Celeron N4000C vs i5-2540M

Place in the ranking	2161	2561
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	no data
Power efficiency	4.03	14.04
Architecture codename	Sandy Bridge (2011−2013)	no data
Release date	1 February 2011 (13 years ago)	1 April 2019 (5 years ago)
Launch price (MSRP)	$266	no data

Detailed specifications

Core i5-2540M and Celeron N4000C 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	4	2
Base clock speed	2.6 GHz	1.1 GHz
Boost clock speed	3.3 GHz	2.6 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	26	no data
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	no data
L3 cache	3 MB (shared)	4 MB
Chip lithography	32 nm	14 nm
Die size	149 mm²	no data
Maximum core temperature	100 °C	105 deg C
Number of transistors	624 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-2540M and Celeron N4000C 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	FCBGA1023,PPGA988	FCBGA1090
Power consumption (TDP)	35 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2540M and Celeron N4000C. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE4.2
AES-NI	+	+
FMA	+	-
AVX	+	-
vPro	+	-
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	-
My WiFi	+	no data
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Smart Response	no data	-
Demand Based Switching	-	no data
GPIO	no data	+
Turbo Boost Max 3.0	no data	-
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i5-2540M and Celeron N4000C 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	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2540M and Celeron N4000C are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2540M and Celeron N4000C. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4/LPDDR4 up to 2400 MT/s
Maximum memory size	16 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 3000	Intel UHD Graphics 600
Max video memory	no data	8 GB
Quick Sync Video	+	+
Clear Video HD	+	no data
Graphics max frequency	1.3 GHz	650 MHz
Execution Units	no data	12
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-2540M and Celeron N4000C integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-2540M and Celeron N4000C integrated GPUs, including resolutions over different interfaces.

4K resolution support

no data

Graphics API support

APIs supported by Core i5-2540M and Celeron N4000C integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.4

Peripherals

Specifications and connection of peripherals supported by Core i5-2540M and Celeron N4000C.

PCIe version	2.0	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.

i5-2540M 1.49
+67.4%

Celeron N4000C 0.89

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.

i5-2540M 2367
+68.3%

Celeron N4000C 1406

Gaming performance

Pros & cons summary

Performance score	1.49	0.89
Integrated graphics card	0.66	0.87
Recency	1 February 2011	1 April 2019
Threads	4	2
Chip lithography	32 nm	14 nm
Power consumption (TDP)	35 Watt	6 Watt

i5-2540M has a 67.4% higher aggregate performance score, and 100% more threads.

Celeron N4000C, on the other hand, has 31.8% faster integrated GPU, an age advantage of 8 years, a 128.6% more advanced lithography process, and 483.3% lower power consumption.

The Core i5-2540M is our recommended choice as it beats the Celeron N4000C in performance tests.

Should you still have questions on choice between Core i5-2540M and Celeron N4000C, ask them in Comments section, and we shall answer.