Radeon RX Vega 64 Nano vs GeForce GT 645M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 907 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 5.42 | no data |
| Architecture | Kepler (2012−2018) | GCN 5.0 (2017−2020) |
| GPU code name | GK107 | Vega 10 |
| Market segment | Laptop | Desktop |
| Release date | 1 October 2012 (13 years ago) | 1 October 2017 (8 years ago) |
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 | 4096 |
| Core clock speed | Up to 710 MHz | 1156 MHz |
| Boost clock speed | no data | 1247 MHz |
| Number of transistors | 1,270 million | 12,500 million |
| Manufacturing process technology | 28 nm | 14 nm |
| Power consumption (TDP) | 32 Watt | 250 Watt |
| Texture fill rate | 22.69 | 319.2 |
| Floating-point processing power | 0.5445 TFLOPS | no data |
| ROPs | 16 | 64 |
| TMUs | 32 | 256 |
| L1 Cache | 32 KB | no data |
| L2 Cache | 256 KB | no data |
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 | medium sized | no data |
| Bus support | PCI Express 2.0, PCI Express 3.0 | no data |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Length | no data | 152 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 2x 8-pin |
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 | DDR3\GDDR5 | HBM2 |
| Maximum RAM amount | 2 GB | 8 GB |
| Memory bus width | 128bit | 2048 Bit |
| Memory clock speed | 900 MHz | 1600 MHz |
| Memory bandwidth | Up to 64.0 GB/s | 409.6 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 | 1x HDMI, 3x DisplayPort |
| HDMI | + | + |
| HDCP | + | - |
| Maximum VGA resolution | Up to 2048x1536 | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| 3D Blu-Ray | + | - |
| Optimus | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 API | 12.0 |
| Shader Model | 5.1 | 5.0 |
| OpenGL | 4.5 | 4.6 |
| OpenCL | 1.1 | 2.0 |
| Vulkan | 1.1.126 | - |
| CUDA | + | - |
Pros & cons summary
| Recency | 1 October 2012 | 1 October 2017 |
| Maximum RAM amount | 2 GB | 8 GB |
| Chip lithography | 28 nm | 14 nm |
| Power consumption (TDP) | 32 Watt | 250 Watt |
GT 645M has 681.3% lower power consumption.
RX Vega 64 Nano, on the other hand, has an age advantage of 5 years, a 300% higher maximum VRAM amount, and a 100% more advanced lithography process.
We couldn't decide between GeForce GT 645M and Radeon RX Vega 64 Nano. We've got no test results to judge.
Be aware that GeForce GT 645M is a notebook graphics card while Radeon RX Vega 64 Nano is a desktop one.
Other comparisons
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