Celeron N4020 vs Atom Z625

Primary details

Comparing Atom Z625 and Celeron N4020 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	2478
Place by popularity	not in top-100	83
Market segment	Laptop	Laptop
Series	Intel Atom	Intel Gemini Lake
Power efficiency	no data	15.30
Architecture codename	Lincroft (2010−2011)	Gemini Lake Refresh (2019)
Release date	4 May 2010 (14 years ago)	4 November 2019 (5 years ago)

Detailed specifications

Atom Z625 and Celeron N4020 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	1 (Single-Core)	2 (Dual-core)
Threads	2	2
Base clock speed	1.9 GHz	1.1 GHz
Boost clock speed	1.9 GHz	2.8 GHz
Bus type	cDMI	no data
Bus rate	400 MT/s	15 MHz
Multiplier	15	no data
L1 cache	64K (per core)	no data
L2 cache	512 KB (per core)	4 MB
L3 cache	0 KB	4 MB
Chip lithography	45 nm	14 nm
Die size	65.2526 mm2	no data
Maximum core temperature	+90 °C	105 °C
Number of transistors	140 million	no data
64 bit support	-	+
Windows 11 compatibility	-	+

Compatibility

Information on Atom Z625 and Celeron N4020 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1 (Uniprocessor)	1
Socket	T-PBGA518	FCBGA1090
Power consumption (TDP)	2.2 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z625 and Celeron N4020. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE, Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.2
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Smart Response	no data	-
Demand Based Switching	-	no data
PAE	32 Bit	no data
GPIO	+	+
Turbo Boost Max 3.0	no data	-
FDI	-	no data
Fast Memory Access	-	no data
AMT	-	no data
Matrix Storage	-	no data
Quiet System	-	no data
I/O Acceleration	-	no data
Quick Resume	-	no data
HD Audio	-	no data

Security technologies

Atom Z625 and Celeron N4020 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	+
Secure Key	no data	+
MPX	-	+
Identity Protection	-	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	+
Anti-Theft	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z625 and Celeron N4020 are enumerated here.

VT-d	-	+
VT-x	-	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z625 and Celeron N4020. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR4
Maximum memory size	2 GB	8 GB
Max memory channels	1	2
Maximum memory bandwidth	3.2 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	PowerVR SGX535	Intel UHD Graphics 600
Max video memory	no data	8 GB
Quick Sync Video	-	+
Clear Video	+	no data
Graphics max frequency	no data	650 MHz
Execution Units	no data	12

Graphics interfaces

Available interfaces and connections of Atom Z625 and Celeron N4020 integrated GPUs.

Number of displays supported	no data	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
LVDS	+	no data
MIPI-DSI	no data	+
MIPI	+	no data

Graphics image quality

Maximum display resolutions supported by Atom Z625 and Celeron N4020 integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2160@30Hz
Max resolution over eDP	no data	4096x2160@60Hz
Max resolution over DisplayPort	no data	4096x2160@60Hz

Graphics API support

APIs supported by Atom Z625 and Celeron N4020 integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.4

Peripherals

Specifications and connection of peripherals supported by Atom Z625 and Celeron N4020.

PCIe version	-	2.0
PCI Express lanes	no data	6
PCI support	-	no data
USB revision	2.0	2.0/3.0
Total number of SATA ports	no data	2
Max number of SATA 6 Gb/s Ports	no data	2
Integrated IDE	-	no data
Number of USB ports	4	8
Integrated LAN	-	-
UART	+	+

Pros & cons summary

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Recency	4 May 2010	4 November 2019
Physical cores	1	2
Chip lithography	45 nm	14 nm
Power consumption (TDP)	2 Watt	6 Watt

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Should you still have questions on choice between Atom Z625 and Celeron N4020, ask them in Comments section, and we shall answer.

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