Xeon E3-1260L

Details and Benchmarks for Intel Xeon E3-1260L

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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 E3-1260L based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,503 Rank: 1286
Rank Name Score Visual
1282 Core i7-2630QM 4,506
+0.1%
1283 Phenom II X6 1090T 4,506
+0.1%
1284 Phenom II X4 B50 4,505
+0%
1285 PRO A6-9500 4,505
+0%
1286 Xeon E3-1260L 4,503
1287 Celeron 4305U 4,503
+0%
1288 FX-6120 4,501
+-0%
1289 Xeon E3-1220 4,501
+-0%
1290 Core i5-3437U 4,496
-0.2%
1291 Phenom II X4 975 4,493
-0.2%

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Multicore Score

Multicore performance score for Xeon E3-1260L based on multi-threaded benchmark results.

4,611 Rank: 1075
Rank Name Score Visual
1071 Core i3-2377M 4,612
+0%
1072 Core i3-4330 4,612
+0%
1073 FX-8320E 4,612
+0%
1074 Core 2 Duo T7250 4,611
+0%
1075 Xeon E3-1260L 4,611
1076 Core i3-2312M 4,610
+-0%
1077 Core i5-3330S 4,610
+-0%
1078 Core i7-920 4,609
+-0%
1079 Core i5-7440HQ 4,608
-0.1%
1080 Core i7-4870HQ 4,607
-0.1%

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Singlecore Score

Single-core performance score for Xeon E3-1260L based on single-threaded benchmark results.

4,431 Rank: 1358
Rank Name Score Visual
1354 Intel Core i7-640M 4,433
+0%
1355 A10-7800 4,432
+0%
1356 A8-5600K 4,432
+0%
1357 Core i7-2670QM 4,431
+0%
1358 Xeon E3-1260L 4,431
1359 Core i5-2515E 4,429
+-0%
1360 A9-9420 4,429
+-0%
1361 Athlon X4 840 4,429
+-0%
1362 FX-6120 4,427
-0.1%
1363 Athlon II X4 631 4,427
-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 E3-1260L based on integer math, floating point math, and prime number computation benchmarks.

4,589 Rank: 992
Rank Name Score Visual
988 Core i3-1005G1 4,589
+0%
989 Core i5-2320 4,589
+0%
990 A12-9800 4,589
+0%
991 A10-7870K 4,589
+0%
992 Xeon E3-1260L 4,589
993 Core i7-2720QM 4,588
+-0%
994 Xeon X3460 4,588
+-0%
995 A10-6800K 4,588
+-0%
996 A10-6700 4,588
+-0%
997 Xeon E5-2609 v2 4,588
+-0%

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Data Processing

Aggregated score for Xeon E3-1260L based on data encryption, data compression, and string sorting benchmarks.

4,593 Rank: 920
Rank Name Score Visual
916 Core i5-1030NG7 4,594
+0%
917 Xeon E5-1607 v4 4,593
+0%
918 Core i5-7500T 4,593
+0%
919 Core i3-8100T 4,593
+0%
920 Xeon E3-1260L 4,593
921 Core i5-3470 4,592
+-0%
922 Core i5-4460 4,592
+-0%
923 Phenom II X6 1055T 4,592
+-0%
924 Core i5-3570S 4,592
+-0%
925 Pentium J6426 4,592
+-0%

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Physics & Compute

Aggregated score for Xeon E3-1260L based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,596 Rank: 973
Rank Name Score Visual
969 Core i5-2500 4,598
+0%
970 Core i7-2760QM 4,597
+0%
971 Core i5-6267U 4,596
+0%
972 Ryzen 3 2300U 4,596
+0%
973 Xeon E3-1260L 4,596
974 Xeon E3-1225 4,596
+0%
975 Core i7-6560U 4,595
+-0%
976 Core i3-7101TE 4,595
+-0%
977 Atom C3758 4,595
+-0%
978 Core i3-4370 4,595
+-0%

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Xeon E3-1260L Details

Ranked #1286 of 2060 in overall performance, the Intel Xeon E3-1260L presents a surprisingly balanced profile for a processor launched in April 2011. While its 32 nm Sandy Bridge architecture and 45 W TDP place it firmly in the era of early 2010s computing, its performance metrics still hold relevance in specific server and workstation environments. With a base clock of 2.4 GHz and a turbo boost up to 3.3 GHz, the processor leverages Intel Hyper-Threading to deliver eight logical threads, enabling it to handle moderate multi-threaded workloads efficiently.

The Xeon E3-1260L is built on the Sandy Bridge microarchitecture and features 4 cores, 8 MB of L3 cache, and a 1.16 billion transistor count. It supports DDR3 memory via a dual-channel interface and includes ECC memory support, a critical feature for data integrity in server applications. Integrated into the processor is the Intel HD 2000 graphics, which, while outdated by modern standards, provides basic display output and hardware acceleration for light graphics tasks. The CPU uses a Socket 1155 interface and supports PCIe Gen 3 with 16 lanes, ensuring compatibility with contemporary server motherboards of its time.

Despite its age, the Xeon E3-1260L achieves a Passmark Overall Score of 4503, placing it above some modern processors in the same tier. Its Singlecore Score of 4431 ranks it #1357, indicating that its per-core performance remains competitive in certain legacy applications. The Multicore Score of 4611, ranking #1074, highlights strong scaling capabilities, especially when paired with appropriate software optimizations that can leverage its 8-thread configuration. These results suggest that the Xeon E3-1260L remains effective in multi-threaded server environments where thread count and power efficiency are priorities.

The processor supports a wide range of instruction sets, including AVX, AVX2, AES-NI, and Intel Virtualization Technology (VT-x), making it suitable for virtualization and encryption-heavy workloads. It also supports SMT (Simultaneous Multithreading), allowing it to handle multiple threads per core efficiently. However, its locked multiplier limits overclocking potential, a trade-off common in server-oriented CPUs designed for stability.

As of March 2026, the Xeon E3-1260L occupies a niche in legacy server systems and embedded workstations where cost-effective, reliable performance is more critical than cutting-edge speed. Its 45 W TDP ensures low power consumption, making it a viable option for energy-efficient deployments. While it falls far behind modern high-end CPUs like the Ryzen Threadripper PRO 9995WX or Core Ultra 9 285K, it remains a functional choice for light to moderate server workloads, virtualization, and small-scale data processing.
Frequently Compared

Intel Pentium G4600 41 views

Intel Celeron G4930T 37 views

AMD A8-7200P 37 views

Intel Xeon W3505 35 views

AMD Ryzen 5 3600 34 views

AMD A9-9425 32 views

Intel Core 2 Duo E8600 32 views

AMD A6-3620 32 views

Intel Core i5-3350P 31 views

AMD Ryzen 5 3500X 29 views

Intel Xeon E3-1260L

Main Specifications

Designer: Intel
Name: Xeon E3-1260L
Cores: 4
Threads: 8
Base Frequency: 2400 MHz
Clock Multiplier: 24x (locked)
Core Name: Sandy Bridge
Socket: Socket 1155
Package: FC-LGA10
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: 32 nm
Die Area: 216 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 TSME SenseMI SMT
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