Intel Core i3-5157U vs Intel Xeon D-1521

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i3-5157U or Intel Core i3-5157U – 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 Core i3-5157U features 2 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2015 and belongs to the 5 generation of the Intel Core i3 series.
To use the Intel Core i3-5157U, you'll need a motherboard with a BGA 1168 socket.
The Intel Xeon D-1521 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-1521, you'll need a motherboard with a BGA 1667 socket.
Intel Core i3-5157U Name Intel Xeon D-1521
5 Generation 1
Intel Core i 5000U Group Intel Xeon D-1500
Mobile Segment Desktop / Server
Intel Core i3 Family Intel Xeon D
 
 

CPU Cores and Base Frequency

The Intel Core i3-5157U has 2 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i3-5157U is 2.5 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
and turbo frequency for one core is 2.7 GHz.
4 Threads 8
2x Cores 4x
None None 2.7 GHz
Yes Hyperthreading Yes
2 CPU Cores 4
No Overclocking No
None None 2.4 GHz
normal Core architecture normal
2.5 GHz Frequency 2.4 GHz
 
 

Internal Graphics

The Intel Core i3-5157U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i3-5157U uses the Intel Iris Graphics 6100, which has 384 texture shaders
and 48 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Xeon D-1521 does not have integrated graphics.
-- Max. displays --
0.3 GHz GPU frequency --
8 Generation --
14 nm Technology --
Q1/2015 Release date --
48 Execution units --
16.0 GB Max. GPU Memory 0 bytes
Intel Iris Graphics 6100 GPU name
11.2 Direct X --
384 Shaders --
1.0 GHz GPU (Turbo) --
 
 

Artificial Intelligence and Machine Learning

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

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.
Decode VP8 --
No h265 / HEVC (10 bit) --
Decode VC-1 --
Decode JPEG --
No AV1 --
Decode / Encode h264 --
Decode / Encode AVC --
No VP9 --
No h265 / HEVC (8 bit) --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 16.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
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.
DDR3-1600, LPDDR3-1866 Memory type DDR4-2133
Yes AES-NI Yes
25.6 GB/s Bandwidth 34.1 GB/s
No ECC Yes
16.0 GB Max. Memory 128.0 GB
2 Memory channels 2
pci PCIe pci
 
 

Thermal Management

The processor has a thermal design power (TDP) of 28 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.
23 W TDP down None
105 °C Tjunction max --
28 W TDP (PL1 / PBP) 45 W
 
 

Technical details

The Intel Core i3-5157U is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 3.0 MB cache.
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.
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
Technical data sheet Documents Technical data sheet
-- Part Number --
Broadwell U Architecture Broadwell
Q1/2015 Release date Q4/2015
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
-- Release price 216 $
Monolithic Chip design Monolithic
0 bytes L2-Cache 6.0 MB
14 nm Technology 14 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
3.0 MB L3-Cache 0 bytes
BGA 1168 Socket BGA 1667
Windows 10, Linux Operating systems Windows 10, Linux