AMD A9-9420 vs AMD A12-9800

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CPU comparison with benchmarks


AMD A9-9420 CPU1 vs CPU2 AMD A12-9800
AMD A9-9420 AMD A12-9800

CPU comparison

AMD A9-9420 or AMD A12-9800 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD A9-9420 has 2 cores with 2 threads and clocks with a maximum frequency of 3.60 GHz. Up to 8 GB of memory is supported in 1 memory channels. The AMD A9-9420 was released in Q2/2017.

The AMD A12-9800 has 4 cores with 4 threads and clocks with a maximum frequency of 4.20 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The AMD A12-9800 was released in Q3/2017.
AMD A (112) Family AMD A (112)
AMD A9-9000 (4) CPU group AMD A12-9800 (1)
4 Generation 7
Stoney Ridge (Excavator) Architecture Excavator (Bristol Ridge)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD A9-9420 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD A9-9420 is 3.00 GHz (3.60 GHz) while the AMD A12-9800 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD A12-9800 is at 3.80 GHz (4.20 GHz).
AMD A9-9420 Characteristic AMD A12-9800
2 Cores 4
2 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
3.00 GHz Frequency 3.80 GHz
3.60 GHz Turbo Frequency (1 Core) 4.20 GHz
3.00 GHz Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
AMD A9-9420 Characteristic AMD A12-9800
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD A9-9420 or AMD A12-9800 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
AMD Radeon R5 (Stoney Ridge) GPU AMD Radeon R7 - 512 (Bristol Ridge)
0.85 GHz GPU frequency 1.11 GHz
-- GPU (Turbo) --
7 GPU Generation 6
28 nm Technology 28 nm
3 Max. displays 2
3 Compute units 8
192 Shader 512
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
12 DirectX Version 12

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
AMD Radeon R5 (Stoney Ridge) GPU AMD Radeon R7 - 512 (Bristol Ridge)
Decode Codec h265 / HEVC (8 bit) No
Decode Codec h265 / HEVC (10 bit) No
Decode Codec h264 Decode
Decode Codec VP9 No
Decode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD A9-9420 can use up to 8 GB of memory in 1 memory channels. The maximum memory bandwidth is 17.1 GB/s. The AMD A12-9800 supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s.
AMD A9-9420 Characteristic AMD A12-9800
DDR4-2133 Memory DDR4-2400
8 GB Max. Memory 64 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
17.1 GB/s Max. Bandwidth 38.4 GB/s
No ECC No
-- L2 Cache 2.00 MB
2.00 MB L3 Cache --
3.0 PCIe version 3.0
8 PCIe lanes 8
7.9 GB/s PCIe Bandwidth 7.9 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD A9-9420 is 15 W, while the AMD A12-9800 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD A9-9420 Characteristic AMD A12-9800
15 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
25 W TDP up --
10 W TDP down --
90 °C Tjunction max. 90 °C

Technical details

The AMD A9-9420 is manufactured in 28 nm and has 2.00 MB cache. The AMD A12-9800 is manufactured in 28 nm and has a 2.00 MB cache.
AMD A9-9420 Characteristic AMD A12-9800
28 nm Technology 28 nm
Unknown Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4.1, SSE4.2, AVX, AVX2, FMA3, FMA4
FP4 Socket AM4 (PGA 1331)
AMD-V Virtualization AMD-V
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q2/2017 Release date Q3/2017
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD A9-9420 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (2 ratings). Rate now:
Here you can rate the AMD A12-9800 to help other visitors make their purchasing decisions. The average rating is 4.0 stars (2 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD A9-9420 (82%)
AMD A12-9800 (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD A9-9420 (43%)
AMD A12-9800 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD A9-9420 AMD A9-9420
2C 2T @ 3.60 GHz
497 (82%)
AMD A12-9800 AMD A12-9800
4C 4T @ 4.20 GHz
607 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD A9-9420 AMD A9-9420
2C 2T @ 3.00 GHz
805 (44%)
AMD A12-9800 AMD A12-9800
4C 4T @ 3.80 GHz
1827 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD A9-9420 AMD A9-9420
AMD Radeon R5 (Stoney Ridge) @ 0.85 GHz
325 (28%)
AMD A12-9800 AMD A12-9800
AMD Radeon R7 - 512 (Bristol Ridge) @ 1.11 GHz
1143 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD A9-9420 AMD A9-9420
2C 2T @ 3.60 GHz
81 (81%)
AMD A12-9800 AMD A12-9800
4C 4T @ 4.20 GHz
100 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD A9-9420 AMD A9-9420
2C 2T @ 3.00 GHz
134 (41%)
AMD A12-9800 AMD A12-9800
4C 4T @ 3.80 GHz
326 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD A9-9420 AMD A9-9420
2C 2T @ 3.60 GHz
0 (0%)
AMD A12-9800 AMD A12-9800
4C 4T @ 4.20 GHz
655 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD A9-9420 AMD A9-9420
2C 2T @ 3.00 GHz
0 (0%)
AMD A12-9800 AMD A12-9800
4C 4T @ 3.80 GHz
1979 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD A9-9420 AMD A9-9420
2C 2T @ 3.60 GHz
0 (0%)
AMD A12-9800 AMD A12-9800
4C 4T @ 4.20 GHz
254 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD A9-9420 AMD A9-9420
2C 2T @ 3.00 GHz
0 (0%)
AMD A12-9800 AMD A12-9800
4C 4T @ 3.80 GHz
762 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD A9-9420 AMD A9-9420
2C 2T @ 3.00 GHz
2348 (100%)
AMD A12-9800 AMD A12-9800
4C 4T @ 3.80 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD A9-9420 AMD A9-9420
2C 2T @ 3.00 GHz
328 (100%)
AMD A12-9800 AMD A12-9800
4C 4T @ 3.80 GHz
0 (0%)

Devices using this processor
AMD A9-9420 AMD A12-9800
Unknown Unknown

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