Xeon Silver 4310 vs Platinum 9221

Primary details

Comparing Xeon Platinum 9221 and Xeon Silver 4310 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	491
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon Platinum	no data
Architecture codename	Cascade Lake-AP (2019)	Ice Lake-SP (2021)
Release date	2 April 2019 (5 years ago)	6 April 2021 (3 years ago)

Detailed specifications

Xeon Platinum 9221 and Xeon Silver 4310 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	32 (Dotriaconta-Core)	12 (Dodeca-Core)
Threads	64	24
Base clock speed	2.3 GHz	2.1 GHz
Boost clock speed	3.7 GHz	3.3 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	21	no data
L1 cache	2 MB	64K (per core)
L2 cache	32 MB	1 MB (per core)
L3 cache	71.5 MB (shared)	18 MB (shared)
Chip lithography	14 nm	10 nm
Maximum case temperature (TCase)	no data	82 °C
Number of transistors	8,000 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Platinum 9221 and Xeon Silver 4310 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	8	2
Socket	Intel BGA5903	FCLGA4189
Power consumption (TDP)	250 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 9221 and Xeon Silver 4310. You'll probably need this information if you require some particular technology.

Instruction set extensions	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	+	+
Status	Discontinued	Launched
Deep Learning Boost	-	+

Security technologies

Xeon Platinum 9221 and Xeon Silver 4310 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 9221 and Xeon Silver 4310 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 9221 and Xeon Silver 4310. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-2667
Maximum memory size	2 TiB	6 TB
Max memory channels	12	8
Maximum memory bandwidth	281.6 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 9221 and Xeon Silver 4310.

PCIe version	3.0	4.0
PCI Express lanes	no data	64

Pros & cons summary

---

Recency	2 April 2019	6 April 2021
Physical cores	32	12
Threads	64	24
Chip lithography	14 nm	10 nm
Power consumption (TDP)	250 Watt	120 Watt

---

Should you still have questions on choice between Xeon Platinum 9221 and Xeon Silver 4310, 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.

---