GeForce RTX 5090 DD vs ATI Radeon X1900 GT
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1344 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 0.35 | no data |
| Architecture | R500 (2005−2007) | Blackwell 2.0 (2025−2026) |
| GPU code name | R580 | GB202 |
| Market segment | Desktop | Desktop |
| Release date | 1 May 2006 (19 years ago) | 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 | 21760 |
| Core clock speed | 575 MHz | 2017 MHz |
| Boost clock speed | no data | 2407 MHz |
| Number of transistors | 384 million | 92,200 million |
| Manufacturing process technology | 90 nm | 5 nm |
| Power consumption (TDP) | 75 Watt | 575 Watt |
| Texture fill rate | 6.900 | 1,636.8 |
| Floating-point processing power | no data | 104.8 TFLOPS |
| ROPs | 12 | 176 |
| TMUs | 12 | 680 |
| Tensor Cores | no data | 680 |
| Ray Tracing Cores | no data | 170 |
| L1 Cache | no data | 21.3 MB |
| L2 Cache | no data | 96 MB |
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 5.0 x16 |
| Length | no data | 304 mm |
| Width | 1-slot | 2-slot |
| Supplementary power connectors | 1x 6-pin | 1x 16-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 | GDDR3 | GDDR7 |
| Maximum RAM amount | 256 MB | 24 GB |
| Memory bus width | 256 Bit | 384 Bit |
| Memory clock speed | 600 MHz | 1750 MHz |
| Memory bandwidth | 38.4 GB/s | 1.34 TB/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 | 1x HDMI 2.1b, 3x DisplayPort 2.1b |
| HDMI | - | + |
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 | 6.8 |
| OpenGL | 2.0 | 4.6 |
| OpenCL | N/A | 3.0 |
| Vulkan | N/A | 1.4 |
| CUDA | - | 12.0 |
| DLSS | - | + |
Pros & cons summary
| Maximum RAM amount | 256 MB | 24 GB |
| Chip lithography | 90 nm | 5 nm |
| Power consumption (TDP) | 75 Watt | 575 Watt |
ATI X1900 GT has 666.7% lower power consumption.
RTX 5090 DD, on the other hand, has a 9500% higher maximum VRAM amount, and a 1700% more advanced lithography process.
We couldn't decide between Radeon X1900 GT and GeForce RTX 5090 DD. We've got no test results to judge.
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