Intel Xeon D-1527 vs Intel Xeon D-1521

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Xeon D-1527 or Intel Xeon D-1527 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Xeon D-1527 features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2015 and belongs to the 1 generation of the Intel Xeon D series.
To use the Intel Xeon D-1527, you'll need a motherboard with a BGA 1667 socket.
The Intel Xeon D-1521 features 4 processor cores and has the capability to manage 8 threads concurrently.
To use the Intel Xeon D-1521, you'll need a motherboard with a BGA 1667 socket.
1 Generation 1
Intel Xeon D-1527 Name Intel Xeon D-1521
Intel Xeon D Family Intel Xeon D
Desktop / Server Segment Desktop / Server
Intel Xeon D-1500 Group Intel Xeon D-1500
 
 

CPU Cores and Base Frequency

The Intel Xeon D-1527 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Xeon D-1527 is 2.2 GHz
and turbo frequency for one core is 2.7 GHz.
The Intel Xeon D-1521 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Xeon D-1521 is 2.4 GHz
8 Threads 8
Yes Hyperthreading Yes
2.2 GHz Turbo Frequency (all cores) 2.4 GHz
2.2 GHz Frequency 2.4 GHz
4 CPU Cores 4
normal Core architecture normal
2.7 GHz Turbo Frequency (1 core) 2.7 GHz
4x Cores 4x
No Overclocking No
 
 

Internal Graphics

The Intel Xeon D-1527 does not have integrated graphics.
The Intel Xeon D-1521 does not have integrated graphics.
GPU name
-- Shaders --
-- Technology --
-- GPU frequency --
-- Execution units --
-- GPU (Turbo) --
-- Direct X --
-- Generation --
0 bytes Max. GPU Memory 0 bytes
-- Release date --
-- Max. displays --
 
 

Artificial Intelligence and Machine Learning

-- AI hardware --
-- AI specifications --
 
 

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.
-- JPEG --
-- AV1 --
-- VC-1 --
-- h265 / HEVC (10 bit) --
-- h265 / HEVC (8 bit) --
-- h264 --
-- VP8 --
-- AVC --
-- VP9 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 34.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Yes AES-NI Yes
Yes ECC Yes
pci PCIe pci
DDR4-2133 Memory type DDR4-2133
2 Memory channels 2
128.0 GB Max. Memory 128.0 GB
34.1 GB/s Bandwidth 34.1 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 35 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 45 W watts.
-- Tjunction max --
35 W TDP (PL1 / PBP) 45 W
 
 

Technical details

The Intel Xeon D-1527 is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Xeon D-1521 is manufactured using a 14 nm process.
228 $ Release price 216 $
14 nm Technology 14 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
Technical data sheet Documents Technical data sheet
6.0 MB L2-Cache 6.0 MB
0 bytes L3-Cache 0 bytes
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
-- Part Number --
Monolithic Chip design Monolithic
BGA 1667 Socket BGA 1667
Broadwell Architecture Broadwell
Q4/2015 Release date Q4/2015
Windows 10, Linux Operating systems Windows 10, Linux
 
 

Benchmarks

Geekbench 6 (Multi-Core)

Intel Xeon D-1521
4C 8T @ 2.4 GHz
3327
3327
Intel Xeon D-1527
4C 8T @ 2.2 GHz
3011
3011

Geekbench 5, 64bit (Multi-Core)

Intel Xeon D-1521
4C 8T @ 2.4 GHz
3163
3163
Intel Xeon D-1527
4C 8T @ 2.2 GHz
2963
2963

Geekbench 6 (Single-Core)

Intel Xeon D-1521
4C 8T @ 2.4 GHz
912
912
Intel Xeon D-1527
4C 8T @ 2.2 GHz
821
821