Xeon Silver 4309Y vs D-2191

Primary details

Comparing Xeon D-2191 and Xeon Silver 4309Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	582
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	7.64
Market segment	Server	Server
Series	Intel Xeon D	no data
Architecture codename	Skylake (server) (2017−2019)	Ice Lake-SP (2021)
Release date	7 February 2018 (6 years ago)	6 April 2021 (3 years ago)
Launch price (MSRP)	$2,406	no data
Current price	$146 (0.1x MSRP)	$2293

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon D-2191 and Xeon Silver 4309Y 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	18 (Octadeca-Core)	8 (Octa-Core)
Threads	36	16
Base clock speed	1.6 GHz	2.8 GHz
Boost clock speed	3 GHz	3.6 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	1.125 MB	64K (per core)
L2 cache	18 MB	1 MB (per core)
L3 cache	24.75 MB	12 MB (shared)
Chip lithography	14 nm	10 nm
Maximum core temperature	no data	76 °C
Maximum case temperature (TCase)	no data	76 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon D-2191 and Xeon Silver 4309Y 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	FCBGA2518	FCLGA4189
Power consumption (TDP)	86 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-2191 and Xeon Silver 4309Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	-	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	no data
Turbo Boost Max 3.0	-	no data
Status	Launched	Launched

Security technologies

Xeon D-2191 and Xeon Silver 4309Y technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-2191 and Xeon Silver 4309Y are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-2191 and Xeon Silver 4309Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-2667
Maximum memory size	512 GB	6 TB
Max memory channels	4	8
Maximum memory bandwidth	76.805 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon D-2191 and Xeon Silver 4309Y.

PCIe version	3.0	4.0
PCI Express lanes	32	64

Pros & cons summary

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Recency	7 February 2018	6 April 2021
Physical cores	18	8
Threads	36	16
Chip lithography	14 nm	10 nm
Power consumption (TDP)	86 Watt	105 Watt

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Should you still have questions on choice between Xeon D-2191 and Xeon Silver 4309Y, ask them in Comments section, and we shall answer.

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