Ryzen 7 7840U: specs and benchmarks

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Aggregated performance score

Ryzen 7 7840U
2023
8 cores / 16 threads
15.88

It provides poor benchmark performance at 15.88% of a leader's which is Ryzen Threadripper PRO 7995WX.

Ryzen Threadripper PRO 7995WXRyzen ThreadripperPRO 7995WX
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Summary

AMD started Ryzen 7 7840U sales on May 2023. This is a Phoenix-U (Zen 4) architecture notebook processor primarily aimed at office systems. It has 8 cores and 16 threads, and is based on 4 nm manufacturing technology, with a maximum frequency of 5100 MHz and a locked multiplier.

Compatibility-wise, this is AMD Socket FP8 processor with a TDP of 28 Watt. It supports DDR5-5600 memory.

Primary Details

Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in performance ranking370
Place by popularitynot in top-100
Market segmentLaptop
SeriesAMD Phoenix (Zen 4, Ryzen 7040)
Architecture codenamePhoenix-U (Zen 4)
Release dateMay 2023 (recently)

Detailed Specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores8 (Octa-Core)
Threads16
Base clock speed3.3 GHzof 4.7 (Ryzen 9 7900X)
Boost clock speed5.1 GHzof 6.2 (Core i9-14900KS)
L1 cache64K (per core)of 7475.2 (Apple M2 Pro 10-Core)
L2 cache1 MB (per core)of 96 (Ryzen Threadripper PRO 7995WX)
L3 cache16 MB (shared)of 768 (EPYC 7773X)
Chip lithography4 nmof 3 (Apple M3 Max 16-Core)
Die size178 mm2
Maximum core temperature100 °Cof 110 (Core Ultra 7 165H)
Number of transistors25,000 millionof 9900000 (Ryzen 5 7645HX)
64 bit support+
Windows 11 compatibility+
Unlocked multiplierNo

Compatibility

Information on Ryzen 7 7840U compatibility with other computer components and devices: 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 configuration1of 8 (Xeon Platinum 8454H)
SocketFP8
Power consumption (TDP)28 Wattof 400 (Xeon Platinum 9282)

Technologies and extensions

Technological capabilities and additional instructions supported by Ryzen 7 7840U. You'll probably need this information if you require some particular technology.

AES-NI+
AVX+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

AMD-V+

Memory specs

Types, maximum amount and channel number of RAM supported by Ryzen 7 7840U's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory typesDDR5-5600

Graphics specifications

General parameters of a GPU integrated into Ryzen 7 7840U.

Integrated graphics cardAMD Radeon 780M

Peripherals

Specifications and connection types of supported peripherals.

PCIe version4.0of 5 (Ryzen Threadripper PRO 7995WX)
PCI Express lanes20of 128 (EPYC 9654)

Benchmark performance

Single-core and multi-core benchmark results of Ryzen 7 7840U. Overall benchmark performance 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 15.88

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.

Benchmark coverage: 68%

Ryzen 7 7840U 24949

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.

Benchmark coverage: 42%

Ryzen 7 7840U 2093

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.

Benchmark coverage: 42%

Ryzen 7 7840U 8708

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.

Benchmark coverage: 20%

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.

Benchmark coverage: 19%

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.

Benchmark coverage: 19%

Ryzen 7 7840U 12482

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.

Benchmark coverage: 17%

Ryzen 7 7840U 23

Cinebench 15 64-bit multi-core

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

Benchmark coverage: 15%

Ryzen 7 7840U 1986

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.

Benchmark coverage: 15%

Ryzen 7 7840U 264

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.

Benchmark coverage: 14%

Ryzen 7 7840U 2.79

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.

Benchmark coverage: 13%

Ryzen 7 7840U 8.5

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.

Benchmark coverage: 13%

Ryzen 7 7840U 5723

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.  

Benchmark coverage: 13%

Ryzen 7 7840U 237

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.  

Benchmark coverage: 13%

Ryzen 7 7840U 109

Gaming performance

Relative performance

Overall Ryzen 7 7840U performance compared to nearest competitors among notebook CPUs.


Ryzen 7 7840U 100

Intel equivalent

According to our data, the closest Intel alternative to Ryzen 7 7840U is Core i7-12800H, which is nearly equal in speed and higher by 1 position in our ranking.

i7-12800HCore i712800H
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Here are some closest Intel rivals to Ryzen 7 7840U:

Ryzen 7 7840U 100

Similar processors

Here is our recommendation of several processors that are more or less close in performance to the one reviewed.

i7-12800HCore i712800H
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Ryzen 9 6900HXRyzen 96900HX
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Ryzen 7 PRO 7840URyzen 7PRO 7840U
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Ultra 7 155HCore Ultra7 155H
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i5-13600HCore i513600H
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Ryzen 7 7840SRyzen 77840S
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Recommended GPUs

People consider these graphics cards to be good for Ryzen 7 7840U, according to our PC configuration statistics.

These are the fastest graphics cards for Ryzen 7 7840U in our user configuration statistics. There is a total of 346 configurations based on Ryzen 7 7840U in our database.

RTX 4090 GeForce RTX 4090
0.3% (1/346)
RX 6950 XT Radeon RX 6950 XT
0.3% (1/346)
RTX 4070 GeForce RTX 4070
0.3% (1/346)
RX 7800 XT Radeon RX 7800 XT
1.4% (5/346)
RTX 3070 GeForce RTX 3070
0.3% (1/346)
RX 6800 Radeon RX 6800
0.3% (1/346)
RX 7900M Radeon RX 7900M
0.3% (1/346)
RTX 4060 GeForce RTX 4060
0.9% (3/346)
RTX 3060 GeForce RTX 3060
0.6% (2/346)

Community Ratings

Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.


4.2 130 votes

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