Celeron N4020 vs G555

Place in the ranking	2550	2478
Place by popularity	not in top-100	83
Cost-effectiveness evaluation	0.05	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Gemini Lake
Power efficiency	1.27	15.30
Architecture codename	Sandy Bridge (2011−2013)	Gemini Lake Refresh (2019)
Release date	1 September 2012 (12 years ago)	4 November 2019 (5 years ago)
Launch price (MSRP)	$89	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Celeron G555 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	2 (Dual-core)	2 (Dual-core)
Threads	2	2
Base clock speed	2.7 GHz	1.1 GHz
Boost clock speed	2.7 GHz	2.8 GHz
Bus rate	5 GT/s	15 MHz
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	4 MB
L3 cache	2 MB (shared)	4 MB
Chip lithography	32 nm	14 nm
Die size	131 mm²	no data
Maximum core temperature	69 °C	105 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Celeron G555 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	1
Socket	FCLGA1155	FCBGA1090
Power consumption (TDP)	65 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron G555 and Celeron N4020. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	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	-
GPIO	no data	+
Turbo Boost Max 3.0	no data	-
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Celeron G555 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 Celeron G555 and Celeron N4020 are enumerated here.

VT-d	-	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron G555 and Celeron N4020. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	32 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	17 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	Intel UHD Graphics 600
Max video memory	no data	8 GB
Quick Sync Video	-	+
Graphics max frequency	1 GHz	650 MHz
Execution Units	no data	12

Graphics interfaces

Available interfaces and connections of Celeron G555 and Celeron N4020 integrated GPUs.

Number of displays supported	2	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
MIPI-DSI	no data	+

Graphics image quality

Maximum display resolutions supported by Celeron G555 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 Celeron G555 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 Celeron G555 and Celeron N4020.

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

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Celeron G555 0.87

Celeron N4020 0.97
+11.5%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Celeron G555 1388

Celeron N4020 1548
+11.5%

Gaming performance

Pros & cons summary

Performance score	0.87	0.97
Recency	1 September 2012	4 November 2019
Chip lithography	32 nm	14 nm
Power consumption (TDP)	65 Watt	6 Watt

Celeron N4020 has a 11.5% higher aggregate performance score, an age advantage of 7 years, a 128.6% more advanced lithography process, and 983.3% lower power consumption.

The Celeron N4020 is our recommended choice as it beats the Celeron G555 in performance tests.

Note that Celeron G555 is a desktop processor while Celeron N4020 is a notebook one.

Should you still have questions on choice between Celeron G555 and Celeron N4020, ask them in Comments section, and we shall answer.