Athlon II X2 265

Details and Benchmarks for AMD Athlon II X2 265

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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 Athlon II X2 265 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,489 Rank: 1295
Rank Name Score Visual
1291 Phenom II X4 975 4,493
+0.1%
1292 Xeon X3440 4,492
+0.1%
1293 A8-7670K 4,492
+0.1%
1294 Pentium G2030 4,491
+0%
1295 Athlon II X2 265 4,489
1296 Celeron G4930T 4,488
+-0%
1297 Pentium G860 4,486
-0.1%
1298 Celeron G1630 4,486
-0.1%
1299 PRO A10-9700E 4,486
-0.1%
1300 Core i7-920 4,483
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Athlon II X2 265 based on multi-threaded benchmark results.

4,422 Rank: 1405
Rank Name Score Visual
1401 Celeron G4920 4,423
+0%
1402 Phenom II X4 840T 4,423
+0%
1403 Phenom II X4 910 4,423
+0%
1404 Core i5-6200U 4,422
+0%
1405 Athlon II X2 265 4,422
1406 Phenom II X4 900e 4,421
+-0%
1407 PRO A8-8650B 4,421
+-0%
1408 Xeon X5687 4,420
+-0%
1409 Celeron N4100 4,419
-0.1%
1410 Xeon D-1527 4,418
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Athlon II X2 265 based on single-threaded benchmark results.

4,533 Rank: 1261
Rank Name Score Visual
1257 Xeon W3530 4,541
+0.2%
1258 Xeon E3-1220L v2 4,540
+0.2%
1259 Core i3-3240T 4,537
+0.1%
1260 Core i7 960 4,536
+0.1%
1261 Athlon II X2 265 4,533
1262 Xeon L5639 4,532
+-0%
1263 Xeon E5-2450 v2 4,530
-0.1%
1264 Xeon Bronze 3204 4,526
-0.2%
1265 FX-4320 4,526
-0.2%
1266 Phenom II X6 1100T 4,523
-0.2%

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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 Athlon II X2 265 based on integer math, floating point math, and prime number computation benchmarks.

4,494 Rank: 1577
Rank Name Score Visual
1573 A4-5000 4,495
+0%
1574 Athlon II X2 280 4,495
+0%
1575 E2-6110 4,495
+0%
1576 Pentium B950 4,494
+0%
1577 Athlon II X2 265 4,494
1578 Pentium E5800 4,494
+0%
1579 A6-3420M 4,494
+0%
1580 Core i3-4012Y 4,494
+0%
1581 Pentium N3710 4,494
+0%
1582 Pentium N3530 4,494
+0%

View full ranking →

Data Processing

Aggregated score for Athlon II X2 265 based on data encryption, data compression, and string sorting benchmarks.

4,476 Rank: 1481
Rank Name Score Visual
1477 Pentium N3700 4,476
+0%
1478 Core i3-2348M 4,476
+0%
1479 Pentium G645 4,476
+0%
1480 Celeron G1620 4,476
+0%
1481 Athlon II X2 265 4,476
1482 Core M-5Y10c 4,476
+0%
1483 A10-4655M 4,476
+0%
1484 A6-3410MX 4,476
+0%
1485 Atom x5-Z8500 4,476
+0%
1486 Core i5-460M 4,476
+0%

View full ranking →

Physics & Compute

Aggregated score for Athlon II X2 265 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,473 Rank: 1578
Rank Name Score Visual
1574 A4-5300 4,475
+0%
1575 Athlon 5150 4,475
+0%
1576 Pentium 997 4,474
+0%
1577 Celeron B830 4,473
+0%
1578 Athlon II X2 265 4,473
1579 Pentium J2900 4,473
+0%
1580 Pentium N3710 4,473
+0%
1581 Atom x5-Z8500 4,473
+0%
1582 Athlon II X2 280 4,473
+0%
1583 A6-5400K 4,472
+-0%

View full ranking →

Athlon II X2 265 Details

As of March 2026, the AMD Athlon II X2 265 remains a relic of a bygone era in desktop computing, having been launched in September 2010. Based on the Regor microarchitecture and built on a 45 nm process, this dual-core processor was designed for budget-conscious users seeking basic computing performance without integrated graphics. Despite its age, the Athlon II X2 265 still holds a place in the performance hierarchy due to its relatively high clock speed of 3.3 GHz and a locked multiplier that limits overclocking potential. Its 65 W TDP reflects the energy efficiency standards of its time, though modern processors consume far less power while delivering vastly superior performance.

The Athlon II X2 265 operates at a base frequency of 3.3 GHz with a 16.5x multiplier and a 1333 MHz bus speed, supported by dual-channel DDR3-1066 memory. It features 1 MB of L2 cache shared between its two cores and is packaged in µPGA with a Socket LGA775 footprint, a design now largely obsolete in modern systems. Although it lacks integrated graphics, some motherboards with compatible chipsets can provide limited GPU functionality through shared memory, though this is not a standard feature. The processor supports a range of x86-64 extensions, including SSE4.1, SSE4.2, AES-NI, and AMD-V virtualization, making it capable of running legacy software and basic virtualization workloads.

In benchmark testing, the Athlon II X2 265 achieves an overall score of 4489, placing it at #1295 out of 2060 processors in the Passmark database. Its single-core performance scores 4533, ranking it #1261, indicating relatively strong per-core efficiency for its time. However, its multicore score of 4422 places it at #1404, highlighting its limitations in parallel workloads. While it outperforms several low-end processors like the Celeron N4100 and Xeon L5639, it falls behind modern mid-range CPUs such as the Core i7-960 and Xeon X3440. These results reflect the significant advancements in multi-core scaling and instruction efficiency over the past decade.

The Athlon II X2 265’s performance is best suited for light office tasks, web browsing, and media playback—workloads that do not demand high computational power. Its lack of modern features like AVX-512, PCIe 4.0, or support for DDR5 memory makes it incompatible with current operating systems and software optimizations. As a result, the processor serves as a historical benchmark point, illustrating the dramatic evolution of desktop processors. For users today, it is best reserved for retro computing projects or as a replacement in older systems where cost and power consumption are critical factors.

In conclusion, the Athlon II X2 265 exemplifies the transition period in the late 2000s when dual-core CPUs began to dominate the mainstream market. While it was once a competitive option for budget desktops, its performance now places it well below the current standard for general-purpose computing. Its relevance today lies primarily in its historical significance and its ability to run legacy applications, rather than its practical utility in modern computing environments.
Frequently Compared

Intel Pentium Gold G7400 5 views

Intel Core 2 Duo P7450 5 views

Intel Core 2 Duo E8300 5 views

Intel Core 2 Duo T9400 4 views

Intel Xeon E5640 4 views

Intel Celeron 1000M 4 views

Intel Xeon E3-1225 4 views

AMD Ryzen Threadripper 2970WX 4 views

Intel Core 2 Duo T6670 4 views

Intel Core i5-10600K 4 views

AMD Athlon II X2 265

Main Specifications

Designer: AMD
Name: Athlon II X2 265
Model Number: E8600
Cores: 2
Threads: 2
Base Frequency: 3330 MHz
Clock Multiplier: 16.5xx (locked)
Core Name: Regor
Socket: LGA775
Package: µPGA
Target Segment: Desktop
Max CPUs: 1
TDP: 65 W

Cache Specifications

Memory Specifications

Supported Memory Type: DDR3 1066
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 17 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 12
PCIe Configuration: x1 (6), x2 (4), x4 (3)

Integrated Graphics

GPU: HD Graphics
GPU Designer: Intel
GPU Max Frequency: 1000 MHz

Physical Specifications

Process: 45 nm
Die Area: 117 mm²
Transistor Count: 0.00 billion
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSE4.1 SSE4.2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT SSE4a AMD-V TSX Flex Memory FMA 3DNow!
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