i7-14700HX vs Ryzen 7 7840U

Aggregate performance score

Ryzen 7 7840U
2023
8 cores / 16 threads, 28 Watt
15.73
Core i7-14700HX
2024
20 cores / 28 threads, 55 Watt
23.54
+49.7%

Core i7-14700HX outperforms Ryzen 7 7840U by an impressive 50% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 7840U and Core i7-14700HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking427216
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Phoenix (Zen 4, Ryzen 7040)Raptor Lake-HX
Power efficiency53.1740.50
Architecture codenamePhoenix-U (Zen 4) (2023)Raptor Lake-HX Refresh (2024)
Release dateMay 2023 (1 year ago)8 January 2024 (less than a year ago)

Detailed specifications

Ryzen 7 7840U and Core i7-14700HX 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)20 (Icosa-Core)
Threads1628
Base clock speed3.3 GHz2.1 GHz
Boost clock speed5.1 GHz5.4 GHz
Bus rateno data157 MHz
L1 cache64K (per core)80 KB (per core)
L2 cache1 MB (per core)2 MB (per core)
L3 cache16 MB (shared)33 MB (shared)
Chip lithography4 nmIntel 7 nm
Die size178 mm2257 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors25,000 millionno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier-+

Compatibility

Information on Ryzen 7 7840U and Core i7-14700HX 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
SocketFP8FCBGA1964
Power consumption (TDP)28 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 7840U and Core i7-14700HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA-+
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
Turbo Boost Max 3.0no data+
Precision Boost 2+no data
Deep Learning Boost-+

Security technologies

Ryzen 7 7840U and Core i7-14700HX technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 7840U and Core i7-14700HX are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840U and Core i7-14700HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-5600DDR4, DDR5
Maximum memory sizeno data192 GB
Max memory channelsno data2
Maximum memory bandwidthno data89.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 780MIntel® UHD Graphics for 14th Gen Intel® Processors
Quick Sync Video-+
Graphics max frequencyno data1.6 GHz
Execution Unitsno data32

Graphics interfaces

Available interfaces and connections of Ryzen 7 7840U and Core i7-14700HX integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Ryzen 7 7840U and Core i7-14700HX integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2160 @ 60Hz
Max resolution over eDPno data5120 x 3200 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Ryzen 7 7840U and Core i7-14700HX integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 7840U and Core i7-14700HX.

PCIe version4.05.0 and 4.0
PCI Express lanes2016

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 7840U 15.73
i7-14700HX 23.54
+49.7%

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 7840U 24990
i7-14700HX 37399
+49.7%

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.

Ryzen 7 7840U 2081
i7-14700HX 2510
+20.6%

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.

Ryzen 7 7840U 8733
i7-14700HX 13640
+56.2%

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 7840U 6669
i7-14700HX 11767
+76.4%

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 7840U 38490
i7-14700HX 68172
+77.1%

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 7840U 12482
i7-14700HX 18104
+45%

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 7840U 3.51
i7-14700HX 2.69
+30.5%

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 7840U 23
+117%
i7-14700HX 10

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 7840U 1990
i7-14700HX 3780
+89.9%

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 7840U 264
i7-14700HX 296
+12.1%

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.

Ryzen 7 7840U 2.79
i7-14700HX 3.63
+30.1%

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 7840U 8.5
i7-14700HX 19.3
+128%

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.  

Ryzen 7 7840U 109
i7-14700HX 177
+62.8%

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.  

Ryzen 7 7840U 237
i7-14700HX 365
+53.9%

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 7840U 5723
i7-14700HX 10202
+78.3%

Geekbench 5.5 Multi-Core

Ryzen 7 7840U 9382
i7-14700HX 17691
+88.6%

Blender(-)

Ryzen 7 7840U 260
+85.4%
i7-14700HX 140

Geekbench 5.5 Single-Core

Ryzen 7 7840U 1738
i7-14700HX 2080
+19.7%

7-Zip Single

Ryzen 7 7840U 5952
i7-14700HX 6895
+15.8%

7-Zip

Ryzen 7 7840U 55145
i7-14700HX 98097
+77.9%

WebXPRT 3

Ryzen 7 7840U 262
i7-14700HX 302
+15.3%

Gaming performance

Pros & cons summary


Performance score 15.73 23.54
Physical cores 8 20
Threads 16 28
Power consumption (TDP) 28 Watt 55 Watt

Ryzen 7 7840U has 96.4% lower power consumption.

i7-14700HX, on the other hand, has a 49.7% higher aggregate performance score, and 150% more physical cores and 75% more threads.

The Core i7-14700HX is our recommended choice as it beats the Ryzen 7 7840U in performance tests.


Should you still have questions on choice between Ryzen 7 7840U and Core i7-14700HX, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 7840U
Ryzen 7 7840U
Intel Core i7-14700HX
Core i7-14700HX

Similar processor comparisons

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Community ratings

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