Radeon HD 6490 vs GeForce RTX 3090
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 40 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 19.84 | no data |
| Power efficiency | 13.92 | no data |
| Architecture | Ampere (2020−2025) | TeraScale 2 (2009−2015) |
| GPU code name | GA102 | Redwood |
| Market segment | Desktop | Desktop |
| Release date | 1 September 2020 (5 years ago) | 4 July 2011 (14 years ago) |
| Launch price (MSRP) | $1,499 | no data |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
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 | 10496 | 320 |
| Core clock speed | 1395 MHz | 550 MHz |
| Boost clock speed | 1695 MHz | no data |
| Number of transistors | 28,300 million | 627 million |
| Manufacturing process technology | 8 nm | 40 nm |
| Power consumption (TDP) | 350 Watt | 39 Watt |
| Texture fill rate | 556.0 | 8.800 |
| Floating-point processing power | 35.58 TFLOPS | 0.352 TFLOPS |
| ROPs | 112 | 8 |
| TMUs | 328 | 16 |
| Tensor Cores | 328 | no data |
| Ray Tracing Cores | 82 | no data |
| L1 Cache | 10.3 MB | 32 KB |
| L2 Cache | 6 MB | 256 KB |
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 4.0 x16 | PCIe 2.0 x16 |
| Length | 336 mm | 165 mm |
| Width | 3-slot | 1-slot |
| Supplementary power connectors | 1x 12-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 | GDDR6X | DDR2 |
| Maximum RAM amount | 24 GB | 1 GB |
| Memory bus width | 384 Bit | 128 Bit |
| Memory clock speed | 1219 MHz | 500 MHz |
| Memory bandwidth | 936.2 GB/s | 16 GB/s |
| Shared memory | - | no data |
| 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 HDMI, 3x DisplayPort | 1x DVI, 1x HDMI, 1x VGA |
| HDMI | + | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | 11.2 (11_0) |
| Shader Model | 6.5 | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 2.0 | 1.2 |
| Vulkan | 1.2 | N/A |
| CUDA | 8.5 | - |
| DLSS | + | - |
Pros & cons summary
| Recency | 1 September 2020 | 4 July 2011 |
| Maximum RAM amount | 24 GB | 1 GB |
| Chip lithography | 8 nm | 40 nm |
| Power consumption (TDP) | 350 Watt | 39 Watt |
RTX 3090 has an age advantage of 9 years, a 2300% higher maximum VRAM amount, and a 400% more advanced lithography process.
HD 6490, on the other hand, has 797.4% lower power consumption.
We couldn't decide between GeForce RTX 3090 and Radeon HD 6490. We've got no test results to judge.
Other comparisons
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