AMD Radeon R9 390X CrossFire Scaling

With the new AMD 300 Series cards there are now VGAs with 8 Gigabyte VRAM and we’re curious to find out how CrossFire scaling is going to be after this upgrade. We’ve tested one and two AMD Radeon R9 390X graphics cards with synthetic benchmarks as well as a selection of no less than 10 recent games.

Test Setup

Motherboard
  • ASUS Maximus VII Hero (BIOS 0224)
CPU
  • Intel Core i7-4770K @ 4.0 GHz (Turbo On / HT On)
Memory
  • G.Skill Ares Dual Channel 2x8GB @ CL11-12-11-28-1T-Auto DDR3-1600 MHz
Graphics Cards
  • 2 x AMD Radeon R9 390X 8GB
Drivers
  • Windows 7 x64 (up to date)
  • nVidia ForceWare latest version
  • AMD Catalyst 15.15
Games
  • Borderlands – The Pre-Sequel
  • BattleField 4
  • Watch Dogs
  • Tomb Raider
  • Sniper Elite 3
  • Crysis 3
  • Thief
  • GRID Autosport
  • Sleeping Dogs
  • Metro Last Light
  • Assassin’s Creed Unity
  • Far Cry 4
  • GTA V
Games and OS
  • Windows 7 x64
  • All games were up to date on the
System Drive
  • OCZ Storage Solutions Arc 100 240GB
PSU
  • Seasonic Platinum SS-1000XP / 1000 Watts