GeForce 7800 GT Dual vs Radeon RX 490M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Polaris (2016−2019) | Curie (2003−2013) |
| GPU code name | Polaris | G70 |
| Market segment | Laptop | Desktop |
| Release date | 1 August 2016 (9 years ago) | 11 August 2005 (20 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.
| Core clock speed | no data | 400 MHz |
| Number of transistors | no data | 302 million |
| Manufacturing process technology | 14 nm | 110 nm |
| Texture fill rate | no data | 8.000 ×2 |
| ROPs | no data | 16 ×2 |
| TMUs | no data | 20 ×2 |
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 | no data | PCIe 1.0 x16 |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 1x 6-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 | GDDR5 | GDDR3 |
| Maximum RAM amount | no data | 256 MB ×2 |
| Memory bus width | no data | 256 Bit ×2 |
| Memory clock speed | no data | 500 MHz |
| Memory bandwidth | no data | 32 GB/s ×2 |
| 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 data | 2x DVI, 1x S-Video |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 | 9.0c (9_3) |
| Shader Model | no data | 3.0 |
| OpenGL | no data | 2.1 |
| OpenCL | no data | N/A |
| Vulkan | - | N/A |
Pros & cons summary
| Recency | 1 August 2016 | 11 August 2005 |
| Chip lithography | 14 nm | 110 nm |
RX 490M has an age advantage of 10 years, and a 686% more advanced lithography process.
We couldn't decide between Radeon RX 490M and GeForce 7800 GT Dual. We've got no test results to judge.
Be aware that Radeon RX 490M is a notebook graphics card while GeForce 7800 GT Dual is a desktop one.
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