Celeron N4020C vs Xeon E3-1281 v3

Primary details

Comparing Xeon E3-1281 v3 and Celeron N4020C processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1267	2482
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Power efficiency	5.42	15.30
Release date	1 April 2014 (10 years ago)	1 January 2021 (3 years ago)

Detailed specifications

Xeon E3-1281 v3 and Celeron N4020C 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	4 (Quad-Core)	2 (Dual-core)
Threads	8	2
Base clock speed	3.7 GHz	1.1 GHz
Boost clock speed	4.1 GHz	2.8 GHz
Bus rate	5 GT/s	no data
L3 cache	8 MB Intel® Smart Cache	4 MB
Chip lithography	22 nm	14 nm
Maximum core temperature	no data	105 °C
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1281 v3 and Celeron N4020C 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	FCLGA1150	FCBGA1090
Power consumption (TDP)	82 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1281 v3 and Celeron N4020C. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.2
AES-NI	+	+
vPro	no data	-
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	-
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	+	-
Smart Response	no data	-
GPIO	no data	+
Turbo Boost Max 3.0	no data	-
Fast Memory Access	+	no data

Security technologies

Xeon E3-1281 v3 and Celeron N4020C technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1281 v3 and Celeron N4020C are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1281 v3 and Celeron N4020C. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR4/LPDDR4 up to 2400 MT/s
Maximum memory size	32 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Xeon E3-1281 v3 and Celeron N4020C integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Xeon E3-1281 v3 and Celeron N4020C 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 Xeon E3-1281 v3 and Celeron N4020C integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.4

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1281 v3 and Celeron N4020C.

PCIe version	3.0	2.0
PCI Express lanes	16	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.

---

Pros & cons summary

---

Performance score	4.70	0.97
Recency	1 April 2014	1 January 2021
Physical cores	4	2
Threads	8	2
Chip lithography	22 nm	14 nm
Power consumption (TDP)	82 Watt	6 Watt

---

Should you still have questions on choice between Xeon E3-1281 v3 and Celeron N4020C, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---