Intel Core2 Duo E6420 vs MediaTek Helio P20

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CPU comparison with benchmarks


Intel Core2 Duo E6420 CPU1 vs CPU2 MediaTek Helio P20
Intel Core2 Duo E6420 MediaTek Helio P20

CPU comparison

Intel Core2 Duo E6420 or MediaTek Helio P20 - 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 MediaTek Helio P20 has 8 cores with 8 threads and clocks with a maximum frequency of 2.30 GHz. The CPU supports up to 6 GB of memory in 2 memory channels. The MediaTek Helio P20 was released in Q3/2016.
Intel Core2 Duo (29) Family Mediatek Helio (37)
Intel Core 2 Duo E4000/E6000 (15) CPU group MediaTek Helio P20/P30 (4)
1 Generation 2
Conroe (Core) Architecture Cortex-A53
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 MediaTek Helio P20 has 8 CPU cores with a clock frequency of 2.30 GHz.

Intel Core2 Duo E6420 Characteristic MediaTek Helio P20
2 Cores 8
2 Threads 8
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading No
Yes Overclocking ? No
2.13 GHz A-Core 2.30 GHz
4x Cortex-A53
-- B-Core 1.30 GHz
4x Cortex-A53

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Core2 Duo E6420 Characteristic MediaTek Helio P20
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 ARM Mali-T880 MP2
GPU frequency 0.90 GHz
-- GPU (Turbo) 0.90 GHz
-- GPU Generation Midgard 4
Technology 16 nm
Max. displays 2
-- Compute units 2
-- Shader 32
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- 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.

no iGPU GPU ARM Mali-T880 MP2
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core2 Duo E6420 supports a maximum of 16 GB of memory in 2 memory channels. The MediaTek Helio P20 can connect up to 6 GB of memory in 2 memory channels.

Intel Core2 Duo E6420 Characteristic MediaTek Helio P20
DDR3-1333, DDR2-1066 Memory LPDDR4X-1600, LPDDR4-1600, LPDDR3-933
16 GB Max. Memory 6 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 --
-- 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 MediaTek Helio P20 is --.

Intel Core2 Duo E6420 Characteristic MediaTek Helio P20
65 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core2 Duo E6420 has a 4.00 MB cache, while the MediaTek Helio P20 cache has a total of 0.00 MB.

Intel Core2 Duo E6420 Characteristic MediaTek Helio P20
65 nm Technology 16 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8-A (64 bit)
MMX, SSE, SSE2, SSE3 ISA extensions --
LGA 775 Socket --
VT-x Virtualization None
No AES-NI No
Windows 10, Linux Operating systems Android
Q2/2007 Release date Q3/2016
-- Release price --
show more data show more data


Rate these processors

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Here you can rate the MediaTek Helio P20 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core2 Duo E6420 (100%)
MediaTek Helio P20 (49%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Core2 Duo E6420 (100%)
MediaTek Helio P20 (81%)

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%)
MediaTek Helio P20 MediaTek Helio P20
8C 8T @ 2.30 GHz
151 (49%)

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%)
MediaTek Helio P20 MediaTek Helio P20
8C 8T @ 2.30 GHz
457 (81%)

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%)
MediaTek Helio P20 MediaTek Helio P20
ARM Mali-T880 MP2 @ 0.90 GHz
61 (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 Core2 Duo E6420 Intel Core2 Duo E6420
2C 2T @ 2.13 GHz
793 (100%)
MediaTek Helio P20 MediaTek Helio P20
8C 8T @ 2.30 GHz
0 (0%)

Devices using this processor

Intel Core2 Duo E6420 MediaTek Helio P20
Unknown Unknown

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