What's the diffrerent between Optiplex 5050 tower and 7050 tower?

finnce,

Below are the options for the Optiplex 7050 and the Optiplex 5050

System Spec Options for the Optiplex 7050 Tower
Processor
•6th Generation Intel Core i7-6700 (QC/8MB/8T/3.4GHz/65W)
•6th Generation Intel Core i5-6600 (QC/6MB/4T/3.3GHz/65W)
•6th Generation Intel Core i5-6500 (QC/6MB/4T/3.2GHz/65W)
•6th Generation Intel Core i3-6100 (DC/3MB/4T/3.7GHz/65W)
•7th Generation Intel Core i7-7700 (QC/8MB/8T/3.6GHz/65W)
•7th Generation Intel Core i5-7600 (QC/6MB/4T/3.5GHz/65W)
•7th Generation Intel Core i5-7500 (QC/6MB/4T/3.4GHz/65W)
•7th Generation Intel Core i3-7100 (DC/3MB/4T/3.9GHz/65W)
Intel Q270 Chipset
Graphic
•Intel HD 630 Graphics [with 7th Generation Core i3/i5/i7 CPU-GPU combo]
•Intel HD 530 [with 6th Generation Core i3/i5/i7 CPU-GPU combo]
•Intel HD 630 Graphics [with 7th Generation Core i3/i5/i7 CPU-GPU combo]
•Intel HD 530 [with 6th Generation Core i3/i5/i7 CPU-GPU combo]
Discrete Graphics
Discrete:
•AMD Radeon R5 430, 1 GB
•AMD Radeon R5 430, 2 GB
•AMD Radeon R7 450, 4 GB
Memory
Type: DDR4 DRAM Non-ECC•4 DDR4 slot
•4 GB, 8GB , and 16 GB DIMMs
NOTE: If this product is purchased with Intel 6th Gen CPUs or 7th Gen Celeron dual core CPU, the maximum MHz this product can achieve is 2133, though the memory material used is 2400 MHz.
Networking
•Integrated: Intel i219-LM Gigabit Ethernet LAN 10/100/1000 (Remote Wake Up, PXE and support)
•Intel Dual-Band Wireless-AC 8265 Wi-Fi + BT 4.2 Wireless Card (2x2), MU-MIMO
•Intel Dual-Band Wireless-AC 3165 Wi-Fi + BT 4.2 Wireless Card (1x1)
•Qualcomm QCA61x4A (DW1820)-for Brazil only
Audio Codec
•Realtek ALC3234 High Definition Audio Codec (supports multiple streaming)
•Internal speaker (mono)
I/O Connectors
Front:
•Two USB 3.1 Gen 1 ports
•Two USB 2.0 ports
•One Universal Audio Jack

Rear:
•Four USB 3.1 Gen 1 ports
•Two USB 2.0 ports (with Smart Power On)
•One Line-out port
•One RJ-45 (LAN) port
•Two PS/2 connectors (optional)
•Two Display port
•One HDMI Port
•One VGA port (optional)
•One serial port (optional)
•One AC power connector
Removable Media
•Media Card Reader-SD 4.0 (optional)
•Optical Drive
Storage Options
•Two 2.5" SATA 3.0 hard rive
•One 3.5" SATA 3.0 hard drive
•One SATA 2.0 ODD
Power
240 W power supply unit
Operating System Options
•Windows 10 64-bit
•Windows 8.1 64-bit
•Windows 7 64-bit
•Ubuntu
•Neokylin® v6.0 (China only)

Optiplex 5050 Tower Options

•6th Generation Intel Core i7-6700
•6th Generation Intel Core i5-6600
•6th Generation Intel Core i5-6500
•6th Generation Intel Core i3-6100
•Intel Pentium G4400
•7th Generation Intel Core i7-7700
•7th Generation Intel Core i5-7600
•7th Generation Intel Core i5-7500
•7th Generation Intel Core i3-7100
•Intel Pentium G4560

Chipset

IntelQ270Chipset

Graphics

Integrated:•Intel HD 630 Graphics [with 7th Generation Core i3/i5/i7 CPU-GPU combo]
•Intel HD 610 Graphics [with 7th Generation Pentium CPU-GPU combo]
•Intel HD 530 [with 6th Generation Core i3/i5/i7 CPU-GPU combo]
•Intel HD 510 Graphics [with 6th Generation Pentium CPU-GPU combo]

Discrete:

•1 GB AMD Radeon™ R5 430 (optional)
•2 GB AMD Radeon™ R5 430 (optional)
•4 GB AMD Radeon™ R7 450 (optional)

Memory

Type: DDR4 DRAM Non-ECC 2133/2400 MHz
•Four DDR4 slots
•Supports 4GB, 8GB , and 16 GB DIMMs
Minimum memory: 4 GBMaximum memory: 64 GB

NOTE: If this product is purchased with Intel 6th Gen CPUs or 7th Gen Celeron dual core CPU, the maximum MHz this product can achieve is 2133, though the memory material used is 2400 MHz.

Networking

Integrated: •Intel® i219-V Gigabit1 Ethernet LAN 10/100/1000 (Remote Wake Up, PXE and support)
Wireless:•Intel® Dual-Band Wireless-AC 8265 Wi-Fi + BT 4.2 Wireless Card (2x2), MU-MIMO (optional)

Audio

•Realtek ALC3234 High Definition Audio Codec (supports multiple streaming)
•Internal speaker (mono)

I/O Connectors

Front:
•Two external USB 3.1 Gen 1 ports
•One Universal Audio Jack port
•Two external USB 2.0 ports (One with PowerShare)

Rear:
•Four external USB 3.1 Gen 1 connectors
•Two external USB 2.0 ports
•Two PS/2 connectors
•One RJ-45 (LAN) connector
•Optional VGA connector
•One serial port
•One HDMI port
•DisplayPort (2)
•One universal audio Jack
•One AC power connector

Removable Media

•SD Media Card Reader

Storage Options

•Two 2.5" SATA 3.0 HDD
•One 3.5" SATA 3.0 HDD
•One SATA 2.0 ODD
•M.2 PCIe/SATA SSD

Power

240W power supply unit (220V/110V)

Operating System Options

•Windows 10 64-bit
•Windows 8.1 64-bit
•Windows 7 64-bit
•Ubuntu
•Neokylin® v6.0 (China only)