AMD Radeon R9 390 vs AMD Radeon HD 6870

Compare AMD Radeon R9 390 8 GB vs AMD Radeon HD 6870 1 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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Benchmark Score

Overall Score

General gaming and workstation score

1919 points
263% significantly better overall score
528 points

Flux Core frame rate

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

44 FPS
32 FPS significantly higher Flux Core frame rate
13 FPS

Electron frame rate

Randomly generated noise sphere test

28 FPS
18 FPS significantly higher Electron frame rate
11 FPS

City frame rate

Procedurally generated city scene with voxel rendering

39 FPS
31 FPS significantly higher City frame rate
8 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

15 FPS
12 FPS significantly higher Clouds frame rate
4 FPS

Free GPU Benchmark

Want to compare your graphics card against the Radeon R9 390 and the Radeon HD 6870? Download our free and quick PC Performance Test.

Other Benchmarks

Geekbench 5 (OpenCL) score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

46328 points
835% significantly higher Geekbench 5 (OpenCL) score
4950 points
Geekbench 6 (OpenCL) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

43704 points
782% significantly higher Geekbench 6 (OpenCL) score
4950 points

Specifications

Boost Clock Speed

Higher turbo frequency when power conditions are met

1000 MHz
11% slightly higher boost clock speed
900 MHz

Memory

Onboard memory size for textures and vertices

8 GiB
700% significantly more memory
1 GiB

Other details

Rank

Ranking in the hardwareDB database

215th of 586
322nd of 586

Family

The product line

Radeon R9 300 Series
Radeon HD 6000 Series

Release date

The official date of release of this chip

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

4.5
-

Radeon R9 390 vs Radeon HD 6870 specs and performance

For gaming, the Radeon R9 390 graphics card is better than the Radeon HD 6870 in our tests.

As stated by the manufacturer, the Radeon R9 390 has significantly more memory with 8 GiB of memory compared to 1 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 Radeon R9 390 is better than the Radeon HD 6870.

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