GeForce GT 645 OEM vs Radeon RX 550 Mobile
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 600 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.47 | no data |
| Power efficiency | 9.79 | no data |
| Architecture | GCN 4.0 (2016−2020) | Fermi 2.0 (2010−2014) |
| GPU code name | Lexa | GF114 |
| Market segment | Laptop | Desktop |
| Release date | 2 July 2017 (8 years ago) | 24 April 2012 (13 years ago) |
| Launch price (MSRP) | $79.99 | no data |
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 | 640 | 288 |
| Core clock speed | 1100 MHz | 776 MHz |
| Boost clock speed | 1287 MHz | no data |
| Number of transistors | 2,200 million | 1,950 million |
| Manufacturing process technology | 14 nm | 40 nm |
| Power consumption (TDP) | 50 Watt | 102 Watt |
| Texture fill rate | 51.48 | 37.25 |
| Floating-point processing power | 1.647 TFLOPS | 0.894 TFLOPS |
| ROPs | 16 | 24 |
| TMUs | 40 | 48 |
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 | large | no data |
| Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
| Length | no data | 210 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 | 2 GB | 1 GB |
| Memory bus width | 128 Bit | 192 Bit |
| Memory clock speed | 1500 MHz | 957 MHz |
| Memory bandwidth | 96 GB/s | 91.87 GB/s |
| Shared memory | - | - |
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 | 2x DVI, 1x mini-HDMI |
| HDMI | - | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| FreeSync | + | - |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_0) | 12 (11_0) |
| Shader Model | 6.4 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 1.1 |
| Vulkan | 1.2.131 | N/A |
| CUDA | - | 2.1 |
Pros & cons summary
| Recency | 2 July 2017 | 24 April 2012 |
| Maximum RAM amount | 2 GB | 1 GB |
| Chip lithography | 14 nm | 40 nm |
| Power consumption (TDP) | 50 Watt | 102 Watt |
RX 550 Mobile has an age advantage of 5 years, a 100% higher maximum VRAM amount, a 185.7% more advanced lithography process, and 104% lower power consumption.
We couldn't decide between Radeon RX 550 Mobile and GeForce GT 645 OEM. We've got no test results to judge.
Be aware that Radeon RX 550 Mobile is a notebook graphics card while GeForce GT 645 OEM is a desktop one.
Other comparisons
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