GeForce 405M vs 305M
General info
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GT2xx (2009−2012) | GT2xx (2009−2012) |
| GPU code name | n11m-lp1 | GT218 |
| Market segment | Laptop | Laptop |
| Release date | 10 January 2010 (14 years old) | 11 May 2012 (11 years old) |
| Current price | $163 | $163 |
Technical specs
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 16 | 16 |
| CUDA cores | 16 | 16 |
| Core clock speed | 525 MHz | 606 MHz |
| Number of transistors | 260 million | 260 million |
| Manufacturing process technology | 40 nm | 40 nm |
| Power consumption (TDP) | 14 Watt | 14 Watt |
| Texture fill rate | 4.200 | 4.848 |
| Floating-point performance | 36.8 gflops | 38.78 gflops |
| Gigaflops | 55 | 73 |
Size and compatibility
Information on GeForce 305M and GeForce 405M compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Bus support | PCI-E 2.0 | PCI-E 2.0 |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
Memory
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR2, GDDR3, DDR2, DDR3 | GDDR3, DDR3 |
| Maximum RAM amount | Up to 512 MB | Up to 512 MB |
| Memory bus width | 64 Bit | 64 Bit |
| Memory clock speed | Up to 700 (DDR3), Up to 700 (GDDR3) MHz | Up to 800 (DDR3), Up to 800 (GDDR3) MHz |
| Memory bandwidth | 11.2 GB/s | 25.6 GB/s |
| Shared memory | - | - |
Video outputs and ports
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | DisplayPortHDMIVGADual Link DVISingle Link DVI | DisplayPort, HDMI, VGA, Dual Link DVI, Single Link DVI |
| Multi monitor support | + | + |
| HDMI | + | + |
| Maximum VGA resolution | 2048x1536 | 2048x1536 |
Technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Power management | 8.0 | 8.0 |
API support
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 11.1 (10_1) | 12 API |
| Shader Model | 4.1 | 4.1 |
| OpenGL | 2.1 | 4.5 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | N/A | N/A |
| CUDA | + | + |
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