AMD A8-3820 vs Intel Pentium 3558U

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CPU comparison with benchmarks


AMD A8-3820 CPU1 vs CPU2 Intel Pentium 3558U
AMD A8-3820 Intel Pentium 3558U

CPU comparison

In this CPU comparison, we compare the AMD A8-3820 and the Intel Pentium 3558U and use benchmarks to check which processor is faster.

We compare the AMD A8-3820 4 core processor released in Q4/2011 with the Intel Pentium 3558U which has 2 CPU cores and was introduced in Q4/2013.
AMD A (112) Family Intel Pentium (150)
AMD A8-3000 (4) CPU group Intel Pentium 3000 (8)
1 Generation 4
Llano (K10) Architecture Haswell U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD A8-3820 is a 4 core processor with a clock frequency of 2.50 GHz (2.80 GHz). The processor can compute 4 threads at the same time. The Intel Pentium 3558U clocks with 1.70 GHz, has 2 CPU cores and can calculate 2 threads in parallel.

AMD A8-3820 Characteristic Intel Pentium 3558U
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
2.50 GHz Frequency 1.70 GHz
2.80 GHz Turbo Frequency (1 Core) --
2.80 GHz Turbo Frequency (All Cores) --

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 A8-3820 Characteristic Intel Pentium 3558U
-- 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.

AMD Radeon HD 6550D GPU Intel HD Graphics (Haswell GT1)
0.60 GHz GPU frequency 0.20 GHz
-- GPU (Turbo) 1.00 GHz
3 GPU Generation 7.5
32 nm Technology 22 nm
2 Max. displays 3
5 Compute units 10
400 Shader 80
No Hardware Raytracing No
No Frame Generation No
1 GB Max. GPU Memory 2 GB
11 DirectX Version 11.1

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 6550D GPU Intel HD Graphics (Haswell GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD A8-3820, while the Intel Pentium 3558U supports a maximum of 16 GB of memory with a maximum memory bandwidth of 25.6 GB/s enabled.

AMD A8-3820 Characteristic Intel Pentium 3558U
DDR3-1600 Memory LPDDR3-1333, LPDDR3-1600, DDR3L-1333, DDR3L-1600
Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
4.00 MB L3 Cache 2.00 MB
-- PCIe version 2.0
-- PCIe lanes 10
-- PCIe Bandwidth 5.0 GB/s

Thermal Management

The AMD A8-3820 has a TDP of 65 W. The TDP of the Intel Pentium 3558U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD A8-3820 Characteristic Intel Pentium 3558U
65 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The AMD A8-3820 has 4.00 MB cache and is manufactured in 32 nm. The cache of Intel Pentium 3558U is at 2.00 MB. The processor is manufactured in 22 nm.

AMD A8-3820 Characteristic Intel Pentium 3558U
32 nm Technology 22 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE4.1, SSE4.2
FM1 Socket BGA 1168
AMD-V Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q4/2011 Release date Q4/2013
85 $ Release price 161 $
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Rate these processors

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:
Here you can rate the Intel Pentium 3558U to help other visitors make their purchasing decisions. The average rating is 1.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD A8-3820 (89%)
Intel Pentium 3558U (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD A8-3820 (100%)
Intel Pentium 3558U (53%)

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 A8-3820 AMD A8-3820
4C 4T @ 2.80 GHz
354 (89%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
398 (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 A8-3820 AMD A8-3820
4C 4T @ 2.80 GHz
1264 (100%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
735 (58%)

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 A8-3820 AMD A8-3820
AMD Radeon HD 6550D @ 0.60 GHz
480 (100%)
Intel Pentium 3558U Intel Pentium 3558U
Intel HD Graphics (Haswell GT1) @ 1.00 GHz
160 (33%)

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 A8-3820 AMD A8-3820
4C 4T @ 2.80 GHz
2162 (100%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
1031 (48%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD A8-3820 AMD A8-3820
4C 4T @ 2.80 GHz
0 (0%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
318 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD A8-3820 AMD A8-3820
4C 4T @ 2.80 GHz
0 (0%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
561 (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 A8-3820 AMD A8-3820
4C 4T @ 2.50 GHz
0 (0%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
346 (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 A8-3820 AMD A8-3820
4C 4T @ 2.80 GHz
0 (0%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
68 (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 A8-3820 AMD A8-3820
4C 4T @ 2.80 GHz
0 (0%)
Intel Pentium 3558U Intel Pentium 3558U
2C 2T @ 1.70 GHz
131 (100%)

Devices using this processor

AMD A8-3820 Intel Pentium 3558U
Unknown Unknown

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