Radeon RX 7990 XTX vs RTX A4000

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Primary details

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

Place in the ranking58not rated
Place by popularitynot in top-100not in top-100
Power efficiency24.73no data
ArchitectureAmpere (2020−2024)RDNA 3.0 (2022−2024)
GPU code nameGA104Navi 31
Market segmentWorkstationDesktop
Release date12 April 2021 (3 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 cores61446144
Core clock speed735 MHz2500 MHz
Boost clock speed1560 MHz3599 MHz
Number of transistors17,400 million57,700 million
Manufacturing process technology8 nm5 nm
Power consumption (TDP)140 Watt405 Watt
Texture fill rate299.51,382
Floating-point processing power19.17 TFLOPS88.45 TFLOPS
ROPs96192
TMUs192384
Tensor Cores192no data
Ray Tracing Cores4896

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).

InterfacePCIe 4.0 x16PCIe 4.0 x16
Length241 mm287 mm
Width1-slot3-slot
Supplementary power connectors1x 6-pin3x 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 typeGDDR6GDDR6
Maximum RAM amount16 GB24 GB
Memory bus width256 Bit384 Bit
Memory clock speed1750 MHz3000 MHz
Memory bandwidth448.0 GB/s1.15 TB/s

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 Connectors4x DisplayPort 1.4a1x 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 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.76.7
OpenGL4.64.6
OpenCL3.02.2
Vulkan1.31.3
CUDA8.6-

Pros & cons summary


Maximum RAM amount 16 GB 24 GB
Chip lithography 8 nm 5 nm
Power consumption (TDP) 140 Watt 405 Watt

RTX A4000 has 189.3% lower power consumption.

RX 7990 XTX, on the other hand, has a 50% higher maximum VRAM amount, and a 60% more advanced lithography process.

We couldn't decide between RTX A4000 and Radeon RX 7990 XTX. We've got no test results to judge.

Be aware that RTX A4000 is a workstation graphics 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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NVIDIA RTX A4000
RTX A4000
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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