Intel Core i5-520UM vs Intel Xeon W-11865MRE

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CPU comparison with benchmarks


Intel Core i5-520UM CPU1 vs CPU2 Intel Xeon W-11865MRE
Intel Core i5-520UM Intel Xeon W-11865MRE

CPU comparison

Intel Core i5-520UM or Intel Xeon W-11865MRE - 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 Core i5-520UM has 2 cores with 4 threads and clocks with a maximum frequency of 1.87 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Intel Core i5-520UM was released in Q1/2010.

The Intel Xeon W-11865MRE has 8 cores with 16 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Xeon W-11865MRE was released in Q3/2021.
Intel Core i5 (331) Family Intel Xeon W (83)
Intel Core i5 500 (3) CPU group Intel Xeon W-11000M (8)
1 Generation 11
Arrandale Architecture Tiger Lake H
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i5-520UM has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i5-520UM is 1.07 GHz (1.87 GHz) while the Intel Xeon W-11865MRE has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Xeon W-11865MRE is at 2.60 GHz (4.70 GHz).

Intel Core i5-520UM Characteristic Intel Xeon W-11865MRE
2 Cores 8
4 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.07 GHz Frequency 2.60 GHz
1.87 GHz Turbo Frequency (1 Core) 4.70 GHz
-- Turbo Frequency (All Cores) 3.20 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 Core i5-520UM Characteristic Intel Xeon W-11865MRE
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i5-520UM or Intel Xeon W-11865MRE 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.

Intel HD Graphics (Westmere) GPU Intel UHD Graphics 11th Gen (32 EU)
0.50 GHz GPU frequency 0.35 GHz
0.73 GHz GPU (Turbo) 1.35 GHz
5 GPU Generation 11
32 nm Technology 10 nm
2 Max. displays 3
12 Compute units 32
24 Shader 256
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 64 GB
10.1 DirectX Version 12

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.

Intel HD Graphics (Westmere) GPU Intel UHD Graphics 11th Gen (32 EU)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
Decode Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 Decode
Decode Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core i5-520UM can use up to 8 GB of memory in 2 memory channels. The maximum memory bandwidth is 12.8 GB/s. The Intel Xeon W-11865MRE supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s.

Intel Core i5-520UM Characteristic Intel Xeon W-11865MRE
DDR3-800 Memory DDR4-3200
8 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
12.8 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
3.00 MB L2 Cache --
-- L3 Cache 24.00 MB
2.0 PCIe version 4.0
16 PCIe lanes 20
8.0 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i5-520UM is 18 W, while the Intel Xeon W-11865MRE has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i5-520UM Characteristic Intel Xeon W-11865MRE
18 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 35 W
105 °C Tjunction max. 100 °C

Technical details

The Intel Core i5-520UM is manufactured in 32 nm and has 3.00 MB cache. The Intel Xeon W-11865MRE is manufactured in 10 nm and has a 24.00 MB cache.

Intel Core i5-520UM Characteristic Intel Xeon W-11865MRE
32 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
BGA 1288 Socket BGA 1787
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows, Linux Operating systems
Q1/2010 Release date Q3/2021
-- Release price 480 $
show more data show more data


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iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i5-520UM Intel Core i5-520UM
Intel HD Graphics (Westmere) @ 0.73 GHz
35 (5%)
Intel Xeon W-11865MRE Intel Xeon W-11865MRE
Intel UHD Graphics 11th Gen (32 EU) @ 1.35 GHz
691 (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 Core i5-520UM Intel Core i5-520UM
2C 4T @ 1.07 GHz
0 (0%)
Intel Xeon W-11865MRE Intel Xeon W-11865MRE
8C 16T @ 3.20 GHz
23717 (100%)

Devices using this processor

Intel Core i5-520UM Intel Xeon W-11865MRE
Unknown Unknown

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