Tesla K40t vs GeForce 305M
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Tesla 2.0 (2007−2013) | Kepler (2012−2018) |
| GPU code name | GT218 | GK110B |
| Market segment | Laptop | Workstation |
| Release date | 10 January 2010 (14 years ago) | 22 November 2013 (10 years ago) |
| Launch price (MSRP) | no data | $7,699 |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 16 | 2880 |
| CUDA cores | 16 | no data |
| Core clock speed | 525 MHz | 745 MHz |
| Boost clock speed | no data | 876 MHz |
| Number of transistors | 260 million | 7,080 million |
| Manufacturing process technology | 40 nm | 28 nm |
| Power consumption (TDP) | 14 Watt | 245 Watt |
| Texture fill rate | 4.200 | 210.2 |
| Floating-point processing power | 0.0368 TFLOPS | 5.046 TFLOPS |
| Gigaflops | 55 | no data |
| ROPs | 4 | 48 |
| TMUs | 8 | 240 |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Bus support | PCI-E 2.0 | no data |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Length | no data | 267 mm |
| Width | no data | 2-slot |
VRAM capacity and type
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 | GDDR3 | GDDR5 |
| Maximum RAM amount | Up to 512 MB | 12 GB |
| Memory bus width | 64 Bit | 384 Bit |
| Memory clock speed | Up to 700 (DDR3), Up to 700 (GDDR3) MHz | 1502 MHz |
| Memory bandwidth | 11.2 GB/s | 288.4 GB/s |
| Shared memory | - | - |
Connectivity and outputs
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 | No outputs |
| Multi monitor support | + | no data |
| HDMI | + | - |
| Maximum VGA resolution | 2048x1536 | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Power management | 8.0 | no data |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.1 (10_1) | 12 (11_1) |
| Shader Model | 4.1 | 5.1 |
| OpenGL | 2.1 | 4.6 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | N/A | 1.1.126 |
| CUDA | + | 3.5 |
Pros & cons summary
| Recency | 10 January 2010 | 22 November 2013 |
| Chip lithography | 40 nm | 28 nm |
| Power consumption (TDP) | 14 Watt | 245 Watt |
GeForce 305M has 1650% lower power consumption.
Tesla K40t, on the other hand, has an age advantage of 3 years, and a 42.9% more advanced lithography process.
We couldn't decide between GeForce 305M and Tesla K40t. We've got no test results to judge.
Be aware that GeForce 305M is a notebook card while Tesla K40t is a workstation one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
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