U300 vs Core i5-6400T

Primary details

Comparing Core i5-6400T and U300 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1611	1033
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.47	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i5 (Desktop)	no data
Architecture codename	Skylake (2015−2016)	no data
Release date	5 August 2015 (8 years ago)	1 January 2023 (1 year ago)
Launch price (MSRP)	$192	no data
Current price	$190 (1x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-6400T and U300 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)	no data
Threads	4	6
Base clock speed	2.2 GHz	no data
Boost clock speed	2.8 GHz	4.4 GHz
L1 cache	256 KB	no data
L2 cache	1 MB	no data
L3 cache	6 MB	8 MB Intel® Smart Cache
Chip lithography	14 nm	Intel 7 nm
Die size	122 mm2	no data
Maximum core temperature	66 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Core i5-6400T and U300 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	FCBGA1744
Power consumption (TDP)	35 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6400T and U300. 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	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	-	+
TSX	-	no data
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	no data	+
SIPP	-	no data
Status	Discontinued	Launched

Security technologies

Core i5-6400T and U300 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-6400T and U300 are enumerated here.

AMD-V	+	no data
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-6400T and U300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR5-5200, DDR4-3200, LPDDR4x-4267
Maximum memory size	64 GB	96 GB
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	no data
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 530	Intel® UHD Graphics for 13th Gen Intel® Processors
Max video memory	64 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	950 MHz	1.1 GHz
Execution Units	no data	48
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-6400T and U300 integrated GPUs.

Number of displays supported	3	4
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Core i5-6400T and U300 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	4096 x 2304 @ 60Hz
Max resolution over eDP	4096x2304@60Hz	4096 x 2304 @ 120Hz
Max resolution over DisplayPort	4096x2304@60Hz	7680 x 4320 @ 60Hz
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core i5-6400T and U300 integrated GPUs, sometimes API versions are included.

DirectX	12	12.1
OpenGL	4.5	4.6

Peripherals

Specifications and connection of peripherals supported by Core i5-6400T and U300.

PCIe version	3.0	no data
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.

U300 outperforms Core i5-6400T by 117% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	2.77	6.02
Recency	5 August 2015	1 January 2023
Threads	4	6

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Should you still have questions on choice between Core i5-6400T and U300, ask them in Comments section, and we shall answer.

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