Intel Pentium N3520 vs AMD Phenom II X4 820

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CPU comparison with benchmarks


Intel Pentium N3520 CPU1 vs CPU2 AMD Phenom II X4 820
Intel Pentium N3520 AMD Phenom II X4 820

CPU comparison

Intel Pentium N3520 or AMD Phenom II X4 820 - 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 Intel Pentium N3520 has 4 cores with 4 threads and clocks with a maximum frequency of 2.42 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Intel Pentium N3520 was released in Q4/2013.

The AMD Phenom II X4 820 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 Phenom II X4 820 was released in Q3/2009.
Intel Pentium (150) Family AMD Phenom II (52)
Intel Pentium J2000/N3500 (6) CPU group AMD Phenom II - 800/900 (23)
6 Generation 4
Bay Trail Architecture Deneb (K10)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Pentium N3520 is a 4 core processor with a clock frequency of 2.17 GHz (2.42 GHz). The AMD Phenom II X4 820 has 4 CPU cores with a clock frequency of 2.80 GHz.

Intel Pentium N3520 Characteristic AMD Phenom II X4 820
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? Yes
2.17 GHz Frequency 2.80 GHz
2.42 GHz Turbo Frequency (1 Core) --
2.42 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.

Intel Pentium N3520 Characteristic AMD Phenom II X4 820
-- AI hardware --
-- AI specifications --

Internal Graphics

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.

Intel HD Graphics (Bay Trail GT1) GPU no iGPU
0.31 GHz GPU frequency --
0.85 GHz GPU (Turbo) --
7 GPU Generation --
22 nm Technology
2 Max. displays
4 Compute units --
32 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
11.2 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.

Intel HD Graphics (Bay Trail GT1) GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

The Intel Pentium N3520 supports a maximum of 8 GB of memory in 2 memory channels. The AMD Phenom II X4 820 can connect up to GB of memory in 2 memory channels.

Intel Pentium N3520 Characteristic AMD Phenom II X4 820
DDR3-1333 Memory DDR3-1333, DDR2-1066
8 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 4.00 MB
2.0 PCIe version --
4 PCIe lanes --
2.0 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Pentium N3520 has a TDP of 7.5 W, that of the AMD Phenom II X4 820 is 95 W.

Intel Pentium N3520 Characteristic AMD Phenom II X4 820
7.5 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
4.5 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Pentium N3520 has a 2.00 MB cache, while the AMD Phenom II X4 820 cache has a total of 4.00 MB.

Intel Pentium N3520 Characteristic AMD Phenom II X4 820
22 nm Technology 45 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE3, SSE4a
BGA 1170 Socket AM3
VT-x, VT-x EPT Virtualization AMD-V
No AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q4/2013 Release date Q3/2009
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks

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.
Intel Pentium N3520 Intel Pentium N3520
4C 4T @ 2.42 GHz
237 (66%)
AMD Phenom II X4 820 AMD Phenom II X4 820
4C 4T @ 2.80 GHz
361 (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.
Intel Pentium N3520 Intel Pentium N3520
4C 4T @ 2.42 GHz
752 (64%)
AMD Phenom II X4 820 AMD Phenom II X4 820
4C 4T @ 2.80 GHz
1177 (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.
Intel Pentium N3520 Intel Pentium N3520
4C 4T @ 2.42 GHz
1139 (54%)
AMD Phenom II X4 820 AMD Phenom II X4 820
4C 4T @ 2.80 GHz
2106 (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.
Intel Pentium N3520 Intel Pentium N3520
4C 4T @ 2.42 GHz
38 (51%)
AMD Phenom II X4 820 AMD Phenom II X4 820
4C 4T @ 2.80 GHz
74 (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.
Intel Pentium N3520 Intel Pentium N3520
4C 4T @ 2.42 GHz
143 (50%)
AMD Phenom II X4 820 AMD Phenom II X4 820
4C 4T @ 2.80 GHz
284 (100%)

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.
Intel Pentium N3520 Intel Pentium N3520
4C 4T @ 2.42 GHz
184 (100%)
AMD Phenom II X4 820 AMD Phenom II X4 820
4C 4T @ 2.80 GHz
0 (0%)

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.
Intel Pentium N3520 Intel Pentium N3520
4C 4T @ 2.42 GHz
560 (100%)
AMD Phenom II X4 820 AMD Phenom II X4 820
4C 4T @ 2.80 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.
Intel Pentium N3520 Intel Pentium N3520
Intel HD Graphics (Bay Trail GT1) @ 0.85 GHz
55 (100%)
AMD Phenom II X4 820 AMD Phenom II X4 820
@ 0.00 GHz
0 (0%)

Devices using this processor

Intel Pentium N3520 AMD Phenom II X4 820
Unknown Unknown

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