Radeon RX 7990 XTX vs Pro Vega 64
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 170 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 9.19 | no data |
| Architecture | GCN 5.0 (2017−2020) | RDNA 3.0 (2022−2025) |
| GPU code name | Vega 10 | Navi 31 |
| Market segment | Workstation | Desktop |
| Release date | 27 June 2017 (7 years ago) | 2023 (2 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. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 4096 | 6144 |
| Core clock speed | 1250 MHz | 2500 MHz |
| Boost clock speed | 1350 MHz | 3599 MHz |
| Number of transistors | 12,500 million | 57,700 million |
| Manufacturing process technology | 14 nm | 5 nm |
| Power consumption (TDP) | 250 Watt | 405 Watt |
| Texture fill rate | 345.6 | 1,382 |
| Floating-point processing power | 11.06 TFLOPS | 88.45 TFLOPS |
| ROPs | 64 | 192 |
| TMUs | 256 | 384 |
| Ray Tracing Cores | no data | 96 |
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 3.0 x16 | PCIe 4.0 x16 |
| Length | 267 mm | 287 mm |
| Width | IGP | 3-slot |
| Supplementary power connectors | None | 3x 8-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 | HBM2 | GDDR6 |
| Maximum RAM amount | 16 GB | 24 GB |
| Memory bus width | 2048 Bit | 384 Bit |
| Memory clock speed | 786 MHz | 3000 MHz |
| Memory bandwidth | 402.4 GB/s | 1.15 TB/s |
| Resizable BAR | - | + |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | No outputs | 1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C |
| HDMI | - | + |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
| Shader Model | 6.4 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.2 |
| Vulkan | 1.1.125 | 1.3 |
Pros & cons summary
| Maximum RAM amount | 16 GB | 24 GB |
| Chip lithography | 14 nm | 5 nm |
| Power consumption (TDP) | 250 Watt | 405 Watt |
Pro Vega 64 has 62% lower power consumption.
RX 7990 XTX, on the other hand, has a 50% higher maximum VRAM amount, and a 180% more advanced lithography process.
We couldn't decide between Radeon Pro Vega 64 and Radeon RX 7990 XTX. We've got no test results to judge.
Be aware that Radeon Pro Vega 64 is a workstation graphics card while Radeon RX 7990 XTX is a desktop one.
Other comparisons
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