Xeon Silver 4509Y vs W-10855M

Primary details

Comparing Xeon W-10855M and Xeon Silver 4509Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	934	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Mobile workstation	Server
Series	Intel Comet Lake	no data
Power efficiency	16.74	no data
Architecture codename	Comet Lake-H (2020)	Sapphire Rapids (2023−2024)
Release date	13 May 2020 (4 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$563

Detailed specifications

Xeon W-10855M and Xeon Silver 4509Y 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	6 (Hexa-Core)	8 (Octa-Core)
Threads	12	16
Base clock speed	2.8 GHz	2.6 GHz
Boost clock speed	4.9 GHz	4.1 GHz
Bus rate	8 GT/s	no data
L1 cache	384 KB	80 KB (per core)
L2 cache	1.5 MB	2 MB (per core)
L3 cache	12 MB	22.5 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	no data	84 °C
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon W-10855M and Xeon Silver 4509Y 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	2
Socket	FCBGA1440	FCLGA4677
Power consumption (TDP)	45 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-10855M and Xeon Silver 4509Y. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon W-10855M and Xeon Silver 4509Y technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-10855M and Xeon Silver 4509Y are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-10855M and Xeon Silver 4509Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5 @ 4400 MT/s (1 DPC &2DPC)
Maximum memory size	128 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	45.8 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® UHD Graphics for 10th Gen Intel® Processors	N/A
Quick Sync Video	+	-
Graphics max frequency	1.2 GHz	no data

Graphics interfaces

Available interfaces and connections of Xeon W-10855M and Xeon Silver 4509Y integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Xeon W-10855M and Xeon Silver 4509Y integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@30Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data

Graphics API support

APIs supported by Xeon W-10855M and Xeon Silver 4509Y integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Xeon W-10855M and Xeon Silver 4509Y.

PCIe version	3.0	5
PCI Express lanes	16	80

Pros & cons summary

---

Recency	13 May 2020	14 December 2023
Physical cores	6	8
Threads	12	16
Power consumption (TDP)	45 Watt	125 Watt

---

Should you still have questions on choice between Xeon W-10855M and Xeon Silver 4509Y, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---