ATI Radeon X1950 XTX Uber Edition vs Tesla C870
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 | Tesla (2006−2010) | R500 (2005−2007) |
| GPU code name | G80 | R580+ |
| Market segment | Workstation | Desktop |
| Release date | 2 May 2007 (18 years ago) | 19 January 2007 (18 years ago) |
| Launch price (MSRP) | $1,499 | $788 |
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 | 128 | no data |
| Core clock speed | 600 MHz | 670 MHz |
| Number of transistors | 681 million | 384 million |
| Manufacturing process technology | 90 nm | 90 nm |
| Power consumption (TDP) | 171 Watt | 125 Watt |
| Texture fill rate | 38.40 | 10.72 |
| Floating-point processing power | 0.3456 TFLOPS | no data |
| ROPs | 24 | 16 |
| TMUs | 32 | 16 |
| L2 Cache | 96 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).
| Interface | PCIe 1.0 x16 | PCIe 1.0 x16 |
| Length | no data | 230 mm |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 2x 6-pin | 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 | GDDR3 | GDDR4 |
| Maximum RAM amount | 1536 MB | 512 MB |
| Memory bus width | 384 Bit | 256 Bit |
| Memory clock speed | 800 MHz | 1050 MHz |
| Memory bandwidth | 76.8 GB/s | 67.2 GB/s |
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 DVI, 1x VHDCI |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.1 (10_0) | 9.0c (9_3) |
| Shader Model | 4.0 | 3.0 |
| OpenGL | 3.3 | 2.0 |
| OpenCL | 1.1 | N/A |
| Vulkan | N/A | N/A |
| CUDA | + | - |
Pros & cons summary
| Recency | 2 May 2007 | 19 January 2007 |
| Maximum RAM amount | 1536 MB | 512 MB |
| Power consumption (TDP) | 171 Watt | 125 Watt |
Tesla C870 has an age advantage of 3 months, and a 200% higher maximum VRAM amount.
ATI X1950 XTX Uber Edition, on the other hand, has 36.8% lower power consumption.
We couldn't decide between Tesla C870 and Radeon X1950 XTX Uber Edition. We've got no test results to judge.
Be aware that Tesla C870 is a workstation graphics card while Radeon X1950 XTX Uber Edition is a desktop one.
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