PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Overview

The Xeon W-2191B is manufactured by Intel. It was released in 2015-01-01. It is based on the Skylake (server) (2017−2018) architecture. It features 18 cores and 36 threads. Base frequency is 2.3 GHz, with boost up to 4.3 GHz. L3 cache: 24.75 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 140 Watt. Memory support: DDR4-2666. Passmark benchmark score: 28,362 points. Launch price was $800.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Xeon W-2191B

Xeon W-2195

MSRP: $150|Avg: $5

769%

Xeon 6337P

MSRP: $60|Avg: $5

575%

EPYC 9174F

MSRP: $194|Avg: $30

239%

EPYC 7261

MSRP: $501|Avg: $8

192%

EPYC 9375F

MSRP: $5306|Avg: $108

122%

Xeon E7-8895 v2

MSRP: $6841|Avg: $65

121%

Xeon W-2191B

MSRP: $1333|Avg: $39

100%

EPYC 9135

MSRP: $1214|Avg: $95

84%

Xeon X5660

MSRP: $1219|Avg: $10

82%

#10

EPYC 7543P

MSRP: $2730|Avg: $115

80%

#11

EPYC 7J13

MSRP: $7890|Avg: $150

78%

#12

Xeon E5-2689

MSRP: $1800|Avg: $18

76%

#13

Xeon X5680

MSRP: $450|Avg: $13

73%

#14

Xeon Silver 4114

MSRP: $612|Avg: $30

60%

#15

EPYC 7D12

MSRP: $1000|Avg: $100

58%

#16

Xeon E5-2676 V3

MSRP: $1800|Avg: $36

50%

#17

Ryzen Threadripper PRO 3945WX

MSRP: $1149|Avg: $100

46%

#18

Xeon E5-4620 v2

MSRP: $273|Avg: $30

43%

#19

Xeon W3540

MSRP: $284|Avg: $10

42%

#20

EPYC 7302

MSRP: $978|Avg: $109

42%

#21

Xeon W3530

MSRP: $294|Avg: $10

42%

#22

EPYC 7473X

MSRP: $3900|Avg: $200

41%

Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Xeon W-2191B across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Xeon W-2191B specifications and capabilities.

⚡

Processing Power

The Xeon W-2191B is a 18-core / 36-thread processor based on the Skylake (server) (2017−2018) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 4.3 GHz from a base frequency of 2.3 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 24.75 MB (total) of L3 cache, plus 1 MB (per core) of L2 cache and 64K (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 28,362, placing it in the High-End performance tier as a Legacy generation product.

Specification	Xeon W-2191B
Cores / ThreadsPhysical/logical processing units	18C / 36T
Max Boost ClockPeak single-core speed under boost	4.3 GHz
Base ClockGuaranteed minimum operating frequency	2.3 GHz
ArchitectureCPU microarchitecture design	Skylake (server) (2017−2018)
Process NodeFabrication technology — smaller = more efficient	14 nm
L3 CacheShared cache — reduces memory latency for all cores	24.75 MB (total)
L2 CachePer-core fast cache for frequently accessed data	1 MB (per core)
L1 CacheUltra-fast per-core cache	64K (per core)
Die SizePhysical silicon area of the processor	484 mm2
Bus SpeedData bus frequency	4 × 8 GT/s
64-bit Support	Yes
Windows 11 Compatible	No
PassMark ScoreOverall multi-threaded benchmark score	28,362

🧠

Memory & Platform

The Xeon W-2191B fits into the LGA2066 socket and supports PCIe 3.0 with 48 total PCIe lanes for expansion cards and storage. It supports DDR4-2666 memory at speeds up to DDR4-2666 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 512 GB across 4 channels (dual-channel doubles bandwidth). It supports ECC memory, providing error-correcting capabilities — essential for mission-critical workloads and servers.

Specification	Xeon W-2191B
TypeDesktop or Laptop processor	server
SeriesProduct family	Intel Xeon W
SocketMotherboard socket required	LGA2066
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 3.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion	48
RAM TypeSupported memory standard	DDR4-2666
Max RAM SpeedMaximum officially supported memory frequency	DDR4-2666
Max RAM CapacityMaximum installable memory	512 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel	4
ECC SupportError-Correcting Code memory — prevents data corruption	Yes
Integrated GPUBuilt-in graphics processor	No
Max CPUs in ConfigMulti-socket support for servers	1 (Uniprocessor)

🔧

Advanced Features

The Xeon W-2191B is primarily designed for Workstation. It supports AVX-512 instructions — specialized SIMD operations that significantly accelerate AI inference, scientific computing, and video encoding workloads. Virtualization: VT-x, VT-d — enables running virtual machines efficiently (important for development and server workloads).

Specification	Xeon W-2191B
Primary Use CaseIntended workload category	Workstation
OverclockingWhether CPU clock can be manually increased	🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads	✅ Supported
VirtualizationHardware-assisted virtualization technology	VT-x, VT-d

🌡️

Power & Cooling

The Xeon W-2191B has a rated TDP (Thermal Design Power) of 140 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

Specification	Xeon W-2191B
TDPThermal Design Power — heat output under sustained workload	140 Watt

💰

Value Analysis

At an average price of $39 (MSRP: $1333), the Xeon W-2191B delivers 727 PassMark points per dollar. Performance ranking position: #471 out of all indexed processors.

Specification	Xeon W-2191B
MSRPManufacturer's Suggested Retail Price	$1333
Avg Price (30d)Average market price over the last 30 days	$39
Launch PriceOriginal retail price at launch	$800
Performance RankPosition in overall performance ranking	#471
Release DateLaunch date	2015-01-01
Release Year	2017
DesignerArchitecture designer (e.g. Intel, AMD)	Intel
ManufacturerFabrication foundry (e.g. TSMC)	Intel