AMD C-70 vs AMD A8-3820

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CPU comparison with benchmarks


AMD C-70 CPU1 vs CPU2 AMD A8-3820
AMD C-70 AMD A8-3820

CPU comparison

AMD C-70 or AMD A8-3820 - 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 C-70 has 2 cores with 2 threads and clocks with a maximum frequency of 1.33 GHz. Up to GB of memory is supported in 1 memory channels. The AMD C-70 was released in Q3/2012.

The AMD A8-3820 has 4 cores with 4 threads and clocks with a maximum frequency of 2.80 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A8-3820 was released in Q4/2011.
AMD C (6) Family AMD A (112)
AMD C (6) CPU group AMD A8-3000 (4)
1 Generation 1
Ontario (Bobcat) Architecture Llano (K10)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD C-70 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD C-70 is 1.00 GHz (1.33 GHz) while the AMD A8-3820 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD A8-3820 is at 2.50 GHz (2.80 GHz).

AMD C-70 Characteristic AMD A8-3820
2 Cores 4
2 Threads 4
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? Yes
1.00 GHz Frequency 2.50 GHz
1.33 GHz Turbo Frequency (1 Core) 2.80 GHz
1.33 GHz Turbo Frequency (All Cores) 2.80 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 C-70 Characteristic AMD A8-3820
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD C-70 or AMD A8-3820 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 HD 6290 GPU AMD Radeon HD 6550D
0.28 GHz GPU frequency 0.60 GHz
0.40 GHz GPU (Turbo) --
3 GPU Generation 3
40 nm Technology 32 nm
2 Max. displays 2
1 Compute units 5
80 Shader 400
No Hardware Raytracing No
No Frame Generation No
1 GB Max. GPU Memory 1 GB
11 DirectX Version 11

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 6290 GPU AMD Radeon HD 6550D
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode Codec h264 Decode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD C-70 can use up to GB of memory in 1 memory channels. The maximum memory bandwidth is 8.5 GB/s. The AMD A8-3820 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s.

AMD C-70 Characteristic AMD A8-3820
DDR3-1066 Memory DDR3-1600
Max. Memory
1 (Single Channel) Memory channels 2 (Dual Channel)
8.5 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
1.00 MB L3 Cache 4.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the AMD C-70 is 9 W, while the AMD A8-3820 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD C-70 Characteristic AMD A8-3820
9 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD C-70 is manufactured in 40 nm and has 1.00 MB cache. The AMD A8-3820 is manufactured in 32 nm and has a 4.00 MB cache.

AMD C-70 Characteristic AMD A8-3820
40 nm Technology 32 nm
Unknown Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE3, SSE4a
BGA 413 Socket FM1
AMD-V Virtualization AMD-V
No AES-NI No
Operating systems Windows 10, Linux
Q3/2012 Release date Q4/2011
-- Release price 85 $
show more data show more data


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Here you can rate the AMD A8-3820 to help other visitors make their purchasing decisions. The average rating is 2.5 stars (2 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
AMD C-70 (0%)
AMD A8-3820 (0%)
⌀ Multi core performance in 1 CPU benchmarks
AMD C-70 (28%)
AMD A8-3820 (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 C-70 AMD C-70
AMD Radeon HD 6290 @ 0.40 GHz
64 (13%)
AMD A8-3820 AMD A8-3820
AMD Radeon HD 6550D @ 0.60 GHz
480 (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 C-70 AMD C-70
2C 2T @ 1.33 GHz
598 (28%)
AMD A8-3820 AMD A8-3820
4C 4T @ 2.80 GHz
2162 (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 C-70 AMD C-70
2C 2T @ 1.33 GHz
0 (0%)
AMD A8-3820 AMD A8-3820
4C 4T @ 2.80 GHz
354 (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 C-70 AMD C-70
2C 2T @ 1.33 GHz
0 (0%)
AMD A8-3820 AMD A8-3820
4C 4T @ 2.80 GHz
1264 (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 C-70 AMD C-70
2C 2T @ 1.00 GHz
73 (100%)
AMD A8-3820 AMD A8-3820
4C 4T @ 2.50 GHz
0 (0%)

Devices using this processor

AMD C-70 AMD A8-3820
Unknown Unknown

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