Ryzen 7 8840U vs i5-11400

Aggregate performance score

Core i5-11400
2021
6 cores / 12 threads, 65 Watt
10.71
Ryzen 7 8840U
2023
8 cores / 16 threads, 28 Watt
15.06
+40.6%

Ryzen 7 8840U outperforms Core i5-11400 by a considerable 41% based on our aggregate benchmark results.

Primary details

Comparing Core i5-11400 and Ryzen 7 8840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking724465
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency15.5950.90
Architecture codenameRocket Lake (2021)Hawk Point-U (Zen 4) (2023)
Release date16 March 2021 (3 years ago)6 December 2023 (less than a year ago)

Detailed specifications

Core i5-11400 and Ryzen 7 8840U 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 cores6 (Hexa-Core)8 (Octa-Core)
Threads1216
Base clock speed2.6 GHz3.3 GHz
Boost clock speed4.4 GHz5.1 GHz
Bus rate8 GT/sno data
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache12 MB (shared)16 MB (shared)
Chip lithography14 nm4 nm
Die sizeno data178 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Core i5-11400 and Ryzen 7 8840U 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 configuration11
SocketFCLGA1200FP8
Power consumption (TDP)65 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-11400 and Ryzen 7 8840U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0-no data
Precision Boost 2no data+
Deep Learning Boost+-

Security technologies

Core i5-11400 and Ryzen 7 8840U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-11400 and Ryzen 7 8840U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-11400 and Ryzen 7 8840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth50 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 730AMD Radeon 780M
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.3 GHzno data
Execution Units24no data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-11400 and Ryzen 7 8840U integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-11400 and Ryzen 7 8840U integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@60Hzno data
Max resolution over eDP5120 x 3200 @60Hzno data
Max resolution over DisplayPort5120 x 3200 @60Hzno data

Graphics API support

APIs supported by Core i5-11400 and Ryzen 7 8840U integrated GPUs, sometimes API versions are included.

DirectX12.1no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-11400 and Ryzen 7 8840U.

PCIe version4.04.0
PCI Express lanes2020

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
Ryzen 7 8840U 15.06
+40.6%

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 17006
Ryzen 7 8840U 23921
+40.7%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i5-11400 1966
Ryzen 7 8840U 2223
+13.1%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i5-11400 7310
Ryzen 7 8840U 9408
+28.7%

Gaming performance

Pros & cons summary


Performance score 10.71 15.06
Integrated graphics card 4.15 18.31
Recency 16 March 2021 6 December 2023
Physical cores 6 8
Threads 12 16
Chip lithography 14 nm 4 nm
Power consumption (TDP) 65 Watt 28 Watt

Ryzen 7 8840U has a 40.6% higher aggregate performance score, 341.2% faster integrated GPU, an age advantage of 2 years, 33.3% more physical cores and 33.3% more threads, a 250% more advanced lithography process, and 132.1% lower power consumption.

The Ryzen 7 8840U is our recommended choice as it beats the Core i5-11400 in performance tests.

Note that Core i5-11400 is a desktop processor while Ryzen 7 8840U is a notebook one.


Should you still have questions on choice between Core i5-11400 and Ryzen 7 8840U, ask them in Comments section, and we shall answer.

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Intel Core i5-11400
Core i5-11400
AMD Ryzen 7 8840U
Ryzen 7 8840U

Similar processor comparisons

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.3 2155 votes

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Questions & comments

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