Xeon W-10855M vs i7-6800K

VS

Aggregate performance score

Core i7-6800K
2016
6 cores / 12 threads, 140 Watt
6.76
Xeon W-10855M
2020
6 cores / 12 threads, 45 Watt
7.93
+17.3%

Xeon W-10855M outperforms Core i7-6800K by a moderate 17% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6800K and Xeon W-10855M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1034953
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.69no data
Market segmentDesktop processorMobile workstation
Seriesno dataIntel Comet Lake
Power efficiency4.5716.68
Architecture codenameBroadwell-E (2016)Comet Lake-H (2020)
Release date31 May 2016 (8 years ago)13 May 2020 (4 years ago)
Launch price (MSRP)$345no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-6800K and Xeon W-10855M 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 cores6 (Hexa-Core)6 (Hexa-Core)
Threads1212
Base clock speed3.4 GHz2.8 GHz
Boost clock speed3.8 GHz4.9 GHz
Bus rateno data8 GT/s
L1 cache32 KB (per core)384 KB
L2 cache256 KB (per core)1.5 MB
L3 cache15 MB (shared)12 MB
Chip lithography14 nm14 nm
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i7-6800K and Xeon W-10855M 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 configuration11
SocketFCLGA2011FCBGA1440
Power consumption (TDP)140 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6800K and Xeon W-10855M. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology++
Idle States++
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+
Smart Response+no data
Turbo Boost Max 3.0++

Security technologies

Core i7-6800K and Xeon W-10855M technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6800K and Xeon W-10855M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6800K and Xeon W-10855M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size128 GB128 GB
Max memory channels42
Maximum memory bandwidthno data45.8 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics for 10th Gen Intel Processors
Quick Sync Video-+
Graphics max frequencyno data1.2 GHz

Graphics interfaces

Available interfaces and connections of Core i7-6800K and Xeon W-10855M integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core i7-6800K and Xeon W-10855M integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@30Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Core i7-6800K and Xeon W-10855M integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-6800K and Xeon W-10855M.

PCIe version3.03.0
PCI Express lanes2816

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.

i7-6800K 6.76
Xeon W-10855M 7.93
+17.3%

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.

i7-6800K 10738
Xeon W-10855M 12594
+17.3%

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.

i7-6800K 1236
Xeon W-10855M 1497
+21.1%

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.

i7-6800K 5661
Xeon W-10855M 5901
+4.2%

Gaming performance

Pros & cons summary


Performance score 6.76 7.93
Recency 31 May 2016 13 May 2020
Power consumption (TDP) 140 Watt 45 Watt

Xeon W-10855M has a 17.3% higher aggregate performance score, an age advantage of 3 years, and 211.1% lower power consumption.

The Xeon W-10855M is our recommended choice as it beats the Core i7-6800K in performance tests.

Be aware that Core i7-6800K is a desktop processor while Xeon W-10855M is a mobile workstation one.


Should you still have questions on choice between Core i7-6800K and Xeon W-10855M, ask them in Comments section, and we shall answer.

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Intel Core i7-6800K
Core i7-6800K
Intel Xeon W-10855M
Xeon W-10855M

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Community ratings

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