AMD Radeon RX 550 vs NVIDIA GeForce GTX 660 Ti

Compare AMD Radeon RX 550 4 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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Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

621 points

1159 points

86% significantly better overall score

Flux Core frame rate

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

15 FPS

27 FPS

11 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

14 FPS

16 FPS

2 FPS slightly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

16 FPS

18 FPS

1 FPS slightly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

10 FPS

13 FPS

3 FPS significantly higher Clouds frame rate

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

1190 points

1634 points

37% slightly higher 3DMark Graphics score

Geekbench 5 (Metal) score

Metal compute benchmark

18838 points

182% significantly higher Geekbench 5 (Metal) score

6670 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

14002 points

14647 points

4% slightly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

15900 points

9% slightly higher Geekbench 5 (Vulkan) score

14555 points

Geekbench 6 (Metal) score

Metal compute benchmark

19855 points

197% significantly higher Geekbench 6 (Metal) score

6670 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

12342 points

15295 points

23% slightly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

16237 points

0.60% slightly higher Geekbench 6 (Vulkan) score

16140 points

Specifications

Core Clock Speed

Nominal chip frequency

1100 MHz

20% slightly higher core clock speed

915 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1183 MHz

20% slightly higher boost clock speed

980 MHz

Memory

Onboard memory size for textures and vertices

4 GiB

33% slightly 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

112 GB/s

144.2 GB/s

28% slightly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

50 W

200% significantly lower TDP

150 W

Pixel Rate

Number of pixels that can be rendered per second

18.93 Gigapixels/s

27.44 Gigapixels/s

44% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

37.86 Gigatexels/s

109.8 Gigatexels/s

190% significantly higher texture rate

Shading Units

Number of processors dedicated to shader processing

512

1344

162% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

112

250% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

49% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

305th of 586

254th of 586

Family

The product line

Radeon RX 500 Series

Release date

The official date of release of this chip

2017 April

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

11.0

OpenGL Support

Maximum version of OpenGL supported

4.5

Radeon RX 550 vs GeForce GTX 660 Ti specs and performance

For gaming, the GeForce GTX 660 Ti graphics card is better than the Radeon RX 550 in our tests.

The Radeon RX 550 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 550 also has a slightly 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 550 has slightly more memory with 4 GiB of memory compared to 3 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the Radeon RX 550 has a significantly lower TDP at 50 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.

According to the results of the hardwareDB benchmark utility, the GeForce GTX 660 Ti is faster than the Radeon RX 550.