Intel Celeron G1820T vs MediaTek MT8121

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CPU comparison with benchmarks


Intel Celeron G1820T CPU1 vs CPU2 MediaTek MT8121
Intel Celeron G1820T MediaTek MT8121

CPU comparison

Intel Celeron G1820T or MediaTek MT8121 - 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 Celeron G1820T has 2 cores with 2 threads and clocks with a maximum frequency of 2.40 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Celeron G1820T was released in Q1/2014.

The MediaTek MT8121 has 4 cores with 4 threads and clocks with a maximum frequency of 1.30 GHz. The CPU supports up to GB of memory in 0 memory channels. The MediaTek MT8121 was released in Q4/2013.
Intel Celeron (165) Family Mediatek MT-Serie (72)
Intel Celeron G1000 (12) CPU group MediaTek MT81xx A7 (5)
3 Generation 1
Ivy Bridge S Architecture Cortex-A7
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Celeron G1820T has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Celeron G1820T is 2.40 GHz while the MediaTek MT8121 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the MediaTek MT8121 is at 1.30 GHz.

Intel Celeron G1820T Characteristic MediaTek MT8121
2 Cores 4
2 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.40 GHz Frequency 1.30 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 Celeron G1820T Characteristic MediaTek MT8121
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Celeron G1820T or MediaTek MT8121 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Intel HD Graphics (Haswell GT1) GPU PowerVR SGX544
0.20 GHz GPU frequency 0.16 GHz
1.05 GHz GPU (Turbo) 0.16 GHz
7.5 GPU Generation --
22 nm Technology 45nm
3 Max. displays 1
10 Compute units 2
80 Shader 4
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
11.1 DirectX Version 10.1

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.

Intel HD Graphics (Haswell GT1) GPU PowerVR SGX544
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 Decode
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

The Intel Celeron G1820T can use up to 32 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The MediaTek MT8121 supports up to GB of memory in 0 memory channels and achieves a memory bandwidth of up to --.

Intel Celeron G1820T Characteristic MediaTek MT8121
DDR3-1333 Memory
32 GB Max. Memory
2 (Dual Channel) Memory channels 0
21.3 GB/s Max. Bandwidth --
Yes ECC No
-- L2 Cache --
2.00 MB L3 Cache --
3.0 PCIe version --
16 PCIe lanes --
15.8 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Celeron G1820T is 35 W, while the MediaTek MT8121 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Celeron G1820T Characteristic MediaTek MT8121
35 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Celeron G1820T is manufactured in 22 nm and has 2.00 MB cache. The MediaTek MT8121 is manufactured in 28 nm and has a 0.00 MB cache.

Intel Celeron G1820T Characteristic MediaTek MT8121
22 nm Technology 28 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv7-A (32 bit)
SSE4.1, SSE4.2 ISA extensions --
LGA 1150 Socket --
VT-x, VT-x EPT, VT-d Virtualization None
Yes AES-NI No
Windows 10, Linux Operating systems Android
Q1/2014 Release date Q4/2013
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Celeron G1820T (100%)
MediaTek MT8121 (15%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Celeron G1820T (100%)
MediaTek MT8121 (24%)

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 Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
472 (100%)
MediaTek MT8121 MediaTek MT8121
4C 4T @ 1.30 GHz
71 (15%)

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 Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
1002 (100%)
MediaTek MT8121 MediaTek MT8121
4C 4T @ 1.30 GHz
239 (24%)

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 Celeron G1820T Intel Celeron G1820T
Intel HD Graphics (Haswell GT1) @ 1.05 GHz
168 (100%)
MediaTek MT8121 MediaTek MT8121
PowerVR SGX544 @ 0.16 GHz
5 (3%)

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 Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
1615 (100%)
MediaTek MT8121 MediaTek MT8121
4C 4T @ 1.30 GHz
0 (0%)

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 Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
91 (100%)
MediaTek MT8121 MediaTek MT8121
4C 4T @ 1.30 GHz
0 (0%)

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 Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
170 (100%)
MediaTek MT8121 MediaTek MT8121
4C 4T @ 1.30 GHz
0 (0%)

Devices using this processor

Intel Celeron G1820T MediaTek MT8121
Unknown Unknown

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