AMD Radeon R9 390 vs AMD Radeon RX 460

Compare AMD Radeon R9 390 8 GB vs AMD Radeon RX 460 4 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

1919 points

135% significantly better overall score

816 points

Flux Core frame rate

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

44 FPS

26 FPS significantly higher Flux Core frame rate

18 FPS

Electron frame rate

Randomly generated noise sphere test

28 FPS

16 FPS significantly higher Electron frame rate

12 FPS

City frame rate

Procedurally generated city scene with voxel rendering

39 FPS

22 FPS significantly higher City frame rate

17 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

15 FPS

9 FPS significantly higher Clouds frame rate

6 FPS

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

3950 points

123% significantly higher 3DMark Graphics score

1768 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

46328 points

112% significantly higher Geekbench 5 (OpenCL) score

21824 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

49594 points

143% significantly higher Geekbench 5 (Vulkan) score

20340 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

43704 points

139% significantly higher Geekbench 6 (OpenCL) score

18277 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

51251 points

113% significantly higher Geekbench 6 (Vulkan) score

24052 points

Specifications

Core Clock Speed

Nominal chip frequency

1000 MHz

1090 MHz

9% slightly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1000 MHz

1200 MHz

20% slightly higher boost clock speed

Memory

Onboard memory size for textures and vertices

8 GiB

100% significantly more memory

4 GiB

Memory Bus Width

Number of parallel lines to the memory chips

512 Bit

300% significantly larger memory bus width

128 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

384 GB/s

242% significantly higher memory bandwidth

112 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

275 W

75 W

266% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

64 Gigapixels/s

233% significantly higher pixel rate

19.2 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

160 Gigatexels/s

138% significantly higher texture rate

67.2 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

5.12 TFLOPS

138% significantly better floating point performance

2.15 TFLOPS

Shading Units

Number of processors dedicated to shader processing

2560

185% significantly more shading units

896

Texture Mapping Units

Number of processors dedicated to applying textures

160

185% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

300% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

215th of 586

277th of 586

Family

The product line

Radeon R9 300 Series

Radeon RX 400 Series

Release date

The official date of release of this chip

2015 June

2016 August

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 RX 460 comparison

According to the hardwareDB Benchmark, the Radeon R9 390 GPU is faster than the Radeon RX 460 in gaming.

The Radeon RX 460 has a slightly 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 Radeon RX 460 also has a slightly higher boost clock speed. This is a frequency that can be reached if the GPU is cooled sufficiently and has enough power.

Next up, in terms of GPU memory, the Radeon R9 390 has significantly more memory with 8 GiB of memory compared to 4 GiB. Lots of memory is good when playing at high resolutions or with many monitors.

In addition, the Radeon RX 460 has a significantly lower TDP at 75 W when compared to the Radeon R9 390 at 275 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 conclusion, all specs and GPU benchmarks considered, will recommend the Radeon R9 390 over the Radeon RX 460.