Radeon Instinct MI300X vs 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 | 5.78 | no data |
| Architecture | GCN 1.0 (2012−2020) | CDNA 3.0 (2023−2024) |
| GPU code name | Pitcairn | Aqua Vanjaram |
| Market segment | Workstation | Workstation |
| Release date | 27 March 2013 (12 years ago) | 6 December 2023 (1 year 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 | 19456 |
| Core clock speed | 950 MHz | 1000 MHz |
| Boost clock speed | no data | 2100 MHz |
| Number of transistors | 2,800 million | 153,000 million |
| Manufacturing process technology | 28 nm | 5 nm |
| Power consumption (TDP) | 150 Watt | 750 Watt |
| Texture fill rate | 76.00 | 2,554 |
| Floating-point processing power | 2.432 TFLOPS | 81.72 TFLOPS |
| ROPs | 32 | no data |
| TMUs | 80 | 1216 |
| Tensor Cores | no data | 1216 |
| L1 Cache | 320 KB | 4.8 MB |
| L2 Cache | 512 KB | 16 MB |
| L3 Cache | no data | 256 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 5.0 x16 |
| Length | 242 mm | no data |
| Width | 1-slot | OAM Module |
| Form factor | full height / full length | no data |
| Supplementary power connectors | 1x 6-pin | 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 | GDDR5 | HBM3 |
| Maximum RAM amount | 4 GB | 192 GB |
| Memory bus width | 256 Bit | 8192 Bit |
| Memory clock speed | 1200 MHz | 2525 MHz |
| Memory bandwidth | 154 GB/s | 5,171 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 |
| DLSS | - | + |
Pros & cons summary
| Recency | 27 March 2013 | 6 December 2023 |
| Maximum RAM amount | 4 GB | 192 GB |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 150 Watt | 750 Watt |
Sky 500 has 400% lower power consumption.
Instinct MI300X, on the other hand, has an age advantage of 10 years, a 4700% higher maximum VRAM amount, and a 460% more advanced lithography process.
We couldn't decide between Radeon Sky 500 and Radeon Instinct MI300X. We've got no test results to judge.
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