Ryzen 7 8840U vs i7-7740X

Aggregate performance score

Core i7-7740X
2017
4 cores / 8 threads, 112 Watt
6.28
Ryzen 7 8840U
2023
8 cores / 16 threads, 28 Watt
15.58
+148%

Ryzen 7 8840U outperforms Core i7-7740X by a whopping 148% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7740X and Ryzen 7 8840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1083466
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.35no data
Market segmentDesktop processorLaptop
SeriesCore i7 (Desktop)no data
Power efficiency5.1150.74
Architecture codenameKaby Lake-X (2017)Hawk Point-U (Zen 4) (2023)
Release date30 May 2017 (7 years ago)6 December 2023 (less than a year ago)
Launch price (MSRP)$339no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-7740X 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 cores4 (Quad-Core)8 (Octa-Core)
Threads816
Base clock speed4.3 GHz3.3 GHz
Boost clock speed4.5 GHz5.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
L1 cache256 KB64 KB (per core)
L2 cache1 MB1 MB (per core)
L3 cache8 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
Unlocked multiplier+-

Compatibility

Information on Core i7-7740X 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 configuration1 (Uniprocessor)1
SocketFCLGA2066FP8
Power consumption (TDP)112 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7740X 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® AVX2Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7740X and Ryzen 7 8840U 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 i7-7740X and Ryzen 7 8840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth42.671 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardHD 630AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Core i7-7740X and Ryzen 7 8840U.

PCIe version3.04.0
PCI Express lanes1620

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.

i7-7740X 6.28
Ryzen 7 8840U 15.58
+148%

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.

i7-7740X 9607
Ryzen 7 8840U 23839
+148%

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.

i7-7740X 1672
Ryzen 7 8840U 2230
+33.4%

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.

i7-7740X 5405
Ryzen 7 8840U 9433
+74.5%

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.

i7-7740X 7397
+0.2%
Ryzen 7 8840U 7381

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.

i7-7740X 29538
Ryzen 7 8840U 41306
+39.8%

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.

i7-7740X 10252
Ryzen 7 8840U 14245
+38.9%

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.

i7-7740X 5.44
Ryzen 7 8840U 3.28
+65.9%

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.

i7-7740X 11
Ryzen 7 8840U 24
+122%

Cinebench 15 64-bit multi-core

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

i7-7740X 991
Ryzen 7 8840U 1782
+79.8%

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.

i7-7740X 196
Ryzen 7 8840U 266
+35.8%

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.

i7-7740X 2.21
Ryzen 7 8840U 3.22
+45.7%

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.

i7-7740X 5.6
Ryzen 7 8840U 11.5
+105%

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.  

i7-7740X 62
Ryzen 7 8840U 119
+92.3%

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.  

i7-7740X 234
Ryzen 7 8840U 267
+14.3%

Gaming performance

Pros & cons summary


Performance score 6.28 15.58
Recency 30 May 2017 6 December 2023
Physical cores 4 8
Threads 8 16
Chip lithography 14 nm 4 nm
Power consumption (TDP) 112 Watt 28 Watt

Ryzen 7 8840U has a 148.1% higher aggregate performance score, an age advantage of 6 years, 100% more physical cores and 100% more threads, a 250% more advanced lithography process, and 300% lower power consumption.

The Ryzen 7 8840U is our recommended choice as it beats the Core i7-7740X in performance tests.

Note that Core i7-7740X is a desktop processor while Ryzen 7 8840U is a notebook one.


Should you still have questions on choice between Core i7-7740X and Ryzen 7 8840U, ask them in Comments section, and we shall answer.

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Intel Core i7-7740X
Core i7-7740X
AMD Ryzen 7 8840U
Ryzen 7 8840U

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Community ratings

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