i5-540UM vs i7-2640M

Aggregate performance score

Core i7-2640M
2011
2 cores / 4 threads, 35 Watt
1.56
+148%
Core i5-540UM
2010
2 cores / 4 threads, 18 Watt
0.63

Core i7-2640M outperforms Core i5-540UM by a whopping 148% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2640M and Core i5-540UM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21112764
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Core i5
Power efficiency4.203.30
Architecture codenameSandy Bridge (2011−2013)Arrandale (2010−2011)
Release date4 September 2011 (13 years ago)24 May 2010 (14 years ago)
Launch price (MSRP)$346$250

Detailed specifications

Core i7-2640M and Core i5-540UM 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 cores2 (Dual-core)2 (Dual-core)
Threads44
Base clock speed2.8 GHz1.2 GHz
Boost clock speed3.5 GHz2 GHz
Bus typeDMI 2.0DMI 1.0
Bus rate4 × 5 GT/s1 × 2.5 GT/s
Multiplier289
L1 cache128 KB128 KB
L2 cache512 KB512 KB
L3 cache4 MB3 MB
Chip lithography32 nm32 nm
Die size149 mm281+114 mm2
Maximum core temperature100 °C105 °C
Number of transistors624 Million382+177 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-2640M and Core i5-540UM 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 configuration1 (Uniprocessor)1 (Uniprocessor)
SocketFCBGA1023,PPGA988BGA1288
Power consumption (TDP)35 Watt18 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2640M and Core i5-540UM. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® SSE4.1, Intel® SSE4.2
AES-NI++
FMA++
AVX+-
vPro++
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.0+
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Access++
Demand Based Switching-no data
PAEno data36 Bit
FDI++
Fast Memory Access++

Security technologies

Core i7-2640M and Core i5-540UM technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2640M and Core i5-540UM are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2640M and Core i5-540UM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size16 GB8 GB
Max memory channels22
Maximum memory bandwidth228.707 GB/s12.799 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000Intel® HD Graphics for Previous Generation Intel® Processors
Quick Sync Video+-
Clear Videono data+
Clear Video HD++
Graphics max frequency1.3 GHz500 MHz
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-2640M and Core i5-540UM integrated GPUs.

Number of displays supported22
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2640M and Core i5-540UM.

PCIe version2.02.0
PCI Express lanes1616

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.

i7-2640M 1.56
+148%
i5-540UM 0.63

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.

i7-2640M 2467
+146%
i5-540UM 1002

Gaming performance

Pros & cons summary


Performance score 1.56 0.63
Recency 4 September 2011 24 May 2010
Power consumption (TDP) 35 Watt 18 Watt

i7-2640M has a 147.6% higher aggregate performance score, and an age advantage of 1 year.

i5-540UM, on the other hand, has 94.4% lower power consumption.

The Core i7-2640M is our recommended choice as it beats the Core i5-540UM in performance tests.


Should you still have questions on choice between Core i7-2640M and Core i5-540UM, 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.


Intel Core i7-2640M
Core i7-2640M
Intel Core i5-540UM
Core i5-540UM

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Community ratings

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