RTX PRO 4500 Blackwell vs ATI Radeon X1950 XTX
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 6 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 32.96 |
| Architecture | R500 (2005−2007) | Blackwell 2.0 (2025−2026) |
| GPU code name | R580+ | GB203 |
| Market segment | Desktop | Workstation |
| Release date | 17 October 2006 (19 years ago) | 18 March 2025 (less than a year ago) |
| Launch price (MSRP) | $449 | 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 | 10496 |
| Core clock speed | 650 MHz | 1635 MHz |
| Boost clock speed | no data | 2407 MHz |
| Number of transistors | 384 million | 45,600 million |
| Manufacturing process technology | 90 nm | 5 nm |
| Power consumption (TDP) | 125 Watt | 200 Watt |
| Texture fill rate | 10.40 | 789.5 |
| Floating-point processing power | no data | 50.53 TFLOPS |
| ROPs | 16 | 112 |
| TMUs | 16 | 328 |
| Tensor Cores | no data | 328 |
| Ray Tracing Cores | no data | 82 |
| L1 Cache | no data | 10.3 MB |
| L2 Cache | no data | 64 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 | 230 mm | 267 mm |
| Width | 2-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 | GDDR4 | GDDR7 |
| Maximum RAM amount | 512 MB | 32 GB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 1000 MHz | 1750 MHz |
| Memory bandwidth | 64 GB/s | 896.0 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 DisplayPort 2.1b |
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
| Recency | 17 October 2006 | 18 March 2025 |
| Maximum RAM amount | 512 MB | 32 GB |
| Chip lithography | 90 nm | 5 nm |
| Power consumption (TDP) | 125 Watt | 200 Watt |
ATI X1950 XTX has 60% lower power consumption.
RTX PRO 4500 Blackwell, on the other hand, has an age advantage of 18 years, a 6300% higher maximum VRAM amount, and a 1700% more advanced lithography process.
We couldn't decide between Radeon X1950 XTX and RTX PRO 4500 Blackwell. We've got no test results to judge.
Be aware that Radeon X1950 XTX is a desktop graphics card while RTX PRO 4500 Blackwell is a workstation one.
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