RTX A400 vs GeForce 7800 GTX 512
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 395 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 21.97 |
| Architecture | Curie (2003−2013) | Ampere (2020−2025) |
| GPU code name | G70 | GA107 |
| Market segment | Desktop | Workstation |
| Release date | 14 November 2005 (20 years ago) | 16 April 2024 (1 year ago) |
| Launch price (MSRP) | $649 | no data |
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 | no data | 768 |
| Core clock speed | 500 MHz | 727 MHz |
| Boost clock speed | no data | 1762 MHz |
| Number of transistors | 302 million | 8,700 million |
| Manufacturing process technology | 110 nm | 8 nm |
| Power consumption (TDP) | 108 Watt | 50 Watt |
| Texture fill rate | 12.00 | 42.29 |
| Floating-point processing power | no data | 2.706 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 24 | 24 |
| Tensor Cores | no data | 24 |
| Ray Tracing Cores | no data | 6 |
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 1.0 x16 | PCIe 4.0 x8 |
| Length | 228 mm | 163 mm |
| Width | 2-slot | 1-slot |
| Supplementary power connectors | no data | 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 | GDDR3 | GDDR6 |
| Maximum RAM amount | 512 MB | 4 GB |
| Memory bus width | 256 Bit | 64 Bit |
| Memory clock speed | 800 MHz | 1500 MHz |
| Memory bandwidth | 51.2 GB/s | 96 GB/s |
| Resizable BAR | - | + |
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 | 2x DVI, 1x S-Video | 4x mini-DisplayPort 1.4a |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0c (9_3) | 12 Ultimate (12_2) |
| Shader Model | 3.0 | 6.7 |
| OpenGL | 2.1 | 4.6 |
| OpenCL | N/A | 3.0 |
| Vulkan | N/A | 1.3 |
| CUDA | - | 8.6 |
| DLSS | - | + |
Pros & cons summary
| Recency | 14 November 2005 | 16 April 2024 |
| Maximum RAM amount | 512 MB | 4 GB |
| Chip lithography | 110 nm | 8 nm |
| Power consumption (TDP) | 108 Watt | 50 Watt |
RTX A400 has an age advantage of 18 years, a 700% higher maximum VRAM amount, a 1275% more advanced lithography process, and 116% lower power consumption.
We couldn't decide between GeForce 7800 GTX 512 and RTX A400. We've got no test results to judge.
Be aware that GeForce 7800 GTX 512 is a desktop graphics card while RTX A400 is a workstation one.
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