Intel Xeon D-1736NT vs Intel Xeon D-1521

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CPU comparison with benchmarks


Intel Xeon D-1736NT CPU1 vs CPU2 Intel Xeon D-1521
Intel Xeon D-1736NT Intel Xeon D-1521

CPU comparison

Intel Xeon D-1736NT or Intel Xeon D-1521 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Xeon D-1736NT has 8 cores with 16 threads and clocks with a maximum frequency of 3.50 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Xeon D-1736NT was released in Q1/2022.

The Intel Xeon D-1521 has 4 cores with 8 threads and clocks with a maximum frequency of 2.70 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Xeon D-1521 was released in Q4/2015.
Intel Xeon D (79) Family Intel Xeon D (79)
Intel Xeon D-1700 (20) CPU group Intel Xeon D-1500 (22)
4 Generation 1
Ice Lake Architecture Broadwell
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon D-1736NT has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Xeon D-1736NT is 2.70 GHz (3.50 GHz) while the Intel Xeon D-1521 has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Xeon D-1521 is at 2.40 GHz (2.70 GHz).

Intel Xeon D-1736NT Characteristic Intel Xeon D-1521
8 Cores 4
16 Threads 8
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.70 GHz Frequency 2.40 GHz
3.50 GHz Turbo Frequency (1 Core) 2.70 GHz
3.10 GHz Turbo Frequency (All Cores) 2.40 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Xeon D-1736NT Characteristic Intel Xeon D-1521
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Xeon D-1736NT or Intel Xeon D-1521 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

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

The Intel Xeon D-1736NT can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 42.7 GB/s. The Intel Xeon D-1521 supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 34.1 GB/s.

Intel Xeon D-1736NT Characteristic Intel Xeon D-1521
DDR4-2666 Memory DDR4-2133
256 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
42.7 GB/s Max. Bandwidth 34.1 GB/s
Yes ECC Yes
15.00 MB L2 Cache 6.00 MB
-- L3 Cache --
4.0 PCIe version 3.0
16 PCIe lanes 32
31.5 GB/s PCIe Bandwidth 31.5 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon D-1736NT is 67 W, while the Intel Xeon D-1521 has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Xeon D-1736NT Characteristic Intel Xeon D-1521
67 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon D-1736NT is manufactured in 10 nm and has 15.00 MB cache. The Intel Xeon D-1521 is manufactured in 14 nm and has a 6.00 MB cache.

Intel Xeon D-1736NT Characteristic Intel Xeon D-1521
10 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2
BGA 2227 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
Q1/2022 Release date Q4/2015
951 $ Release price 216 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Xeon D-1736NT (100%)
Intel Xeon D-1521 (68%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Xeon D-1736NT (100%)
Intel Xeon D-1521 (57%)

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-1736NT Intel Xeon D-1736NT
8C 16T @ 3.50 GHz
1336 (100%)
Intel Xeon D-1521 Intel Xeon D-1521
4C 8T @ 2.70 GHz
912 (68%)

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-1736NT Intel Xeon D-1736NT
8C 16T @ 3.10 GHz
4128 (100%)
Intel Xeon D-1521 Intel Xeon D-1521
4C 8T @ 2.40 GHz
3327 (81%)

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-1736NT Intel Xeon D-1736NT
8C 16T @ 3.10 GHz
17842 (100%)
Intel Xeon D-1521 Intel Xeon D-1521
4C 8T @ 2.40 GHz
5894 (33%)

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-1736NT Intel Xeon D-1736NT
8C 16T @ 3.50 GHz
0 (0%)
Intel Xeon D-1521 Intel Xeon D-1521
4C 8T @ 2.70 GHz
748 (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-1736NT Intel Xeon D-1736NT
8C 16T @ 3.10 GHz
0 (0%)
Intel Xeon D-1521 Intel Xeon D-1521
4C 8T @ 2.40 GHz
3163 (100%)

Devices using this processor

Intel Xeon D-1736NT Intel Xeon D-1521
Unknown Unknown

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