What's the differences between Epson F6280 and F7280?

Epson SC F-series printer is made for textile products, suitable for apparel, professional sportswear, decorations, advertising cloth flag, cloth display products in different product areas, different industrial background users can easily complete each print. New Evolution PrecisionCore technology and smart variable ink dot technology, perfect after-heating system.
Epson SureColor F7280 is ideal for fast, economical short- to-medium volume dye-sublimation transfer printing, at speeds up to 634 square feet per hour and widths up to 64-inches. Developed using the latest advancements in performance imaging, this innovative system includes our exclusive PrecisionCore™ TFP® print head, an integrated roll-to-roll media support system with high accuracy winding, and our latest dye-sublimation ink technology - Epson UltraChrome® DS with High Density Black.

Developed using the latest advancements in performance imaging, this innovative versatile solution includes our exclusive PrecisionCore™ TFP® print head, along with our latest dye-sublimation ink technology - Epson UltraChrome® DS with High Density Black.
Engineered from the ground up for Dye-Sublimation industrial-level production, designed to run all day, every day, the Epson SureColor F6280(6200) printer offers a range of features, including:

• Maximum resolution: 720x1440dpi
• Minimum droplet: 4.0pl
• Nozzle Technology: Single PrecisionCoreTM TFP Micro Piezo Nozzle (Smart Drop Transfer)
• Color: cyan, magenta, yellow, high concentration black or black
• Ink: Epson "live color DS" thermal transfer ink
• Format: 44 inches and 1118mm

I conclude these two model Epson inkjet printer, the differences between them are printing width, F7280 print width up to 64", F6280 print width up to 1.118m, the second is printing speed,  F7280{Speed (720 x 360 dpi)  634 SFPHProduction (720 x 720 dpi)  325 SFPHHigh Quality (1440 x 720 dpi) 119 SFPH}, F6280{Speed (720 x 360 dpi)  634 SFPHProduction (720 x 720 dpi)  325 SFPHHigh Quality (1440 x 720 dpi) 119 SFPH}
The other aspects of printer are same, same print head, same ink system, same accessories. 
More info:
Website：www.skyimagepaper.com
Company Name: Fei Yue Paper Industrial Co.,LTD
E-mail: sales@feiyuepaper.com 
Tel: 86-025-83228884
Whatsapp: +86 18252072197

Address: Central Road 323, Nanjing, Jiangsu, China