Xeon Platinum 8351N vs E5-1603

Primary details

Comparing Xeon E5-1603 and Xeon Platinum 8351N processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1833	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	1.59	no data
Architecture codename	no data	Ice Lake-SP (2021)
Release date	1 January 2012 (12 years ago)	6 April 2021 (3 years ago)

Detailed specifications

Xeon E5-1603 and Xeon Platinum 8351N 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)	36
Threads	4	72
Base clock speed	2.8 GHz	2.4 GHz
Boost clock speed	no data	3.5 GHz
Bus rate	0 GT/s	no data
L1 cache	no data	64K (per core)
L2 cache	no data	1 MB (per core)
L3 cache	10 MB	54 MB (shared)
Chip lithography	32 nm	10 nm
Maximum core temperature	64 °C	no data
Maximum case temperature (TCase)	no data	76 °C
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	0.6V - 1.35V	no data

Compatibility

Information on Xeon E5-1603 and Xeon Platinum 8351N 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	1
Socket	FCLGA2011	FCLGA4189
Power consumption (TDP)	130 Watt	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-1603 and Xeon Platinum 8351N. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-1603 and Xeon Platinum 8351N technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-1603 and Xeon Platinum 8351N are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-1603 and Xeon Platinum 8351N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	DDR4-2933
Maximum memory size	375 GB	6 TB
Max memory channels	4	8
Maximum memory bandwidth	31.4 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-1603 and Xeon Platinum 8351N.

PCIe version	3.0	4.0
PCI Express lanes	40	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.

---

---

Pros & cons summary

---

Recency	1 January 2012	6 April 2021
Physical cores	4	36
Threads	4	72
Chip lithography	32 nm	10 nm
Power consumption (TDP)	130 Watt	225 Watt

---

Should you still have questions on choice between Xeon E5-1603 and Xeon Platinum 8351N, 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.

---