Phenom II X4 B65

Details and Benchmarks for AMD Phenom II X4 B65

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

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 B65 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,477 Rank: 1311
Rank Name Score Visual
1307 Core i3-4000M 4,480
+0.1%
1308 Phenom II X6 1065T 4,480
+0.1%
1309 Core M 5Y71 4,479
+0%
1310 Pentium J6426 4,478
+0%
1311 Phenom II X4 B65 4,477
1312 Phenom II X4 980 4,476
+-0%
1313 PRO A10-8770E 4,476
+-0%
1314 Xeon X5550 4,474
-0.1%
1315 Core i5-750 4,473
-0.1%
1316 Core i5-680 4,473
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Phenom II X4 B65 based on multi-threaded benchmark results.

4,500 Rank: 1223
Rank Name Score Visual
1219 Core i3-6100E 4,503
+0.1%
1220 Core i5-760 4,503
+0.1%
1221 Athlon X4 845 4,502
+0%
1222 Celeron G4930 4,500
+0%
1223 Phenom II X4 B65 4,500
1224 Pentium Gold G6400 4,500
+0%
1225 Core i7-7Y75 4,499
+-0%
1226 Xeon E3-1220 4,499
+-0%
1227 Core i5-7200U 4,498
+-0%
1228 Core i3-4360T 4,498
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Phenom II X4 B65 based on single-threaded benchmark results.

4,461 Rank: 1326
Rank Name Score Visual
1322 Pentium G850 4,467
+0.1%
1323 Pentium 4,465
+0.1%
1324 Core i5-750 4,465
+0.1%
1325 Pentium G3220T 4,463
+0%
1326 Phenom II X4 B65 4,461
1327 A10-5700 4,461
+0%
1328 Pentium G645 4,461
+0%
1329 Core i5-4300Y 4,461
+0%
1330 Core i7-970 4,461
+0%
1331 Core i7-880 4,460
+-0%

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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 B65 based on integer math, floating point math, and prime number computation benchmarks.

4,543 Rank: 1209
Rank Name Score Visual
1205 Core i3-4150T 4,544
+0%
1206 Pentium G3258 4,543
+0%
1207 Pentium G3260 4,543
+0%
1208 Core i7-4600U 4,543
+0%
1209 Phenom II X4 B65 4,543
1210 A10-9620P 4,543
+0%
1211 Phenom II X4 B97 4,543
+0%
1212 Celeron G4930 4,542
+-0%
1213 Core i3-3210 4,542
+-0%
1214 Core i3-4130T 4,542
+-0%

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Data Processing

Aggregated score for Phenom II X4 B65 based on data encryption, data compression, and string sorting benchmarks.

4,559 Rank: 1027
Rank Name Score Visual
1023 Core i5-3330S 4,560
+0%
1024 Athlon X4 845 4,560
+0%
1025 Pentium 6805 4,560
+0%
1026 Core i3-6100 4,559
+0%
1027 Phenom II X4 B65 4,559
1028 Core i7-7567U 4,558
+-0%
1029 Athlon X4 880K 4,558
+-0%
1030 Core i5-6400T 4,557
+-0%
1031 Pentium G4600 4,557
+-0%
1032 Xeon E5540 4,557
+-0%

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Physics & Compute

Aggregated score for Phenom II X4 B65 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,521 Rank: 1257
Rank Name Score Visual
1253 FX-8800P 4,522
+0%
1254 Core i5-2450M 4,521
+0%
1255 Pentium G3450 4,521
+0%
1256 Pentium G3440 4,521
+0%
1257 Phenom II X4 B65 4,521
1258 Core i3-2120T 4,521
+0%
1259 Core i7-3517U 4,521
+0%
1260 Core i5-3437U 4,521
+0%
1261 Core i5-3337U 4,521
+0%
1262 Core i7-3689Y 4,521
+0%

View full ranking →

Phenom II X4 B65 Details

As of March 2026, the Phenom II X4 B65 represents a legacy processor from AMD, originally released during the late 2000s as part of the company’s push into high-performance desktop computing. Though now well over a decade old, it remains a notable example of AMD’s earlier efforts in multi-core performance, particularly in the context of its time. Despite its age, the Phenom II X4 B65 still holds relevance for budget systems or retro builds, where its 64-bit architecture and support for DDR3 memory provide a functional platform for light computing tasks. Its 22 nm manufacturing process, however, is significantly outdated by today’s standards, where modern nodes like 5 nm and 3 nm dominate high-end processors.

The processor features a 6-core design with 12 threads, built on AMD’s K10 microarchitecture, which was a significant step forward in multi-threaded performance at the time. It operates at a base frequency of 2.1 GHz, with a turbo frequency reaching 2.6 GHz, enabling reasonable responsiveness for basic applications and older software. The integrated GPU, labeled HD Graphics 4400, is actually a mislabeling in the data—this GPU is not part of the Phenom II line, which typically did not include integrated graphics. The listed GPU specifications likely belong to a different processor, possibly a misaligned entry in the dataset. The absence of a true integrated graphics solution means this CPU requires a discrete GPU for visual output.

In terms of memory, the Phenom II X4 B65 supports up to 768 GB of DDR3 memory across four channels, with a maximum bandwidth of 51.2 GB/s, which was competitive during its era. It operates on the FCLGA2011 socket, a high-end socket used for server and workstation platforms, indicating its intended use in more robust systems. The TDP of 80 W reflects moderate power consumption, though it is higher than modern low-power alternatives. It supports a range of instruction sets including SSE4.1, SSE4.2, AVX2, AES, and x86-64, ensuring compatibility with a broad range of software from its time.

Benchmark results place the Phenom II X4 B65 at an overall score of 4477, ranking it #1311 out of 2060 processors in the Passmark database. Its single-core score of 4461 and multicore score of 4500 suggest that while it performs decently in multi-threaded tasks, it lags significantly behind modern CPUs. It falls behind newer Intel and AMD offerings such as the Core i3-6100E and the Athlon X4 845, which offer higher performance despite similar core counts. Its weak point lies in single-threaded performance, where it trails behind many contemporary low-end processors.

Given its age and performance limitations, the Phenom II X4 B65 is best suited for legacy systems, light office use, or educational purposes where modern processing power is unnecessary. It has no place in modern gaming or content creation workflows, where even mid-tier CPUs today outperform it by a wide margin. While it was once a capable processor, it now serves more as a historical artifact than a practical choice for current computing needs.
Frequently Compared

Intel Xeon w7-3465X 43 views

Intel Celeron 1017U 42 views

Intel Xeon E5320 41 views

Intel Core 2 Duo E7500 40 views

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AMD Ryzen 9 PRO 3900 34 views

Intel Core i3-3227U 34 views

AMD Ryzen 7 PRO 2700 34 views

AMD Ryzen Threadripper 1920X 33 views

Intel Intel Celeron N3000 32 views

AMD Phenom II X4 B65

Main Specifications

Designer: AMD
Name: Phenom II X4 B65
Model Number: E5-2620V2
Cores: 6
Threads: 12
Base Frequency: 2100 MHz
Socket: FCLGA2011
Max CPUs: 2
TDP: 80 W

Cache Specifications

Memory Specifications

Supported Memory Type: DDR3 800/1066/1333/1600
Memory Channels: 4
Maximum Memory: 1 GB
Maximum Bandwidth: 51.2 GB/s
ECC Support: Yes

PCI-Express Specifications

PCIe Revision: 3.0
PCIe Lanes: 40
PCIe Configuration: x4, x8, x16

Integrated Graphics

GPU: HD Graphics 4400
GPU Designer: Intel
GPU Max Frequency: 1100 MHz

Physical Specifications

Process: 22 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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