GeForce RTX 5080 vs Radeon Instinct MI300
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 5 |
| Place by popularity | not in top-100 | 69 |
| Cost-effectiveness evaluation | no data | 49.17 |
| Power efficiency | no data | 18.39 |
| Architecture | CDNA 3.0 (2023−2024) | Blackwell 2.0 (2025−2026) |
| GPU code name | Aqua Vanjaram | GB203 |
| Market segment | Workstation | Desktop |
| Release date | 4 January 2023 (3 years ago) | 30 January 2025 (1 year ago) |
| Launch price (MSRP) | no data | $999 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 14080 | 10752 |
| Core clock speed | 1000 MHz | 2295 MHz |
| Boost clock speed | 1700 MHz | 2617 MHz |
| Number of transistors | 153,000 million | 45,600 million |
| Manufacturing process technology | 5 nm | 5 nm |
| Power consumption (TDP) | 600 Watt | 360 Watt |
| Texture fill rate | 1,496.0 | 879.3 |
| Floating-point processing power | 47.87 TFLOPS | 56.28 TFLOPS |
| ROPs | no data | 112 |
| TMUs | 880 | 336 |
| Tensor Cores | 880 | 336 |
| Ray Tracing Cores | no data | 84 |
| L1 Cache | 3.4 MB | 10.5 MB |
| L2 Cache | 16 MB | 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 5.0 x16 | PCIe 5.0 x16 |
| Length | 267 mm | 304 mm |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 2x 8-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 | HBM3 | GDDR7 |
| Maximum RAM amount | 128 GB | 16 GB |
| Memory bus width | 8192 Bit | 256 Bit |
| Memory clock speed | 1300 MHz | 1875 MHz |
| Memory bandwidth | 5.32 TB/s | 960.0 GB/s |
| Shared memory | - | - |
| 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 | No outputs | 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 | N/A | 12 Ultimate (12_2) |
| Shader Model | N/A | 6.8 |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | N/A | 1.4 |
| CUDA | - | 12.0 |
| DLSS | + | + |
Pros & cons summary
| Recency | 4 January 2023 | 30 January 2025 |
| Maximum RAM amount | 128 GB | 16 GB |
| Power consumption (TDP) | 600 Watt | 360 Watt |
Instinct MI300 has a 700% higher maximum VRAM amount.
RTX 5080, on the other hand, has an age advantage of 2 years, and 67% lower power consumption.
We couldn't decide between Radeon Instinct MI300 and GeForce RTX 5080. We've got no test results to judge.
Be aware that Radeon Instinct MI300 is a workstation graphics card while GeForce RTX 5080 is a desktop one.
Other comparisons
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