Ryzen 7 PRO 7840U vs Ryzen 9 7845HX

VS

Aggregate performance score

Ryzen 9 7845HX
2023
12 cores / 24 threads, 55 Watt
28.71
+85.1%
Ryzen 7 PRO 7840U
2023
8 cores / 16 threads, 28 Watt
15.51

Ryzen 9 7845HX outperforms Ryzen 7 PRO 7840U by an impressive 85% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 7845HX and Ryzen 7 PRO 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking159449
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Seriesno dataAMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency49.3752.39
Architecture codenameDragon Range-HX (Zen 4) (2023−2024)Phoenix (Zen 4) (2023)
Release date4 January 2023 (1 year ago)3 May 2023 (1 year ago)

Detailed specifications

Ryzen 9 7845HX and Ryzen 7 PRO 7840U 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 cores12 (Dodeca-Core)8 (Octa-Core)
Threads2416
Base clock speed3 GHz3.3 GHz
Boost clock speed5.2 GHz5.1 GHz
L1 cache64K (per core)512 KB
L2 cache1 MB (per core)8 MB
L3 cache64 MB (shared)16 MB
Chip lithographyCCD = 5 nm, I/O = 6 nm4 nm
Die size2x 71 mm2178 mm2
Maximum core temperature100 °C100 °C
Number of transistors13,140 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 7845HX and Ryzen 7 PRO 7840U 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 configuration1no data
SocketFL1no data
Power consumption (TDP)55 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7845HX and Ryzen 7 PRO 7840U. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, 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, SMEno data
AES-NI+-
FMA+-
AVX+-
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 7845HX and Ryzen 7 PRO 7840U are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7845HX and Ryzen 7 PRO 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon 610M (400 - 2200 MHz)AMD Radeon 780M ( - 2700 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7845HX and Ryzen 7 PRO 7840U.

PCIe version5.0no data
PCI Express lanes28no data

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 9 7845HX 28.71
+85.1%
Ryzen 7 PRO 7840U 15.51

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 9 7845HX 45597
+85.1%
Ryzen 7 PRO 7840U 24639

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 9 7845HX 2651
+23.4%
Ryzen 7 PRO 7840U 2149

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 9 7845HX 13976
+46.9%
Ryzen 7 PRO 7840U 9514

Cinebench 15 64-bit multi-core

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

Ryzen 9 7845HX 4320
+94.8%
Ryzen 7 PRO 7840U 2218

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 9 7845HX 295
+11.3%
Ryzen 7 PRO 7840U 265

Geekbench 5.5 Multi-Core

Ryzen 9 7845HX 15068
+51.2%
Ryzen 7 PRO 7840U 9968

Blender(-)

Ryzen 9 7845HX 117
Ryzen 7 PRO 7840U 237
+103%

Geekbench 5.5 Single-Core

Ryzen 9 7845HX 2008
+8.4%
Ryzen 7 PRO 7840U 1853

7-Zip Single

Ryzen 9 7845HX 7018
+18.9%
Ryzen 7 PRO 7840U 5900

7-Zip

Ryzen 9 7845HX 106033
+81.6%
Ryzen 7 PRO 7840U 58386

WebXPRT 3

Ryzen 9 7845HX 357
+26.1%
Ryzen 7 PRO 7840U 283

CrossMark Overall

Ryzen 9 7845HX 1992
+24.9%
Ryzen 7 PRO 7840U 1595

WebXPRT 4 Overall

Ryzen 9 7845HX 282
+17.7%
Ryzen 7 PRO 7840U 240

Blender v3.3 Classroom CPU(-)

Ryzen 9 7845HX 185
Ryzen 7 PRO 7840U 390
+111%

Geekbench 6.3 Multi-Core

Ryzen 9 7845HX 12585
+13.1%
Ryzen 7 PRO 7840U 11130

Geekbench 6.3 Single-Core

Ryzen 9 7845HX 2729
+10.1%
Ryzen 7 PRO 7840U 2479

Gaming performance

Pros & cons summary


Performance score 28.71 15.51
Integrated graphics card 2.85 18.32
Recency 4 January 2023 3 May 2023
Physical cores 12 8
Threads 24 16
Power consumption (TDP) 55 Watt 28 Watt

Ryzen 9 7845HX has a 85.1% higher aggregate performance score, and 50% more physical cores and 50% more threads.

Ryzen 7 PRO 7840U, on the other hand, has 542.8% faster integrated GPU, an age advantage of 3 months, and 96.4% lower power consumption.

The Ryzen 9 7845HX is our recommended choice as it beats the Ryzen 7 PRO 7840U in performance tests.


Should you still have questions on choice between Ryzen 9 7845HX and Ryzen 7 PRO 7840U, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 7845HX
Ryzen 9 7845HX
AMD Ryzen 7 PRO 7840U
Ryzen 7 PRO 7840U

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Community ratings

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