Quadro RTX 4000 Max-Q vs ATI Radeon X1900 XT

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Primary details

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

Place in the rankingnot rated168
Place by popularitynot in top-100not in top-100
Power efficiencyno data27.79
ArchitectureR500 (2005−2007)Turing (2018−2022)
GPU code nameR580TU104
Market segmentDesktopMobile workstation
Release date24 January 2006 (18 years ago)27 May 2019 (5 years ago)
Launch price (MSRP)$299 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 coresno data2560
Core clock speed625 MHz780 MHz
Boost clock speedno data1380 MHz
Number of transistors384 million13,600 million
Manufacturing process technology90 nm12 nm
Power consumption (TDP)100 Watt80 Watt
Texture fill rate10.00220.8
Floating-point processing powerno data7.066 TFLOPS
ROPs1664
TMUs16160
Tensor Coresno data320
Ray Tracing Coresno data40

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 1.0 x16PCIe 3.0 x16
Length242 mmno data
Width2-slotno data
Supplementary power connectors1x 6-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 typeGDDR3GDDR6
Maximum RAM amount256 MB8 GB
Memory bus width256 Bit256 Bit
Memory clock speed725 MHz1625 MHz
Memory bandwidth46.4 GB/s416.0 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 Connectors2x DVI, 1x S-VideoNo outputs
G-SYNC support-+

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

VR Readyno data+

API compatibility

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

DirectX9.0c (9_3)12 Ultimate (12_1)
Shader Model3.06.5
OpenGL2.1 (full) 3.0 (partial)4.6
OpenCLN/A1.2
VulkanN/A1.2.131
CUDA-7.5

Pros & cons summary


Recency 24 January 2006 27 May 2019
Maximum RAM amount 256 MB 8 GB
Chip lithography 90 nm 12 nm
Power consumption (TDP) 100 Watt 80 Watt

RTX 4000 Max-Q has an age advantage of 13 years, a 3100% higher maximum VRAM amount, a 650% more advanced lithography process, and 25% lower power consumption.

We couldn't decide between Radeon X1900 XT and Quadro RTX 4000 Max-Q. We've got no test results to judge.

Be aware that Radeon X1900 XT is a desktop card while Quadro RTX 4000 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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ATI Radeon X1900 XT
Radeon X1900 XT
NVIDIA Quadro RTX 4000 Max-Q
Quadro RTX 4000 Max-Q

Comparisons with similar GPUs

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Community ratings

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2.2 29 votes

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4 22 votes

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Questions & comments

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