Xeon W-2255 vs i7-6500U

Aggregate performance score

Core i7-6500U
2015
2 cores / 4 threads, 15 Watt
2.06
Xeon W-2255
2019
10 cores / 20 threads, 165 Watt
14.09
+584%

Xeon W-2255 outperforms Core i7-6500U by a whopping 584% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6500U and Xeon W-2255 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1890516
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesIntel Core i7no data
Power efficiency13.008.08
Architecture codenameSkylake (2015−2016)no data
Release date1 September 2015 (9 years ago)1 October 2019 (5 years ago)
Launch price (MSRP)$393no data

Detailed specifications

Core i7-6500U and Xeon W-2255 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)10 (Deca-Core)
Threads420
Base clock speed2.5 GHz3.7 GHz
Boost clock speed3.1 GHz4.7 GHz
Bus typeOPIno data
Bus rate4 GT/s8 GT/s
Multiplier25no data
L1 cache128 KBno data
L2 cache512 KBno data
L3 cache4 MB19.25 MB
Chip lithography14 nm14 nm
Die size98.57 mm2no data
Maximum core temperature100 °C62 °C
Number of transistors1750 Millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i7-6500U and Xeon W-2255 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCBGA1356FCLGA2066
Power consumption (TDP)15 Watt165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6500U and Xeon W-2255. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX+-
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Smart Response+no data
Demand Based Switchingno data+
PAEno data46 Bit
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core i7-6500U and Xeon W-2255 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
MPX++
Identity Protection++
SGXYes with Intel® ME-
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6500U and Xeon W-2255 are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6500U and Xeon W-2255. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4-2933
Maximum memory size32 GB1 TB
Max memory channels24
Maximum memory bandwidth34.134 GB/s93.85 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 520no data
Max video memory32 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.05 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-6500U and Xeon W-2255 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-6500U and Xeon W-2255 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i7-6500U and Xeon W-2255 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-6500U and Xeon W-2255.

PCIe version3.03.0
PCI Express lanes1248

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-6500U 2.06
Xeon W-2255 14.09
+584%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-6500U 3275
Xeon W-2255 22384
+583%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-6500U 719
Xeon W-2255 1560
+117%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-6500U 1641
Xeon W-2255 9447
+476%

Gaming performance

Pros & cons summary


Performance score 2.06 14.09
Recency 1 September 2015 1 October 2019
Physical cores 2 10
Threads 4 20
Power consumption (TDP) 15 Watt 165 Watt

i7-6500U has 1000% lower power consumption.

Xeon W-2255, on the other hand, has a 584% higher aggregate performance score, an age advantage of 4 years, and 400% more physical cores and 400% more threads.

The Xeon W-2255 is our recommended choice as it beats the Core i7-6500U in performance tests.

Be aware that Core i7-6500U is a notebook processor while Xeon W-2255 is a server/workstation one.


Should you still have questions on choice between Core i7-6500U and Xeon W-2255, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-6500U
Core i7-6500U
Intel Xeon W-2255
Xeon W-2255

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Community ratings

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Questions & comments

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