Ryzen 9 9900X vs i5-8279U

VS

Aggregate performance score

Core i5-8279U
2019
4 cores / 8 threads, 28 Watt
4.89
Ryzen 9 9900X
2024
12 cores / 24 threads, 120 Watt
35.82
+633%

Ryzen 9 9900X outperforms Core i5-8279U by a whopping 633% based on our aggregate benchmark results.

Primary details

Comparing Core i5-8279U and Ryzen 9 9900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1254107
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data66.71
Market segmentLaptopDesktop processor
SeriesIntel Core i5no data
Power efficiency15.9227.24
Architecture codenameCoffee Lake-U (2018−2019)Granite Ridge (2024)
Release date3 April 2019 (5 years ago)15 August 2024 (less than a year ago)
Launch price (MSRP)$320$499

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8279U 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 cores4 (Quad-Core)12 (Dodeca-Core)
Threads824
Base clock speed2.4 GHz4.4 GHz
Boost clock speed4.1 GHz5.6 GHz
Bus rate4 GT/sno data
L1 cache64K (per core)80 KB (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache6 MB (shared)64 MB (shared)
Chip lithography14 nm4 nm
Die size126 mm22x 70.6 mm2
Maximum core temperature100 °C95 °C
Number of transistors2,300 million16,630 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier-+

Compatibility

Information on Core i5-8279U 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
SocketFCBGA1528AM5
Power consumption (TDP)28 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8279U and Ryzen 9 9900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
eDRAM128 MBno data
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Precision Boost 2no data+

Security technologies

Core i5-8279U and Ryzen 9 9900X 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 i5-8279U and Ryzen 9 9900X 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 i5-8279U and Ryzen 9 9900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth37.5 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel Iris Plus Graphics 655AMD Radeon Graphics
Max video memory32 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.15 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-8279U and Ryzen 9 9900X integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-8279U and Ryzen 9 9900X integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@30Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Core i5-8279U and Ryzen 9 9900X integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8279U and Ryzen 9 9900X.

PCIe version3.05.0
PCI Express lanes1624

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.

i5-8279U 4.89
Ryzen 9 9900X 35.82
+633%

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.

i5-8279U 7490
Ryzen 9 9900X 54813
+632%

Blender(-)

i5-8279U 627
+546%
Ryzen 9 9900X 97

7-Zip Single

i5-8279U 4276
Ryzen 9 9900X 8020
+87.6%

7-Zip

i5-8279U 22683
Ryzen 9 9900X 122724
+441%

Gaming performance

Pros & cons summary


Performance score 4.89 35.82
Integrated graphics card 4.49 1.98
Recency 3 April 2019 15 August 2024
Physical cores 4 12
Threads 8 24
Chip lithography 14 nm 4 nm
Power consumption (TDP) 28 Watt 120 Watt

i5-8279U has 126.8% faster integrated GPU, and 328.6% lower power consumption.

Ryzen 9 9900X, on the other hand, has a 632.5% higher aggregate performance score, an age advantage of 5 years, 200% more physical cores and 200% more threads, and a 250% more advanced lithography process.

The Ryzen 9 9900X is our recommended choice as it beats the Core i5-8279U in performance tests.

Be aware that Core i5-8279U is a notebook processor while Ryzen 9 9900X is a desktop one.


Should you still have questions on choice between Core i5-8279U and Ryzen 9 9900X, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-8279U
Core i5-8279U
AMD Ryzen 9 9900X
Ryzen 9 9900X

Similar processor comparisons

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Community ratings

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Questions & comments

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