Xeon 6766E vs Platinum 9221

Primary details

Comparing Xeon Platinum 9221 and Xeon 6766E processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
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)	Sierra Forest (2024)
Release date	2 April 2019 (5 years ago)	3 June 2024 (less than a year ago)
Launch price (MSRP)	no data	$10,257

Detailed specifications

Xeon Platinum 9221 and Xeon 6766E 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)	144
Threads	64	144
Base clock speed	2.3 GHz	1.9 GHz
Boost clock speed	3.7 GHz	2.7 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	21	no data
L1 cache	2 MB	96 KB (per core)
L2 cache	32 MB	4 MB (per module)
L3 cache	71.5 MB (shared)	108 MB (shared)
Chip lithography	14 nm	5 nm
Maximum case temperature (TCase)	no data	84 °C
Number of transistors	8,000 million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon Platinum 9221 and Xeon 6766E 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	4710
Power consumption (TDP)	250 Watt	250 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 9221 and Xeon 6766E. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+

Security technologies

Xeon Platinum 9221 and Xeon 6766E technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 9221 and Xeon 6766E are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 9221 and Xeon 6766E. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5
Maximum memory size	2 TiB	no data
Max memory channels	12	no data
Maximum memory bandwidth	281.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 9221 and Xeon 6766E.

PCIe version	3.0	5.0
PCI Express lanes	no data	88

Pros & cons summary

---

Recency	2 April 2019	3 June 2024
Physical cores	32	144
Threads	64	144
Chip lithography	14 nm	5 nm

---

Should you still have questions on choice between Xeon Platinum 9221 and Xeon 6766E, 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.

---