NVIDIA GeForce GTX 660M vs Intel Iris Xe

Compare NVIDIA GeForce GTX 660M 2 GB vs Intel Iris Xe, 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

223 points

974 points

336% significantly better overall score

Flux Core frame rate

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

5 FPS

24 FPS

18 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

3 FPS

14 FPS

12 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

3 FPS

15 FPS

12 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

2 FPS

10 FPS

8 FPS significantly higher Clouds frame rate

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

3649 points

14184 points

288% significantly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

3524 points

14105 points

300% significantly higher Geekbench 5 (Vulkan) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

3991 points

11957 points

199% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

3524 points

16575 points

370% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

950 MHz

216% significantly higher core clock speed

300 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

950 MHz

1100 MHz

15% slightly higher boost clock speed

TDP

Thermal Design Power: Measure of heat generated by the GPU

50 W

15 W

233% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

7.6 Gigapixels/s

13.2 Gigapixels/s

73% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

30.4 Gigatexels/s

15% slightly higher texture rate

26.4 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

384

Identical

384

Texture Mapping Units

Number of processors dedicated to applying textures

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

412th of 586

267th of 586

Release date

The official date of release of this chip

2012 March

2020 September

Memory Type

The type of memory used by this chip

GDDR5

DDR4

DirectX Support

Maximum version of DirectX supported

11.2

12.0

OpenGL Support

Maximum version of OpenGL supported

4.5

4.6

GeForce GTX 660M vs Iris Xe benchmarks

In our benchmarks, the Iris Xe beats the GeForce GTX 660M in gaming performance.

Our database shows that the GeForce GTX 660M 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. Despite this, the Iris Xe has a slightly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

In addition, the Iris Xe has a significantly lower TDP at 15 W when compared to the GeForce GTX 660M at 50 W. TDP (Thermal Design Power) measures total heat output from the chip.

In conclusion, all specs and GPU benchmarks considered, will recommend the Iris Xe over the GeForce GTX 660M.