i9-11900K vs A12-9800

Aggregate performance score

A12-9800
2017
4 cores / 4 threads, 65 Watt
2.27
Core i9-11900K
2021
8 cores / 16 threads, 125 Watt
15.86
+599%

Core i9-11900K outperforms A12-9800 by a whopping 599% based on our aggregate benchmark results.

Primary details

Comparing A12-9800 and Core i9-11900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1823428
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.4618.92
Market segmentDesktop processorDesktop processor
Power efficiency3.3112.01
Architecture codenameBristol Ridge (2016−2019)Rocket Lake (2021)
Release date27 July 2017 (7 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$139$539

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-11900K has 1196% better value for money than A12-9800.

Detailed specifications

A12-9800 and Core i9-11900K 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)8 (Octa-Core)
Threads416
Base clock speed3.8 GHz3.5 GHz
Boost clock speed4.2 GHz5.2 GHz
Bus rateno data8 GT/s
L1 cacheno data80 KB (per core)
L2 cache2048 KB512 KB (per core)
L3 cache0 KB16 MB (shared)
Chip lithography28 nm14 nm
Die size246 mm2276 mm2
Maximum core temperature90 °C100 °C
Maximum case temperature (TCase)74 °C72 °C
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on A12-9800 and Core i9-11900K 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
SocketAM4FCLGA1200
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A12-9800 and Core i9-11900K. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
FMA+-
AVX++
FRTC+-
FreeSync+-
PowerTune+-
TrueAudio+-
PowerNow+-
PowerGating+-
VirusProtect+-
vProno data+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
SIPP-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

A12-9800 and Core i9-11900K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A12-9800 and Core i9-11900K are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A12-9800 and Core i9-11900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR4
Maximum memory sizeno data128 GB
Max memory channels22
Maximum memory bandwidthno data50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon R7 GraphicsIntel UHD Graphics 750
iGPU core count8no data
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Enduro+-
UVD+-
VCE+-
Graphics max frequencyno data1.3 GHz
Execution Unitsno data32
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of A12-9800 and Core i9-11900K integrated GPUs.

Number of displays supportedno data3
DisplayPort+-
HDMI+-

Graphics image quality

Maximum display resolutions supported by A12-9800 and Core i9-11900K integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2160@60Hz
Max resolution over eDPno data5120 x 3200 @60Hz
Max resolution over DisplayPortno data5120 x 3200 @60Hz

Graphics API support

APIs supported by A12-9800 and Core i9-11900K integrated GPUs, sometimes API versions are included.

DirectXDirectX® 1212.1
OpenGLno data4.5
Vulkan+-

Peripherals

Specifications and connection of peripherals supported by A12-9800 and Core i9-11900K.

PCIe version3.04.0
PCI Express lanes820

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.

A12-9800 2.27
i9-11900K 15.86
+599%

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.

A12-9800 3611
i9-11900K 25193
+598%

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.

A12-9800 693
i9-11900K 2391
+245%

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.

A12-9800 1673
i9-11900K 10979
+556%

Gaming performance

Pros & cons summary


Performance score 2.27 15.86
Recency 27 July 2017 16 March 2021
Physical cores 4 8
Threads 4 16
Chip lithography 28 nm 14 nm
Power consumption (TDP) 65 Watt 125 Watt

A12-9800 has 92.3% lower power consumption.

i9-11900K, on the other hand, has a 598.7% higher aggregate performance score, an age advantage of 3 years, 100% more physical cores and 300% more threads, and a 100% more advanced lithography process.

The Core i9-11900K is our recommended choice as it beats the A12-9800 in performance tests.


Should you still have questions on choice between A12-9800 and Core i9-11900K, ask them in Comments section, and we shall answer.

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AMD A12-9800
A12-9800
Intel Core i9-11900K
Core i9-11900K

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Community ratings

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Questions & comments

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