Intel Iris Plus 655 vs AMD Radeon RX 7900 XTX

Compare Intel Iris Plus 655 vs AMD Radeon RX 7900 XTX 24 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

278 points

24895 points

8855% significantly better overall score

Flux Core frame rate

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

7 FPS

529 FPS

521 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

4 FPS

351 FPS

346 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

5 FPS

477 FPS

473 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

2 FPS

207 FPS

205 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

7380 points

212685 points

2781% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

8354 points

238996 points

2760% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

300 MHz

1855 MHz

518% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1050 MHz

2500 MHz

138% significantly higher boost clock speed

TDP

Thermal Design Power: Measure of heat generated by the GPU

15 W

2266% significantly lower TDP

355 W

Pixel Rate

Number of pixels that can be rendered per second

6.3 Gigapixels/s

480 Gigapixels/s

7519% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

50.4 Gigatexels/s

960 Gigatexels/s

1804% significantly higher texture rate

Shading Units

Number of processors dedicated to shader processing

384

6144

1500% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

384

700% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

192

3100% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

388th of 586

3rd of 586

Family

The product line

Radeon RX 7000 Series

Release date

The official date of release of this chip

2018 April

2022 December

Memory Type

The type of memory used by this chip

GDDR6

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.6

Iris Plus 655 vs Radeon RX 7900 XTX benchmarks

In our benchmarks, the Radeon RX 7900 XTX beats the Iris Plus 655 in gaming performance.

In our comparison, the Radeon RX 7900 XTX 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 Radeon RX 7900 XTX also has a significantly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

In addition, the Iris Plus 655 has a significantly lower TDP at 15 W when compared to the Radeon RX 7900 XTX at 355 W. This is not a measure of performance, but rather the amount of heat generated by the chip when running at its highest speed.

In terms of raw gaming performance in our GPU benchmark, the Radeon RX 7900 XTX is better than the Iris Plus 655.