NVIDIA GeForce GTX 1660 Ti vs AMD Radeon RX 6600 XT

Compare NVIDIA GeForce GTX 1660 Ti 6 GB vs AMD Radeon RX 6600 XT 8 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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AMD Radeon RX 6600 XT

Price

The cheapest price from our partner retailers

$ 174.97

$ 195.02 significantly less expensive

$ 369.99

Benchmark Score

Overall Score

General gaming and workstation score

3968 points

5600 points

41% slightly better overall score

Flux Core frame rate

Volumetric ray casting test, a computationally expensive method of rendering high-quality scenes

88 FPS

116 FPS

28 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

53 FPS

85 FPS

32 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

64 FPS

102 FPS

38 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

40 FPS

49 FPS

9 FPS slightly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

6332 points

9727 points

53% significantly higher 3DMark Graphics score

Blender score

Cycles Render (Samples per minute)

799.88 points

1068.60 points

33% slightly higher Blender score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

61373 points

82559 points

34% slightly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

53550 points

64460 points

20% slightly higher Geekbench 5 (Vulkan) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

65938 points

82739 points

25% slightly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

62004 points

93271 points

50% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

1500 MHz

1968 MHz

31% slightly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1770 MHz

2589 MHz

46% significantly higher boost clock speed

Memory

Onboard memory size for textures and vertices

6 GiB

8 GiB

33% slightly more memory

Memory Bus Width

Number of parallel lines to the memory chips

192 Bit

49% significantly larger memory bus width

128 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

288 GB/s

12% slightly higher memory bandwidth

256 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

120 W

33% slightly lower TDP

160 W

Pixel Rate

Number of pixels that can be rendered per second

84.96 Gigapixels/s

165.7 Gigapixels/s

95% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

169.9 Gigatexels/s

331.4 Gigatexels/s

95% significantly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

5.44 TFLOPS

10.6 TFLOPS

94% significantly better floating point performance

Shading Units

Number of processors dedicated to shader processing

1536

2048

33% slightly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

128

33% slightly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

33% slightly more render output processors

Other details

Rank

Ranking in the hardwareDB database

124th of 586

90th of 586

Family

The product line

Radeon RX 6000 Series

Release date

The official date of release of this chip

2019 February

2021 November

Memory Type

The type of memory used by this chip

GDDR6

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.6

GeForce GTX 1660 Ti vs Radeon RX 6600 XT comparison

In our benchmarks, the Radeon RX 6600 XT beats the GeForce GTX 1660 Ti in gaming performance.

In our comparison, the Radeon RX 6600 XT has a slightly higher core clock speed. The core clock speed (or base speed) is the frequency at which the GPU core runs. This metric makes sense when comparing GPUs of a similar architecture or generation. In addition, the Radeon RX 6600 XT also has a significantly higher boost clock speed. This is a frequency that can be reached if the GPU is cooled sufficiently and has enough power.

As stated by the manufacturer, the Radeon RX 6600 XT has slightly more memory with 8 GiB of memory compared to 6 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the GeForce GTX 1660 Ti has a slightly lower TDP at 120 W when compared to the Radeon RX 6600 XT at 160 W. Heat output doesn't match power consumption directly but, it's a good estimate.

In conclusion, all specs and GPU benchmarks considered, will recommend the Radeon RX 6600 XT over the GeForce GTX 1660 Ti.