i5-11400 vs Celeron U3400

Primary details

Comparing Celeron U3400 and Core i5-11400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	724
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Celeron	no data
Power efficiency	no data	15.59
Architecture codename	Westmere (2010−2011)	Rocket Lake (2021)
Release date	24 May 2010 (14 years ago)	16 March 2021 (3 years ago)

Detailed specifications

Celeron U3400 and Core i5-11400 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	2	12
Base clock speed	1.06 GHz	2.6 GHz
Boost clock speed	0.07 GHz	4.4 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	8 GT/s
Multiplier	8	no data
L1 cache	128 KB	64K (per core)
L2 cache	512 KB	256K (per core)
L3 cache	2 MB	12 MB (shared)
Chip lithography	32 nm	14 nm
Die size	81 mm2	no data
Maximum core temperature	105 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	382 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Celeron U3400 and Core i5-11400 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 (Uniprocessor)	1
Socket	BGA1288	FCLGA1200
Power consumption (TDP)	18 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron U3400 and Core i5-11400. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
FMA	+	-
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
PAE	36 Bit	no data
Turbo Boost Max 3.0	no data	-
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Celeron U3400 and Core i5-11400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	no data	+
Identity Protection	-	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron U3400 and Core i5-11400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron U3400 and Core i5-11400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800	DDR4-3200
Maximum memory size	8 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	12.799 GB/s	50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	Intel UHD Graphics 730
Max video memory	no data	64 GB
Quick Sync Video	-	+
Clear Video	+	+
Clear Video HD	no data	+
Graphics max frequency	500 MHz	1.3 GHz
Execution Units	no data	24
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Celeron U3400 and Core i5-11400 integrated GPUs.

Number of displays supported

2

3

Graphics image quality

Maximum display resolutions supported by Celeron U3400 and Core i5-11400 integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2160@60Hz
Max resolution over eDP	no data	5120 x 3200 @60Hz
Max resolution over DisplayPort	no data	5120 x 3200 @60Hz

Graphics API support

APIs supported by Celeron U3400 and Core i5-11400 integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Celeron U3400 and Core i5-11400.

PCIe version	2.0	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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Pros & cons summary

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Recency	24 May 2010	16 March 2021
Physical cores	2	6
Threads	2	12
Chip lithography	32 nm	14 nm
Power consumption (TDP)	18 Watt	65 Watt

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Should you still have questions on choice between Celeron U3400 and Core i5-11400, ask them in Comments section, and we shall answer.

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