Intel Xeon D-1518 vs Intel Xeon D-1531

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CPU comparison with benchmarks


Intel Xeon D-1518 CPU1 vs CPU2 Intel Xeon D-1531
Intel Xeon D-1518 Intel Xeon D-1531

CPU comparison

In this CPU comparison, we compare the Intel Xeon D-1518 and the Intel Xeon D-1531 and use benchmarks to check which processor is faster.

We compare the Intel Xeon D-1518 4 core processor released in Q4/2015 with the Intel Xeon D-1531 which has 6 CPU cores and was introduced in Q4/2015.
Intel Xeon D (79) Family Intel Xeon D (79)
Intel Xeon D-1500 (22) CPU group Intel Xeon D-1500 (22)
1 Generation 1
Broadwell Architecture Broadwell
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon D-1518 is a 4 core processor with a clock frequency of 2.20 GHz. The processor can compute 8 threads at the same time. The Intel Xeon D-1531 clocks with 2.20 GHz (2.70 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

Intel Xeon D-1518 Characteristic Intel Xeon D-1531
4 Cores 6
8 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.20 GHz Frequency 2.20 GHz
-- Turbo Frequency (1 Core) 2.70 GHz
-- Turbo Frequency (All Cores) 2.20 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Xeon D-1518 Characteristic Intel Xeon D-1531
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

Up to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Xeon D-1518, while the Intel Xeon D-1531 supports a maximum of 128 GB of memory with a maximum memory bandwidth of 34.1 GB/s enabled.

Intel Xeon D-1518 Characteristic Intel Xeon D-1531
DDR4-2133 Memory DDR4-2133
128 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
34.1 GB/s Max. Bandwidth 34.1 GB/s
Yes ECC Yes
6.00 MB L2 Cache 9.00 MB
-- L3 Cache --
3.0 PCIe version 3.0
32 PCIe lanes 32
31.5 GB/s PCIe Bandwidth 31.5 GB/s

Thermal Management

The Intel Xeon D-1518 has a TDP of 35 W. The TDP of the Intel Xeon D-1531 is 45 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Xeon D-1518 Characteristic Intel Xeon D-1531
35 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon D-1518 has 6.00 MB cache and is manufactured in 14 nm. The cache of Intel Xeon D-1531 is at 9.00 MB. The processor is manufactured in 14 nm.

Intel Xeon D-1518 Characteristic Intel Xeon D-1531
14 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
BGA 1667 Socket BGA 1667
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q4/2015 Release date Q4/2015
206 $ Release price 356 $
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Xeon D-1518 (79%)
Intel Xeon D-1531 (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Xeon D-1518 (63%)
Intel Xeon D-1531 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Xeon D-1518 Intel Xeon D-1518
4C 8T @ 2.20 GHz
603 (79%)
Intel Xeon D-1531 Intel Xeon D-1531
6C 12T @ 2.70 GHz
766 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Xeon D-1518 Intel Xeon D-1518
4C 8T @ 2.20 GHz
2596 (61%)
Intel Xeon D-1531 Intel Xeon D-1531
6C 12T @ 2.20 GHz
4255 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Xeon D-1518 Intel Xeon D-1518
4C 8T @ 2.20 GHz
4829 (64%)
Intel Xeon D-1531 Intel Xeon D-1531
6C 12T @ 2.20 GHz
7493 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Xeon D-1518 Intel Xeon D-1518
4C 8T @ 2.20 GHz
0 (0%)
Intel Xeon D-1531 Intel Xeon D-1531
6C 12T @ 2.70 GHz
898 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Xeon D-1518 Intel Xeon D-1518
4C 8T @ 2.20 GHz
0 (0%)
Intel Xeon D-1531 Intel Xeon D-1531
6C 12T @ 2.20 GHz
4088 (100%)

Devices using this processor

Intel Xeon D-1518 Intel Xeon D-1531
Unknown Unknown

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