Xeon D-1581 vs E-2146G

General info

Comparing Xeon E-2146G and Xeon D-1581 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	808	805
Place by popularity	not in top-100	not in top-100
Value for money	6.13	2.63
Market segment	Server	Server
Series	Intel Xeon E	Intel Xeon D
Architecture codename	Coffee Lake (2017−2019)	Broadwell (2015−2019)
Release date	12 July 2018 (5 years ago)	24 February 2016 (8 years ago)
Launch price (MSRP)	$311	no data
Current price	$988 (3.2x MSRP)	$728

Value for money

Performance per price, higher is better.

Xeon E-2146G has 133% better value for money than Xeon D-1581.

Technical specs

Xeon E-2146G and Xeon D-1581 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	6 (Hexa-Core)	16 (Hexadeca-Core)
Threads	12	32
Base clock speed	3.5 GHz	1.8 GHz
Boost clock speed	4.5 GHz	2.4 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	384 KB	64K (per core)
L2 cache	1.5 MB	256K (per core)
L3 cache	12 MB	1.5 MB (per core)
Chip lithography	14 nm	14 nm
Die size	no data	306.18 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	no data	80 °C
Number of transistors	no data	3,200 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E-2146G and Xeon D-1581 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	FCLGA1151	FCBGA1667
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E-2146G and Xeon D-1581. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
GPIO	no data	+
Status	Discontinued	Launched

Security technologies

Xeon E-2146G and Xeon D-1581 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	+	no data
SGX	Yes with Intel® ME	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E-2146G and Xeon D-1581 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E-2146G and Xeon D-1581. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4, DDR3
Maximum memory size	128 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	41.6 GB/s	34.124 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics P630	no data
Max video memory	128 GB	no data
Quick Sync Video	+	no data
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.15 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E-2146G and Xeon D-1581 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Xeon E-2146G and Xeon D-1581 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2160@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Xeon E-2146G and Xeon D-1581 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E-2146G and Xeon D-1581.

PCIe version	3.0	2.0/3.0
PCI Express lanes	16	32
USB revision	no data	2.0/3.0
Total number of SATA ports	no data	6
Number of USB ports	no data	8
Integrated LAN	no data	+
UART	no data	+

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Advantages and disadvantages

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Performance score	8.58	8.59
Recency	12 July 2018	24 February 2016
Physical cores	6	16
Threads	12	32
Power consumption (TDP)	80 Watt	65 Watt

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Should you still have questions on choice between Xeon E-2146G and Xeon D-1581, ask them in Comments section, and we shall answer.

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