The Nvidia GeForce 9400M G is an integrated (onboard) graphics card for laptops without dedicated graphics memory. The card was introduced in October 2008 in conjunction with the new Apple MacBook, MacBook Pro, and MacBook Air products (called only 9400M). At the time of announcement it was the fastest mGPU (motherboard GPU) on the market.
The 9400M G graphics core is used in the MCP79 laptop chipset and in the ION platform for netbooks (which is essentially the same). The ION LE uses the same graphics core, but the DirectX support is limited to 9 (instead of 10). The clock rates of all thre platforms is identical.
The performance of the 9400M G is comparable to current entry level GPUs with dedicated graphics memory (like the GeForce 9300M GS).Therefore, the graphics adapater is able to display older games (like Doom3) in high details fluently and new (not too demanding games) in low details fluently. Warhammer Online should for example run on the 2.4 GHz MacBook fluently. Compared to the predecessor in the MacBook, the Intel GMA X3100, the GeForce 9400M should perform 5x better.
Because of the shared memory (the memory is reserved from the main memory), the graphics adapter performs significantly better with DDR3 main memory than with DDR2 (up to 33% more performance).
The current consumption of the mGPU is with a maximum of 12 Watt TDP (for the whole chipset (north- and southbridge are integrated) on par with the current Intel GMA X4500MHD (Centrino 2).
The chipset supports Hybrid-SLI (HybridPower) in conjunction with some GeForce 9x00M cards like the 9600M GT. HybridPower is a technique to choose between the integrated and dedicated graphics core, if performance or battery runtime is needed. Up to now the user has to use a tool to switch between the GPUs. (in Windows Vista, XP is not supported and MacOs needs a reboot according to Nvidia - at time of announcement). GeForceBoost to boost the performance (using SLI) is not supported in the MacBook Pro.
As the 9500M G, the 9400M features 16 stream processors that do the work of the former dedicated pixel- and vertex-shaders. The unified shaders of Nvidia are 1-dimensional (AMD has 5-dimensional shaders which leads to the higher number of shaders).
The MCP79MX (codename of the GeForce 9400M) can help the CPU in decoding HD videos. It features the PureVideo HD engine (VP3 video processor). Furthermore, the chip can be programmed using CUDA and can accellerate some operations in Photoshop CS4.
At the same time the desktop 9300 and 9400 mGPU was presented, which should perform simillarly (the laptop chipset 9400M should perform a bit lower than the 9300).
- Range of benchmark values for this graphics card - Average benchmark values for this graphics card * Smaller numbers mean a higher performance
Game Benchmarks
The following benchmarks stem from our benchmarks of review laptops. The performance depends on the used graphics memory, clock rate, processor, system settings, drivers, and operating systems. So the results don't have to be representative for all laptops with this GPU. For detailed information on the benchmark results, click on the fps number.
» With all tested laptops playable in detail settings high.
For more games that might be playable and a list of all games and graphics cards visit our Gaming List
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Game Performance
The following benchmarks should give a rough impression on the gaming capabilities of the 9400M graphics card. The values can vary according to the used CPU and main memory (especially using DDR2 instead of DDR3 main memory).
Crysis: 1024x768, med: 13 fps -> not playable World in Conflict: 1024x768, med: 11 fps -> not playable (with min. details playable) Warhammer Online: according to a YouTube video fluently playable with good details Spore: 1280x800, max -> many pop-ins, in lower detailsettings playable
Notebook reviews with NVIDIA GeForce 9400M (G) / ION (LE) graphics card
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- Average benchmark values for this graphics card
