INTEL

Intel Xeon E3-1278L v4

Intel processor specifications and benchmark scores

4
Cores
8
Threads
3.3
GHz Boost
47W
TDP
πŸ–₯️Integrated GPU πŸ›‘οΈECC Memory

Intel Xeon E3-1278L v4 Specifications

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Xeon E3-1278L v4 Core Configuration

Processing cores and threading

The Intel Xeon E3-1278L v4 features 4 physical cores and 8 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
4
Threads
8
SMP CPUs
1
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E3-1278L v4 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Xeon E3-1278L v4 benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Xeon E3-1278L v4 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2000 GHz
Boost Clock
3.3 GHz
Multiplier
20x
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Intel's Xeon E3-1278L v4 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the E3-1278L v4 processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Xeon E3-1278L v4's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB (per core)
L2 Cache
256 KB (per core)
L3 Cache
6 MB (shared)
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Broadwell Architecture & Process

Manufacturing and design details

The Intel Xeon E3-1278L v4 is built on Intel's 14 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in E3-1278L v4 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Broadwell
Codename
Broadwell-DT
Process Node
14 nm
Foundry
Intel
Die Size
182 mmΒ²
Generation
Xeon E3 (Broadwell-DT)
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Broadwell Instruction Set Features

Supported CPU instructions and extensions

The Xeon E3-1278L v4 by Intel supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4.1
SSE4.2
AVX
AVX2
FMA3
AES-NI
F16C
BMI1
BMI2
Intel 64
VT-x
VT-d
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E3-1278L v4 Power & Thermal

TDP and power specifications

The Intel Xeon E3-1278L v4 has a TDP (Thermal Design Power) of 47W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
47W
Tj Max
105Β°C
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Intel BGA 1364 Platform & Socket

Compatibility information

The Xeon E3-1278L v4 uses the Intel BGA 1364 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
Intel BGA 1364
PCIe
Gen 3
Package
FC-BGA14F
DDR5

Intel BGA 1364 Memory Support

RAM compatibility and speeds

Memory support specifications for the E3-1278L v4 define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Xeon E3-1278L v4 determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR3
Memory Bus
Dual-channel
Memory Bandwidth
25.6 GB/s
ECC Memory
Supported
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Intel's Xeon E3-1278L v4 Integrated Graphics

Built-in GPU specifications

The Intel Xeon E3-1278L v4 includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the E3-1278L v4 provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
Intel Iris Pro P6300
Graphics Model
Intel Iris Pro P6300
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Xeon E3-1278L v4 Product Information

Release and pricing details

The Intel Xeon E3-1278L v4 is manufactured by Intel and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Xeon E3-1278L v4 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Jun 2015
Launch Price
$449
Market
Server/Workstation
Part Number
SR2E7

Xeon E3-1278L v4 Benchmark Scores

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No benchmark data available for this CPU.

About Intel Xeon E3-1278L v4

The Intel Xeon E3-1278L v4 is a low-power server chip designed for always-on systems where energy efficiency is a priority. With a base clock of 2.0 GHz and a turbo boost up to 3.3 GHz, this quad-core processor handles everyday server tasks reliably. Its 47W TDP makes the E3-1278L v4 ideal for compact, dense server racks where heat and power are major constraints. You can expect solid performance for file serving, network routing, and light virtualization workloads. It's not built for heavy computational lifting but excels in sustained, low-energy operation. This Xeon E3 processor finds its niche in edge computing and small business server applications. The Broadwell architecture provides a good balance of performance per watt. For basic IT infrastructure, this CPU delivers dependable results without draining your power budget.

In a workstation context, the Intel Xeon E3-1278L v4 processor targets specialized, low-profile systems rather than high-end creative rigs. The four cores and eight threads are sufficient for general office productivity, software development, and CAD viewing. However, its lower clock speeds mean it might feel sluggish compared to contemporary desktop CPUs in intensive applications like 3D rendering. The ECC memory support is a key advantage for workstations requiring high data integrity. This particular Xeon E3 chip is best suited for a dedicated terminal server or a light-duty engineering station. You wouldn't want to use it for video editing, but for running multiple virtual desktops it performs adequately. It’s about reliability and stability over raw speed.

Evaluating the price-to-performance ratio of the E3-1278L v4 requires looking at its original $449 launch price. For a low-power Xeon, that was a premium asking price focused on its server-grade features and ECC memory support. Compared to a consumer desktop CPU from the same era, you were paying more for stability and certification. The value really depends on your specific need for a low-TDP, reliable processor for a 24/7 system. If your project demands a certified server component with ECC support, the Intel Xeon E3-1278L v4 could be justified. Otherwise, a standard desktop part might offer better performance for the money. It was never a champion of raw value for typical users.

The platform requirements for the Intel Xeon E3-1278L v4 are quite specific due to its BGA 1364 socket. This means the CPU is soldered directly onto the motherboard, so you cannot upgrade or replace it independently. You'll need to find a pre-built system or a motherboard specifically designed for this Broadwell-DT generation chip. Support for ECC unbuffered memory is a must to utilize one of its key features. This limits your choices to server or workstation-grade motherboards, which can be more expensive. Planning a build around this Xeon E3 processor is about selecting an entire integrated platform. It’s not a DIY-friendly component like a standard LGA socket CPU.

The AMD Equivalent of Xeon E3-1278L v4

Looking for a similar processor from AMD? The AMD Ryzen 5 1400 offers comparable performance and features in the AMD lineup.

AMD Ryzen 5 1400

AMD β€’ 4 Cores

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