Xeon E3-1265L v3 vs D-1531

VS

Aggregate performance score

Xeon D-1531
2015
6 cores / 12 threads, 45 Watt
4.78
+22.3%
Xeon E3-1265L v3
2013
4 cores / 8 threads, 45 Watt
3.91

Xeon D-1531 outperforms Xeon E3-1265L v3 by a significant 22% based on our aggregate benchmark results.

Primary details

Comparing Xeon D-1531 and Xeon E3-1265L v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking12581449
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.690.88
Market segmentServerServer
SeriesIntel Xeon Dno data
Power efficiency12.928.22
Architecture codenameBroadwell (2015−2019)Haswell-WS (2013−2014)
Release date1 November 2015 (9 years ago)2 June 2013 (11 years ago)
Launch price (MSRP)$348$710

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon D-1531 has 206% better value for money than Xeon E3-1265L v3.

Detailed specifications

Xeon D-1531 and Xeon E3-1265L v3 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores6 (Hexa-Core)4 (Quad-Core)
Threads128
Base clock speed2.2 GHz2.5 GHz
Boost clock speed2.7 GHz3.7 GHz
Bus typeDMI 2.0no data
Bus rateno data5 GT/s
Multiplier22no data
L1 cache384 KB64 KB (per core)
L2 cache1.5 MB256 KB (per core)
L3 cache9 MB8192 KB (shared)
Chip lithography14 nm22 nm
Die size246.24 mm2160 mm2
Maximum case temperature (TCase)80 °Cno data
Number of transistors3200 Million1,400 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon D-1531 and Xeon E3-1265L v3 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCBGA1667FCLGA1150
Power consumption (TDP)45 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-1531 and Xeon E3-1265L v3. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
SIPP-+
GPIO+no data
FDIno data+
Fast Memory Accessno data+

Security technologies

Xeon D-1531 and Xeon E3-1265L v3 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
Identity Protection-+
OS Guard++
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-1531 and Xeon E3-1265L v3 are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-1531 and Xeon E3-1265L v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR3DDR3, DDR4
Maximum memory size128 GB32 GB
Max memory channels22
Maximum memory bandwidth34.124 GB/s25.6 GB/s
ECC memory support++

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics for 4th Generation Intel Processors
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.2 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Xeon D-1531 and Xeon E3-1265L v3 integrated GPUs.

Number of displays supportedno data3

Peripherals

Specifications and connection of peripherals supported by Xeon D-1531 and Xeon E3-1265L v3.

PCIe version2.0/3.03.0
PCI Express lanes2416
USB revision2.0/3.0no data
Total number of SATA ports6no data
Number of USB ports8no data
Integrated LAN+no data
UART+no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon D-1531 4.78
+22.3%
Xeon E3-1265L v3 3.91

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon D-1531 7592
+22.2%
Xeon E3-1265L v3 6215

Gaming performance

Pros & cons summary


Performance score 4.78 3.91
Recency 1 November 2015 2 June 2013
Physical cores 6 4
Threads 12 8
Chip lithography 14 nm 22 nm

Xeon D-1531 has a 22.3% higher aggregate performance score, an age advantage of 2 years, 50% more physical cores and 50% more threads, and a 57.1% more advanced lithography process.

The Xeon D-1531 is our recommended choice as it beats the Xeon E3-1265L v3 in performance tests.


Should you still have questions on choice between Xeon D-1531 and Xeon E3-1265L v3, ask them in Comments section, and we shall answer.

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Intel Xeon D-1531
Xeon D-1531
Intel Xeon E3-1265L v3
Xeon E3-1265L v3

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Community ratings

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Questions & comments

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