Intel Core 2 Quad Q8400 vs MediaTek Helio P18

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CPU comparison with benchmarks


Intel Core 2 Quad Q8400 CPU1 vs CPU2 MediaTek Helio P18
Intel Core 2 Quad Q8400 MediaTek Helio P18

CPU comparison

In this CPU comparison, we compare the Intel Core 2 Quad Q8400 and the MediaTek Helio P18 and use benchmarks to check which processor is faster.

We compare the Intel Core 2 Quad Q8400 4 core processor released in Q2/2009 with the MediaTek Helio P18 which has 8 CPU cores and was introduced in Q1/2018.
Intel Core2 Quad (19) Family Mediatek Helio (37)
Intel Core 2 Quad Q8000/Q9000 (16) CPU group MediaTek Helio P10 (3)
2 Generation 1
Yorkfield (Penryn) Architecture Cortex-A53
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core 2 Quad Q8400 is a 4 core processor with a clock frequency of 2.66 GHz. The processor can compute 4 threads at the same time. The MediaTek Helio P18 clocks with 2.00 GHz, has 8 CPU cores and can calculate 8 threads in parallel.

Intel Core 2 Quad Q8400 Characteristic MediaTek Helio P18
4 Cores 8
4 Threads 8
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading No
No Overclocking ? No
2.66 GHz A-Core 2.00 GHz
8x Cortex-A53
-- B-Core --

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 Core 2 Quad Q8400 Characteristic MediaTek Helio P18
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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.

no iGPU GPU ARM Mali-T860 MP2
GPU frequency 0.80 GHz
-- GPU (Turbo) 0.80 GHz
-- GPU Generation Midgard 4
Technology 28nm
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-T860 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

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core 2 Quad Q8400, while the MediaTek Helio P18 supports a maximum of 4 GB of memory with a maximum memory bandwidth of 7.4 GB/s enabled.

Intel Core 2 Quad Q8400 Characteristic MediaTek Helio P18
DDR3-1066, DDR2-800 Memory LPDDR3-933
16 GB Max. Memory 4 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
17.1 GB/s Max. Bandwidth 7.4 GB/s
No ECC No
4.00 MB L2 Cache --
-- L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The Intel Core 2 Quad Q8400 has a TDP of 95 W. The TDP of the MediaTek Helio P18 is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core 2 Quad Q8400 Characteristic MediaTek Helio P18
95 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core 2 Quad Q8400 has 4.00 MB cache and is manufactured in 45 nm. The cache of MediaTek Helio P18 is at 0.00 MB. The processor is manufactured in 28 nm.

Intel Core 2 Quad Q8400 Characteristic MediaTek Helio P18
45 nm Technology 28 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8-A (64 bit)
MMX, SSE2, SSE3, SSE4.1 ISA extensions --
LGA 775 Socket --
VT-x, VT-d Virtualization None
No AES-NI No
Windows 10, Linux Operating systems Android
Q2/2009 Release date Q1/2018
-- Release price --
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Rate these processors

Here you can rate the Intel Core 2 Quad Q8400 to help other visitors make their purchasing decisions. The average rating is 4.0 stars (1 ratings). Rate now:
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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 Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
369 (100%)
MediaTek Helio P18 MediaTek Helio P18
8C 8T @ 2.00 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 Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
1155 (100%)
MediaTek Helio P18 MediaTek Helio P18
8C 8T @ 2.00 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 Core 2 Quad Q8400 Intel Core 2 Quad Q8400
@ 0.00 GHz
0 (0%)
MediaTek Helio P18 MediaTek Helio P18
ARM Mali-T860 MP2 @ 0.80 GHz
54 (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 Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
2029 (100%)
MediaTek Helio P18 MediaTek Helio P18
8C 8T @ 2.00 GHz
0 (0%)

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.
Intel Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
894 (100%)
MediaTek Helio P18 MediaTek Helio P18
8C 8T @ 2.00 GHz
0 (0%)

Devices using this processor

Intel Core 2 Quad Q8400 MediaTek Helio P18
Unknown Unknown

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