Laptops
Lenovo S540 reviews
Product specifications and review coverage for this exact model.
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Product overview
Lenovo 20B3005CMS is listed in the laptops category. The recorded specifications include display diagonal: 39.6 cm (15.6"); processor family: Intel® Core™ i7; internal memory: 8 GB; total storage capacity: 256 GB. This entry covers manufacturer code 20B3005CMS. Specifications relate to this exact source record; other editions or packages may differ.
Automatically assembled from the source specifications. This is a factual summary, not a hands-on review.
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The COR Score gives each publisher one rating. Scores are converted to the same five-point scale.
Specifications
Manufacturer code: 20B3005CMS. Icecat product 20391297 · Checked 15 Sep 2026. The source lists this code for Great Britain. No specifications are transferred from other editions.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Screen size | 39.6 cm (15.6") |
|---|---|
| Screen resolution | 1366 x 768 pixels |
| Processor family | Intel® Core™ i7 |
| Processor model | i7-4500U |
| Memory (RAM) | 8 GB |
| Total storage capacity | 256 GB |
| Storage media | SSD |
| Operating system installed | Windows 7 Professional |
| Discrete graphics card model | AMD Radeon HD 8670M |
| Weight | 2.11 kg |
More product specifications
Open a section for the details that matter to you.
Audio & listening6 details
| Audio system | Dolby Home Theater v4 |
|---|---|
| Number of built-in speakers | 2 |
| Built-in microphone | Yes |
| Headphone outputs | 1 |
| Microphone in | Yes |
| Intel® High Definition Audio (Intel® HD Audio) | Yes |
Display2 details
| Dual-screen | No |
|---|---|
| Intel Dual Display Capable Technology | No |
Processor, memory & storage37 details
| Processor manufacturer | Intel |
|---|---|
| Processor generation | 4th gen Intel® Core™ i7 |
| Processor cores | 2 |
| Processor threads | 4 |
| Processor boost frequency | 3 GHz |
| Processor frequency | 1.8 GHz |
| Processor cache | 4 MB |
| Processor cache type | Smart Cache |
| Processor socket | BGA 1168 |
| Processor lithography | 22 nm |
| Processor operating modes | 64-bit |
| Processor series | Intel Core i7-4500 Mobile series |
| Processor codename | Haswell |
| ECC supported by processor | No |
| Internal memory type | DDR3-SDRAM |
| Memory clock speed | 1600 MHz |
| Memory slots | 2x SO-DIMM |
| Maximum internal memory | 16 GB |
| SSD capacity | 256 GB |
| Card reader integrated | Yes |
| Compatible memory cards | SD |
| Discrete graphics card memory | 2 GB |
| On-board graphics card | Yes |
| Discrete graphics card | Yes |
| On-board graphics card family | Intel® HD Graphics |
| On-board graphics card model | Intel® HD Graphics 4400 |
| On-board graphics card base frequency | 200 MHz |
| On-board graphics card dynamic frequency (max) | 1100 MHz |
| Maximum on-board graphics card memory | 1.74 GB |
| On-board graphics card DirectX version | 12 |
| On-board graphics card ID | 0xA16 |
| Intel® Matrix Storage Technology (Intel® MST) | Yes |
| Processor package size | 40 x 24 x 1.5 mm |
| Processor code | SR16Z |
| Intel Rapid Storage Technology | Yes |
| Processor ARK ID | 75460 |
| Conflict-Free processor | Yes |
Camera, image & video6 details
| Front camera | Yes |
|---|---|
| Front camera resolution | 1280 x 720 pixels |
| Intel® Clear Video HD Technology (Intel® CVT HD) | Yes |
| Intel Clear Video Technology | No |
| Intel® Quick Sync Video Technology | Yes |
| Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID) | No |
Connections & wireless18 details
| SSD interface | SATA III |
|---|---|
| Wi-Fi | Yes |
| Wi-Fi standards | 802.11b, 802.11g, Wi-Fi 4 (802.11n) |
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Bluetooth | Yes |
| Bluetooth version | 4.0 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports | 1 |
| DVI port | No |
| S/PDIF out port | No |
| Total number of SATA connectors | 4 |
| Number of SATA III connectors | 4 |
| USB Sleep-and-Charge | Yes |
| USB Sleep-and-Charge ports | 1 |
| Intel® Wireless Display (Intel® WiDi) | Yes |
| DC-in jack | Yes |
Power & battery6 details
| Battery technology | Lithium Polymer (LiPo) |
|---|---|
| Number of battery cells | 4 |
| Maximum stated battery life | 9 h |
| AC adapter frequency | 50 - 60 Hz |
| AC adapter input voltage | 100 - 240 V |
| AC adapter included | Yes |
Controls & features3 details
| SmartCard slot | No |
|---|---|
| Intel Smart Connect Technology | Yes |
| Intel Smart Connect Technology version | 1.00 |
Design & dimensions9 details
| Product type | Laptop |
|---|---|
| Product colour | Black |
| Form factor | Clamshell |
| Thermal Design Power (TDP) | 15 W |
| Intel® Identity Protection Technology (Intel® IPT) | Yes |
| Intel Identity Protection Technology version | 1.00 |
| Width | 379 mm |
| Depth | 253 mm |
| Height | 20.7 mm |
Software & compatibility3 details
| Operating system architecture | 64-bit |
|---|---|
| Recovery operating system | Windows 8 Pro |
| Supported instruction sets | AVX 2.0, SSE4.1, SSE4.2 |
Further product details50 details
| HD type | Not supported |
|---|---|
| LED backlight | Yes |
| Native aspect ratio | 16:9 |
| Bus type | DMI2 |
| FSB Parity | No |
| Stepping | C0 |
| Tjunction | 100 °C |
| Maximum number of PCI Express lanes | 12 |
| PCI Express slots version | 2.0 |
| PCI Express configurations | 2x4 |
| Number of SSDs installed | 1 |
| ExpressCard slot | No |
| CardBus PCMCIA slot type | No |
| Numeric keypad | Yes |
| Keyboard backlit | Yes |
| Spill-resistant keyboard | Yes |
| Full-size keyboard | Yes |
| Windows keys | Yes |
| Intel® My WiFi Technology (Intel® MWT) | Yes |
| Intel® Anti-Theft Technology (Intel® AT) | Yes |
| Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Intel® Turbo Boost Technology | 2.0 |
| Enhanced Intel SpeedStep Technology | Yes |
| Intel® InTru™ 3D Technology | Yes |
| Intel® Insider™ | Yes |
| Intel Flex Memory Access | No |
| Intel® AES New Instructions (Intel® AES-NI) | Yes |
| Intel Trusted Execution Technology | No |
| Intel Enhanced Halt State | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel Demand Based Switching | No |
| Intel® Secure Key | Yes |
| Intel TSX-NI | No |
| Intel 64 | Yes |
| Execute Disable Bit | Yes |
| Idle States | Yes |
| Thermal Monitoring Technologies | Yes |
| CPU configuration (max) | 1 |
| Embedded options available | No |
| Intel Virtualization Technology for Directed I/O (VT-d) | No |
| Intel Secure Key Technology version | 1.00 |
| Intel ME Firmware Version | 9.5 |
| Intel TSX-NI version | 0.00 |
| Intel Virtualization Technology (VT-x) | Yes |
| Intel FDI Technology | Yes |
| Intel Fast Memory Access | No |
| Cable lock slot | No |
| Quick start guide | Yes |
| Power cord included | Yes |
| 3D | No |
Packaging & supplied accessories1 detail
| Manual | Yes |
|---|
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.