Xeon E-2478 vs Platinum 9221

Primary details

Comparing Xeon Platinum 9221 and Xeon E-2478 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	314
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	82.54
Market segment	Server	Server
Series	Intel Xeon Platinum	no data
Power efficiency	no data	22.21
Architecture codename	Cascade Lake-AP (2019)	Raptor Lake-S (2023−2024)
Release date	2 April 2019 (5 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$568

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 9221 and Xeon E-2478 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)	8 (Octa-Core)
Threads	64	16
Base clock speed	2.3 GHz	2.8 GHz
Boost clock speed	3.7 GHz	5.2 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	16 GT/s
Multiplier	21	no data
L1 cache	2 MB	80 KB (per core)
L2 cache	32 MB	2 MB (per core)
L3 cache	71.5 MB (shared)	24 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	no data	257 mm2
Maximum core temperature	no data	100 °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 E-2478 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	1
Socket	Intel BGA5903	FCLGA1700
Power consumption (TDP)	250 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 9221 and Xeon E-2478. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon Platinum 9221 and Xeon E-2478 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 9221 and Xeon E-2478 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 E-2478. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5-4800
Maximum memory size	2 TiB	128 GB
Max memory channels	12	2
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 E-2478.

PCIe version	3.0	5
PCI Express lanes	no data	16

Pros & cons summary

---

Recency	2 April 2019	14 December 2023
Physical cores	32	8
Threads	64	16
Power consumption (TDP)	250 Watt	80 Watt

---

Should you still have questions on choice between Xeon Platinum 9221 and Xeon E-2478, 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.

---