Tesla K40m vs GeForce 945A
Aggregate performance score
We've compared GeForce 945A with Tesla K40m, including specs and performance data.
K40m outperforms 945A by an impressive 70% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 711 | 578 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.06 |
| Power efficiency | 10.34 | 2.36 |
| Architecture | Maxwell (2014−2017) | Kepler (2012−2018) |
| GPU code name | GM108 | GK110B |
| Market segment | Laptop | Workstation |
| Release date | 13 March 2015 (11 years ago) | 22 November 2013 (12 years ago) |
| Launch price (MSRP) | no data | $7,699 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
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 | 384 | 2880 |
| Core clock speed | 1006 MHz | 745 MHz |
| Boost clock speed | 1189 MHz | 876 MHz |
| Number of transistors | no data | 7,080 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 33 Watt | 245 Watt |
| Texture fill rate | 28.54 | 210.2 |
| Floating-point processing power | 0.9132 TFLOPS | 5.046 TFLOPS |
| ROPs | 8 | 48 |
| TMUs | 24 | 240 |
| L1 Cache | 192 KB | 240 KB |
| L2 Cache | 1024 KB | 1536 KB |
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 x8 | 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 | GDDR5 | GDDR5 |
| Maximum RAM amount | 1 GB | 12 GB |
| Memory bus width | 64 Bit | 384 Bit |
| Memory clock speed | 1253 MHz | 1502 MHz |
| Memory bandwidth | 40.1 GB/s | 288.4 GB/s |
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 | No outputs | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 (11_1) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.1.126 |
| CUDA | 5.0 | 3.5 |
Synthetic benchmarks
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Pros & cons summary
| Performance score | 4.43 | 7.52 |
| Recency | 13 March 2015 | 22 November 2013 |
| Maximum RAM amount | 1 GB | 12 GB |
| Power consumption (TDP) | 33 Watt | 245 Watt |
GeForce 945A has an age advantage of 1 year, and 642% lower power consumption.
Tesla K40m, on the other hand, has a 70% higher aggregate performance score, and a 1100% higher maximum VRAM amount.
The Tesla K40m is our recommended choice as it beats the GeForce 945A in performance tests.
Be aware that GeForce 945A is a notebook graphics card while Tesla K40m is a workstation one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
