A800 PCIe 40 GB vs Radeon Sky 500
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 455 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 5.75 | no data |
| Architecture | GCN 1.0 (2012−2020) | Ampere (2020−2025) |
| GPU code name | Pitcairn | GA100 |
| Market segment | Workstation | Workstation |
| Release date | 27 March 2013 (12 years ago) | 8 November 2022 (2 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.
| Pipelines / CUDA cores | 1280 | 6912 |
| Core clock speed | 950 MHz | 765 MHz |
| Boost clock speed | no data | 1410 MHz |
| Number of transistors | 2,800 million | 54,200 million |
| Manufacturing process technology | 28 nm | 7 nm |
| Power consumption (TDP) | 150 Watt | 250 Watt |
| Texture fill rate | 76.00 | 609.1 |
| Floating-point processing power | 2.432 TFLOPS | 19.49 TFLOPS |
| ROPs | 32 | 160 |
| TMUs | 80 | 432 |
| Tensor Cores | no data | 432 |
| L1 Cache | 320 KB | 20.3 MB |
| L2 Cache | 512 KB | 40 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).
| Bus support | PCIe 3.0 | no data |
| Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Length | 242 mm | 267 mm |
| Width | 1-slot | 2-slot |
| Form factor | full height / full length | no data |
| Supplementary power connectors | 1x 6-pin | 8-pin EPS |
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 | HBM2e |
| Maximum RAM amount | 4 GB | 40 GB |
| Memory bus width | 256 Bit | 5120 Bit |
| Memory clock speed | 1200 MHz | 1215 MHz |
| Memory bandwidth | 154 GB/s | 1,555 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 | 1x DisplayPort | No outputs |
| DisplayPort count | 1 | no data |
| Dual-link DVI support | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | N/A |
| Shader Model | 5.1 | N/A |
| OpenGL | 4.6 | N/A |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2.131 | N/A |
| CUDA | - | 8.0 |
| DLSS | - | + |
Pros & cons summary
| Recency | 27 March 2013 | 8 November 2022 |
| Maximum RAM amount | 4 GB | 40 GB |
| Chip lithography | 28 nm | 7 nm |
| Power consumption (TDP) | 150 Watt | 250 Watt |
Sky 500 has 66.7% lower power consumption.
A800 PCIe 40 GB, on the other hand, has an age advantage of 9 years, a 900% higher maximum VRAM amount, and a 300% more advanced lithography process.
We couldn't decide between Radeon Sky 500 and A800 PCIe 40 GB. We've got no test results to judge.
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