Xeon W-2255 vs W-2191B

VS

Aggregate performance score

Xeon W-2191B
2017
18 cores / 36 threads, 140 Watt
17.62
+25.1%
Xeon W-2255
2019
10 cores / 20 threads, 165 Watt
14.09

Xeon W-2191B outperforms Xeon W-2255 by a significant 25% based on our aggregate benchmark results.

Primary details

Comparing Xeon W-2191B and Xeon W-2255 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking349516
Place by popularitynot in top-100not in top-100
Market segmentServerServer
SeriesIntel Xeon Wno data
Power efficiency11.918.08
Architecture codenameSkylake (server) (2017−2018)no data
Release date21 December 2017 (6 years ago)1 October 2019 (5 years ago)

Detailed specifications

Xeon W-2191B 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 cores18 (Octadeca-Core)10 (Deca-Core)
Threads3620
Base clock speed2.3 GHz3.7 GHz
Boost clock speed4.3 GHz4.7 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier23no data
L1 cache64K (per core)no data
L2 cache1 MB (per core)no data
L3 cache24.75 MB (shared)19.25 MB
Chip lithography14 nm14 nm
Die size484 mm2no data
Maximum core temperatureno data62 °C
Maximum case temperature (TCase)66 °Cno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Xeon W-2191B 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
Socket2066FCLGA2066
Power consumption (TDP)140 Watt165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2191B and Xeon W-2255. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX++
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data+
PAEno data46 Bit
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Xeon W-2191B and Xeon W-2255 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2191B and Xeon W-2255 are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2191B and Xeon W-2255. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4-2933
Maximum memory size512 GB1 TB
Max memory channels44
Maximum memory bandwidth85.33 GB/s93.85 GB/s
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Xeon W-2191B and Xeon W-2255.

PCIe version3.03.0
PCI Express lanes4848

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.

Xeon W-2191B 17.62
+25.1%
Xeon W-2255 14.09

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.

Xeon W-2191B 27984
+25%
Xeon W-2255 22384

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.

Xeon W-2191B 1211
Xeon W-2255 1561
+28.9%

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.

Xeon W-2191B 9496
Xeon W-2255 9500
+0%

Gaming performance

Pros & cons summary


Performance score 17.62 14.09
Recency 21 December 2017 1 October 2019
Physical cores 18 10
Threads 36 20
Power consumption (TDP) 140 Watt 165 Watt

Xeon W-2191B has a 25.1% higher aggregate performance score, 80% more physical cores and 80% more threads, and 17.9% lower power consumption.

Xeon W-2255, on the other hand, has an age advantage of 1 year.

The Xeon W-2191B is our recommended choice as it beats the Xeon W-2255 in performance tests.


Should you still have questions on choice between Xeon W-2191B and Xeon W-2255, ask them in Comments section, and we shall answer.

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Intel Xeon W-2191B
Xeon W-2191B
Intel Xeon W-2255
Xeon W-2255

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Community ratings

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Questions & comments

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