Radeon HD 4870
FurMark and Radeon HD 4850 temperature with stock cooler
See you next week with the release of GPU Caps Viewer 1.6.0… 😉
I took the time this morming to publish the test of HIS’s Radeon HD 4850 I started on month ago. I must say that Radeon HD 4850 shows high OpenGL performances and as always, vertex processing is incredibly fast (see surface deformer benchmark). At idle, GPU temperature is around 70°C while under load the temperature reaches 93°C (3-minute test with GPU Caps Viewer burner).
The full test is available here: HIS Radeon HD 4850 Graphics Card Review.
Hexus has publihed a test of HIS’s Radeon HD 4850 featuring the IceQ4 cooling system. This cooler keeps the temperature to 46°C at idle and around 58°C under load.
Read the complete review here: HIS Radeon HD 4850 IceQ 4 TurboX – the best a man can get?
Here are the screenshots of my Radeon HD 4850 and Catalyst 8.10 BETA under XP32:
HIS HD 4850 IceQ4
Here is the list of OpenGL extensions supported by the Catalyst 8.9 graphics drivers for the Radeon HD 4850 under Windows XP SP2 32-bit.
GL_EXT_depth_buffer_float has the same role than NVIDIA GL_NV_depth_buffer_float. GL_EXT_blend_equation_separate is an OpenGL 1.5 extension and GL_AMD_texture_texture4 is not documented. But most of the new OpenGL 3 extensions quoted in the release note are not present in Catalyst 8.9 under Windows XP and Vista. Maybe AMD/ATI have introduced the same principle than NVIDIA, with a kind of OpenGL 3.0 activation somewhere (see here). But here again, no documentation is available. Or more simply, AMD want to show to the community that they do an effort to support the new major version of OpenGL, but any OpenGL 3 extension is currently available to developers. Communication is a tough art at ATI!
Graphics driver information:
– Operating System: Windows XP SP2 32-bit
– Drivers Version: 8.501.0.0 – Catalyst 08.9
– ATI Catalyst Version String: 08.9
– ATI Catalyst Release Version String: 8.53-080820a-068898C-ATI
– OpenGL Renderer: ATI Radeon HD 4800 Series
– Drivers Renderer: ATI Radeon HD 4800 Series
– OpenGL Version: 2.1.7976 Release
– GLSL (OpenGL Shading Language) Version: 1.20
– ARB Texture Units: 8
– Vertex Shader Texture Units: 16
– Pixel Shader Texture Units: 16
– Geometry Shader Texture Units: 0
– Max Texture Size: 8192×8192
– Max Anisotropic Filtering Value: X16.0
– Max Point Sprite Size: 8192.0
– Max Dynamic Lights: 8
– Max Viewport Size: 8192×8192
– Max Vertex Uniform Components: 512
– Max Fragment Uniform Components: 512
– Max Varying Float: 68
– Max Vertex Bindable Uniforms: 0
– Max Fragment Bindable Uniforms: 0
– Max Geometry Bindable Uniforms: 0
– MSAA: 1X
– MSAA: 2X
– MSAA: 4X
– MSAA: 8X
OpenGL Extensions: 108 extensions