i9-13900HK vs i5-11400

Place in the ranking	723	281
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Alder Lake-P
Power efficiency	15.59	41.75
Architecture codename	Rocket Lake (2021)	Raptor Lake-H (2023)
Release date	16 March 2021 (3 years ago)	4 January 2023 (1 year ago)
Launch price (MSRP)	no data	$697

Detailed specifications

Core i5-11400 and Core i9-13900HK 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	6 (Hexa-Core)	14 (Tetradeca-Core)
Threads	12	20
Base clock speed	2.6 GHz	2.6 GHz
Boost clock speed	4.4 GHz	5.4 GHz
Bus rate	8 GT/s	no data
L1 cache	64K (per core)	80K (per core)
L2 cache	256K (per core)	2 MB (per core)
L3 cache	12 MB (shared)	24 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	no data	257 mm²
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Core i5-11400 and Core i9-13900HK 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	FCLGA1200	FCBGA1744
Power consumption (TDP)	65 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-11400 and Core i9-13900HK. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i5-11400 and Core i9-13900HK technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-11400 and Core i9-13900HK are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-11400 and Core i9-13900HK. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5-5200, DDR4-3200, LPDDR4x-4267
Maximum memory size	128 GB	96 GB
Max memory channels	2	2
Maximum memory bandwidth	50 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 730	Intel® Iris® Xe Graphics eligible
Max video memory	64 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.3 GHz	1.5 GHz
Execution Units	24	96
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-11400 and Core i9-13900HK integrated GPUs.

Number of displays supported

Graphics image quality

Maximum display resolutions supported by Core i5-11400 and Core i9-13900HK integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2160@60Hz	4096 x 2304 @ 60Hz
Max resolution over eDP	5120 x 3200 @60Hz	4096 x 2304 @ 120Hz
Max resolution over DisplayPort	5120 x 3200 @60Hz	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i5-11400 and Core i9-13900HK integrated GPUs, sometimes API versions are included.

DirectX	12.1	12.1
OpenGL	4.5	4.6

Peripherals

Specifications and connection of peripherals supported by Core i5-11400 and Core i9-13900HK.

PCIe version	4.0	5.0
PCI Express lanes	20	8

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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.

i5-11400 10.71

i9-13900HK 19.85
+85.3%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i5-11400 17005

i9-13900HK 31536
+85.5%

Gaming performance

Pros & cons summary

Performance score	10.71	19.85
Recency	16 March 2021	4 January 2023
Physical cores	6	14
Threads	12	20
Power consumption (TDP)	65 Watt	45 Watt

i9-13900HK has a 85.3% higher aggregate performance score, an age advantage of 1 year, 133.3% more physical cores and 66.7% more threads, and 44.4% lower power consumption.

The Core i9-13900HK is our recommended choice as it beats the Core i5-11400 in performance tests.

Note that Core i5-11400 is a desktop processor while Core i9-13900HK is a notebook one.

Should you still have questions on choice between Core i5-11400 and Core i9-13900HK, ask them in Comments section, and we shall answer.