AMD ha reso disponibili i nuovi driver Catalyst 14.4 beta, versione compatibile con le schede video dalla famiglia Radeon HD 5000 sino alla serie Radeon R9 200 oltre che con le APU delle famiglie A e E per quanto concerne la componente GPU integrata.
Questo driver implementa il supporto ufficiale alla scheda Radeon R9 295X2 oltre a varie ottimizzazioni per le tecniche di frame pacing in abbinamento a configurazioni CrossFire. Non mancano anche alcune ottimizzazioni per le API Mantle in abbinamento al gioco Battlefiled 4, il primo a ricevere supporto a queste nuove API specifiche per le schede video basate su architettura Graphics Core Next.
Il download dei driver, compatibili con sistemi operativi Windows 8.1, Windows 8 e Windows 7 tanto a 32bit come a 64bit, รจ accessibile online a questo indirizzo; di seguito sono riportate le principali note a corredo.
Feature Highlights of The AMD Catalyst™ 14.4 Release Candidate Driver for Windows
- Support for the AMD Radeon™ R9 295X
- CrossFire™ fixes enhancements:
- Crysis 3 – frame pacing improvements
- Far Cry 3 – 3 and 4 GPU performance improvements at high quality settings, high resolution settings
- Anno 2070 – Improved CrossFire scaling up to 34%
- Titanfall – Resolved in game flickering with CrossFire enabled
- Metro Last Light – Improved Crossfire scaling up to 10%
- Eyefinity 3x1 (with three 4K panels) no longer cuts off portions of the application
- Stuttering has been improved in certain applications when selecting mid-Eyefinity resolutions with V-sync Enabled
- Full support for OpenGL 4.4
- OpenGL 4.4 supports the following extensions:
- ARB_buffer_storage
- ARB_enhanced_layouts
- ARB_query_buffer_object
- ARB_clear_texture
- ARB_texture_mirror_clamp_to_edge
- ARB_texture_stencil8
- ARB_vertex_type_10f_11f_11f_rev
- ARB_multi_bind
- ARB_bindless_texture
- ARB_spare_texture
- ARB_seamless_cubemap_per_texture
- ARB_indirect_parameters
- ARB_compute_variable_group_size
- ARB_shader_draw_parameters
- ARB_shader_group_vote
- Mantle beta driver improvements:
- BattleField 4: Performance slowdown is no longer seen when performing a task switch/Alt-tab
- BattleField 4: Fuzzy images when playing in rotated SLS resolution with an A10 Kaveri system
Known Issues
- System will TDR or BSOD when encoding with Power Director 11
- Driver installation might result in a black screen when installing on a Dual AMD Radeon R9 295X configuration under Windows 8.1 on specific platforms (see below). The issue can be overcome by rebooting the PC; upon reboot the display driver will be installed. The remaining Catalyst components can then be installed.
- ASUS Crosshair V Formula-Z (990FX)
- ASUS Maximus VI Extreme (Z87
- ASUS Rampage IV Extreme (X79)
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