Intel Atom Z2420 vs Intel Celeron G4900T

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CPU comparison with benchmarks


Intel Atom Z2420 CPU1 vs CPU2 Intel Celeron G4900T
Intel Atom Z2420 Intel Celeron G4900T

CPU comparison

Intel Atom Z2420 or Intel Celeron G4900T - 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 Atom Z2420 has 1 cores with 2 threads and clocks with a maximum frequency of 1.20 GHz. Up to 1 GB of memory is supported in 2 memory channels. The Intel Atom Z2420 was released in Q1/2013.

The Intel Celeron G4900T has 2 cores with 2 threads and clocks with a maximum frequency of 2.80 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Celeron G4900T was released in Q2/2018.
Intel Atom (108) Family Intel Celeron (165)
Intel Atom Z2400/Z2600 (2) CPU group Intel Celeron G4000 (3)
3 Generation 8
Penwell Architecture Coffee Lake S
Mobile Segment Desktop / Server
-- Predecessor Intel Celeron G3900T
-- Successor Intel Celeron G5900T

CPU Cores and Base Frequency

The Intel Atom Z2420 has 1 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Atom Z2420 is 1.20 GHz while the Intel Celeron G4900T has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Celeron G4900T is at 2.80 GHz.

Intel Atom Z2420 Characteristic Intel Celeron G4900T
1 Cores 2
2 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
1.20 GHz Frequency 2.80 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 Atom Z2420 Characteristic Intel Celeron G4900T
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Atom Z2420 or Intel Celeron G4900T 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.

PowerVR SGX540 GPU Intel HD Graphics 610
0.40 GHz GPU frequency 0.35 GHz
-- GPU (Turbo) 1.05 GHz
-- GPU Generation 9.5
45nm Technology 14 nm
1 Max. displays 3
1 Compute units 12
-- Shader 96
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 32 GB
10.1 DirectX Version 12

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.

PowerVR SGX540 GPU Intel HD Graphics 610
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Atom Z2420 can use up to 1 GB of memory in 2 memory channels. The maximum memory bandwidth is 6.4 GB/s. The Intel Celeron G4900T supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s.

Intel Atom Z2420 Characteristic Intel Celeron G4900T
LPDDR2-800 Memory DDR4-2400
1 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
6.4 GB/s Max. Bandwidth 38.4 GB/s
No ECC Yes
0.50 MB L2 Cache --
-- L3 Cache 2.00 MB
-- PCIe version 3.0
-- PCIe lanes 16
-- PCIe Bandwidth 15.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Atom Z2420 is 3 W, while the Intel Celeron G4900T has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Atom Z2420 Characteristic Intel Celeron G4900T
3 W TDP (PL1 / PBP) 35 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 25 W
90 °C Tjunction max. 100 °C

Technical details

The Intel Atom Z2420 is manufactured in 32 nm and has 0.50 MB cache. The Intel Celeron G4900T is manufactured in 14 nm and has a 2.00 MB cache.

Intel Atom Z2420 Characteristic Intel Celeron G4900T
32 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE3, SSSE3 ISA extensions SSE4.1, SSE4.2
BGA 617 Socket LGA 1151
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Operating systems Windows 10, Windows 11, Linux
Q1/2013 Release date Q2/2018
-- Release price 40 $
show more data show more data


Rate these processors

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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 Atom Z2420 Intel Atom Z2420
PowerVR SGX540 @ 0.40 GHz
6 (3%)
Intel Celeron G4900T Intel Celeron G4900T
Intel HD Graphics 610 @ 1.05 GHz
202 (100%)

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 Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)
Intel Celeron G4900T Intel Celeron G4900T
2C 2T @ 2.80 GHz
735 (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 Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)
Intel Celeron G4900T Intel Celeron G4900T
2C 2T @ 2.80 GHz
1386 (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 Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)
Intel Celeron G4900T Intel Celeron G4900T
2C 2T @ 2.80 GHz
594 (100%)

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 Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)
Intel Celeron G4900T Intel Celeron G4900T
2C 2T @ 2.80 GHz
982 (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 Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)
Intel Celeron G4900T Intel Celeron G4900T
2C 2T @ 2.80 GHz
2290 (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 Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)
Intel Celeron G4900T Intel Celeron G4900T
2C 2T @ 2.80 GHz
119 (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 Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)
Intel Celeron G4900T Intel Celeron G4900T
2C 2T @ 2.80 GHz
213 (100%)

Devices using this processor

Intel Atom Z2420 Intel Celeron G4900T
Unknown Unknown

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