Quadro K420 vs Tesla K8
Aggregate performance score
We've compared Tesla K8 and Quadro K420, covering specs and all relevant benchmarks.
Tesla K8 outperforms K420 by a whopping 417% 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 | 505 | 954 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.08 |
| Power efficiency | 6.86 | 3.24 |
| Architecture | Kepler (2012−2018) | Kepler (2012−2018) |
| GPU code name | GK104 | GK107 |
| Market segment | Workstation | Workstation |
| Release date | 16 September 2014 (10 years ago) | 22 July 2014 (11 years ago) |
| Launch price (MSRP) | no data | $96.67 |
Cost-effectiveness evaluation
The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.
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 | 1536 | 192 |
| Core clock speed | 693 MHz | 876 MHz |
| Boost clock speed | 811 MHz | no data |
| Number of transistors | 3,540 million | 1,270 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 100 Watt | 41 Watt |
| Texture fill rate | 103.8 | 14.02 |
| Floating-point processing power | 2.491 TFLOPS | 0.3364 TFLOPS |
| ROPs | 32 | 16 |
| TMUs | 128 | 16 |
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 2.0 x16 |
| Length | 241 mm | 160 mm |
| Width | 1-slot | 1" (2.5 cm) |
| Supplementary power connectors | 1x 6-pin | None |
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 | 128 Bit |
| Maximum RAM amount | 8 GB | 1 GB/2 GB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | 1250 MHz | 891 MHz |
| Memory bandwidth | 160.0 GB/s | Up to 29 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 | 1x DVI, 1x DisplayPort |
| Number of simultaneous displays | no data | 4 |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| 3D Vision Pro | no data | + |
| Mosaic | no data | + |
| nView Desktop Management | no data | + |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.5 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.1.126 |
| CUDA | 3.0 | 3.0 |
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 | 8.99 | 1.74 |
| Recency | 16 September 2014 | 22 July 2014 |
| Maximum RAM amount | 8 GB | 1 GB/2 GB |
| Power consumption (TDP) | 100 Watt | 41 Watt |
Tesla K8 has a 416.7% higher aggregate performance score, an age advantage of 1 month, and a 700% higher maximum VRAM amount.
Quadro K420, on the other hand, has 143.9% lower power consumption.
The Tesla K8 is our recommended choice as it beats the Quadro K420 in performance tests.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
