Core i5-12400T vs Xeon E3-1585 v5

Primary details

Comparing Xeon E3-1585 v5 and Core i5-12400T processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1097	698
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.78	no data
Market segment	Server	Desktop processor
Series	Intel Xeon E3	no data
Architecture codename	Skylake (2015−2016)	Alder Lake-S (2022)
Release date	31 May 2016 (8 years ago)	January 2022 (2 years ago)
Launch price (MSRP)	$556	no data
Current price	$979 (1.8x MSRP)	$165

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1585 v5 and Core i5-12400T 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)	6 (Hexa-Core)
Threads	8	12
Base clock speed	3.5 GHz	1.8 GHz
Boost clock speed	3.9 GHz	4.2 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	256 KB	80K (per core)
L2 cache	1 MB	1.25 MB (per core)
L3 cache	8 MB	18 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	no data	163 mm2
Maximum core temperature	100 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon E3-1585 v5 and Core i5-12400T 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	FCBGA1440	FCLGA1700
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1585 v5 and Core i5-12400T. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
eDRAM	128 MB	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	no data	+
Turbo Boost Max 3.0	no data	-
FDI	+	no data
Status	Discontinued	Launched

Security technologies

Xeon E3-1585 v5 and Core i5-12400T technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1585 v5 and Core i5-12400T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1585 v5 and Core i5-12400T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	LPDDR3-1600, DDR4-2133	DDR5-4800, DDR4-3200
Maximum memory size	64 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	76.8 GB/s
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel Iris Pro Graphics P580	Intel UHD Graphics 730
Max video memory	64 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	no data	+
Graphics max frequency	1.15 GHz	1.45 GHz
Execution Units	72	24

Graphics interfaces

Available interfaces and connections of Xeon E3-1585 v5 and Core i5-12400T integrated GPUs.

Number of displays supported

3

4

Graphics image quality

Maximum display resolutions supported by Xeon E3-1585 v5 and Core i5-12400T integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2160 @ 60Hz
Max resolution over eDP	no data	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Xeon E3-1585 v5 and Core i5-12400T 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 E3-1585 v5 and Core i5-12400T.

PCIe version	3.0	5.0 and 4.0
PCI Express lanes	16	20

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.

Core i5-12400T outperforms Xeon E3-1585 v5 by 92% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	5.44	10.43
Physical cores	4	6
Threads	8	12
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between Xeon E3-1585 v5 and Core i5-12400T, ask them in Comments section, and we shall answer.

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