Celeron Dual-Core T1400 vs i5-2540M

Place in the ranking	2161	2975
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	Intel Celeron Dual-Core
Power efficiency	4.03	1.16
Architecture codename	Sandy Bridge (2011−2013)	Merom-2M (2008)
Release date	1 February 2011 (13 years ago)	1 May 2008 (16 years ago)
Launch price (MSRP)	$266	no data

Detailed specifications

Core i5-2540M and Celeron Dual-Core T1400 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	no data
Boost clock speed	3.3 GHz	1.73 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	533 MHz
Multiplier	26	no data
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	512 KB
L3 cache	3 MB (shared)	no data
Chip lithography	32 nm	65 nm
Die size	149 mm²	no data
Maximum core temperature	100 °C	100 °C
Number of transistors	624 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-2540M and Celeron Dual-Core T1400 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)	no data
Socket	FCBGA1023,PPGA988	P
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2540M and Celeron Dual-Core T1400. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	-
FMA	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i5-2540M and Celeron Dual-Core T1400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Identity Protection	+	-
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2540M and Celeron Dual-Core T1400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2540M and Celeron Dual-Core T1400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.335 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 3000	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.3 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-2540M and Celeron Dual-Core T1400 integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Core i5-2540M and Celeron Dual-Core T1400.

PCIe version	2.0	no data
PCI Express lanes	16	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
+247%

Celeron Dual-Core T1400 0.43

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i5-2540M 9109
+234%

Celeron Dual-Core T1400 2725

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i5-2540M 17.23
+173%

Celeron Dual-Core T1400 47

Gaming performance

Pros & cons summary

Performance score	1.49	0.43
Recency	1 February 2011	1 May 2008
Threads	4	2
Chip lithography	32 nm	65 nm

i5-2540M has a 246.5% higher aggregate performance score, an age advantage of 2 years, 100% more threads, and a 103.1% more advanced lithography process.

The Core i5-2540M is our recommended choice as it beats the Celeron Dual-Core T1400 in performance tests.

Should you still have questions on choice between Core i5-2540M and Celeron Dual-Core T1400, ask them in Comments section, and we shall answer.