Intel Core i7-11700K vs Intel Xeon D-1521

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-11700K or Intel Core i7-11700K – 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 i7-11700K features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q1/2021 and belongs to the 11 generation of the Intel Core i7 series.
To use the Intel Core i7-11700K, you'll need a motherboard with a LGA 1200 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 i 11000 Group Intel Xeon D-1500
11 Generation 1
Intel Core i7-11700K Name Intel Xeon D-1521
Desktop / Server Segment Desktop / Server
Intel Core i7 Family Intel Xeon D
 
 

CPU Cores and Base Frequency

The Intel Core i7-11700K has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i7-11700K is 3.6 GHz
and turbo frequency for one core is 5.0 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
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.
4.5 GHz Turbo Frequency (all cores) 2.4 GHz
5.0 GHz Turbo Frequency (1 core) 2.7 GHz
normal Core architecture normal
3.6 GHz Frequency 2.4 GHz
8 CPU Cores 4
Yes Overclocking No
Yes Hyperthreading Yes
8x Cores 4x
16 Threads 8
 
 

Internal Graphics

The Intel Core i7-11700K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-11700K uses the Intel UHD Graphics 750, which has 256 texture shaders
and 32 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.
1.3 GHz GPU (Turbo) --
14 nm Technology --
12 Direct X --
64.0 GB Max. GPU Memory 0 bytes
32 Execution units --
Q1/2021 Release date --
Intel UHD Graphics 750 GPU name
256 Shaders --
0.35 GHz GPU frequency --
12 Generation --
-- Max. displays --
 
 

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

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 51.2 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.
DDR4-3200 Memory type DDR4-2133
51.2 GB/s Bandwidth 34.1 GB/s
Yes AES-NI Yes
No ECC Yes
pci PCIe pci
128.0 GB Max. Memory 128.0 GB
2 Memory channels 2
 
 

Thermal Management

The processor has a thermal design power (TDP) of 125 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.
95 W TDP down None
125 W TDP (PL1 / PBP) 45 W
100 °C Tjunction max --
 
 

Technical details

The Intel Core i7-11700K 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 16.0 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.
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
14 nm Technology 14 nm
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
-- Part Number --
Monolithic Chip design Monolithic
Q1/2021 Release date Q4/2015
374 $ Release price 216 $
4.0 MB L2-Cache 6.0 MB
Technical data sheet Documents Technical data sheet
16.0 MB L3-Cache 0 bytes
LGA 1200 Socket BGA 1667
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
Rocket Lake S Architecture Broadwell