INTEL

Intel Xeon E3-1565L v5

Intel processor specifications and benchmark scores

4
Cores
8
Threads
3.5
GHz Boost
35W
TDP
🖥️Integrated GPU 🛡️ECC Memory

Intel Xeon E3-1565L v5 Specifications

⚙️

Xeon E3-1565L v5 Core Configuration

Processing cores and threading

The Intel Xeon E3-1565L v5 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
⏱️

E3-1565L v5 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Xeon E3-1565L v5 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 E3-1565L v5 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.5 GHz
Boost Clock
3.5 GHz
Multiplier
25x
đź’ľ

Intel's Xeon E3-1565L v5 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the E3-1565L v5 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 E3-1565L v5'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
8 MB (shared)
L4 Cache
128 MB (shared)
🏗️

Skylake Architecture & Process

Manufacturing and design details

The Intel Xeon E3-1565L v5 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 E3-1565L v5 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Skylake
Codename
Skylake-H
Process Node
14 nm
Foundry
Intel
Transistors
2,300 million
Die Size
171 mm²
Generation
Xeon E3 (Skylake-H)
🔢

Skylake Instruction Set Features

Supported CPU instructions and extensions

The Xeon E3-1565L v5 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
🔌

E3-1565L v5 Power & Thermal

TDP and power specifications

The Intel Xeon E3-1565L v5 has a TDP (Thermal Design Power) of 35W, 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
35W
Tj Max
100°C
đź”§

Intel BGA 1440 Platform & Socket

Compatibility information

The Xeon E3-1565L v5 uses the Intel BGA 1440 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 1440
PCIe
Gen 3, 16 Lanes(CPU only)
Package
FC-BGA14F
DDR5

Intel BGA 1440 Memory Support

RAM compatibility and speeds

Memory support specifications for the E3-1565L v5 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 E3-1565L v5 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, DDR4
Memory Bus
Dual-channel
Memory Bandwidth
34.1 GB/s
ECC Memory
Supported
🖥️

Intel's Xeon E3-1565L v5 Integrated Graphics

Built-in GPU specifications

The Intel Xeon E3-1565L v5 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 E3-1565L v5 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
Iris Pro Graphics P580
Graphics Model
Iris Pro Graphics P580
📦

Xeon E3-1565L v5 Product Information

Release and pricing details

The Intel Xeon E3-1565L v5 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 E3-1565L v5 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
May 2016
Launch Price
$417
Market
Server/Workstation
Status
End-of-life
Part Number
SR2R8

Xeon E3-1565L v5 Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how Intel Xeon E3-1565L v5 performs in parallel rendering workloads like video production and 3D animation. The R15 version remains useful for comparing against older hardware benchmarks. Higher scores directly correlate with faster render times in Cinema 4D and similar 3D applications.

cinebench_cinebench_r15_multicore #998 of 1788
627
4%
Max: 14,978

cinebench_cinebench_r15_singlecoreSource

Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how Intel Xeon E3-1565L v5 handles tasks that can't be parallelized across multiple cores. Games and many desktop applications still rely heavily on single-thread performance. A higher single-core score means snappier system responsiveness in everyday use.

cinebench_cinebench_r15_singlecore #1002 of 1245
88
4%
Max: 2,114

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on Intel Xeon E3-1565L v5. The more demanding workload provides better differentiation between current-generation processors.

cinebench_cinebench_r20_multicore #998 of 1788
2,614
4%
Max: 62,412
Compare with other CPUs

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of Intel Xeon E3-1565L v5. The increased complexity provides more accurate performance differentiation between modern CPUs.

cinebench_cinebench_r20_singlecore #998 of 1784
369
4%
Max: 8,811

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of Intel Xeon E3-1565L v5 after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss.

cinebench_cinebench_r23_multicore #998 of 1788
6,226
4%
Max: 148,601
Compare with other CPUs

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Xeon E3-1565L v5 maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance.

cinebench_cinebench_r23_singlecore #998 of 1788
879
4%
Max: 20,979

passmark_data_compressionSource

Data compression measures how fast Intel Xeon E3-1565L v5 can compress and decompress files. This is important for archiving, backup software, and file transfer applications. Higher scores mean faster ZIP, RAR, and backup operations.

passmark_data_compression #501 of 528
94,771
2%
Max: 5,427,555
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
5,427,555
#2 AMD EPYC 9845
4,680,013
#3 AMD EPYC 9755
4,517,407
#4 AMD EPYC 9745
3,929,890

passmark_data_encryptionSource

Data encryption tests how fast Intel Xeon E3-1565L v5 can encrypt information using AES and other algorithms. This is critical for security applications, VPNs, and secure communications.

passmark_data_encryption #505 of 528
2,314
1%
Max: 316,606
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
316,606
#2 AMD EPYC 9845
296,808
#3 AMD EPYC 9755
284,927
#4 AMD EPYC 9754
231,891
#5 AMD EPYC 9745
229,447

passmark_extended_instructionsSource

Extended instructions tests Intel Xeon E3-1565L v5 performance using SSE and AVX instruction sets. These specialized instructions accelerate multimedia, scientific, and AI workloads. Video encoding and image processing heavily utilize SIMD capabilities.

passmark_extended_instructions #503 of 528
6,031
2%
Max: 392,159
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
392,159
#2 AMD EPYC 9845
314,798
#3 AMD EPYC 9755
303,321
#4 AMD EPYC 9745
280,477

passmark_find_prime_numbersSource

Find prime numbers tests Intel Xeon E3-1565L v5 ability to identify primes through intensive calculations. This is a pure computational benchmark that stresses CPU arithmetic units without memory bottlenecks. The test reveals raw mathematical processing capability. Higher scores indicate superior arithmetic throughput independent of memory subsystem performance.

passmark_find_prime_numbers #448 of 528
43
2%
Max: 2,422
Compare with other CPUs

passmark_floating_point_mathSource

Floating point math measures how Intel Xeon E3-1565L v5 handles decimal calculations critical for scientific computing and 3D rendering. This affects performance in CAD and physics simulations. Game physics engines also rely heavily on floating point operations.

passmark_floating_point_math #500 of 528
14,547
1%
Max: 1,141,430
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
1,141,430
#2 AMD EPYC 9845
978,377
#3 AMD EPYC 9755
922,900
#4 AMD EPYC 9745
761,219
#5 AMD EPYC 9655P
710,260

passmark_integer_mathSource

Integer math tests how fast Intel Xeon E3-1565L v5 processes whole number calculations essential for database operations and compression algorithms. This is fundamental to general computing performance.

passmark_integer_math #503 of 528
23,335
1%
Max: 1,806,439
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
1,806,439
#2 AMD EPYC 9845
1,687,531
#3 AMD EPYC 9755
1,549,946
#4 AMD EPYC 9745
1,224,315

passmark_multithreadSource

PassMark multi-thread tests Intel Xeon E3-1565L v5 across integer math, floating point, compression, and encryption using all cores. This provides an overall multi-threaded CPU performance score.

passmark_multithread #499 of 528
7,325
4%
Max: 174,825
Compare with other CPUs

passmark_physicsSource

Physics tests how Intel Xeon E3-1565L v5 handles physics simulations used in games and engineering software. This measures performance in calculating object interactions and movements. Games with complex physics benefit from higher scores.

passmark_physics #436 of 528
794
3%
Max: 27,806
Compare with other CPUs

passmark_random_string_sortingSource

Random string sorting measures how fast Intel Xeon E3-1565L v5 can organize text data. This is important for database operations, search indexing, and data processing applications. Applications that process large amounts of text benefit from higher scores.

passmark_random_string_sorting #500 of 528
11,543
2%
Max: 609,901
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
609,901
#2 AMD EPYC 9755
571,185
#3 AMD EPYC 9845
538,060
#4 AMD EPYC 9745
468,975
#5 AMD EPYC 9655P
455,310

passmark_single_threadSource

PassMark single-thread measures per-core performance of Intel Xeon E3-1565L v5 across various computational tasks. This score is critical for gaming and single-threaded applications. Higher scores mean better system responsiveness in everyday use. Many legacy applications and games still depend heavily on single-thread speed.

passmark_single_thread #518 of 528
1,970
39%
Max: 5,097
Compare with other CPUs

passmark_singlethreadSource

PassMark single-thread measures per-core performance of Intel Xeon E3-1565L v5 across various computational tasks. This score is critical for gaming and single-threaded applications.

passmark_singlethread #518 of 528
1,970
39%
Max: 5,097
Compare with other CPUs

About Intel Xeon E3-1565L v5

The Intel Xeon E3-1565L v5 belongs to the Skylake‑H family, marking the fifth generation of Xeon E3 processors built on a 14 nm process. Its BGA‑1440 socket design targets compact workstations and edge‑computing devices where space is at a premium. With four physical cores and eight threads, the chip balances power efficiency and multi‑tasking capability. A base frequency of 2.50 GHz and a turbo boost up to 3.50 GHz give it enough headroom for bursty workloads without exceeding its modest 35 W TDP. The 8 MB shared L3 cache further reduces latency for data‑intensive operations, making the architecture feel cohesive under load.

In real‑world testing the Intel's E3-1565L delivers a PassMark compression score of 94,771 points, indicating strong handling of archive and video encoding tasks. Its integer math performance sits at 23,335 points, which is respectable for a low‑TDP part and translates to snappy response in database indexing. Floating‑point calculations reach 14,547 points, enough for modest CAD rendering and scientific simulations. The random string sorting benchmark of 11,543 points shows the CPU can keep up with memory‑bound workloads typical in log processing. Multithreaded workloads score 7,325 points, reflecting the benefit of eight logical threads despite the modest core count. When paired with DDR4‑2400 memory, the processor often exceeds its advertised turbo frequency in sustained scenarios, thanks to the efficient 14 nm silicon.

The Xeon E3-1565L is aimed at small‑to‑medium business servers, network appliances, and industrial PCs that demand reliability without a hefty power bill. Its 35 W envelope makes it ideal for fan‑less or low‑noise chassis, a key factor for edge deployments in retail or healthcare environments. Compared with the higher‑end Xeon E3‑1585L, the L variant sacrifices a few gigahertz of raw speed but gains a lower price point of $417 at launch. For users looking to future‑proof, the BGA socket limits direct CPU swaps, so a motherboard upgrade may be required to move to newer generations like Ice Lake or Sapphire Rapids. Nonetheless, the combination of solid single‑core performance, decent multithreaded scores, and a generous cache makes the E3-1565L a compelling upgrade over legacy Sandy Bridge or older mobile CPUs. When paired with a fast NVMe SSD and ample ECC‑enabled RAM, the platform can comfortably handle virtualization workloads with two to three VMs running concurrently.

The AMD Equivalent of Xeon E3-1565L v5

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 • 4 Cores

View Specs Compare

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