RTX A4000 Max-Q vs Radeon RX 6900 XT

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Primary details

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

Place in the ranking22not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation29.88no data
Power efficiency16.14no data
ArchitectureRDNA 2.0 (2020−2024)Ampere (2020−2024)
GPU code nameNavi 21GA104
Market segmentDesktopMobile workstation
Release date28 October 2020 (4 years ago)12 April 2021 (3 years ago)
Launch price (MSRP)$999 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores51205120
Core clock speed1825 MHz780 MHz
Boost clock speed2250 MHz1395 MHz
Number of transistors26,800 million17,400 million
Manufacturing process technology7 nm8 nm
Power consumption (TDP)300 Watt80 Watt
Texture fill rate720.0223.2
Floating-point processing power23.04 TFLOPS14.28 TFLOPS
ROPs12880
TMUs320160
Tensor Coresno data160
Ray Tracing Cores8040

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
Length267 mmno data
Width3-slotno data
Supplementary power connectors2x 8-pinNone

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 GB8 GB
Memory bus width256 Bit256 Bit
Memory clock speed2000 MHz1375 MHz
Memory bandwidth512.0 GB/s352.0 GB/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 Connectors1x HDMI, 2x DisplayPort, 1x USB Type-CPortable Device Dependent
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 Model6.56.7
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.21.3
CUDA-8.6

Pros & cons summary


Recency 28 October 2020 12 April 2021
Maximum RAM amount 16 GB 8 GB
Chip lithography 7 nm 8 nm
Power consumption (TDP) 300 Watt 80 Watt

RX 6900 XT has a 100% higher maximum VRAM amount, and a 14.3% more advanced lithography process.

RTX A4000 Max-Q, on the other hand, has an age advantage of 5 months, and 275% lower power consumption.

We couldn't decide between Radeon RX 6900 XT and RTX A4000 Max-Q. We've got no test results to judge.

Be aware that Radeon RX 6900 XT is a desktop card while RTX A4000 Max-Q is a mobile workstation 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 6900 XT
Radeon RX 6900 XT
NVIDIA RTX A4000 Max-Q
RTX A4000 Max-Q

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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