Xeon Silver 4309Y vs W-2123

Primary details

Comparing Xeon W-2123 and Xeon Silver 4309Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1180	642
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.25	no data
Market segment	Server	Server
Series	Intel Xeon W	no data
Power efficiency	4.21	10.91
Architecture codename	Skylake (server) (2017−2018)	Ice Lake-SP (2021)
Release date	29 August 2017 (7 years ago)	6 April 2021 (3 years ago)
Launch price (MSRP)	$294	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W-2123 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	4 (Quad-Core)	8 (Octa-Core)
Threads	8	16
Base clock speed	3.6 GHz	2.8 GHz
Boost clock speed	3.9 GHz	3.6 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	36	no data
L1 cache	64K (per core)	64K (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	8.25 MB (shared)	12 MB (shared)
Chip lithography	14 nm	10 nm
Die size	484 mm2	no data
Maximum case temperature (TCase)	64 °C	76 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon W-2123 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 (Uniprocessor)	2
Socket	FCLGA2066	FCLGA4189
Power consumption (TDP)	120 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2123 and Xeon Silver 4309Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	-	+

Security technologies

Xeon W-2123 and Xeon Silver 4309Y technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2123 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 W-2123 and Xeon Silver 4309Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666	DDR4-2667
Maximum memory size	512 GB	6 TB
Max memory channels	4	8
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon W-2123 and Xeon Silver 4309Y.

PCIe version	3.0	4.0
PCI Express lanes	48	64

Synthetic benchmark performance

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

---

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.

---

Pros & cons summary

---

Performance score	5.34	12.11
Recency	29 August 2017	6 April 2021
Physical cores	4	8
Threads	8	16
Chip lithography	14 nm	10 nm
Power consumption (TDP)	120 Watt	105 Watt

---

Should you still have questions on choice between Xeon W-2123 and Xeon Silver 4309Y, 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.

---