Ryzen 7 7840U vs i5-11400H

Aggregate performance score

Core i5-11400H
2021
6 cores / 12 threads, 35 Watt
9.83
Ryzen 7 7840U
2023
8 cores / 16 threads, 28 Watt
15.73
+60%

Ryzen 7 7840U outperforms Core i5-11400H by an impressive 60% based on our aggregate benchmark results.

Primary details

Comparing Core i5-11400H and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking779427
Place by popularity35not in top-100
Market segmentLaptopLaptop
SeriesTiger LakeAMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency26.5853.17
Architecture codenameTiger Lake-H (2021)Phoenix-U (Zen 4) (2023)
Release date11 May 2021 (3 years ago)May 2023 (1 year ago)

Detailed specifications

Core i5-11400H and Ryzen 7 7840U 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 speed2.7 GHz3.3 GHz
Boost clock speed4.5 GHz5.1 GHz
Bus rate8 GT/sno data
L1 cache96K (per core)64K (per core)
L2 cache1.25 MB (per core)1 MB (per core)
L3 cache12 MB (shared)16 MB (shared)
Chip lithography10 nm SuperFin4 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++

Compatibility

Information on Core i5-11400H and Ryzen 7 7840U 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
SocketFCBGA1787FP8
Power consumption (TDP)35 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-11400H and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI++
FMA+-
AVX++
Enhanced SpeedStep (EIST)+no data
Speed Shift+no data
Hyper-Threading Technology+no data
TSX+-
Thermal Monitoring+-
Flex Memory Access+no data
Precision Boost 2no data+
Deep Learning Boost+-

Security technologies

Core i5-11400H and Ryzen 7 7840U 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 Core i5-11400H and Ryzen 7 7840U 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 i5-11400H and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5-5600
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth51.2 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® UHD Graphics for 11th Gen Intel® ProcessorsAMD Radeon 780M
Quick Sync Video+-
Graphics max frequency1.45 GHzno data
Execution Units16no data

Graphics interfaces

Available interfaces and connections of Core i5-11400H and Ryzen 7 7840U integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i5-11400H and Ryzen 7 7840U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096x2304@60Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort7680x4320@60Hzno data

Graphics API support

APIs supported by Core i5-11400H and Ryzen 7 7840U integrated GPUs, sometimes API versions are included.

DirectX12.1no data
OpenGL4.6no data

Peripherals

Specifications and connection of peripherals supported by Core i5-11400H and Ryzen 7 7840U.

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.

i5-11400H 9.83
Ryzen 7 7840U 15.73
+60%

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.

i5-11400H 15610
Ryzen 7 7840U 24990
+60.1%

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.

i5-11400H 1813
Ryzen 7 7840U 2081
+14.8%

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.

i5-11400H 6362
Ryzen 7 7840U 8735
+37.3%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i5-11400H 8712
+30.6%
Ryzen 7 7840U 6669

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i5-11400H 39096
+1.6%
Ryzen 7 7840U 38490

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i5-11400H 12043
Ryzen 7 7840U 12482
+3.6%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i5-11400H 6.8
Ryzen 7 7840U 3.51
+93.7%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i5-11400H 15
Ryzen 7 7840U 23
+54.6%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i5-11400H 1277
Ryzen 7 7840U 1990
+55.8%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i5-11400H 218
Ryzen 7 7840U 264
+21.1%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i5-11400H 2.5
Ryzen 7 7840U 2.79
+11.6%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i5-11400H 8.2
Ryzen 7 7840U 8.5
+3.7%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i5-11400H 70
Ryzen 7 7840U 109
+55.6%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i5-11400H 182
Ryzen 7 7840U 237
+30.2%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i5-11400H 5571
Ryzen 7 7840U 5723
+2.7%

Geekbench 5.5 Multi-Core

i5-11400H 6006
Ryzen 7 7840U 9382
+56.2%

Blender(-)

i5-11400H 396
+52.6%
Ryzen 7 7840U 260

Geekbench 5.5 Single-Core

i5-11400H 1500
Ryzen 7 7840U 1738
+15.9%

7-Zip Single

i5-11400H 5116
Ryzen 7 7840U 5952
+16.3%

7-Zip

i5-11400H 33444
Ryzen 7 7840U 55145
+64.9%

WebXPRT 3

i5-11400H 250
Ryzen 7 7840U 262
+4.8%

Gaming performance

Pros & cons summary


Performance score 9.83 15.73
Physical cores 6 8
Threads 12 16
Chip lithography 10 nm 4 nm
Power consumption (TDP) 35 Watt 28 Watt

Ryzen 7 7840U has a 60% higher aggregate performance score, 33.3% more physical cores and 33.3% more threads, a 150% more advanced lithography process, and 25% lower power consumption.

The Ryzen 7 7840U is our recommended choice as it beats the Core i5-11400H in performance tests.


Should you still have questions on choice between Core i5-11400H and Ryzen 7 7840U, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-11400H
Core i5-11400H
AMD Ryzen 7 7840U
Ryzen 7 7840U

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


4.1 3521 vote

Rate Core i5-11400H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 237 votes

Rate Ryzen 7 7840U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-11400H or Ryzen 7 7840U, agree or disagree with our judgements, or report an error or mismatch.