Celeron N2940 vs N4000C

Place in the ranking	2543	2740
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	no data	Intel Celeron
Power efficiency	13.98	8.89
Architecture codename	no data	Bay Trail-M (2013−2014)
Release date	1 April 2019 (5 years ago)	22 May 2014 (10 years ago)

Detailed specifications

Celeron N4000C and Celeron N2940 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)	4 (Quad-Core)
Threads	2	4
Base clock speed	1.1 GHz	1.83 GHz
Boost clock speed	2.6 GHz	2.25 GHz
L1 cache	no data	56K (per core)
L2 cache	no data	512K (per core)
L3 cache	4 MB	0 KB
Chip lithography	14 nm	22 nm
Maximum core temperature	105 deg C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron N4000C and Celeron N2940 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	FCBGA1090	FCBGA1170
Power consumption (TDP)	6 Watt	7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N4000C and Celeron N2940. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	+	-
vPro	-	no data
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 N4000C and Celeron N2940 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N4000C and Celeron N2940 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron N4000C and Celeron N2940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4/LPDDR4 up to 2400 MT/s	DDR3
Maximum memory size	8 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	21.32 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 600	Intel® HD Graphics for Intel Atom® Processor Z3700 Series
Max video memory	8 GB	no data
Quick Sync Video	+	+
Graphics max frequency	650 MHz	854 MHz
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Celeron N4000C and Celeron N2940 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Celeron N4000C and Celeron N2940 integrated GPUs, including resolutions over different interfaces.

4K resolution support

no data

Graphics API support

APIs supported by Celeron N4000C and Celeron N2940 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

Specifications and connection of peripherals supported by Celeron N4000C and Celeron N2940.

PCIe version	2.0	2.0
PCI Express lanes	6	4
USB revision	2.0/3.0	3.0 and 2.0
Total number of SATA ports	2	2
Max number of SATA 6 Gb/s Ports	2	no data
Number of USB ports	8	5
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 N4000C 0.89
+34.8%

Celeron N2940 0.66

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 N4000C 1406
+34.7%

Celeron N2940 1044

Gaming performance

Pros & cons summary

Performance score	0.89	0.66
Recency	1 April 2019	22 May 2014
Physical cores	2	4
Threads	2	4
Chip lithography	14 nm	22 nm
Power consumption (TDP)	6 Watt	7 Watt

Celeron N4000C has a 34.8% higher aggregate performance score, an age advantage of 4 years, a 57.1% more advanced lithography process, and 16.7% lower power consumption.

Celeron N2940, on the other hand, has 100% more physical cores and 100% more threads.

The Celeron N4000C is our recommended choice as it beats the Celeron N2940 in performance tests.

Should you still have questions on choice between Celeron N4000C and Celeron N2940, ask them in Comments section, and we shall answer.