GeForce GTX 1660 Ti Mobile Refresh 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 ranking23not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation29.88no data
Power efficiency15.86no data
ArchitectureRDNA 2.0 (2020−2024)Turing (2018−2022)
GPU code nameNavi 21TU116B
Market segmentDesktopLaptop
Release date28 October 2020 (4 years ago)15 May 2019 (5 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 cores51201536
Core clock speed1825 MHz1455 MHz
Boost clock speed2250 MHz1590 MHz
Number of transistors26,800 million6,600 million
Manufacturing process technology7 nm12 nm
Power consumption (TDP)300 Wattno data
Texture fill rate720.0152.6
Floating-point processing power23.04 TFLOPS4.884 TFLOPS
ROPs12848
TMUs32096
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).

InterfacePCIe 4.0 x16PCIe 3.0 x16
Length267 mmno data
Width3-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 GB6 GB
Memory bus width256 Bit192 Bit
Memory clock speed2000 MHz2000 MHz
Memory bandwidth512.0 GB/s384.0 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-C1x DVI, 1x HDMI, 3x DisplayPort
HDMI++

API compatibility

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

DirectX12 Ultimate (12_2)12 (12_1)
Shader Model6.56.5
OpenGL4.64.6
OpenCL2.11.2
Vulkan1.21.2
CUDA-7.5

Pros & cons summary


Recency 28 October 2020 15 May 2019
Maximum RAM amount 16 GB 6 GB
Chip lithography 7 nm 12 nm

RX 6900 XT has an age advantage of 1 year, a 166.7% higher maximum VRAM amount, and a 71.4% more advanced lithography process.

We couldn't decide between Radeon RX 6900 XT and GeForce GTX 1660 Ti Mobile Refresh. We've got no test results to judge.

Be aware that Radeon RX 6900 XT is a desktop card while GeForce GTX 1660 Ti Mobile Refresh 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 XT
Radeon RX 6900 XT
NVIDIA GeForce GTX 1660 Ti Mobile Refresh
GeForce GTX 1660 Ti Mobile Refresh

Comparisons with similar GPUs

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Community ratings

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4 3764 votes

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Questions & comments

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