L20 vs Radeon RX 5900 XT
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 184 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 8.88 |
| Architecture | RDNA 2.0 (2020−2025) | Ada Lovelace (2022−2024) |
| GPU code name | Navi 21 | AD102 |
| Market segment | Desktop | Workstation |
| Release date | no data | 16 November 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 | 4352 | 11776 |
| Core clock speed | no data | 1440 MHz |
| Boost clock speed | 1735 MHz | 2520 MHz |
| Number of transistors | 21,000 million | 76,300 million |
| Manufacturing process technology | 7 nm | 5 nm |
| Power consumption (TDP) | 300 Watt | 275 Watt |
| Texture fill rate | 471.9 | 927.4 |
| Floating-point processing power | 15.1 TFLOPS | 59.35 TFLOPS |
| ROPs | 96 | 128 |
| TMUs | 272 | 368 |
| Tensor Cores | no data | 368 |
| Ray Tracing Cores | no data | 92 |
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 |
| Length | no data | 267 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 | GDDR6 | GDDR6 |
| Maximum RAM amount | 12 GB | 48 GB |
| Memory bus width | 384 Bit | 384 Bit |
| Memory clock speed | 14000 MHz | 2250 MHz |
| Memory bandwidth | 672.0 GB/s | 864.0 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, 3x DisplayPort | 4x DisplayPort 1.4a |
| HDMI | + | - |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_1) | 12 Ultimate (12_2) |
| Shader Model | no data | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | no data | 3.0 |
| Vulkan | - | 1.3 |
| CUDA | - | 8.9 |
| DLSS | - | + |
Pros & cons summary
| Maximum RAM amount | 12 GB | 48 GB |
| Chip lithography | 7 nm | 5 nm |
| Power consumption (TDP) | 300 Watt | 275 Watt |
L20 has a 300% higher maximum VRAM amount, a 40% more advanced lithography process, and 9.1% lower power consumption.
We couldn't decide between Radeon RX 5900 XT and L20. We've got no test results to judge.
Be aware that Radeon RX 5900 XT is a desktop graphics card while L20 is a workstation one.
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