GeForce GTX 1660 Max-Q vs GT 645 OEM
Contents
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 | Fermi 2.0 (2010−2014) | Turing (2018−2022) |
| GPU code name | GF114 | TU116 |
| Market segment | Desktop | Laptop |
| Release date | 24 April 2012 (13 years ago) | no data |
| Launch price (MSRP) | no data | $229 |
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 | 288 | no data |
| Core clock speed | 776 MHz | 1140 MHz |
| Boost clock speed | no data | 1335 MHz |
| Number of transistors | 1,950 million | 6,600 million |
| Manufacturing process technology | 40 nm | 12 nm |
| Power consumption (TDP) | 102 Watt | no data |
| Texture fill rate | 37.25 | no data |
| Floating-point processing power | 0.894 TFLOPS | no data |
| ROPs | 24 | no data |
| TMUs | 48 | no data |
| L1 Cache | 384 KB | no data |
| L2 Cache | 384 KB | no data |
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).
| Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Length | 210 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | no data | 1x 6-pin |
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 | GDDR5 | no data |
| Maximum RAM amount | 1 GB | no data |
| Memory bus width | 192 Bit | no data |
| Memory clock speed | 957 MHz | 8000 MHz |
| Memory bandwidth | 91.87 GB/s | no data |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 2x DVI, 1x mini-HDMI | 1x DVI, 1x HDMI, 3x DisplayPort |
| HDMI | + | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12.0 (12_1) |
| Shader Model | 5.1 | no data |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | no data |
| Vulkan | N/A | - |
| CUDA | 2.1 | - |
Pros & cons summary
| Chip lithography | 40 nm | 12 nm |
GTX 1660 Max-Q has a 233.3% more advanced lithography process.
We couldn't decide between GeForce GT 645 OEM and GeForce GTX 1660 Max-Q. We've got no test results to judge.
Be aware that GeForce GT 645 OEM is a desktop graphics card while GeForce GTX 1660 Max-Q is a notebook one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
