RTX 4000 Ada Generation vs Radeon RX 6900 XTX

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Primary details

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

Place in the rankingnot rated29
Place by popularitynot in top-100not in top-100
Power efficiencyno data33.67
ArchitectureRDNA 2.0 (2020−2024)Ada Lovelace (2022−2024)
GPU code nameNavi 21AD104
Market segmentDesktopWorkstation
Release date28 October 2020 (4 years ago)9 August 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 cores51206144
Core clock speed2075 MHz1500 MHz
Boost clock speed2435 MHz2175 MHz
Number of transistors26,800 million35,800 million
Manufacturing process technology7 nm5 nm
Power consumption (TDP)330 Watt130 Watt
Texture fill rate779.2417.6
Floating-point processing power24.93 TFLOPS26.73 TFLOPS
ROPs12880
TMUs320192
Tensor Coresno data192
Ray Tracing Cores8048

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 mm245 mm
Width2-slot1-slot
Supplementary power connectors2x 8-pin1x 16-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 GB20 GB
Memory bus width256 Bit160 Bit
Memory clock speed2250 MHz2250 MHz
Memory bandwidth576.0 GB/s360.0 GB/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 Connectors1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C4x DisplayPort 1.4a
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 Model6.76.8
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.31.3
CUDA-8.9

Pros & cons summary


Recency 28 October 2020 9 August 2023
Maximum RAM amount 16 GB 20 GB
Chip lithography 7 nm 5 nm
Power consumption (TDP) 330 Watt 130 Watt

RTX 4000 Ada Generation has an age advantage of 2 years, a 25% higher maximum VRAM amount, a 40% more advanced lithography process, and 153.8% lower power consumption.

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

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

Comparisons with similar GPUs

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Community ratings

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3.2 128 votes

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