Intel Iris Plus 640 vs AMD Radeon HD 8790M

Compare Intel Iris Plus 640 0 GB vs AMD Radeon HD 8790M 2 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

Benchmark Score
Other Benchmarks
Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

287 points

523% significantly better overall score

46 points

Flux Core frame rate

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

9 FPS

7 FPS significantly higher Flux Core frame rate

2 FPS

Electron frame rate

Randomly generated noise sphere test

4 FPS

4 FPS significantly higher Electron frame rate

0 FPS

City frame rate

Procedurally generated city scene with voxel rendering

7 FPS

6 FPS significantly higher City frame rate

1 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

2 FPS

2 FPS significantly higher Clouds frame rate

0 FPS

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

6601 points

7019 points

6% slightly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

6827 points

7602 points

11% slightly higher Geekbench 5 (Vulkan) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

6639 points

40% slightly higher Geekbench 6 (OpenCL) score

4741 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

6920 points

0.36% slightly higher Geekbench 6 (Vulkan) score

6895 points

Specifications

Core Clock Speed

Nominal chip frequency

300 MHz

850 MHz

183% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1100 MHz

29% slightly higher boost clock speed

850 MHz

Memory

Onboard memory size for textures and vertices

0.5 GiB

2 GiB

300% significantly more memory

Pixel Rate

Number of pixels that can be rendered per second

6.6 Gigapixels/s

7.2 Gigapixels/s

9% slightly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

52.8 Gigatexels/s

144% significantly higher texture rate

21.6 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

384

Identical

384

Texture Mapping Units

Number of processors dedicated to applying textures

100% significantly 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

384th of 586

544th of 586

Family

The product line

Radeon HD 8000M Series

Release date

The official date of release of this chip

2017 January

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

11.1

OpenGL Support

Maximum version of OpenGL supported

4.4

Iris Plus 640 vs Radeon HD 8790M comparison

In our benchmarks, the Iris Plus 640 beats the Radeon HD 8790M in gaming performance.

In our comparison, the Radeon HD 8790M 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 Plus 640 has a slightly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

As stated by the manufacturer, the Radeon HD 8790M has significantly more memory with 2 GiB of memory compared to 0.5 GiB. If you're planning at playing games at high resolutions with high-quality textures, you will need a lot of memory.

In terms of raw gaming performance in our GPU benchmark, the Iris Plus 640 is better than the Radeon HD 8790M.