i5-11400H vs Ryzen 7 7840S

Aggregate performance score

Ryzen 7 7840S
2023
8 cores / 16 threads, 35 Watt
15.30
+55.6%
Core i5-11400H
2021
6 cores / 12 threads, 35 Watt
9.83

Ryzen 7 7840S outperforms Core i5-11400H by an impressive 56% based on our aggregate benchmark results.

Primary details

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

Place in the ranking452779
Place by popularitynot in top-10035
Market segmentLaptopLaptop
SeriesPhoenix (Zen 4, Ryzen 7040)Tiger Lake
Power efficiency41.3726.58
Architecture codenamePhoenix-HS (Zen 4) (2023)Tiger Lake-H (2021)
Release date5 January 2023 (1 year ago)11 May 2021 (3 years ago)

Detailed specifications

Ryzen 7 7840S 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 cores8 (Octa-Core)6 (Hexa-Core)
Threads1612
Base clock speed3.8 GHz2.7 GHz
Boost clock speed5.1 GHz4.5 GHz
Bus rateno data8 GT/s
L1 cache512 KB96K (per core)
L2 cache8 MB1.25 MB (per core)
L3 cache16 MB12 MB (shared)
Chip lithography4 nm10 nm SuperFin
Die size178 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Ryzen 7 7840S 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 configurationno data1
SocketFP7/FP7r2/FP8FCBGA1787
Power consumption (TDP)35 Watt35 Watt

Technologies and extensions

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

Instruction set extensionsRyzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SMEIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
FMA++
AVX++
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
Deep Learning Boost-+

Security technologies

Ryzen 7 7840S and Core i5-11400H technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
Secure Keyno data+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 7840S and Core i5-11400H are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840S and Core i5-11400H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.2 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 780MIntel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video-+
Graphics max frequencyno data1.45 GHz
Execution Unitsno data16

Graphics interfaces

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

Number of displays supportedno data4

Graphics image quality

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

Max resolution over HDMI 1.4no data4096x2304@60Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data7680x4320@60Hz

Graphics API support

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

DirectXno data12.1
OpenGLno data4.6

Peripherals

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

PCIe versionno data4.0
PCI Express lanesno data20

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.

Ryzen 7 7840S 15.30
+55.6%
i5-11400H 9.83

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.

Ryzen 7 7840S 24309
+55.7%
i5-11400H 15610

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.

Ryzen 7 7840S 7579
i5-11400H 8712
+14.9%

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.

Ryzen 7 7840S 45931
+17.5%
i5-11400H 39096

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.

Ryzen 7 7840S 14547
+20.8%
i5-11400H 12043

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.

Ryzen 7 7840S 10.2
i5-11400H 6.8
+50%

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.

Ryzen 7 7840S 29
+95.4%
i5-11400H 15

Cinebench 15 64-bit multi-core

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

Ryzen 7 7840S 2223
+74.1%
i5-11400H 1277

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.

Ryzen 7 7840S 274
+25.7%
i5-11400H 218

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.

Ryzen 7 7840S 3.33
+33.2%
i5-11400H 2.5

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.

Ryzen 7 7840S 12.9
+58.3%
i5-11400H 8.2

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.

Ryzen 7 7840S 20369
+266%
i5-11400H 5571

Geekbench 5.5 Multi-Core

Ryzen 7 7840S 11288
+87.9%
i5-11400H 6006

Blender(-)

Ryzen 7 7840S 213
i5-11400H 396
+85.9%

Geekbench 5.5 Single-Core

Ryzen 7 7840S 1939
+29.3%
i5-11400H 1500

7-Zip Single

Ryzen 7 7840S 6328
+23.7%
i5-11400H 5116

7-Zip

Ryzen 7 7840S 64696
+93.4%
i5-11400H 33444

WebXPRT 3

Ryzen 7 7840S 296
+18.4%
i5-11400H 250

Gaming performance

Pros & cons summary


Performance score 15.30 9.83
Recency 5 January 2023 11 May 2021
Physical cores 8 6
Threads 16 12
Chip lithography 4 nm 10 nm

Ryzen 7 7840S has a 55.6% higher aggregate performance score, an age advantage of 1 year, 33.3% more physical cores and 33.3% more threads, and a 150% more advanced lithography process.

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


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

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

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Community ratings

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