Dell Precision 7540 vs. Dell Precision 3581

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell Precision 7540 and Dell Precision 3581. Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Dell Precision 7540 Review

Advantages and disadvantages of Dell Precision 7540 based on its technical characteristics, features, user experience, expert reviews and price level.

powerful processing capabilities

robust build quality

excellent graphics performance

expandable memory options

wide range of ports

heavy and bulky

expensive base model

average battery life

noisy under load

Dell Precision 3581 Review

Advantages and disadvantages of Dell Precision 3581 based on its technical characteristics, features, user experience, expert reviews and price level.

robust processing power

expandable memory options

reliable build quality

good thermal management

decent port selection

heavyweight design

mediocre battery life

standard display quality

higher price point

Laptop Comparison and Tests

Difference between Dell Precision 7540 and Dell Precision 3581
81 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery
75 % - Design
65 % - Display
72 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Dell Precision 7540 vs. Dell Precision 3581 Comparison Chart
DESIGN AND DIMENSIONS Dell Precision 7540 Dell Precision 3581
Product Type Mobile workstation Mobile workstation
Dimensions (WxDxH) 37.76 cm x 25.13 cm x 2.997 cm 35.78 cm x 23.33 cm x 2.47 cm
Weight 2.52 kg 1.795 kg
Colour Black Grey
DISPLAY Dell Precision 7540 Dell Precision 3581
Screen Size (Type) 15.6" - IPS 15.6" - IPS
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Pixel Density (ppi) 141 141
V-Sync Rate at Max Res. 60 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 -
Image Brightness - 400 cd/m²
Colour Gamut - 100% sRGB
Colour Support - 16.7 million colours
Features Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, 0.179 mm pixel pitch Anti-glare, ±80° horizontal viewing angle, ±80° vertical viewing angle, 35 ms response rate, 0.179 mm pixel pitch, True 8-bit
PROCESSOR Dell Precision 7540 Dell Precision 3581
CPU Intel Core i7 (9th Gen) 9750H / 2.6 GHz Intel Core i7 (13th Gen) 13700H / 2.4 GHz
Max Turbo Speed 4.5 GHz 5 GHz
Number of Cores 6-core 14-core
Cache 12 MB L3 - 24 MB
64-bit Computing Yes -
Chipset Mobile Intel CM246 -
Features Intel Turbo Boost Technology 2.0 Intel Smart Cache
MEMORY Dell Precision 7540 Dell Precision 3581
RAM 16 GB (2 x 8 GB) 16 GB (1 x 16 GB)
Max RAM Supported 128 GB 64 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed 2666 MHz 4800 MHz
Rated Speed 2666 MHz 4800 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 4 2
Empty Slots 2 1
STORAGE Dell Precision 7540 Dell Precision 3581
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe - Self-Encrypting Drive 512 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35
AUDIO & VIDEO Dell Precision 7540 Dell Precision 3581
Graphics Processor (GPU) NVIDIA Quadro T1000 NVIDIA RTX A1000
Video Memory 4 GB GDDR5 SDRAM 6 GB GDDR6 SDRAM
Camera Yes - 720p Yes - 1920 x 1080 (standard), 640 x 360 (infrared)
Resolution 0.92 Megapixel 2.07 Megapixel (standard), 0.23 Megapixel (infrared)
Camera Features IR camera, 86.7 degrees Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera)
Image Sensor Type - CMOS
Video Resolutions 1280 x 720 1920 x 1080, 640 x 360
Frame Rate 30 frames per second 30 frames per second
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3281 -
Compliant Standards High Definition Audio High Definition Audio
Audio Features - Output: MaxxAudio 12.0, Realtek Waves
COMMUNICATIONS Dell Precision 7540 Dell Precision 3581
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6 AX 200 - M.2 Card Intel Wi-Fi 6E AX 211 - M.2 2230
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Intel I219-LM Intel I219-LM
Features - Dual stream (2x2), WWAN aerial
BATTERY Dell Precision 7540 Dell Precision 3581
Technology 6-cell Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 97 Wh 64 Wh
AC ADAPTER Dell Precision 7540 Dell Precision 3581
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 180 Watt, 19.5 V, 9.23 A 130 Watt, 5 / 20 V
INPUT Dell Precision 7540 Dell Precision 3581
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features - 100-key
CONNECTIONS & EXPANSIONS Dell Precision 7540 Dell Precision 3581
Interfaces Headphone/microphone combo jack
2 x USB 3.1 Gen 1 (PowerShare)
2 x USB-C (supports Thunderbolt 3)
LAN
HDMI
Mini DisplayPort
HDMI
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery)
USB 3.2 Gen 1 (PowerShare)
USB 3.2 Gen 1
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) Yes (microSD, microSDHC, microSDXC)
SOFTWARE Dell Precision 7540 Dell Precision 3581
Operating System (OS) Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) Windows 11 Pro - Dutch / English / French / German / Italian
Software Included Microsoft Office (Trial) Intel Rapid Storage Technology, Microsoft Office (30 days trial, excludes office licence)
MISCELLANEOUS Dell Precision 7540 Dell Precision 3581
Included Accessories Power adapter USB-C power adapter
Integrated Options - Accelerometer, ambient light sensor
Security Trusted Platform Module (TPM 2.0) Security Chip, smart card reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, smart card reader
Security Slot Type Noble Wedge security slot Noble Wedge security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features ExpressCharge, noise reducing microphone Single pointing, Dell ControlVault 3, ExpressChargeBoost
Compliant Standards - FIPS 140-2, TCG Certified
Carbon Footprint - 343 kg carbon emissions
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 0 °C 0 °C
Humidity Range Operating 20 - 80% (non-condensing) 10 - 90% (non-condensing)
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