A40 PCIe vs GeForce GTX 1660 Super
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 162 | not rated |
| Place by popularity | 8 | not in top-100 |
| Cost-effectiveness evaluation | 58.52 | no data |
| Power efficiency | 18.14 | no data |
| Architecture | Turing (2018−2022) | Ampere (2020−2024) |
| GPU code name | TU116 | GA102 |
| Market segment | Desktop | Workstation |
| Release date | 29 October 2019 (5 years ago) | 5 October 2020 (4 years ago) |
| Launch price (MSRP) | $229 | no data |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
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 | 1408 | 10752 |
| Core clock speed | 1530 MHz | 1305 MHz |
| Boost clock speed | 1785 MHz | 1755 MHz |
| Number of transistors | 6,600 million | 28,300 million |
| Manufacturing process technology | 12 nm | 8 nm |
| Power consumption (TDP) | 125 Watt | 300 Watt |
| Texture fill rate | 157.1 | 589.7 |
| Floating-point processing power | 5.027 TFLOPS | 37.74 TFLOPS |
| ROPs | 48 | 112 |
| TMUs | 88 | 336 |
| Tensor Cores | no data | 336 |
| Ray Tracing Cores | no data | 84 |
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 3.0 x16 | PCIe 4.0 x16 |
| Length | 229 mm | 267 mm |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 1x 8-pin | 8-pin EPS |
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 | GDDR6 | GDDR6 |
| Maximum RAM amount | 6 GB | 48 GB |
| Memory bus width | 192 Bit | 384 Bit |
| Memory clock speed | 1750 MHz | 1812 MHz |
| Memory bandwidth | 336.0 GB/s | 695.8 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 | 1x DVI, 1x HDMI, 1x DisplayPort | 3x DisplayPort |
| HDMI | + | - |
| HDCP | + | - |
| G-SYNC support | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| NVENC | + | no data |
| Ansel | + | no data |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
| Shader Model | 6.5 | 6.5 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.2.131 | 1.2 |
| CUDA | 7.5 | 8.6 |
Pros & cons summary
| Recency | 29 October 2019 | 5 October 2020 |
| Maximum RAM amount | 6 GB | 48 GB |
| Chip lithography | 12 nm | 8 nm |
| Power consumption (TDP) | 125 Watt | 300 Watt |
GTX 1660 Super has 140% lower power consumption.
A40 PCIe, on the other hand, has an age advantage of 11 months, a 700% higher maximum VRAM amount, and a 50% more advanced lithography process.
We couldn't decide between GeForce GTX 1660 Super and A40 PCIe. We've got no test results to judge.
Be aware that GeForce GTX 1660 Super is a desktop card while A40 PCIe 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
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
