Xeon W-11855M vs E3-1505M v6

Primary details

Comparing Xeon E3-1505M v6 and Xeon W-11855M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1184	620
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.42	41.98
Market segment	Mobile workstation	Server
Series	Intel Xeon E3	Intel Tiger Lake
Architecture codename	Kaby Lake (2016−2019)	Tiger Lake-H (2021)
Release date	3 January 2017 (7 years ago)	11 May 2021 (3 years ago)
Launch price (MSRP)	$623	no data
Current price	$2850 (4.6x MSRP)	$397

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-11855M has 9895% better value for money than Xeon E3-1505M v6.

Detailed specifications

Xeon E3-1505M v6 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	4 (Quad-Core)	6 (Hexa-Core)
Threads	8	12
Base clock speed	3 GHz	3.2 GHz
Boost clock speed	4 GHz	4.9 GHz
L1 cache	256 KB	96K (per core)
L2 cache	1 MB	1.25 MB (per core)
L3 cache	8 MB	18 MB (shared)
Chip lithography	14 nm	10 nm SuperFin
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon E3-1505M v6 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	FCBGA1440	FCBGA1787
Power consumption (TDP)	45 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1505M v6 and Xeon W-11855M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	no data	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	+
SIPP	+	+
Smart Response	+	no data
Turbo Boost Max 3.0	no data	+
Status	Launched	Discontinued

Security technologies

Xeon E3-1505M v6 and Xeon W-11855M technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
Secure Key	+	+
MPX	+	no data
Identity Protection	+	no data
SGX	Yes with Intel® ME	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1505M v6 and Xeon W-11855M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1505M v6 and Xeon W-11855M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4
Maximum memory size	64 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	37.5 GB/s	51.2 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics P630	Intel® UHD Graphics for 11th Gen Intel® Processors
Max video memory	1.7 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	1.45 GHz
Execution Units	no data	32
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1505M v6 and Xeon W-11855M integrated GPUs.

Number of displays supported	3	4
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Xeon E3-1505M v6 and Xeon W-11855M integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@30Hz	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz	4096x2304@60Hz
Max resolution over DisplayPort	4096x2304@60Hz	7680x4320@60Hz
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Xeon E3-1505M v6 and Xeon W-11855M integrated GPUs, sometimes API versions are included.

DirectX	12	12.1
OpenGL	4.4	4.6

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1505M v6 and Xeon W-11855M.

PCIe version	3.0	4.0
PCI Express lanes	16	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.

W-11855M outperforms E3-1505M v6 by 143% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	4.84	11.74
Recency	3 January 2017	11 May 2021
Physical cores	4	6
Threads	8	12
Chip lithography	14 nm	10 nm
Power consumption (TDP)	45 Watt	35 Watt

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Should you still have questions on choice between Xeon E3-1505M v6 and Xeon W-11855M, ask them in Comments section, and we shall answer.

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