AMD Radeon RX 6600 vs NVIDIA GeForce GTX 660 Ti

Compare AMD Radeon RX 6600 8 GB vs NVIDIA GeForce GTX 660 Ti 3 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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Benchmark Score

Overall Score

General gaming and workstation score

4302 points

271% significantly better overall score

1159 points

Flux Core frame rate

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

86 FPS

60 FPS significantly higher Flux Core frame rate

27 FPS

Electron frame rate

Randomly generated noise sphere test

65 FPS

49 FPS significantly higher Electron frame rate

16 FPS

City frame rate

Procedurally generated city scene with voxel rendering

78 FPS

60 FPS significantly higher City frame rate

18 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

37 FPS

24 FPS significantly higher Clouds frame rate

13 FPS

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

8131 points

397% significantly higher 3DMark Graphics score

1634 points

Blender score

Cycles Render (Samples per minute)

969.87 points

543% significantly higher Blender score

150.80 points

Geekbench 5 (Metal) score

Metal compute benchmark

75685 points

1034% significantly higher Geekbench 5 (Metal) score

6670 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

76157 points

419% significantly higher Geekbench 5 (OpenCL) score

14647 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

61842 points

324% significantly higher Geekbench 5 (Vulkan) score

14555 points

Geekbench 6 (Metal) score

Metal compute benchmark

100044 points

1399% significantly higher Geekbench 6 (Metal) score

6670 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

73158 points

378% significantly higher Geekbench 6 (OpenCL) score

15295 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

86589 points

436% significantly higher Geekbench 6 (Vulkan) score

16140 points

Specifications

Core Clock Speed

Nominal chip frequency

1626 MHz

77% significantly higher core clock speed

915 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

2491 MHz

154% significantly higher boost clock speed

980 MHz

Memory

Onboard memory size for textures and vertices

8 GiB

166% significantly more memory

3 GiB

Memory Bus Width

Number of parallel lines to the memory chips

128 Bit

192 Bit

49% significantly larger memory bus width

Memory Bandwidth

Data transfer speed between GPU core and memory

224 GB/s

55% significantly higher memory bandwidth

144.2 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

132 W

13% slightly lower TDP

150 W

Pixel Rate

Number of pixels that can be rendered per second

159.4 Gigapixels/s

480% significantly higher pixel rate

27.44 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

279 Gigatexels/s

154% significantly higher texture rate

109.8 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

8.93 TFLOPS

239% significantly better floating point performance

2.63 TFLOPS

Shading Units

Number of processors dedicated to shader processing

1792

33% slightly more shading units

1344

Texture Mapping Units

Number of processors dedicated to applying textures

112

Identical

112

Render Output Processors

Number of processors dedicated to final pixel rendering

166% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

118th of 586

253rd of 586

Family

The product line

Radeon RX 6000 Series

Release date

The official date of release of this chip

2021 October

Memory Type

The type of memory used by this chip

GDDR6

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

11.0

OpenGL Support

Maximum version of OpenGL supported

4.6

4.5

Radeon RX 6600 vs GeForce GTX 660 Ti specs and performance

According to the hardwareDB Benchmark, the Radeon RX 6600 GPU is faster than the GeForce GTX 660 Ti in gaming.

The Radeon RX 6600 has a significantly 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 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.

Next up, in terms of GPU memory, the Radeon RX 6600 has significantly more memory with 8 GiB of memory compared to 3 GiB. If you're planning at playing games at high resolutions with high-quality textures, you will need a lot of memory.

In addition, the Radeon RX 6600 has a slightly lower TDP at 132 W when compared to the GeForce GTX 660 Ti at 150 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 over the GeForce GTX 660 Ti.