Radeon R7 250XE vs Quadro K420
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 976 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.08 | no data |
| Power efficiency | 3.24 | no data |
| Architecture | Kepler (2012−2018) | GCN 1.0 (2012−2020) |
| GPU code name | GK107 | Cape Verde |
| Market segment | Workstation | Desktop |
| Release date | 22 July 2014 (11 years ago) | 21 August 2014 (11 years ago) |
| Launch price (MSRP) | $96.67 | no data |
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 | 192 | 640 |
| Core clock speed | 876 MHz | 860 MHz |
| Number of transistors | 1,270 million | 1,500 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 41 Watt | 80 Watt |
| Texture fill rate | 14.02 | 34.40 |
| Floating-point processing power | 0.3364 TFLOPS | 1.101 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 16 | 40 |
| L1 Cache | 16 KB | 160 KB |
| L2 Cache | 256 KB | 256 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 2.0 x16 | PCIe 3.0 x16 |
| Length | 160 mm | no data |
| Width | 1" (2.5 cm) | 1-slot |
| Supplementary power connectors | None | 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 | 128 Bit | GDDR5 |
| Maximum RAM amount | 1 GB/2 GB | 1 GB |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 891 MHz | 1125 MHz |
| Memory bandwidth | Up to 29 GB/s | 72 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 | 1x DVI, 1x DisplayPort | 1x DVI, 1x HDMI, 1x VGA |
| Number of simultaneous displays | 4 | no data |
| HDMI | - | + |
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 support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 | 12 (11_1) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.5 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.2.131 |
| CUDA | 3.0 | - |
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
