Xeon W-11855M vs 5140

Primary details

Comparing Xeon 5140 and Xeon W-11855M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2837	682
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.27	no data
Market segment	Server	Server
Series	no data	Intel Tiger Lake
Power efficiency	0.79	30.88
Architecture codename	Woodcrest (2006)	Tiger Lake-H (2021)
Release date	June 2006 (18 years ago)	11 May 2021 (3 years ago)
Launch price (MSRP)	$15	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon 5140 and Xeon W-11855M 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	2 (Dual-core)	6 (Hexa-Core)
Threads	2	12
Base clock speed	2.33 GHz	3.2 GHz
Boost clock speed	2.33 GHz	4.9 GHz
Bus rate	no data	8 GT/s
L1 cache	0 KB	96K (per core)
L2 cache	4 MB	1.25 MB (per core)
L3 cache	0 KB	18 MB (shared)
Chip lithography	65 nm	10 nm SuperFin
Maximum core temperature	65 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	B2=1.0V-1.5V, G0=.85V-1.5V	no data

Compatibility

Information on Xeon 5140 and Xeon W-11855M 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
Socket	LGA771	FCBGA1787
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon 5140 and Xeon W-11855M. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
FMA	-	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	no data	+
SIPP	-	+
Demand Based Switching	-	no data
Turbo Boost Max 3.0	no data	+
FSB parity	+	no data
Deep Learning Boost	-	+

Security technologies

Xeon 5140 and Xeon W-11855M technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data
Secure Key	no data	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon 5140 and Xeon W-11855M are enumerated here.

VT-d	no data	+
VT-x	+	+
EPT	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon 5140 and Xeon W-11855M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR4
Maximum memory size	no data	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	51.2 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video	-	+
Graphics max frequency	no data	1.45 GHz
Execution Units	no data	32

Graphics interfaces

Available interfaces and connections of Xeon 5140 and Xeon W-11855M integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Xeon 5140 and Xeon W-11855M integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096x2304@60Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	7680x4320@60Hz

Graphics API support

APIs supported by Xeon 5140 and Xeon W-11855M integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Xeon 5140 and Xeon W-11855M.

PCIe version	no data	4.0
PCI Express lanes	no data	20

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.

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Pros & cons summary

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Performance score	0.54	11.41
Physical cores	2	6
Threads	2	12
Chip lithography	65 nm	10 nm
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between Xeon 5140 and Xeon W-11855M, ask them in Comments section, and we shall answer.

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