Ryzen 9 7945HX vs i5-9400H

VS

Aggregate performance score

Core i5-9400H
2019
4 cores / 8 threads, 45 Watt
5.00
Ryzen 9 7945HX
2023
16 cores / 32 threads, 55 Watt
34.42
+588%

Ryzen 9 7945HX outperforms Core i5-9400H by a whopping 588% based on our aggregate benchmark results.

Primary details

Comparing Core i5-9400H and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1229111
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i5no data
Power efficiency10.5259.23
Architecture codenameCoffee Lake-H (2018−2019)Dragon Range-HX (Zen 4) (2023−2024)
Release date23 April 2019 (5 years ago)4 January 2023 (1 year ago)

Detailed specifications

Core i5-9400H and Ryzen 9 7945HX 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)16 (Hexadeca-Core)
Threads832
Base clock speed2.5 GHz2.5 GHz
Boost clock speed4.3 GHz5.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier25no data
L1 cache256 KB64K (per core)
L2 cache1 MB1 MB (per core)
L3 cache8 MB64 MB (shared)
Chip lithography14 nmCCD = 5 nm, I/O = 6 nm
Die size126 mm22x 71 mm2
Maximum core temperature100 °C100 °C
Number of transistorsno data13,140 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Core i5-9400H and Ryzen 9 7945HX 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
SocketFCBGA1440FL1
Power consumption (TDP)45 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400H and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2MMX, 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
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
SIPP+-
Precision Boost 2no data+

Security technologies

Core i5-9400H and Ryzen 9 7945HX technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-9400H and Ryzen 9 7945HX are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-9400H and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth44.882 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 630AMD Radeon 610M (400 - 2200 MHz)
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-9400H and Ryzen 9 7945HX integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i5-9400H and Ryzen 9 7945HX integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2304@30Hzno data
Max resolution over eDP4096 x 2304@60Hzno data
Max resolution over DisplayPort4096 x 2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i5-9400H and Ryzen 9 7945HX integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-9400H and Ryzen 9 7945HX.

PCIe version3.05.0
PCI Express lanes1628

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.

i5-9400H 5.00
Ryzen 9 7945HX 34.42
+588%

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.

i5-9400H 7947
Ryzen 9 7945HX 54668
+588%

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.

i5-9400H 1373
Ryzen 9 7945HX 2736
+99.3%

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.

i5-9400H 4204
Ryzen 9 7945HX 15895
+278%

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.

i5-9400H 9
Ryzen 9 7945HX 62
+552%

Cinebench 15 64-bit multi-core

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

i5-9400H 823
Ryzen 9 7945HX 5521
+571%

Gaming performance

Pros & cons summary


Performance score 5.00 34.42
Integrated graphics card 3.09 2.85
Recency 23 April 2019 4 January 2023
Physical cores 4 16
Threads 8 32
Power consumption (TDP) 45 Watt 55 Watt

i5-9400H has 8.4% faster integrated GPU, and 22.2% lower power consumption.

Ryzen 9 7945HX, on the other hand, has a 588.4% higher aggregate performance score, an age advantage of 3 years, and 300% more physical cores and 300% more threads.

The Ryzen 9 7945HX is our recommended choice as it beats the Core i5-9400H in performance tests.


Should you still have questions on choice between Core i5-9400H and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

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Intel Core i5-9400H
Core i5-9400H
AMD Ryzen 9 7945HX
Ryzen 9 7945HX

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Community ratings

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