Xeon Bronze 3508U vs E3-1281 v3

Primary details

Comparing Xeon E3-1281 v3 and Xeon Bronze 3508U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1264	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	5.43	no data
Release date	1 April 2014 (10 years ago)	1 October 2023 (1 year ago)

Detailed specifications

Xeon E3-1281 v3 and Xeon Bronze 3508U 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)	8 (Octa-Core)
Threads	8	8
Base clock speed	3.7 GHz	2.1 GHz
Boost clock speed	4.1 GHz	2.2 GHz
Bus rate	5 GT/s	no data
L3 cache	8 MB Intel® Smart Cache	22.5 MB
Chip lithography	22 nm	Intel 7 nm
Maximum core temperature	no data	83 °C
64 bit support	+	-
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E3-1281 v3 and Xeon Bronze 3508U 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	no data
Socket	FCLGA1150	FCLGA4677
Power consumption (TDP)	82 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1281 v3 and Xeon Bronze 3508U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	no data
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	+	-
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Xeon E3-1281 v3 and Xeon Bronze 3508U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
Identity Protection	+	-
SGX	no data	Yes with Intel® SPS
OS Guard	+	+
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1281 v3 and Xeon Bronze 3508U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1281 v3 and Xeon Bronze 3508U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR5 @ 4400 MT/s (1 DPC &2DPC)
Maximum memory size	32 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1281 v3 and Xeon Bronze 3508U.

PCIe version	3.0	4
PCI Express lanes	16	80

Pros & cons summary

---

Recency	1 April 2014	1 October 2023
Physical cores	4	8
Power consumption (TDP)	82 Watt	125 Watt

---

Should you still have questions on choice between Xeon E3-1281 v3 and Xeon Bronze 3508U, 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.

---