AMD FirePro M8900 vs AMD FirePro M4000
AMD FirePro M8900► remove
The AMD FirePro M8900 is a high-end graphics card for mobile workstations. It is based on the same chip as the Radeon HD 6970M (Blackcomb XT) and therefore offers UVD3 decoding and slightly improved Tessellation performance compared to cards found in the previous generation (e.g., Radeon 6800 series).
Compared to the Radeon consumer line, the FirePro offers certified drivers for professional 3D applications. Due to optimizations and some unlocked features, the performance when running professional applications is highly improved.
The 960 Stream processors should be still based on the "old" 5D architecture, similar to the 5000 series. Due to the different architecture of the FirePro M8900, however, the core count cannot be directly compared to the 1D cores of current Nvidia GPUs. The Stream processors can be used with DirectX 11, OpenGL 4.1, DirectCompute 11 and OpenCL. With the later two, the cores can also be used for general computations like transcoding videos.
The theoretical performance of the FirePro M8900 is similar to the consumer counterpart, the Radeon HD 6970M. However, due to the specialized professional drivers, games may run a bit slower. The 6970M is able to run modern games in high settings and resolutions fluently (see benchmarks on the HD 6970M page).
The new UVD3 video decoder supports the decoding of MPEG-4 AVC/H.264, VC-1, MPEG-2, Flash and now also Multi-View Codec (MVC) and MPEG-4 part 2 (DivX, xVid) HD videos on the graphics card.
Furthermore, the FirePro M8900 integrates a HD audio controller to transmit HD Audio (TrueHD or DTS Master Audio) over HDMI or DisplayPort (e.g., for Blu-Ray videos).
The AMD HD3D Technology offers support for Blu-Ray 3D and 3D displays (integrated and external). However, the solution is not as mature as Nvidia's 3D Vision.
Thanks to Eyefinity, the M8900 graphics chip is able to theoretically drive up to 5 monitors simultaneously. However, this only works if the laptop features enough DisplayPort outputs.
The power consumption of the chip should be similar to the HD 6970M and is therefore best suited for large laptops (17-inch or greater) with good cooling solutions.
AMD FirePro M4000► remove
The AMD FirePro M4000 is a middle-class mobile workstation graphics card with DirectX 11 support. It is based on the same Cape-Verde-chip found in the Radeon HD 7700M series.
Compared to the Radeon consumer line, the FirePro offers certified drivers for professional 3D applications. Due to optimizations and some unlocked features, the performance when using professional applications is more efficient with the FirePro M4000.
The integrated 512 Stream processors of the FirePro M4000 are based on the new GCN-architecture.
The gaming performance should be slightly faster than the Radeon HD 7750M. Overall, the card is able to run modern games (2012) in medium details and HD resolution fluently.
The FirePro M4000 also supports automatic graphics switching between the integrated GPU and discrete GPU. Called Enduro, the technology supersedes AMD's Dynamic Switchable Graphics and is similar to Nvidia's Optimus. Furthermore, the card can directly support up to 6 connected monitors using Eyefinity Technology if Enduro is disabled.
Other features of the series include ZeroCore for reducing power consumption when the display is turned off and Power Gating to power down areas of the chip that are not used. PowerTune allows automatic overclocking and underclocking of the graphics card as long as the GPU is within its TDP range. For example, the chip may be underclocked when running FurMark and OCCT, but will overclock in certain games like Lost Planet, Crysis or Resident Evil 5.
The integrated HD audio processor is able to transmit HD Audio (TrueHD or DTS Master Audio) over HDMI and DisplayPort (e.g., for Blu-Ray videos). Additionally, it now allows audio to output simultaneously and in parallel to multiple devices with the new Discrete Digital Multipoint Audio (DDMA) feature.
The power consumption of the M4000 should be best suited for notebooks 15 inches or greater.
|AMD FirePro M8900||AMD FirePro M4000|
|FirePro M Series|
|Codename||Blackcomb XT||Cape Verde GLM|
|960 -||512 -|
|Core||680 MHz||600 MHz|
|Memory||900 MHz||4500 MHz|
|Bus||256 Bit||128 Bit|
|Max. Memory||2048 MB||2048 MB|
|DirectX||DirectX 11, 5.0||DirectX 11, 5.0|
|Transistors||1700 Million||1500 Million|
|Technology||40 nm||28 nm|
|Features||OpenCL 1.2, 32 TMUs, 16 ROPs|