GeForce 8400M GT vs GTX 980 SLI Mobile
General info
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 108 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Value for money | 77.60 | no data |
| Architecture | Maxwell (2014−2018) | no data |
| GPU code name | N16E-GXX SLI | G86M |
| Market segment | Laptop | Laptop |
| Release date | 22 September 2015 (8 years old) | 9 May 2007 (16 years old) |
| Current price | $301 | $310 |
Value for money
Performance to price ratio. The higher, the better.
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 | 4096 | 16 |
| Core clock speed | 1126 MHz | 450 MHz |
| Boost clock speed | 1228 MHz | no data |
| Number of transistors | 10400 Million | 210 million |
| Manufacturing process technology | 28 nm | 80 nm |
| Power consumption (TDP) | 330 Watt | 14 Watt |
| Texture fill rate | no data | 3.600 |
| Floating-point performance | no data | 28.8 gflops |
Size and compatibility
Information on GeForce GTX 980 SLI Mobile and GeForce 8400M GT 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.
| Laptop size | large | no data |
| Interface | no data | PCIe 1.0 x16 |
| SLI options | + | no data |
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 | GDDR5 | GDDR3 / GDDR2 |
| Maximum RAM amount | 2x 8 GB | 512 MB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | 3500 MHz | 600 MHz |
| Memory bandwidth | no data | 19.2 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 | no data | No outputs |
| G-SYNC support | + | no data |
API support
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12_1 | 11.1 (10_0) |
| Shader Model | no data | 4.0 |
| OpenGL | no data | 3.3 |
| OpenCL | no data | 1.1 |
| Vulkan | no data | N/A |
| CUDA | + | 1.1 |
Advantages and disadvantages
| Recency | 22 September 2015 | 9 May 2007 |
| Chip lithography | 28 nm | 80 nm |
| Power consumption (TDP) | 330 Watt | 14 Watt |
We couldn't decide between GeForce GTX 980 SLI Mobile and GeForce 8400M GT. We've got no test results to judge.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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