RTX A3000 Mobile 12 GB vs Radeon RX 6900
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 36 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 19.41 | no data |
| Architecture | RDNA 2.0 (2020−2025) | Ampere (2020−2025) |
| GPU code name | Navi 21 | GA104 |
| Market segment | Desktop | Mobile workstation |
| Release date | 28 October 2020 (5 years ago) | 12 April 2021 (5 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. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 4608 | 4096 |
| Core clock speed | no data | 495 MHz |
| Boost clock speed | 2105 MHz | 1170 MHz |
| Number of transistors | 23,000 million | 17,400 million |
| Manufacturing process technology | 7 nm | 8 nm |
| Power consumption (TDP) | 255 Watt | 70 Watt |
| Texture fill rate | 606.2 | 149.8 |
| Floating-point processing power | 19.4 TFLOPS | 9.585 TFLOPS |
| ROPs | 64 | 64 |
| TMUs | 288 | 128 |
| Tensor Cores | no data | 128 |
| Ray Tracing Cores | no data | 32 |
| L1 Cache | no data | 4 MB |
| L2 Cache | no data | 4 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 4.0 x16 | PCIe 4.0 x16 |
| Width | 2-slot | no data |
| Supplementary power connectors | 2x 8-pin | no data |
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 | GDDR6 | GDDR6 |
| Maximum RAM amount | 16 GB | 12 GB |
| Memory bus width | 256 Bit | 192 Bit |
| Memory clock speed | 16 GB/s | 1750 MHz |
| Memory bandwidth | 512.0 GB/s | 336.0 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 HDMI, 2x DisplayPort, 1x USB Type-C | Portable Device Dependent |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| Shader Model | 6.5 | 6.8 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 3.0 |
| Vulkan | 1.2 | 1.3 |
| CUDA | - | 8.6 |
| DLSS | - | + |
Pros & cons summary
| Recency | 28 October 2020 | 12 April 2021 |
| Maximum RAM amount | 16 GB | 12 GB |
| Chip lithography | 7 nm | 8 nm |
| Power consumption (TDP) | 255 Watt | 70 Watt |
RX 6900 has a 33% higher maximum VRAM amount, and a 14% more advanced lithography process.
RTX A3000 Mobile 12 GB, on the other hand, has an age advantage of 5 months, and 264% lower power consumption.
We couldn't decide between Radeon RX 6900 and RTX A3000 Mobile 12 GB. We've got no test results to judge.
Be aware that Radeon RX 6900 is a desktop graphics card while RTX A3000 Mobile 12 GB is a mobile workstation one.
Other comparisons
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