RTX A4000 Mobile vs Tesla K40st
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 105 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 24.18 |
| Architecture | Kepler (2012−2018) | Ampere (2020−2024) |
| GPU code name | GK110B | GA104 |
| Market segment | Workstation | Mobile workstation |
| Release date | 22 November 2013 (11 years ago) | 12 April 2021 (3 years ago) |
| Launch price (MSRP) | $7,699 | no data |
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 | 2880 | 5120 |
| Core clock speed | 575 MHz | 1140 MHz |
| Boost clock speed | no data | 1680 MHz |
| Number of transistors | 7,080 million | 17,400 million |
| Manufacturing process technology | 28 nm | 8 nm |
| Power consumption (TDP) | 245 Watt | 115 Watt |
| Texture fill rate | 138.0 | 268.8 |
| Floating-point processing power | 3.312 TFLOPS | 17.2 TFLOPS |
| ROPs | 48 | 80 |
| TMUs | 240 | 160 |
| Tensor Cores | no data | 160 |
| Ray Tracing Cores | no data | 40 |
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).
| Laptop size | no data | large |
| Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Length | 267 mm | no data |
| Width | 2-slot | no data |
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 | GDDR6 |
| Maximum RAM amount | 12 GB | 8 GB |
| Memory bus width | 384 Bit | 256 Bit |
| Memory clock speed | 1502 MHz | 1500 MHz |
| Memory bandwidth | 288.4 GB/s | 384.0 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 | No outputs | Portable Device Dependent |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.1.126 | 1.3 |
| CUDA | 3.5 | 8.6 |
Pros & cons summary
| Recency | 22 November 2013 | 12 April 2021 |
| Maximum RAM amount | 12 GB | 8 GB |
| Chip lithography | 28 nm | 8 nm |
| Power consumption (TDP) | 245 Watt | 115 Watt |
Tesla K40st has a 50% higher maximum VRAM amount.
RTX A4000 Mobile, on the other hand, has an age advantage of 7 years, a 250% more advanced lithography process, and 113% lower power consumption.
We couldn't decide between Tesla K40st and RTX A4000 Mobile. We've got no test results to judge.
Be aware that Tesla K40st is a workstation card while RTX A4000 Mobile is a mobile 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.
