NVIDIA GeForce GTX 970 vs Intel Iris 540

Compare NVIDIA GeForce GTX 970 4 GB vs Intel Iris 540, 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

2262 points

961% significantly better overall score

213 points

Flux Core frame rate

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

47 FPS

41 FPS significantly higher Flux Core frame rate

6 FPS

Electron frame rate

Randomly generated noise sphere test

35 FPS

31 FPS significantly higher Electron frame rate

3 FPS

City frame rate

Procedurally generated city scene with voxel rendering

31 FPS

27 FPS significantly higher City frame rate

5 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

28 FPS

27 FPS significantly higher Clouds frame rate

1 FPS

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Other Benchmarks

Geekbench 5 (Metal) score

Metal compute benchmark

13595 points

123% significantly higher Geekbench 5 (Metal) score

6079 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

29153 points

366% significantly higher Geekbench 5 (OpenCL) score

6252 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

34107 points

409% significantly higher Geekbench 5 (Vulkan) score

6697 points

Geekbench 6 (Metal) score

Metal compute benchmark

13595 points

90% significantly higher Geekbench 6 (Metal) score

7143 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

29277 points

366% significantly higher Geekbench 6 (OpenCL) score

6277 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

32348 points

418% significantly higher Geekbench 6 (Vulkan) score

6234 points

Specifications

Core Clock Speed

Nominal chip frequency

1050 MHz

250% significantly higher core clock speed

300 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1178 MHz

17% slightly higher boost clock speed

1000 MHz

TDP

Thermal Design Power: Measure of heat generated by the GPU

145 W

15 W

866% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

65.97 Gigapixels/s

999% significantly higher pixel rate

6 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

122.5 Gigatexels/s

155% significantly higher texture rate

48 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

1664

333% significantly more shading units

384

Texture Mapping Units

Number of processors dedicated to applying textures

104

116% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

833% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

193rd of 586

422nd of 586

Release date

The official date of release of this chip

2014 September

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.5

4.6

GeForce GTX 970 vs Iris 540 specs and performance

According to the hardwareDB Benchmark, the GeForce GTX 970 GPU is faster than the Iris 540 in gaming.

The GeForce GTX 970 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 GeForce GTX 970 also has a slightly higher boost clock speed. The boost clock speed is the frequency that the GPU core can reach if the temperature is low enough. The allows for higher performance in certain scenarios.

In addition, the Iris 540 has a significantly lower TDP at 15 W when compared to the GeForce GTX 970 at 145 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 970 over the Iris 540.