Xeon Platinum 9282 vs E5420

Primary details

Comparing Xeon E5420 and Xeon Platinum 9282 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2283	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	no data	Intel Xeon Platinum
Power efficiency	1.50	no data
Architecture codename	no data	Cascade Lake-AP (2019)
Release date	1 October 2007 (17 years ago)	2 April 2019 (5 years ago)

Detailed specifications

Xeon E5420 and Xeon Platinum 9282 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	no data	56 (Hexapentaconta-Core)
Threads	no data	112
Base clock speed	2.5 GHz	2.6 GHz
Boost clock speed	no data	3.8 GHz
Bus type	no data	DMI 3.0
Bus rate	no data	4 × 8 GT/s
Multiplier	no data	26
L1 cache	no data	64K (per core)
L2 cache	no data	1 MB (per core)
L3 cache	12 MB L2 Cache	77 MB (shared)
Chip lithography	45 nm	14 nm
Maximum core temperature	67 °C	no data
Number of transistors	no data	8,000 million
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Xeon E5420 and Xeon Platinum 9282 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	no data	8
Socket	LGA771	Intel BGA5903
Power consumption (TDP)	80 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5420 and Xeon Platinum 9282. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AVX-512
AES-NI	-	+
FMA	-	+
AVX	-	+
PowerNow	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
SIPP	-	+
Demand Based Switching	+	no data
FSB parity	+	no data
Precision Boost 2	no data	+

Security technologies

Xeon E5420 and Xeon Platinum 9282 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5420 and Xeon Platinum 9282 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5420 and Xeon Platinum 9282. Depending on the motherboard, higher memory frequencies may be supported.

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

Pros & cons summary

---

Recency	1 October 2007	2 April 2019
Chip lithography	45 nm	14 nm
Power consumption (TDP)	80 Watt	400 Watt

---

Should you still have questions on choice between Xeon E5420 and Xeon Platinum 9282, 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.

---