Xeon E3-1265L v2

Details and Benchmarks for Intel Xeon E3-1265L v2

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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 Xeon E3-1265L v2 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,535 Rank: 1251
Rank Name Score Visual
1247 Core M-5Y71 4,539
+0.1%
1248 Pentium G3450T 4,537
+0%
1249 Core M 5Y10c 4,536
+0%
1250 Core i7-2710QE 4,536
+0%
1251 Xeon E3-1265L v2 4,535
1252 Pentium 4,534
+-0%
1253 Celeron G1840 4,534
+-0%
1254 Xeon X5560 4,533
+-0%
1255 A10-5800B 4,533
+-0%
1256 Core i7-880 4,533
+-0%

View full ranking →

Multicore Score

Multicore performance score for Xeon E3-1265L v2 based on multi-threaded benchmark results.

4,553 Rank: 1153
Rank Name Score Visual
1149 Xeon X3430 4,558
+0.1%
1150 A12-9800 4,557
+0.1%
1151 Athlon X4 880K 4,557
+0.1%
1152 Core 2 Duo T5800 4,557
+0.1%
1153 Xeon E3-1265L v2 4,553
1154 Xeon W3530 4,552
+-0%
1155 Core i5-2560M 4,551
+-0%
1156 Core i5-4300M 4,550
-0.1%
1157 Core i7-4550U 4,550
-0.1%
1158 Xeon L5638 4,550
-0.1%

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Singlecore Score

Single-core performance score for Xeon E3-1265L v2 based on single-threaded benchmark results.

4,523 Rank: 1268
Rank Name Score Visual
1264 Xeon Bronze 3204 4,526
+0.1%
1265 FX-4320 4,526
+0.1%
1266 Phenom II X6 1100T 4,523
+0%
1267 A10-6700 4,523
+0%
1268 Xeon E3-1265L v2 4,523
1269 Celeron G3900 4,522
+-0%
1270 Core i3-6100H 4,522
+-0%
1271 Core i5-3230M 4,519
-0.1%
1272 Core i7-2630QM 4,518
-0.1%
1273 Phenom II X6 1090T 4,518
-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 Xeon E3-1265L v2 based on integer math, floating point math, and prime number computation benchmarks.

4,629 Rank: 892
Rank Name Score Visual
888 Pentium Gold G7400T 4,630
+0%
889 Core i5-4430 4,629
+0%
890 Xeon X5667 4,629
+0%
891 Core i7-3610QM 4,629
+0%
892 Xeon E3-1265L v2 4,629
893 Xeon W3580 4,629
+0%
894 Core i5-3450 4,628
+-0%
895 Xeon E3-1240 4,628
+-0%
896 Xeon E3-1245 4,628
+-0%
897 Ryzen 3 PRO 2200GE 4,627
+-0%

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Data Processing

Aggregated score for Xeon E3-1265L v2 based on data encryption, data compression, and string sorting benchmarks.

4,628 Rank: 836
Rank Name Score Visual
832 Core i7-4722HQ 4,629
+0%
833 Core i7-3630QM 4,629
+0%
834 Core i3-9300T 4,628
+0%
835 Core i7-8650U 4,628
+0%
836 Xeon E3-1265L v2 4,628
837 Core i7-4702HQ 4,627
+-0%
838 Core i3-8100 4,626
+-0%
839 Core i7-8665U 4,626
+-0%
840 Ryzen 3 3300U 4,626
+-0%
841 Core i7-6822EQ 4,625
-0.1%

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Physics & Compute

Aggregated score for Xeon E3-1265L v2 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,625 Rank: 901
Rank Name Score Visual
897 Core i5-7360U 4,625
+0%
898 Core i5-7287U 4,625
+0%
899 Core i7-2600 4,625
+0%
900 Core i7-3635QM 4,625
+0%
901 Xeon E3-1265L v2 4,625
902 Xeon E3-1270 4,625
+0%
903 Xeon E3-1245 4,625
+0%
904 Xeon E3-1235 4,625
+0%
905 Xeon X5670 4,624
+-0%
906 Ryzen Embedded V1605B 4,623
+-0%

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Xeon E3-1265L v2 Details

The Intel Xeon E3-1265L v2 stands as a testament to the enduring relevance of the Ivy Bridge architecture, even as it approaches its 14th year in the market. Launched in May 2012, this server-focused processor is now considered a legacy device, yet it continues to hold its own in specific workloads due to its robust feature set and efficient design. Built on a 22 nm process, the Xeon E3-1265L v2 features a 4-core, 8-thread configuration enabled by Intel's Hyper-Threading technology, delivering a base frequency of 2.5 GHz and a turbo boost up to 3.5 GHz. Its 7.629 MiB of L3 cache, combined with 0.061 MiB of L1 and 0.244 MiB of L2 cache, ensures fast access to frequently used data, while its 45 W TDP makes it a power-efficient choice for low-to-mid-range server and workstation environments.

Despite its age, the processor remains competitive in certain benchmark categories, particularly in single-core performance. It achieves a single-core score of 4523, ranking it #1266 out of 2060 processors, a position that reflects its strong per-thread performance. This is further supported by its support for advanced instruction sets such as AVX, AVX2, and AES-NI, which enhance performance in compute-intensive applications. The integrated Intel HD 2500 graphics, though modest by today’s standards, provides basic visual output and supports up to three displays, making it suitable for office or light multimedia tasks. The processor also supports ECC memory, a critical feature for mission-critical systems where data integrity is paramount.

In multicore performance, the Xeon E3-1265L v2 scores 4553, placing it at #1153 in the overall ranking. While this is solid for its time, it falls short of modern multi-core leaders, as evidenced by its rank of #1251 in the overall score. This performance gap is most evident when compared to top-tier processors like the Ryzen Threadripper PRO 9995WX, which scores over double in multicore performance. Still, the Xeon E3-1265L v2 holds its own against older and mid-tier CPUs, such as the Core i5-2560M and Xeon L5638, both of which score lower in multicore benchmarks.

As of March 2026, the Xeon E3-1265L v2 is best suited for legacy server environments, small business workstations, or as a cost-effective upgrade for older systems. Its combination of ECC support, low power consumption, and integrated graphics makes it a practical choice for users who prioritize stability and efficiency over raw performance. While it cannot compete with today’s high-end processors in terms of speed or feature set, its longevity and reliability continue to make it a viable option in niche markets.
Frequently Compared

AMD Ryzen 7 2700X 37 views

Intel Xeon W3505 32 views

AMD Ryzen 5 3500X 31 views

AMD A10-5757M 31 views

AMD Athlon II X2 265 30 views

AMD Athlon II X3 425 29 views

Intel Celeron G530 29 views

Intel Core i3-4030U 28 views

AMD Phenom 9750 27 views

Intel Core 2 Duo E8600 27 views

Intel Xeon E3-1265L v2

Main Specifications

Designer: Intel
Name: Xeon E3-1265L v2
Cores: 4
Threads: 8
Base Frequency: 2500 MHz
Clock Multiplier: 25x (locked)
Core Name: Ivy Bridge
Socket: Socket 1155
Package: FC-LGA12C
Target Segment: Server
TDP: 45 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.244 MiB
L3 Cache: 7.629 MiB

Memory Specifications

Supported Memory Type: DDR3

Physical Specifications

Process: 22 nm
Die Area: 160 mm²
Manufacturer: Intel

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX EIST TXT VT-x VT-d SSE4a SHA AMD-Vi AMD-V SenseMI SMT SME
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