Ryzen 9 9900X vs Ryzen 7 7745HX

VS

Aggregate performance score

Ryzen 7 7745HX
2023
8 cores / 16 threads, 55 Watt
20.60
Ryzen 9 9900X
2024
12 cores / 24 threads, 120 Watt
34.52
+67.6%

Ryzen 9 9900X outperforms Ryzen 7 7745HX by an impressive 68% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 7745HX and Ryzen 9 9900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking271109
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data66.82
Market segmentLaptopDesktop processor
Power efficiency35.4527.22
Architecture codenameDragon Range (Zen 4) (2023)Granite Ridge (2024)
Release date4 January 2023 (1 year ago)15 August 2024 (less than a year ago)
Launch price (MSRP)no data$499

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 7745HX and Ryzen 9 9900X 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)12 (Dodeca-Core)
Threads1624
Base clock speed3.6 GHz4.4 GHz
Boost clock speed5.1 GHz5.6 GHz
L1 cache64K (per core)80 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache32 MB (shared)64 MB (shared)
Chip lithographyCCD = 5 nm, I/O = 6 nm4 nm
Die size71 mm22x 70.6 mm2
Maximum core temperature100 °C95 °C
Number of transistors6,570 million16,630 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier++

Compatibility

Information on Ryzen 7 7745HX and Ryzen 9 9900X 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
SocketFL1AM5
Power consumption (TDP)55 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 7745HX and Ryzen 9 9900X. 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, SMESMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI++
FMA+-
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 7745HX and Ryzen 9 9900X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7745HX and Ryzen 9 9900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

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

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 7745HX and Ryzen 9 9900X.

PCIe version5.05.0
PCI Express lanes2824

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 7745HX 20.60
Ryzen 9 9900X 34.52
+67.6%

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 7745HX 32722
Ryzen 9 9900X 54839
+67.6%

Geekbench 5.5 Multi-Core

Ryzen 7 7745HX 12920
Ryzen 9 9900X 21384
+65.5%

Blender(-)

Ryzen 7 7745HX 172
+76.8%
Ryzen 9 9900X 97

Geekbench 5.5 Single-Core

Ryzen 7 7745HX 2054
Ryzen 9 9900X 2544
+23.9%

7-Zip Single

Ryzen 7 7745HX 7260
Ryzen 9 9900X 8020
+10.5%

7-Zip

Ryzen 7 7745HX 79413
Ryzen 9 9900X 122724
+54.5%

WebXPRT 3

Ryzen 7 7745HX 347
Ryzen 9 9900X 398
+14.7%

CrossMark Overall

Ryzen 7 7745HX 2103
Ryzen 9 9900X 2289
+8.8%

WebXPRT 4 Overall

Ryzen 7 7745HX 282
Ryzen 9 9900X 349
+24%

Blender v3.3 Classroom CPU(-)

Ryzen 7 7745HX 275
+81.8%
Ryzen 9 9900X 151

Geekbench 6.3 Multi-Core

Ryzen 7 7745HX 14825
Ryzen 9 9900X 20380
+37.5%

Geekbench 6.3 Single-Core

Ryzen 7 7745HX 2807
Ryzen 9 9900X 3429
+22.2%

Gaming performance

Pros & cons summary


Performance score 20.60 34.52
Integrated graphics card 2.85 1.98
Recency 4 January 2023 15 August 2024
Physical cores 8 12
Threads 16 24
Power consumption (TDP) 55 Watt 120 Watt

Ryzen 7 7745HX has 43.9% faster integrated GPU, and 118.2% lower power consumption.

Ryzen 9 9900X, on the other hand, has a 67.6% higher aggregate performance score, an age advantage of 1 year, and 50% more physical cores and 50% more threads.

The Ryzen 9 9900X is our recommended choice as it beats the Ryzen 7 7745HX in performance tests.

Be aware that Ryzen 7 7745HX is a notebook processor while Ryzen 9 9900X is a desktop one.


Should you still have questions on choice between Ryzen 7 7745HX and Ryzen 9 9900X, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 7745HX
Ryzen 7 7745HX
AMD Ryzen 9 9900X
Ryzen 9 9900X

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Community ratings

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