Pentium Gold G6400 vs A9-9420

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Aggregate performance score

A9-9420
2016
2 cores / 2 threads, 15 Watt
0.94
Pentium Gold G6400
2020
2 cores / 4 threads, 58 Watt
2.60
+177%

Pentium Gold G6400 outperforms A9-9420 by a whopping 177% based on our aggregate benchmark results.

Primary details

Comparing A9-9420 and Pentium Gold G6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking25231735
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD Bristol Ridgeno data
Power efficiency5.934.24
Architecture codenameStoney Ridge (2016−2019)Comet Lake (2020)
Release date31 May 2016 (8 years ago)30 April 2020 (4 years ago)

Detailed specifications

A9-9420 and Pentium Gold G6400 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 cores2 (Dual-core)2 (Dual-core)
Threads24
Base clock speed3 GHz4 GHz
Boost clock speed3.6 GHz4 GHz
Bus rateno data8 GT/s
L1 cache160 KB64K (per core)
L2 cache1 MB (shared)256K (per core)
L3 cache0 KB4 MB (shared)
Chip lithography28 nm14 nm
Die size125 mm2no data
Maximum core temperature90 °C100 °C
Maximum case temperature (TCase)74 °C72 °C
Number of transistors1,200 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on A9-9420 and Pentium Gold G6400 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
SocketFT4FCLGA1200
Power consumption (TDP)15 Watt58 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A9-9420 and Pentium Gold G6400. You'll probably need this information if you require some particular technology.

Instruction set extensionsVirtualization,Intel® SSE4.1, Intel® SSE4.2
AES-NI++
FMA+-
AVX++
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data-

Security technologies

A9-9420 and Pentium Gold G6400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A9-9420 and Pentium Gold G6400 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 A9-9420 and Pentium Gold G6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-2666
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardRadeon R5Intel UHD Graphics 610
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.05 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of A9-9420 and Pentium Gold G6400 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by A9-9420 and Pentium Gold G6400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2160@30Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by A9-9420 and Pentium Gold G6400 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by A9-9420 and Pentium Gold G6400.

PCIe version3.03.0
PCI Express lanes816

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.

A9-9420 0.94
Pentium Gold G6400 2.60
+177%

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.

A9-9420 1500
Pentium Gold G6400 4123
+175%

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.

A9-9420 325
Pentium Gold G6400 801
+146%

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.

A9-9420 500
Pentium Gold G6400 1655
+231%

Gaming performance

Pros & cons summary


Performance score 0.94 2.60
Recency 31 May 2016 30 April 2020
Threads 2 4
Chip lithography 28 nm 14 nm
Power consumption (TDP) 15 Watt 58 Watt

A9-9420 has 286.7% lower power consumption.

Pentium Gold G6400, on the other hand, has a 176.6% higher aggregate performance score, an age advantage of 3 years, 100% more threads, and a 100% more advanced lithography process.

The Pentium Gold G6400 is our recommended choice as it beats the A9-9420 in performance tests.

Be aware that A9-9420 is a notebook processor while Pentium Gold G6400 is a desktop one.


Should you still have questions on choice between A9-9420 and Pentium Gold G6400, ask them in Comments section, and we shall answer.

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AMD A9-9420
A9-9420
Intel Pentium Gold G6400
Pentium Gold G6400

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Community ratings

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Questions & comments

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