RTX 4000 Ada Generation Mobile vs Radeon RX 6900 XTX

Primary details

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

Place in the rankingnot rated33
Place by popularitynot in top-100not in top-100
Power efficiencyno data27.59
ArchitectureRDNA 2.0 (2020−2024)Ada Lovelace (2022−2024)
GPU code nameNavi 21no data
Market segmentDesktopLaptop
Release date28 October 2020 (4 years ago)21 March 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 cores51207424
Core clock speed2075 MHzno data
Boost clock speed2435 MHzno data
Number of transistors26,800 millionno data
Manufacturing process technology7 nm5 nm
Power consumption (TDP)330 Watt150 Watt (60 - 150 Watt TGP)
Texture fill rate779.2no data
Floating-point processing power24.93 TFLOPSno data
ROPs128no data
TMUs320no data
Ray Tracing Cores80no data

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).

Laptop sizeno datalarge
InterfacePCIe 4.0 x16no data
Length267 mmno data
Width2-slotno data
Supplementary power connectors2x 8-pinno data

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 GB12 GB
Memory bus width256 Bit192 Bit
Memory clock speed2250 MHz16000 MHz
Memory bandwidth576.0 GB/sno data
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 2.1, 2x DisplayPort 1.4a, 1x USB Type-Cno data
HDMI+-

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate
Shader Model6.7no data
OpenGL4.6no data
OpenCL2.1no data
Vulkan1.3-

Pros & cons summary


Recency 28 October 2020 21 March 2023
Maximum RAM amount 16 GB 12 GB
Chip lithography 7 nm 5 nm
Power consumption (TDP) 330 Watt 150 Watt

RX 6900 XTX has a 33.3% higher maximum VRAM amount.

RTX 4000 Ada Generation Mobile, on the other hand, has an age advantage of 2 years, a 40% more advanced lithography process, and 120% lower power consumption.

We couldn't decide between Radeon RX 6900 XTX and RTX 4000 Ada Generation Mobile. We've got no test results to judge.

Be aware that Radeon RX 6900 XTX is a desktop card while RTX 4000 Ada Generation Mobile is a notebook 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 XTX
Radeon RX 6900 XTX
NVIDIA RTX 4000 Ada Generation Mobile
RTX 4000 Ada Generation Mobile

Comparisons with similar GPUs

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Community ratings

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