Xeon Platinum 8581V vs E3-1246 v3

Primary details

Comparing Xeon E3-1246 v3 and Xeon Platinum 8581V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1287	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	5.17	no data
Architecture codename	no data	Emerald Rapids (2023)
Release date	1 April 2014 (10 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$7,568

Detailed specifications

Xeon E3-1246 v3 and Xeon Platinum 8581V 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)	60 (Hexaconta-Core)
Threads	8	120
Base clock speed	3.5 GHz	2 GHz
Boost clock speed	3.9 GHz	3.9 GHz
Bus rate	5 GT/s	no data
L1 cache	no data	80 KB (per core)
L2 cache	no data	2 MB (per core)
L3 cache	8 MB Intel® Smart Cache	300 MB (shared)
Chip lithography	22 nm	Intel 7 nm
Die size	no data	2x 763 mm2
Maximum case temperature (TCase)	no data	74 °C
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E3-1246 v3 and Xeon Platinum 8581V 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	FCLGA1150	FCLGA4677
Power consumption (TDP)	84 Watt	270 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1246 v3 and Xeon Platinum 8581V. 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	+	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
My WiFi	-	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	+	-
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Xeon E3-1246 v3 and Xeon Platinum 8581V 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 E3-1246 v3 and Xeon Platinum 8581V are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1246 v3 and Xeon Platinum 8581V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR5 @ 4800 MT/s (1 DPC)
Maximum memory size	32 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	N/A
Max video memory	1.7 GB	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.2 GHz	no data
Execution Units	20	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1246 v3 and Xeon Platinum 8581V integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
VGA	+	no data

Graphics image quality

Maximum display resolutions supported by Xeon E3-1246 v3 and Xeon Platinum 8581V integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	2880x1800@60Hz	no data

Graphics API support

APIs supported by Xeon E3-1246 v3 and Xeon Platinum 8581V integrated GPUs, sometimes API versions are included.

DirectX	11.2	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1246 v3 and Xeon Platinum 8581V.

PCIe version	3.0	5.0
PCI Express lanes	16	80

Pros & cons summary

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Recency	1 April 2014	14 December 2023
Physical cores	4	60
Threads	8	120
Power consumption (TDP)	84 Watt	270 Watt

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Should you still have questions on choice between Xeon E3-1246 v3 and Xeon Platinum 8581V, ask them in Comments section, and we shall answer.

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