Ryzen 7 7840HS vs i9-7900X

VS

Aggregate performance score

Core i9-7900X
2017
10 cores / 20 threads, 140 Watt
13.76
Ryzen 7 7840HS
2023
8 cores / 16 threads, 35 Watt
18.89
+37.3%

Ryzen 7 7840HS outperforms Core i9-7900X by a substantial 37% based on our aggregate benchmark results.

Primary details

Comparing Core i9-7900X and Ryzen 7 7840HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking558328
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.90no data
Market segmentDesktop processorLaptop
SeriesCore i9 (Desktop)no data
Power efficiency8.9649.21
Architecture codenameSkylake (server) (2017−2019)Phoenix-HS (Zen 4) (2023)
Release date30 May 2017 (7 years ago)January 2023 (1 year ago)
Launch price (MSRP)$999no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-7900X and Ryzen 7 7840HS 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 cores10 (Deca-Core)8 (Octa-Core)
Threads2016
Base clock speed3.3 GHz3.8 GHz
Boost clock speed4.5 GHz5.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier33no data
L1 cache640 KB64K (per core)
L2 cache10 MB1 MB (per core)
L3 cache13.75 MB16 MB (shared)
Chip lithography14 nm4 nm
Die sizeno data178 mm2
Maximum core temperature95 °C100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-7900X and Ryzen 7 7840HS 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 configuration1 (Uniprocessor)1
SocketSocket R4FP8
Power consumption (TDP)140 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7900X and Ryzen 7 7840HS. 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, 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, SME
AES-NI++
FMA-+
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Turbo Boost Max 3.0+no data
Precision Boost 2no data+

Security technologies

Core i9-7900X and Ryzen 7 7840HS technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7900X and Ryzen 7 7840HS are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7900X and Ryzen 7 7840HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size128 GBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AAMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Core i9-7900X and Ryzen 7 7840HS.

PCIe version3.04.0
PCI Express lanes4420

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.

i9-7900X 13.76
Ryzen 7 7840HS 18.89
+37.3%

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.

i9-7900X 21059
Ryzen 7 7840HS 28902
+37.2%

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.

i9-7900X 1443
Ryzen 7 7840HS 2366
+64%

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.

i9-7900X 8848
Ryzen 7 7840HS 10999
+24.3%

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.

i9-7900X 7287
Ryzen 7 7840HS 7642
+4.9%

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.

i9-7900X 49738
+3.8%
Ryzen 7 7840HS 47933

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.

i9-7900X 12678
Ryzen 7 7840HS 15663
+23.5%

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.

i9-7900X 2.91
Ryzen 7 7840HS 2.64
+10.2%

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.

i9-7900X 24
Ryzen 7 7840HS 30
+25.5%

Cinebench 15 64-bit multi-core

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

i9-7900X 2148
Ryzen 7 7840HS 2573
+19.8%

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.

i9-7900X 193
Ryzen 7 7840HS 279
+44.5%

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.

i9-7900X 2.2
Ryzen 7 7840HS 3.31
+50.5%

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.

i9-7900X 12.1
Ryzen 7 7840HS 14.8
+22.3%

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.  

i9-7900X 121
Ryzen 7 7840HS 147
+21.2%

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.  

i9-7900X 217
Ryzen 7 7840HS 290
+33.5%

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.

i9-7900X 5918
Ryzen 7 7840HS 7064
+19.4%

Gaming performance

Pros & cons summary


Performance score 13.76 18.89
Physical cores 10 8
Threads 20 16
Chip lithography 14 nm 4 nm
Power consumption (TDP) 140 Watt 35 Watt

i9-7900X has 25% more physical cores and 25% more threads.

Ryzen 7 7840HS, on the other hand, has a 37.3% higher aggregate performance score, a 250% more advanced lithography process, and 300% lower power consumption.

The Ryzen 7 7840HS is our recommended choice as it beats the Core i9-7900X in performance tests.

Note that Core i9-7900X is a desktop processor while Ryzen 7 7840HS is a notebook one.


Should you still have questions on choice between Core i9-7900X and Ryzen 7 7840HS, 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 i9-7900X
Core i9-7900X
AMD Ryzen 7 7840HS
Ryzen 7 7840HS

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Community ratings

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