Xeon W-2191B vs A8-6600K

Primary details

Comparing A8-6600K and Xeon W-2191B processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1867	304
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.47	no data
Market segment	Desktop processor	Server
Series	AMD A-Series (Desktop)	Intel Xeon W
Architecture codename	Richland (2013−2014)	Skylake (server) (2017−2019)
Release date	1 June 2013 (11 years ago)	21 December 2017 (6 years ago)
Launch price (MSRP)	$142	no data
Current price	$67 (0.5x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

A8-6600K and Xeon W-2191B 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 cores	4 (Quad-Core)	18 (Octadeca-Core)
Threads	4	36
Base clock speed	3.9 GHz	2.3 GHz
Boost clock speed	4.2 GHz	4.3 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	192 KB	64K (per core)
L2 cache	4096 KB	1 MB (per core)
L3 cache	0 KB	24.75 MB (shared)
Chip lithography	32 nm	14 nm
Die size	246 mm2	484 mm2
Maximum core temperature	74 °C	no data
Maximum case temperature (TCase)	74 °C	66 °C
Number of transistors	1,178 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on A8-6600K and Xeon W-2191B 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 configuration	1	1 (Uniprocessor)
Socket	FM2	2066
Power consumption (TDP)	100 Watt	140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-6600K and Xeon W-2191B. You'll probably need this information if you require some particular technology.

AES-NI	1	+
FMA	FMA4	no data
AVX	AVX	+
PowerTune	-	no data
TrueAudio	-	no data
PowerNow	+	no data
PowerGating	+	no data
Out-of-band client management	-	no data
VirusProtect	+	no data
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
TSX	no data	+

Security technologies

A8-6600K and Xeon W-2191B technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-6600K and Xeon W-2191B are enumerated here.

AMD-V	+	no data
VT-d	no data	+
VT-x	no data	+
IOMMU 2.0	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-6600K and Xeon W-2191B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	DDR4-2666
Maximum memory size	no data	512 GB
Max memory channels	2	4
Maximum memory bandwidth	no data	85.33 GB/s
ECC memory support	no data	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon HD 8570D	no data
Number of pipelines	256	no data
Enduro	+	no data
Switchable graphics	1	no data
UVD	+	no data
VCE	+	no data

Graphics interfaces

Available interfaces and connections of A8-6600K and Xeon W-2191B integrated GPUs.

DisplayPort	+	no data
HDMI	+	no data

Graphics API support

APIs supported by A8-6600K and Xeon W-2191B integrated GPUs, sometimes API versions are included.

DirectX

DirectX® 11

no data

Peripherals

Specifications and connection of peripherals supported by A8-6600K and Xeon W-2191B.

PCIe version	2.0	3.0
PCI Express lanes	no data	48

Synthetic benchmark performance

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

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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 outperforms A8-6600K by 838% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.95	18.30
Recency	1 June 2013	21 December 2017
Physical cores	4	18
Threads	4	36
Chip lithography	32 nm	14 nm
Power consumption (TDP)	100 Watt	140 Watt

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Should you still have questions on choice between A8-6600K and Xeon W-2191B, ask them in Comments section, and we shall answer.

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