Intel UHD 620 vs NVIDIA GeForce GTX 660

Compare Intel UHD 620 vs NVIDIA GeForce GTX 660 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

269 points

816 points

203% significantly better overall score

Flux Core frame rate

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

6 FPS

18 FPS

13 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

6 FPS

11 FPS

5 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

6 FPS

13 FPS

6 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

4 FPS

9 FPS

5 FPS significantly higher Clouds frame rate

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

362 points

1317 points

263% significantly higher 3DMark Graphics score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

4848 points

11381 points

134% significantly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

4983 points

10693 points

114% significantly higher Geekbench 5 (Vulkan) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

4591 points

11353 points

147% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

4994 points

11858 points

137% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

300 MHz

980 MHz

226% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1000 MHz

1032 MHz

3% slightly higher boost clock speed

TDP

Thermal Design Power: Measure of heat generated by the GPU

15 W

833% significantly lower TDP

140 W

Pixel Rate

Number of pixels that can be rendered per second

3 Gigapixels/s

20.64 Gigapixels/s

588% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

24 Gigatexels/s

82.56 Gigatexels/s

243% significantly higher texture rate

Shading Units

Number of processors dedicated to shader processing

192

960

400% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

233% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

700% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

392nd of 586

276th of 586

Release date

The official date of release of this chip

2018 August

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

4.6

4.5

UHD 620 vs GeForce GTX 660 comparison

According to the hardwareDB Benchmark, the GeForce GTX 660 GPU is faster than the UHD 620 in gaming.

The GeForce GTX 660 has a significantly higher core clock speed. This is the frequency at which the graphics core is running at. While not necessarily an indicator of overall performance, this metric can be useful when comparing two GPUs based on the same architecture. In addition, the GeForce GTX 660 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.

In addition, the UHD 620 has a significantly lower TDP at 15 W when compared to the GeForce GTX 660 at 140 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 GeForce GTX 660 over the UHD 620.