Xeon E-2126G vs Silver 4215

Primary details

Comparing Xeon Silver 4215 and Xeon E-2126G processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	835	1035
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	13.58	21.31
Market segment	Server	Server
Series	Intel Xeon Silver	Intel Xeon E
Power efficiency	10.12	7.74
Architecture codename	Cascade Lake (2019−2020)	Coffee Lake-S WS (2018−2019)
Release date	2 April 2019 (5 years ago)	12 July 2018 (6 years ago)
Launch price (MSRP)	$794	$255

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E-2126G has 57% better value for money than Xeon Silver 4215.

Detailed specifications

Xeon Silver 4215 and Xeon E-2126G 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	8 (Octa-Core)	6 (Hexa-Core)
Threads	16	6
Base clock speed	2.5 GHz	3.3 GHz
Boost clock speed	3.5 GHz	4.5 GHz
Bus type	no data	DMI 3.0
Bus rate	no data	4 × 8 GT/s
Multiplier	25	no data
L1 cache	512 KB	64 KB (per core)
L2 cache	8 MB	256 KB (per core)
L3 cache	11 MB	12 MB (shared)
Chip lithography	14 nm	14 nm
Die size	no data	154 mm2
Maximum core temperature	77 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Silver 4215 and Xeon E-2126G 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	2 (Multiprocessor)	1 (Uniprocessor)
Socket	FCLGA3647	FCLGA1151
Power consumption (TDP)	85 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4215 and Xeon E-2126G. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	-
TSX	+	+
Idle States	no data	+
Thermal Monitoring	-	+
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	+	-

Security technologies

Xeon Silver 4215 and Xeon E-2126G technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4215 and Xeon E-2126G are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4215 and Xeon E-2126G. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR4-2666
Maximum memory size	1 TB	128 GB
Max memory channels	6	2
Maximum memory bandwidth	115.212 GB/s	42.671 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Xeon Silver 4215 and Xeon E-2126G integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Xeon Silver 4215 and Xeon E-2126G integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Xeon Silver 4215 and Xeon E-2126G integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4215 and Xeon E-2126G.

PCIe version	3.0	3.0
PCI Express lanes	48	16

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.

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Pros & cons summary

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Performance score	9.43	6.79
Recency	2 April 2019	12 July 2018
Physical cores	8	6
Threads	16	6
Power consumption (TDP)	85 Watt	80 Watt

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Should you still have questions on choice between Xeon Silver 4215 and Xeon E-2126G, ask them in Comments section, and we shall answer.

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