AMD Radeon R7 M445 vs AMD Radeon R9 390

Compare AMD Radeon R7 M445 vs AMD Radeon R9 390 8 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

176 points

1919 points

990% significantly better overall score

Flux Core frame rate

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

4 FPS

44 FPS

40 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

3 FPS

28 FPS

26 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

4 FPS

39 FPS

35 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

1 FPS

15 FPS

14 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

5920 points

46328 points

682% significantly higher Geekbench 5 (OpenCL) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

5358 points

43704 points

715% significantly higher Geekbench 6 (OpenCL) score

Specifications

Core Clock Speed

Nominal chip frequency

780 MHz

1000 MHz

28% slightly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

920 MHz

1000 MHz

8% slightly higher boost clock speed

Memory Bus Width

Number of parallel lines to the memory chips

64 Bit

512 Bit

700% significantly larger memory bus width

Memory Bandwidth

Data transfer speed between GPU core and memory

32 GB/s

384 GB/s

1100% significantly higher memory bandwidth

Pixel Rate

Number of pixels that can be rendered per second

7.36 Gigapixels/s

64 Gigapixels/s

769% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

18.4 Gigatexels/s

160 Gigatexels/s

769% significantly higher texture rate

Shading Units

Number of processors dedicated to shader processing

320

2560

700% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

160

700% 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

447th of 586

215th of 586

Family

The product line

Radeon R9 300 Series

Release date

The official date of release of this chip

2016 May

2015 June

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

4.6

4.5

Radeon R7 M445 vs Radeon R9 390 benchmarks

In our benchmarks, the Radeon R9 390 beats the Radeon R7 M445 in gaming performance.

Our database shows that the Radeon R9 390 has a slightly 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 R9 390 also has a slightly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

In terms of raw gaming performance in our GPU benchmark, the Radeon R9 390 is better than the Radeon R7 M445.