Radeon RX 7990 XTX vs RX Vega 6 (Ryzen 4000/5000)

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking584not rated
Place by popularitynot in top-100not in top-100
Power efficiency28.08no data
ArchitectureVega (2017−2020)RDNA 3.0 (2022−2024)
GPU code nameVega RenoirNavi 31
Market segmentLaptopDesktop
Release date7 January 2020 (4 years ago)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 cores3846144
Core clock speed400 MHz2500 MHz
Boost clock speed1500 MHz3599 MHz
Number of transistorsno data57,700 million
Manufacturing process technology7 nm5 nm
Power consumption (TDP)15 Watt405 Watt
Texture fill rateno data1,382
Floating-point processing powerno data88.45 TFLOPS
ROPsno data192
TMUsno data384
Ray Tracing Coresno data96

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).

Interfaceno dataPCIe 4.0 x16
Lengthno data287 mm
Widthno data3-slot
Supplementary power connectorsno data3x 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 typeno dataGDDR6
Maximum RAM amountno data24 GB
Memory bus widthno data384 Bit
Memory clock speedno data3000 MHz
Memory bandwidthno data1.15 TB/s
Shared memory+-

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 Connectorsno data1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI-+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12_112 Ultimate (12_2)
Shader Modelno data6.7
OpenGLno data4.6
OpenCLno data2.2
Vulkan-1.3

Pros & cons summary


Chip lithography 7 nm 5 nm
Power consumption (TDP) 15 Watt 405 Watt

RX Vega 6 (Ryzen 4000/5000) has 2600% lower power consumption.

RX 7990 XTX, on the other hand, has a 40% more advanced lithography process.

We couldn't decide between Radeon RX Vega 6 (Ryzen 4000/5000) and Radeon RX 7990 XTX. We've got no test results to judge.

Be aware that Radeon RX Vega 6 (Ryzen 4000/5000) is a notebook card while Radeon RX 7990 XTX is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon RX Vega 6 (Ryzen 4000/5000)
Radeon RX Vega 6 (Ryzen 4000/5000)
AMD Radeon RX 7990 XTX
Radeon RX 7990 XTX

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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