Celeron N4020 vs N2808

Place in the ranking	3097	2491
Place by popularity	not in top-100	94
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Gemini Lake
Power efficiency	7.53	15.22
Architecture codename	Bay Trail-M (2013−2014)	Gemini Lake Refresh (2019)
Release date	22 May 2014 (10 years ago)	4 November 2019 (5 years ago)

Detailed specifications

Celeron N2808 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	1.58 GHz	1.1 GHz
Boost clock speed	2.25 GHz	2.8 GHz
Bus rate	no data	15 MHz
L1 cache	56K (per core)	no data
L2 cache	512K (per core)	4 MB
L3 cache	0 KB	4 MB
Chip lithography	22 nm	14 nm
Maximum core temperature	100 °C	105 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Celeron N2808 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	FCBGA1170	FCBGA1090
Power consumption (TDP)	4.5 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N2808 and Celeron N4020. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.2
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	-	+
Smart Response	no data	-
GPIO	no data	+
Smart Connect	+	no data
Turbo Boost Max 3.0	no data	-

Security technologies

Celeron N2808 and Celeron N4020 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N2808 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 Celeron N2808 and Celeron N4020. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	4 GB	8 GB
Max memory channels	1	2
Maximum memory bandwidth	10.66 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for Intel Atom Processor Z3700 Series	Intel UHD Graphics 600
Max video memory	no data	8 GB
Quick Sync Video	+	+
Graphics max frequency	792 MHz	650 MHz
Execution Units	no data	12

Graphics interfaces

Available interfaces and connections of Celeron N2808 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 N2808 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 N2808 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 N2808 and Celeron N4020.

PCIe version	2.0	2.0
PCI Express lanes	4	6
USB revision	3.0 and 2.0	2.0/3.0
Total number of SATA ports	2	2
Max number of SATA 6 Gb/s Ports	no data	2
Number of USB ports	5	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 N2808 0.32

Celeron N4020 0.97
+203%

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 N2808 510

Celeron N4020 1547
+203%

Gaming performance

Pros & cons summary

Performance score	0.32	0.97
Integrated graphics card	0.77	0.87
Recency	22 May 2014	4 November 2019
Chip lithography	22 nm	14 nm
Power consumption (TDP)	4 Watt	6 Watt

Celeron N2808 has 50% lower power consumption.

Celeron N4020, on the other hand, has a 203.1% higher aggregate performance score, 13% faster integrated GPU, an age advantage of 5 years, and a 57.1% more advanced lithography process.

The Celeron N4020 is our recommended choice as it beats the Celeron N2808 in performance tests.

Should you still have questions on choice between Celeron N2808 and Celeron N4020, ask them in Comments section, and we shall answer.