Core i5-11400H vs Atom D2550

Primary details

Comparing Atom D2550 and Core i5-11400H processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	711
Place by popularity	not in top-100	31
Market segment	Laptop	Laptop
Series	Intel Atom	Tiger Lake
Architecture codename	Cedarview (2011−2012)	Tiger Lake-H (2021)
Release date	1 November 2011 (12 years ago)	11 May 2021 (3 years ago)
Current price	$543	no data

Detailed specifications

Atom D2550 and Core i5-11400H 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	2 (Dual-core)	6 (Hexa-Core)
Threads	4	12
Base clock speed	1.86 GHz	2.7 GHz
Boost clock speed	1.87 GHz	4.5 GHz
L1 cache	64 KB (per core)	96K (per core)
L2 cache	512K (per core)	1.25 MB (per core)
L3 cache	0 KB	12 MB (shared)
Chip lithography	32 nm	10 nm SuperFin
Die size	66 mm2	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	176 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Atom D2550 and Core i5-11400H 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	FCBGA559	FCBGA1787
Power consumption (TDP)	10 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom D2550 and Core i5-11400H. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	no data	+
FMA	no data	+
AVX	no data	+
Enhanced SpeedStep (EIST)	-	+
Speed Shift	no data	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	+
TSX	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	+
PAE	36 Bit	no data
Status	Discontinued	Discontinued

Security technologies

Atom D2550 and Core i5-11400H technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
Secure Key	no data	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom D2550 and Core i5-11400H are enumerated here.

VT-d	-	+
VT-x	-	+
VT-i	-	no data
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom D2550 and Core i5-11400H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	4 GB	128 GB
Max memory channels	1	2
Maximum memory bandwidth	6.4 GB/s	51.2 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel Graphics Media Accelerator (GMA) 3650	Intel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video	no data	+
Graphics max frequency	no data	1.45 GHz
Execution Units	no data	16

Graphics interfaces

Available interfaces and connections of Atom D2550 and Core i5-11400H integrated GPUs.

Number of displays supported

2

4

Graphics image quality

Maximum display resolutions supported by Atom D2550 and Core i5-11400H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096x2304@60Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	7680x4320@60Hz

Graphics API support

APIs supported by Atom D2550 and Core i5-11400H integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Atom D2550 and Core i5-11400H.

PCIe version	no data	4.0
PCI Express lanes	4	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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Pros & cons summary

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Recency	1 November 2011	11 May 2021
Physical cores	2	6
Threads	4	12
Chip lithography	32 nm	10 nm
Power consumption (TDP)	10 Watt	35 Watt

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