Radeon Instinct MI350X vs HD 6490M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1163 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | TeraScale 2 (2009−2015) | CDNA 4.0 (2025) |
| GPU code name | Seymour | CDNA Next |
| Market segment | Laptop | Workstation |
| Release date | 4 January 2011 (14 years ago) | 2025 (recently) |
| Launch price (MSRP) | $1,193.03 | no data |
Cost-effectiveness evaluation
The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.
Performance to price scatter graph
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 | 160 | 16384 |
| Core clock speed | 800 MHz | 1000 MHz |
| Boost clock speed | no data | 2200 MHz |
| Number of transistors | 370 million | 185,000 million |
| Manufacturing process technology | 40 nm | 3 nm |
| Power consumption (TDP) | no data | 1000 Watt |
| Texture fill rate | 6.400 | 2,252.8 |
| Floating-point processing power | 0.256 TFLOPS | 72.09 TFLOPS |
| ROPs | 4 | no data |
| TMUs | 8 | 1024 |
| Tensor Cores | no data | 1024 |
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 2.0 x16 | PCIe 5.0 x16 |
| Width | no data | OAM Module |
| Supplementary power connectors | no data | 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 | HBM3e |
| Maximum RAM amount | 512 MB | 288 GB |
| Memory bus width | 64 Bit | 8192 Bit |
| Memory clock speed | 800 MHz | 2000 MHz |
| Memory bandwidth | 25.6 GB/s | 8.19 TB/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 | No outputs |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | N/A |
| Shader Model | 5.0 | N/A |
| OpenGL | 4.4 | N/A |
| OpenCL | 1.2 | 3.0 |
| Vulkan | N/A | N/A |
| DLSS | - | + |
Pros & cons summary
| Maximum RAM amount | 512 MB | 288 GB |
| Chip lithography | 40 nm | 3 nm |
Instinct MI350X has a 57500% higher maximum VRAM amount, and a 1233.3% more advanced lithography process.
We couldn't decide between Radeon HD 6490M and Radeon Instinct MI350X. We've got no test results to judge.
Be aware that Radeon HD 6490M is a notebook graphics card while Radeon Instinct MI350X is a workstation one.
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