AMD A4-3420 vs AMD FX-8140

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CPU comparison with benchmarks


AMD A4-3420 CPU1 vs CPU2 AMD FX-8140
AMD A4-3420 AMD FX-8140

CPU comparison

AMD A4-3420 or AMD FX-8140 - 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 A4-3420 has 2 cores with 2 threads and clocks with a maximum frequency of 2.80 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A4-3420 was released in Q4/2011.

The AMD FX-8140 has 8 cores with 8 threads and clocks with a maximum frequency of 4.10 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD FX-8140 was released in Q4/2012.
AMD A (112) Family AMD FX (30)
AMD A4-3000 (3) CPU group AMD FX-8000 (11)
1 Generation 2
Llano (K10) Architecture Vishera (Bulldozer)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD A4-3420 is a 2 core processor with a clock frequency of 2.80 GHz. The AMD FX-8140 has 8 CPU cores with a clock frequency of 3.20 GHz (4.10 GHz).

AMD A4-3420 Characteristic AMD FX-8140
2 Cores 8
2 Threads 8
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? Yes
2.80 GHz Frequency 3.20 GHz
-- Turbo Frequency (1 Core) 4.10 GHz
-- Turbo Frequency (All Cores) 4.10 GHz

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 A4-3420 Characteristic AMD FX-8140
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

AMD Radeon HD 6410D GPU no iGPU
0.60 GHz GPU frequency --
-- GPU (Turbo) --
3 GPU Generation --
32 nm Technology
2 Max. displays
2 Compute units --
160 Shader --
No Hardware Raytracing No
No Frame Generation No
1 GB Max. GPU Memory --
11 DirectX Version --

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 HD 6410D GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The AMD A4-3420 supports a maximum of GB of memory in 2 memory channels. The AMD FX-8140 can connect up to GB of memory in 2 memory channels.

AMD A4-3420 Characteristic AMD FX-8140
DDR3-1600 Memory DDR3-1866
Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 29.9 GB/s
No ECC Yes
-- L2 Cache --
1.00 MB L3 Cache 8.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD A4-3420 has a TDP of 65 W, that of the AMD FX-8140 is 95 W.

AMD A4-3420 Characteristic AMD FX-8140
65 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD A4-3420 has a 1.00 MB cache, while the AMD FX-8140 cache has a total of 8.00 MB.

AMD A4-3420 Characteristic AMD FX-8140
32 nm Technology 32 nm
Unknown Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE4.1, SSE4.2, AVX, FMA3, FMA4
FM1 Socket AM3+
AMD-V Virtualization AMD-V
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q4/2011 Release date Q4/2012
-- Release price --
show more data show more data


Rate these processors

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Here you can rate the AMD FX-8140 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
AMD A4-3420 (0%)
AMD FX-8140 (0%)
⌀ Multi core performance in 1 CPU benchmarks
AMD A4-3420 (26%)
AMD FX-8140 (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 A4-3420 AMD A4-3420
2C 2T @ 2.80 GHz
1768 (26%)
AMD FX-8140 AMD FX-8140
8C 8T @ 4.10 GHz
6845 (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 A4-3420 AMD A4-3420
2C 2T @ 2.80 GHz
348 (100%)
AMD FX-8140 AMD FX-8140
8C 8T @ 4.10 GHz
0 (0%)

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 A4-3420 AMD A4-3420
2C 2T @ 2.80 GHz
621 (100%)
AMD FX-8140 AMD FX-8140
8C 8T @ 4.10 GHz
0 (0%)

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 A4-3420 AMD A4-3420
AMD Radeon HD 6410D @ 0.60 GHz
192 (100%)
AMD FX-8140 AMD FX-8140
@ 0.00 GHz
0 (0%)

Devices using this processor

AMD A4-3420 AMD FX-8140
Unknown Unknown

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