Intel Core2 Duo E6420 vs Intel Atom Z3530

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CPU comparison with benchmarks


Intel Core2 Duo E6420 CPU1 vs CPU2 Intel Atom Z3530
Intel Core2 Duo E6420 Intel Atom Z3530

CPU comparison

Intel Core2 Duo E6420 or Intel Atom Z3530 - 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 Core2 Duo E6420 has 2 cores with 2 threads and clocks with a maximum frequency of 2.13 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core2 Duo E6420 was released in Q2/2007.

The Intel Atom Z3530 has 4 cores with 4 threads and clocks with a maximum frequency of 1.33 GHz. The CPU supports up to 4 GB of memory in 2 memory channels. The Intel Atom Z3530 was released in Q2/2014.
Intel Core2 Duo (29) Family Intel Atom (108)
Intel Core 2 Duo E4000/E6000 (15) CPU group Intel Atom Z3500 (3)
1 Generation 5
Conroe (Core) Architecture Moorefield
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core2 Duo E6420 is a 2 core processor with a clock frequency of 2.13 GHz. The Intel Atom Z3530 has 4 CPU cores with a clock frequency of 1.33 GHz.

Intel Core2 Duo E6420 Characteristic Intel Atom Z3530
2 Cores 4
2 Threads 4
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
2.13 GHz Frequency 1.33 GHz
-- Turbo Frequency (1 Core) --
-- 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 Core2 Duo E6420 Characteristic Intel Atom Z3530
-- 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.

no iGPU GPU PowerVR G6430
GPU frequency 0.46 GHz
-- GPU (Turbo) --
-- GPU Generation --
Technology 28 nm
Max. displays 2
-- Compute units 16
-- Shader 128
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version 10

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 PowerVR G6430
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Core2 Duo E6420 supports a maximum of 16 GB of memory in 2 memory channels. The Intel Atom Z3530 can connect up to 4 GB of memory in 2 memory channels.

Intel Core2 Duo E6420 Characteristic Intel Atom Z3530
DDR3-1333, DDR2-1066 Memory LPDDR3-1600
16 GB Max. Memory 4 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 12.8 GB/s
No ECC No
4.00 MB L2 Cache 2.00 MB
-- L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core2 Duo E6420 has a TDP of 65 W, that of the Intel Atom Z3530 is --.

Intel Core2 Duo E6420 Characteristic Intel Atom Z3530
65 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 90 °C

Technical details

The Intel Core2 Duo E6420 has a 4.00 MB cache, while the Intel Atom Z3530 cache has a total of 2.00 MB.

Intel Core2 Duo E6420 Characteristic Intel Atom Z3530
65 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE, SSE2, SSE3 ISA extensions MMX, SSE3, SSSE3, SSE4.1, SSE4.2,
LGA 775 Socket FC-MB5T1064
VT-x Virtualization Intel VT-x
No AES-NI Yes
Windows 10, Linux Operating systems
Q2/2007 Release date Q2/2014
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
Intel Core2 Duo E6420 (0%)
Intel Atom Z3530 (0%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Core2 Duo E6420 (100%)
Intel Atom Z3530 (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.
Intel Core2 Duo E6420 Intel Core2 Duo E6420
2C 2T @ 2.13 GHz
793 (100%)
Intel Atom Z3530 Intel Atom Z3530
4C 4T @ 1.33 GHz
565 (71%)

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 Core2 Duo E6420 Intel Core2 Duo E6420
2C 2T @ 2.13 GHz
308 (100%)
Intel Atom Z3530 Intel Atom Z3530
4C 4T @ 1.33 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.
Intel Core2 Duo E6420 Intel Core2 Duo E6420
2C 2T @ 2.13 GHz
565 (100%)
Intel Atom Z3530 Intel Atom Z3530
4C 4T @ 1.33 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 Core2 Duo E6420 Intel Core2 Duo E6420
@ 0.00 GHz
0 (0%)
Intel Atom Z3530 Intel Atom Z3530
PowerVR G6430 @ 0.46 GHz
117 (100%)

Devices using this processor

Intel Core2 Duo E6420 Intel Atom Z3530
Unknown Unknown

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