Intel® Xeon™ E3-1260L
The Intel Xeon E3-1260L is a server processor released on April 1, 2011, built on the Sandy Bridge architecture using a 32 nm process. It has 4 cores and 8 threads, a base clock of 2.40 GHz, a maximum boost of 3.30 GHz, 8 MB of L3 cache, a 45 W TDP and the LGA1155 socket.
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Overview
SummaryThe Intel Xeon E3-1260L is a server processor with 4 cores and 8 threads, built on the Sandy Bridge architecture. It launched in Apr 2011. Clocks run from 2.4 GHz base to 3.3 GHz boost. A 8-MB L3 cache backs the cores (2.3 MB per core). It addresses DDR3 memory up to 32 GB across 2 channels. The chip drops into the LGA1155 socket and exposes PCIe 2.0 (20 lanes). Rated TDP is 45 W. Notable platform capabilities: Extended Page Tables (EPT).
Performance
12 metricsThe Intel Xeon E3-1260L scores 1,459 in single-core performance and 4,080 in multi-core performance (PassMark CPU Mark ratings). From those two ratings Feex computes 2,440 for overall performance, 4,695 for productivity performance, 4,870 for creator performance, 3,927 for engineering performance and 5,397 for gaming performance. Its multi-core throughput works out to 1,020 per core, 510 per thread and 91 per watt. Its computed efficiency index is 364. Its performance index is 30, so its overall performance is 70% below the Intel Core i5-12400 (index 100). Each bar shows the score as a share of a reference ceiling, which is the larger of the 99th-percentile score across the Feex CPU database and a fixed baseline.
How these scores are computed
Single-core and multi-core performance are PassMark CPU Mark single-thread and multi-thread ratings. Every other figure on this page's performance section is computed by Feex from those two ratings plus core count, thread count and TDP, so it is a derived value and not a separate benchmark run.
- Overall performance is the geometric mean of the two ratings: the square root of single-core times multi-core.
- Productivity performance is 0.65 times multi-core plus 1.4 times single-core.
- Creator performance is 0.55 times multi-core plus 1.8 times single-core.
- Engineering performance is multi-core times the smaller of 1.4 and (0.9 plus cores divided by 64).
- Gaming performance is 3 times single-core plus 0.25 times multi-core.
- Performance per core, per thread and per watt divide the multi-core rating by physical cores, logical threads and TDP in watts.
- The efficiency index is the square root of single-core times multi-core, divided by the square root of TDP.
- The performance index is overall performance divided by the overall performance of the Intel Core i5-12400 (8,069), times 100.
Workload Benchmarks
8 workloadsScores for individual PassMark CPU Mark test categories. Higher is better. These are measured test scores, not computed from the single-core and multi-core ratings.
In the individual workload tests the Intel Xeon E3-1260L scores 15,176 in integer math, 5,701 in floating-point math, 67,619 in compression, 1,238 in cryptography, 355 in physics simulation, 2,906 in vector SIMD, 22 in the prime sieve and 9,653 in sorting. Higher is better. Compared with the Intel Core i5-12400, it is 74% below in integer math, 88% below in floating-point math, 70% below in compression, 89% below in cryptography, 67% below in physics simulation, 81% below in vector SIMD, 67% below in the prime sieve and 57% below in sorting. Each bar shows the score as a share of that workload's reference ceiling, the larger of the 99th-percentile score across CPUs with a recorded value and a fixed baseline.
Core Configuration
5 specsThe Intel Xeon E3-1260L has 4 physical cores and runs 8 logical threads. It runs 2 threads per core. It runs at a base clock of 2.40 GHz and boosts up to 3.30 GHz.
Architecture & Generation
8 specsThe Intel Xeon E3-1260L is a server processor, belongs to the Intel Xeon E3 family, uses the Sandy Bridge architecture, carries the codename Sandy Bridge and is manufactured on a 32 nm process. It launched in Apr 2011.
Cache
6 specsThe Intel Xeon E3-1260L has 256 KB of L1 cache, 1 MB of L2 cache and 8 MB of L3 cache. That adds up to about 9.3 MB of cache, or 2.31 MB per core. Each core has 256 KB of private L2 cache.
Cache Hierarchy
3 levelsThe Intel Xeon E3-1260L has a 3-level cache hierarchy: L1 at 256 KB, L2 at 1 MB and L3 at 8 MB. L3 is the largest level and makes up about 86% of the cache listed here.
Memory Support
6 specsThe Intel Xeon E3-1260L supports DDR3 memory, addresses up to 32 GB of memory and uses 2 memory channels. It does not support DDR5, DDR4 and LPDDR memory.
Graphics
4 specsThe Intel Xeon E3-1260L includes integrated graphics (Intel HD Graphics 2000) and clocks the graphics up to 1.25 GHz.
Platform & Compatibility
3 specsThe Intel Xeon E3-1260L uses the LGA1155 socket, supports PCI Express 2.0 and provides up to 20 PCIe lanes.
Power & Thermals
1 specThe Intel Xeon E3-1260L has a rated TDP of 45 W.
Platform Capabilities
7 supported, 1 not supportedInstruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.
Instruction Sets
4 supportedSecurity and Reliability
0 supportedVirtualization
3 supportedOS Compatibility
0 supportedThe Intel Xeon E3-1260L supports AVX, 64-bit (x86-64), SSE4.1 and SSE4.2 among its instruction set features. Feex has no record for AES-NI, AMX, AVX-512, AVX2, AVX-VNNI and CET, which is different from being unsupported.
Feex has no record for AES-NI, Control-flow Enforcement (CET), Execute Disable (NX), Boot Guard, Hardware RNG and Hardware Shield, which is different from being unsupported.
The Intel Xeon E3-1260L supports Extended Page Tables (EPT), VT-d (DMA Remapping) and VT-x (Hardware Virtualization) among its virtualization features. Feex has no record for VT-x with EPT, IOMMU, Second-Level Address Translation and Unrestricted Guest, which is different from being unsupported.
Feex records these as not true for the Intel Xeon E3-1260L: Windows 11 eligible.
Physical & Manufacturing
1 specThe Intel Xeon E3-1260L is manufactured by Intel. It launched at a price of $294.
Naming & Aliases
3 specsThe Intel Xeon E3-1260L is also identified by the model number E3-1260L.
Real-world compute in the Feex fleet
No machines yetNo Feex fleet machines with the Intel Xeon E3-1260L have reported compute telemetry yet, so real-world compute for this processor is not recorded.
Data Coverage
60% recordedFeex has recorded 60% of the specifications it tracks for the Intel Xeon E3-1260L. Values Feex does not hold are shown as "Not recorded" rather than estimated.
Not recorded: Core Configuration: Performance Cores, Efficiency Cores, Hybrid Architecture, All-Core Boost and Unlocked Multiplier. Architecture & Generation: ISA Family and Market Status. Cache: L4 Cache. Memory Support: Memory Bandwidth, ECC Memory and Max Memory Speed. Graphics: Execution Units, Display Outputs and Max Video Memory. Platform & Compatibility: Package and Package Size. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size, Die Count and Foundry. Naming & Aliases: Normalized Name, SKU, Processor Number and Part Number.
Common questions
12 answeredHow many cores and threads does the Intel Xeon E3-1260L have?
The Intel Xeon E3-1260L has 4 cores and 8 threads.
What architecture does the Intel Xeon E3-1260L use?
The Intel Xeon E3-1260L is built on the Sandy Bridge architecture.
Does the Intel Xeon E3-1260L have integrated graphics?
Yes. The Intel Xeon E3-1260L includes integrated graphics: Intel HD Graphics 2000.
What socket does the Intel Xeon E3-1260L use?
The Intel Xeon E3-1260L uses the LGA1155 socket.
What memory does the Intel Xeon E3-1260L support?
The Intel Xeon E3-1260L supports DDR3 up to 32 GB across 2 channels.
How fast does the Intel Xeon E3-1260L run?
The Intel Xeon E3-1260L can boost up to 3.3 GHz, with a 2.4 GHz base clock.
What is the TDP of the Intel Xeon E3-1260L?
The Intel Xeon E3-1260L has a TDP of 45 W.
How does the Intel Xeon E3-1260L perform?
In the Feex normalized performance dataset, the Intel Xeon E3-1260L scores 4,080 multi-core and 1,459 single-core.
What advanced capabilities does the Intel Xeon E3-1260L support?
Notable platform capabilities reported for the Intel Xeon E3-1260L include Extended Page Tables (EPT).
What is the Intel Xeon E3-1260L best for?
Based on its specifications, the Intel Xeon E3-1260L is well suited for Server / professional infrastructure, Mini PCs and graphics-included builds.
How much cache does the Intel Xeon E3-1260L have?
The Intel Xeon E3-1260L has 256 KB of L1 cache, 1024 KB of L2 cache and 8 MB of L3 cache.
How does the Intel Xeon E3-1260L compare with the Intel Core i5-12400?
The Intel Xeon E3-1260L has a computed performance index of 30, which is 70% below the Intel Core i5-12400 (index 100). The index is derived from the single-core and multi-core ratings.