0%
1274	Xeon D-1602	4,476	+0%
1275	Pentium 4405U	4,476	+0%
1276	A10-6800K	4,475	+0%
1277	Phenom II X4 B40	4,475
1278	Core M 5Y10c	4,474	+-0%
1279	Core i7-5600U	4,473	+-0%
1280	Phenom II X6 1055T	4,473	+-0%
1281	A8-7600	4,471	-0.1%
1282	Athlon Silver 7120U	4,471	-0.1%

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Singlecore Score

Single-core performance score for Phenom II X4 B40 based on single-threaded benchmark results.

4,364 Rank: 1425

Rank	Name	Score	Visual
1421	Phenom 9650	4,369	+0.1%
1422	Xeon E5450	4,367	+0.1%
1423	A9-9400	4,366	+0%
1424	Core i7-640M	4,365	+0%
1425	Phenom II X4 B40	4,364
1426	Xeon L5640	4,362	+-0%
1427	Core i5-2557M	4,361	-0.1%
1428	Athlon II X4 555	4,361	-0.1%
1429	PRO A10-8750B	4,361	-0.1%
1430	Phenom II X4 B55	4,360	-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 X4 B40 based on integer math, floating point math, and prime number computation benchmarks.

4,525 Rank: 1341

Rank	Name	Score	Visual
1337	Phenom II X4 905e	4,526	+0%
1338	A8-4500M	4,526	+0%
1339	Core i5-2540M	4,525	+0%
1340	Celeron G3930T	4,525	+0%
1341	Phenom II X4 B40	4,525
1342	Celeron G1840	4,525	+0%
1343	Pentium G2020	4,525	+0%
1344	Core i3-7020U	4,525	+0%
1345	Phenom II X4 830	4,525	+0%
1346	Core i5-3427U	4,525	+0%

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Data Processing

Aggregated score for Phenom II X4 B40 based on data encryption, data compression, and string sorting benchmarks.

4,540 Rank: 1104

Rank	Name	Score	Visual
1100	Core i3-6100T	4,540	+0%
1101	Core i3-4150	4,540	+0%
1102	Core i5-2400S	4,540	+0%
1103	FX-9830P	4,540	+0%
1104	Phenom II X4 B40	4,540
1105	Pentium Silver J5005	4,539	+-0%
1106	Pentium Gold G5500T	4,539	+-0%
1107	Core i7-6660U	4,539	+-0%
1108	Core i5-7300U	4,539	+-0%
1109	A10-6700	4,539	+-0%

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Physics & Compute

Aggregated score for Phenom II X4 B40 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,505 Rank: 1374

Rank	Name	Score	Visual
1370	Core i5-2557M	4,505	+0%
1371	Core i3-2348M	4,505	+0%
1372	Core i3-2330M	4,505	+0%
1373	Core i3-2310M	4,505	+0%
1374	Phenom II X4 B40	4,505
1375	Phenom II X4 830	4,505	+0%
1376	A10-4600M	4,505	+0%
1377	Core i5-650	4,505	+0%
1378	Athlon II X4 645	4,504	+-0%
1379	Pentium G2030	4,504	+-0%

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Phenom II X4 B40 Details

The Phenom II X4 B40 stands as a notable entry in AMD's lineup of older mainstream processors, designed for budget-conscious desktop users seeking a capable quad-core solution without the need for high-end performance. Released in the late 2000s, this processor is now over 15 years old, placing it firmly in the category of legacy hardware. Despite its age, the Phenom II X4 B40 remains relevant in niche applications such as retro computing, embedded systems, or as a low-cost upgrade for aging systems.

At its core, the Phenom II X4 B40 features four cores and four threads, operating at a base frequency of 3.1 GHz with a turbo frequency of 2.7 GHz. Built on a 32 nm process node and based on AMD's K10 microarchitecture, it supports DDR3 memory up to 1333 MHz, with a maximum memory capacity of 32 GB. The processor uses the FCLGA1155 socket, which was widely adopted in its era, allowing compatibility with a range of older motherboards. It supports dual-channel memory and delivers a maximum memory bandwidth of 21 GB/s, making it suitable for basic multitasking and light productivity workloads.

The integrated graphics solution is provided by Intel's HD Graphics, which is an unusual pairing given AMD's role as the processor designer. This integrated GPU runs at a base frequency of 850 MHz and can boost up to 1100 MHz, supporting up to two displays. While not powerful enough for modern gaming or video editing, it offers sufficient performance for basic multimedia playback and light graphical tasks.

In terms of supported features, the Phenom II X4 B40 includes a broad array of technologies such as SSE4.1, SSE4.2, AVX2, AES-NI, and x86-64, ensuring compatibility with a wide range of software. It also supports advanced virtualization features like VT-x and VT-d, along with Intel's vPro technology, which enhances manageability and security in enterprise environments. The processor includes EIST for power efficiency and supports ECC memory, a feature often found in server-grade hardware, indicating its versatility in both consumer and business settings.

Benchmark data reveals that the Phenom II X4 B40 achieves an overall score of 4408, placing it at #1389 among 2060 processors. Its single-core score of 4364 ranks it at #1425, while its multicore score of 4475 places it at #1276. These results show that while the processor performs adequately for its time, it is significantly outpaced by modern CPUs. In the top 50 lists, it falls far behind current high-end models like the Ryzen Threadripper PRO 9995WX and Core Ultra 9 285K, which dominate in both single-core and multicore performance.

As of March 2026, the Phenom II X4 B40 is best suited for legacy systems, retro gaming, or as a cost-effective solution for users who do not require high-performance computing. Its combination of integrated graphics, ECC support, and virtualization features makes it a practical choice for older workstations or embedded applications, even as it remains a relic in the broader landscape of modern computing.