Phenom II X4 B50

Details and Benchmarks for AMD Phenom II X4 B50

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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 B50 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,505 Rank: 1284
Rank Name Score Visual
1280 Xeon W3520 4,508
+0.1%
1281 Xeon X3430 4,508
+0.1%
1282 Core i7-2630QM 4,506
+0%
1283 Phenom II X6 1090T 4,506
+0%
1284 Phenom II X4 B50 4,505
1285 PRO A6-9500 4,505
+0%
1286 Xeon E3-1260L 4,503
+-0%
1287 Celeron 4305U 4,503
+-0%
1288 FX-6120 4,501
-0.1%
1289 Xeon E3-1220 4,501
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Phenom II X4 B50 based on multi-threaded benchmark results.

4,591 Rank: 1101
Rank Name Score Visual
1097 Pentium Gold G5420 4,593
+0%
1098 Core i3-8121U 4,593
+0%
1099 Celeron B815 4,592
+0%
1100 A10-9700 4,592
+0%
1101 Phenom II X4 B50 4,591
1102 Athlon Gold 7220U 4,591
+0%
1103 Intel Core i5-6198DU 4,590
+-0%
1104 Core i7-6600U 4,589
+-0%
1105 Core i3-7100H 4,588
-0.1%
1106 Core i5-3330 4,588
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Phenom II X4 B50 based on single-threaded benchmark results.

4,447 Rank: 1345
Rank Name Score Visual
1341 A10-7850K 4,450
+0.1%
1342 Core i7-960 4,449
+0%
1343 Celeron G1620 4,448
+0%
1344 Xeon X5560 4,447
+0%
1345 Phenom II X4 B50 4,447
1346 Xeon X3450 4,444
-0.1%
1347 Core i3-2120T 4,444
-0.1%
1348 A10-7860K 4,439
-0.2%
1349 Pentium 4415U 4,439
-0.2%
1350 Core i7-2677M 4,435
-0.3%

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 X4 B50 based on integer math, floating point math, and prime number computation benchmarks.

4,533 Rank: 1279
Rank Name Score Visual
1275 Core i3-6157U 4,533
+0%
1276 Celeron G4900 4,533
+0%
1277 Core i5-3210M 4,533
+0%
1278 Core i7-4650U 4,533
+0%
1279 Phenom II X4 B50 4,533
1280 Core i7-3667U 4,533
+0%
1281 Core i5-5200U 4,533
+0%
1282 Phenom II X4 960T 4,533
+0%
1283 Xeon E5506 4,533
+0%
1284 Core i5-5350U 4,533
+0%

View full ranking →

Data Processing

Aggregated score for Phenom II X4 B50 based on data encryption, data compression, and string sorting benchmarks.

4,544 Rank: 1081
Rank Name Score Visual
1077 A12-9800E 4,545
+0%
1078 Phenom II X4 B97 4,545
+0%
1079 Core i3-7100T 4,544
+0%
1080 Core i3-4160 4,544
+0%
1081 Phenom II X4 B50 4,544
1082 Phenom II X4 840 4,544
+0%
1083 Core i3-4340 4,543
+-0%
1084 A10-6790K 4,543
+-0%
1085 A8-7670K 4,543
+-0%
1086 Athlon II X4 555 4,543
+-0%

View full ranking →

Physics & Compute

Aggregated score for Phenom II X4 B50 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,515 Rank: 1299
Rank Name Score Visual
1295 Core i7-2677M 4,515
+0%
1296 Pentium G3260 4,515
+0%
1297 Pentium G3420 4,515
+0%
1298 Phenom II X4 B55 4,515
+0%
1299 Phenom II X4 B50 4,515
1300 Xeon E5506 4,515
+0%
1301 Core M-5Y71 4,515
+0%
1302 Core M-5Y31 4,515
+0%
1303 Core i5-680 4,515
+0%
1304 Phenom II X4 B97 4,515
+0%

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Phenom II X4 B50 Details

The Phenom II X4 B50 is designed for users seeking a balance of performance and power efficiency in a mainstream desktop platform, particularly those who require integrated graphics without the need for a discrete GPU. As of March 2026, this processor is considered an older design, having been released during a time when 45 nm process technology was standard and quad-core performance was a key differentiator in the mid-range market. Despite its age, the Phenom II X4 B50 still holds relevance in legacy systems and budget builds where cost-effectiveness and compatibility are priorities.

Built on AMD's K10 microarchitecture, the Phenom II X4 B50 features four cores and four threads, operating at a base frequency of 3.16 GHz with a turbo frequency of 3.3 GHz. It uses the LGA771 socket and is manufactured on a 45 nm process, which contributes to its 120 W TDP. This processor supports DDR3 memory up to 1600 MHz and can handle up to 32 GB of system memory across two channels, with a maximum memory bandwidth of 25.6 GB/s. Its PCIe 2.0 support includes configurations such as 1x16, 2x8, 1x8, and 2x4 lanes, enabling flexibility for expansion cards.

The Phenom II X4 B50 includes integrated Intel HD Graphics 4000, which is unusual given that AMD typically designs its own GPUs. This GPU operates at a base frequency of 350 MHz and can burst up to 1200 MHz, supporting up to three displays and offering decent multimedia capabilities for office and light multimedia tasks. However, the lack of native ECC memory support and limited modern instruction set features—such as AVX2 and AES-NI—mean it does not keep pace with current-generation processors in encryption or vectorized workloads.

In benchmark testing, the Phenom II X4 B50 achieves an overall score of 4505, ranking #1284 out of 2060 processors, with a single-core score of 4447 (#1344) and a multicore score of 4591 (#1101). These results place it below many modern CPUs but still ahead of some older dual-core and low-power processors. It competes closely with models like the Core i3-8121U and Celeron B815, which have similar scores, though the Phenom II X4 B50 maintains a slight edge in single-threaded performance due to its higher base frequency.

The processor supports a range of modern technologies, including SSE4.1, SSE4.2, x86-64, Hyper-Threading (though it lacks true SMT), EIST, and Intel vPro, though the inclusion of Intel-specific features like TXT and VT-d is puzzling given AMD's design. These capabilities make it suitable for basic virtualization and enterprise environments, though its age limits its long-term viability.

Overall, the Phenom II X4 B50 is best suited for users upgrading from older systems, running general productivity software, or operating in environments where integrated graphics are sufficient. While it no longer competes with top-tier CPUs, it remains a functional option in the lower end of the performance spectrum, especially in systems where cost and compatibility outweigh the need for cutting-edge performance.
Frequently Compared

Intel Core M 5Y51 7 views

Intel Core i7 970 3 views

AMD Ryzen 7 2700X 3 views

Intel Core M 5Y31 3 views

AMD Ryzen Threadripper 2970WX 3 views

Intel Intel Celeron J3160 3 views

Intel Celeron G4920 3 views

AMD Ryzen 3 PRO 2200GE 1 view

AMD Ryzen 9 PRO 3900 1 view

AMD Ryzen 5 PRO 3500U 1 view

AMD Phenom II X4 B50

Main Specifications

Designer: AMD
Name: Phenom II X4 B50
Model Number: X5460
Cores: 4
Threads: 4
Base Frequency: 3160 MHz
Socket: LGA771
Max CPUs: 1
TDP: 120 W

Cache Specifications

Memory Specifications

Supported Memory Type: DDR3/L/-RS 1333/1600
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 25.6 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 16
PCIe Configuration: 1x16, 2x8, 1x8 2x4

Integrated Graphics

GPU: HD Graphics 4000
GPU Designer: Intel
GPU Max Frequency: 1200 MHz

Physical Specifications

Process: 45 nm
Word Size: 64-bit

CPU Features

SSE4.1 SSE4.2 AVX2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA
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