Most of the other medium processor core laptops that came out around the same time as the E540 only have between 1 and 15 PCI Express lanes (max), however the Lenovo E540 has 16 PCI Express lanes (max).
64-Bit Processor Operating Mode
This portable PC supports a 64-bit processor operating mode, which is typical of many portable PCs of a similar spec and age to it.
Very Big Maximum Internal Memory Supported by Processor
When compared to other laptops of a similar type and age to the E540, the maximum internal memory supported by processor of the Lenovo E540 of 32 gigabytes is one of the biggest. The smallest maximum internal memory supported by processor of medium processor core laptops that were released one year ago is 8GB, the biggest is 32GB, and the average maximum internal memory supported by processor is 17GB.
Very New PCI Express Slot Version
The PCI Express slot versions of portable PCs of a comparable type and age to the E540 range from 2 to 3. When compared to other comparable spec portable PCs that were released one year ago that we have assessed, the PCI Express slot version of the Lenovo E540 of 3 is one of the newest.
Fairly Fast On-Board Graphics Adapter Base Frequency
When compared to other medium processor core laptops that came out more than a year ago, the on-board graphics adapter base frequency of the Lenovo E540 of 400 megahertz is one of the fastest. Laptops that were launched around the same time as the E540 have on-board graphics adapter base frequencies of between 100MHz and 650MHz, and the average on-board graphics adapter base frequency is 280MHz.
Lenovo Has Good Portable PC Reviews
Medium processor core laptops manufactured by Lenovo have good ratings on average compared to other manufacturers. We also checked the reviews for all notebook PCs (not just medium processor core laptops) and found that Lenovo also has good ratings across its entire range.
+15 More reasons for
Very Fast On-Board Graphics Adapter Dynamic Frequency
The on-board graphics adapter dynamic frequencies of medium processor core laptops that were launched around the same time as the E540 range from 750MHz to 1,300MHz. At 1,150 megahertz, the Lenovo E540 has a fairly fast on-board graphics adapter dynamic frequency compared to most of the other medium processor core laptops that have been around for a similar time to the E540.
Quite Fast Processor Clock Speed
With a processor clock speed of 2.6 gigahertz, the Lenovo E540 has one of the faster processor clock speeds amongst medium processor core laptops of this age. Across all the laptops of a similar age and spec to the E540 the processor clock speeds range from 0.8GHz to 3.3GHz, and the average processor clock speed is 2.1GHz.
1,600MHz Processor Memory Clock Speed
The Lenovo E540 supports a 1,600MHz processor memory clock speed which is faster than most portable PCs that were launched around the same time as it. Most medium processor core laptops that have been around for around the same time as it support a 133MHz processor memory clock speed.
This portable PC's memory clock speeds supported by processor (1,600MHz) is in fact the best supported memory clock speeds supported by processor amongst all laptops of a similar type and age to the E540.
The worst supported memory clock speeds supported by processor amongst comparable types of portable PC is 133MHz.
Intel Core I5 Processor Family
The Lenovo E540 has a better processor family than most laptops that are a similar age to it. This Lenovo laptop has an Intel Core i5 processor family, whereas most similar spec notebook PCs that have been around for a comparable time to it have an Intel Core i5-5xxx processor family. Across all comparable spec portable PCs that came out around the same time as the E540 the best processor family is Intel Core i7-3xxx and the worst is AMD E.
If the processor family of this portable PC is too bad for you then you might want to consider the HP 15 (Intel Core i7-4xxx).
Has a Full-Size Keyboard
Like most of the other comparable spec notebook PCs that have been available for around the same time as the E540, the Lenovo E540 has a full-size keyboard.
Has a Front Camera
Like most of the other medium processor core laptops that have been on the market for more than a year, the Lenovo E540 has a front camera.
Fairly Big Maximum Internal Memory
The smallest maximum internal memory of similar spec notebook PCs that are a comparable age to the E540 is 8.1GB, the biggest is 33GB, and the average maximum internal memory is 20GB. The Lenovo E540 has one of the bigger maximum internal memories (32,768 megabytes) amongst notebook PCs of this age.
Quite Fast Hard Drive Speed
The slowest hard drive speed of medium processor core laptops that have been available for around the same time as the E540 is 5,200 RPM, the fastest is 7,200 RPM, and the average hard drive speed is 5,900 RPM. The Lenovo E540 has one of the faster hard drive speeds (7,200 revolutions per minute) amongst notebook PCs of this age.
L3 Processor Cache
This laptop has a L3 processor cache, which is the most commonly found processor cache on notebook PCs of a comparable age and spec to it.
Quite Fast Maximum Turbo Frequency
The Lenovo E540 has a fairly fast maximum turbo frequency (3.2 gigahertz) compared to most of the other laptops that have been around for a comparable time to the E540. Medium processor core laptops that were released one year ago have maximum turbo frequencies of between 1.7GHz and 3.7GHz.
802.11g WiFi Standard
The Lenovo E540 has an 802.11g WiFi standard which is better than most portable PCs of a similar age and spec to it. Most portable PCs of this type and age have an 802.11n WiFi standard. The Wi-Fi standard of all notebook PCs that have been available for around the same time as the E540 ranges from 802.11ad to 802.11n.
Six Battery Cells
Most laptops of this age and spec have between two and eight battery cells, including the Lenovo E540 which has six battery cells.
Gold EPEAT Compliance
This notebook PC has a Gold EPEAT compliance, which is the most frequently found EPEAT compliance on medium processor core laptops that have been available for more than a year.
2x SO-DIMM Memory Slot
This notebook PC has a 2x SO-DIMM memory slot, which is typical of many laptops of a comparable spec and age to it.
7 Reasons Against
Only HDD Storage Medium
This portable PC has an HDD storage medium, which is typical of many medium processor core laptops that have been around for a comparable time to it. HDD is a traditional storage drive which stores the information on magnetic disks. HDD drives are slower than other forms of storage such as solid state drives (SSD) and flash drives.
Only 1366 X 768 Pixels Display Resolution
This laptop has a display resolution of 1366 x 768 pixels, which is typical of many notebook PCs of this age and spec.
Very Small Internal Memory
With an internal memory of only 4 gigabytes, the Lenovo E540 has one of the smaller internal memory amongst comparable spec notebook PCs of this age. Medium processor core laptops that were launched more than a year ago have internal memory of between 2GB and 16GB, and the average internal memory is 6GB.
If this medium processor core portable PC internal memory is not big enough for you then you might also want to consider the Toshiba L75 (6GB) which is also higher rated.
The weights of comparable spec notebook PCs that have been available for around the same time as the E540 range from 940g to 14kg, and the average weight is 2.1kg. At 2.4 kilograms, the Lenovo E540 is fairly heavy compared to most of the other comparable spec notebook PCs that are a similar age to the E540.
+4 More reasons against
Does Not Have a Touch Sensitive Screen
The Lenovo E540 does not have a touch sensitive screen. Most of the other medium processor core laptops that are a similar age to the E540 also do not have a touch sensitive screen.
The Lenovo E540 is one of the thicker portable PCs of this type and age (26.6 millimeters) amongst notebook PCs of this age. The average height of portable PCs of this age and spec is 25mm, and the heights range from 11mm to 260mm.
Only 4 Bluetooth Version
This laptop supports a 4 Bluetooth version, which is the most frequently supported Bluetooth version on medium processor core laptops that have been on the market for more than a year.
2 Other reasons to consider the Lenovo E540
Average Screen Size
The Lenovo E540 has a pretty standard screen size (15.6 inches) compared to most of the other medium processor core laptops that are a comparable age to the E540.
Average Total Storage Capacity
With a total storage capacity of 500 gigabytes, the Lenovo E540 has a relatively typical total storage capacity compared to most of the other medium processor core laptops that were launched more than a year ago.
Intel Segment Tagging
Home Office, Small Business
Intel Core i5, Intel Core i5-4xxx
Processor Clock Speed
System Bus Data Transfer Rate
Maximum Turbo Frequency
Processor Memory Channel
Maximum Processor Memory Bandwidth
Processor Memory Clock Speed
133, 1333, 333, 1600
Processor Memory Type
Conflict Free Processor
Maximum Internal Memory Supported by Processor
PCI Express Lane (max)
Processor Operating Mode
PCI Express Slot Version
Thermal Design Power (TDP)
PCI Express Configuration
1x1, 1x16, 2x8, 1x8, 1x8+2x4, 2x4
Processor Cache Type
Smart Cache, L3
Maximum Internal Memory (64-Bit)
Maximum Internal Memory
1 x 4
Memory Clock Speed
Total Storage Capacity
MMC+, SD, SD, SDHC, SD, SDXC
Integrated Card Reader
Hard Drive Size
Hard Drive Speed
Hard Drive Capacity
Hard Drive Installed
1366 x 768
Touch Sensitive Screen
On-Board Graphics Adapter Model
Intel HD Graphics, Intel HD Graphics 4600
On-Board Graphics Adapter DirectX Version
On-Board Graphics Adapter ID
Display Supported by On-Board Grap
Maximum On-Board Graphics Adapter Memory
On-Board Graphics Adapter Dynamic Frequency
On-Board Graphics Adapter Base Frequency
On-Board Graphics Adapter
Dolby Advanced v2
Front Camera Resolution
1280 x 720
Front Camera Resolution
Ethernet LAN Data Rate
Ethernet LAN Connection
802.11b, 802.11g, 802.11n
Wireless LAN Connection
Ports & Interfaces
USB Sleep-and-Charge Port
Combo Headphone/mic Port
S/PDIF Out Port
Microphone in Port
Ethernet LAN Ports
USB 3.0 Port
USB 2.0 Port
USB 3.0 (3.1 Gen 1) Type-A Port
Operating System Architecture
Processor Special Features
Intel Anti-Theft Technology
Intel Rapid Start Technology
Intel VPro Technology
Intel My WiFi Technology
Intel Turbo Boost Technology
Intel Identity Protection Technology
Intel Smart Response Technology
Intel Hyper-Threading Technology
Intel Smart Connect Technology
Intel Small Business Advantage (SBA)
Intel Matrix Storage Technology
Intel Active Management Technology
Intel HD Audio Technology
Intel Wireless Display (WiDi) Technology
Enhanced Intel SpeedStep Technology
Intel InTru 3D Technology
Intel Quick Sync Video Technology
Supported Instruction Set
AVX, AVX 2.0, SSE, SSE4.1, SSE, SSE4.2
Intel Secure Key
Execute Disable Bit
Intel Secure Key Technology Version
Thermal Monitoring Technology
CPU Configuration (max)
Intel VT-X With Extended Page Tables (EPT)
Intel Smart Cache
Processor Package Size
Intel Virtualization Technology (VT-X)
Intel AES New Instructions
Intel Virtualization Technology for Directed I/O (VT-D)
Intel Identity Protection Technology Version
Processor ARK ID
Battery Cell Count
Lithium, Lithium-Ion (Li-Ion)
Cable Lock Slot
Cable Lock Slot
Weight & Dimensions
AC Adapter Included
Power Cord Included
Energy Star Certified
Intel Visual Technology
Intel Insider, Intel InTru 3D, Intel Quick Sync Video
Un bourreau de travail. Lenovo n'a fait que mettre à jour les composants internes de son ThinkPad Edge, l'esprit du concept abordable de la gamme prime toujours en son sein. Le constructeur offre... Read more…
NB : la note est d'un peu moins de 3,5 / 5, mais suite un un problème d'affichage les demis ne s'affichent pas correctement. Nous travaillons actuellement à la résolution de ce bug. *******... Read more…
I bought this computer to be a complement to my desktop. I didn't need a machine that could replace my desktop. This computer does what I need it to do. I can type letters, e-mail, check the... Read more…
I buy about 10 laptops a year for clients, friends and family. Lenovo is my "go to" brand. This Lenovo is with an insurance salesman (neighbor) and he loves it as do I.
This is a new model... Read more…
I do NOT like being forced to take this Intel Software. I will just throw it away. Problem is, it breaks the order into 2 orders. Could be a HUGE problem if laptop needed to be returned. At least... Read more…
All in all, I really like this laptop. I can put up with problems 1) and 2), but the WiFi disconnects are driving me out of my mind ! I still need to try out Intel's latest WiFi driver version... Read more…
This is an update to my previous review. Although it took a bit to hear back from the seller on fixing the broken key, once they reached out it was pretty fast. They sent a return box for me to... Read more…