AMD Athlon II X4 640 vs AMD A4-9120C

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CPU comparison with benchmarks


AMD Athlon II X4 640 CPU1 vs CPU2 AMD A4-9120C
AMD Athlon II X4 640 AMD A4-9120C

CPU comparison

In this CPU comparison, we compare the AMD Athlon II X4 640 and the AMD A4-9120C and use benchmarks to check which processor is faster.

We compare the AMD Athlon II X4 640 4 core processor released in Q2/2010 with the AMD A4-9120C which has 2 CPU cores and was introduced in Q1/2019.
AMD Athlon II (52) Family AMD A (112)
AMD Athlon II X4 (Propus) (10) CPU group AMD A4-9000 (2)
1 Generation 6
Propus Architecture Stoney Ridge (Excavator)
Desktop / Server Segment Mobile
-- Predecessor --
AMD Athlon II X4 740 Successor --

CPU Cores and Base Frequency

The AMD Athlon II X4 640 is a 4 core processor with a clock frequency of 3.00 GHz. The processor can compute 4 threads at the same time. The AMD A4-9120C clocks with 1.60 GHz (2.40 GHz), has 2 CPU cores and can calculate 2 threads in parallel.
AMD Athlon II X4 640 Characteristic AMD A4-9120C
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
3.00 GHz Frequency 1.60 GHz
-- Turbo Frequency (1 Core) 2.40 GHz
-- Turbo Frequency (All Cores) 2.00 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
AMD Athlon II X4 640 Characteristic AMD A4-9120C
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.
no iGPU GPU AMD Radeon R4 (Stoney Ridge)
GPU frequency 0.60 GHz
-- GPU (Turbo) --
-- GPU Generation 7
Technology 28 nm
Max. displays 3
-- Compute units 3
-- Shader 192
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- 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.
no iGPU GPU AMD Radeon R4 (Stoney Ridge)
No Codec h265 / HEVC (8 bit) Decode
No Codec h265 / HEVC (10 bit) Decode
No Codec h264 Decode
No Codec VP9 Decode
No Codec VP8 Decode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the AMD Athlon II X4 640, while the AMD A4-9120C supports a maximum of 8 GB of memory with a maximum memory bandwidth of 15.0 GB/s enabled.
AMD Athlon II X4 640 Characteristic AMD A4-9120C
DDR3-1333 Memory DDR4-1866
16 GB Max. Memory 8 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
21.3 GB/s Max. Bandwidth 15.0 GB/s
No ECC No
2.00 MB L2 Cache --
-- L3 Cache 2.00 MB
2.0 PCIe version 3.0
-- PCIe lanes 8
-- PCIe Bandwidth 7.9 GB/s

Thermal Management

The AMD Athlon II X4 640 has a TDP of 95 W. The TDP of the AMD A4-9120C is 6 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.
AMD Athlon II X4 640 Characteristic AMD A4-9120C
95 W TDP (PL1 / PBP) 6 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 90 °C

Technical details

The AMD Athlon II X4 640 has 2.00 MB cache and is manufactured in 45 nm. The cache of AMD A4-9120C is at 2.00 MB. The processor is manufactured in 28 nm.
AMD Athlon II X4 640 Characteristic AMD A4-9120C
45 nm Technology 28 nm
Unknown Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, 3DNow!, SSE3, SSE4a ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
AM3 Socket FP4
AMD-V Virtualization AMD-V
No AES-NI Yes
Windows 10, Linux Operating systems
Q2/2010 Release date Q1/2019
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Athlon II X4 640 to help other visitors make their purchasing decisions. The average rating is 3.3 stars (6 ratings). Rate now:
Here you can rate the AMD A4-9120C to help other visitors make their purchasing decisions. The average rating is 1.0 stars (16 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
AMD Athlon II X4 640 (0%)
AMD A4-9120C (0%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Athlon II X4 640 (100%)
AMD A4-9120C (71%)

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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
2161 (100%)
AMD A4-9120C AMD A4-9120C
2C 2T @ 2.00 GHz
1545 (71%)

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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
389 (100%)
AMD A4-9120C AMD A4-9120C
2C 2T @ 2.40 GHz
0 (0%)

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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
1471 (100%)
AMD A4-9120C AMD A4-9120C
2C 2T @ 2.00 GHz
0 (0%)

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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
386 (100%)
AMD A4-9120C AMD A4-9120C
2C 2T @ 2.40 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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
1332 (100%)
AMD A4-9120C AMD A4-9120C
2C 2T @ 2.00 GHz
0 (0%)

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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
152 (100%)
AMD A4-9120C AMD A4-9120C
2C 2T @ 2.40 GHz
0 (0%)

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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
582 (100%)
AMD A4-9120C AMD A4-9120C
2C 2T @ 2.00 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 Athlon II X4 640 AMD Athlon II X4 640
@ 0.00 GHz
0 (0%)
AMD A4-9120C AMD A4-9120C
AMD Radeon R4 (Stoney Ridge) @ 0.60 GHz
230 (100%)

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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
557 (100%)
AMD A4-9120C AMD A4-9120C
2C 2T @ 1.60 GHz
0 (0%)

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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
71 (100%)
AMD A4-9120C AMD A4-9120C
2C 2T @ 2.40 GHz
0 (0%)

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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
274 (100%)
AMD A4-9120C AMD A4-9120C
2C 2T @ 2.00 GHz
0 (0%)

Devices using this processor
AMD Athlon II X4 640 AMD A4-9120C
Unknown Unknown

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