AMD Radeon R9 390X vs AMD Radeon RX 6500 XT

Compare AMD Radeon R9 390X 8 GB vs AMD Radeon RX 6500 XT 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

65 points

3023 points

4550% significantly better overall score

Flux Core frame rate

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

25 FPS

64 FPS

39 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

23 FPS

46 FPS

23 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

30 FPS

56 FPS

26 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

14 FPS

26 FPS

12 FPS significantly higher Clouds frame rate

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

4254 points

4965 points

16% slightly higher 3DMark Graphics score

Specifications

Core Clock Speed

Nominal chip frequency

1050 MHz

2310 MHz

120% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1050 MHz

2815 MHz

168% significantly 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

700% significantly larger memory bus width

64 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

384 GB/s

166% significantly higher memory bandwidth

144 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

275 W

107 W

157% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

67.2 Gigapixels/s

90.1 Gigapixels/s

34% slightly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

184.8 Gigatexels/s

2% slightly higher texture rate

180.2 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

5.91 TFLOPS

2% slightly better floating point performance

5.77 TFLOPS

Shading Units

Number of processors dedicated to shader processing

2816

175% significantly more shading units

1024

Texture Mapping Units

Number of processors dedicated to applying textures

176

175% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

100% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

534th of 586

154th of 586

Family

The product line

Radeon R9 300 Series

Radeon RX 6000 Series

Release date

The official date of release of this chip

2015 June

2022 January

Memory Type

The type of memory used by this chip

GDDR5

GDDR6

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.5

4.6

Radeon R9 390X vs Radeon RX 6500 XT specs and performance

According to the hardwareDB Benchmark, the Radeon RX 6500 XT GPU is faster than the Radeon R9 390X in gaming.

Our database shows that the Radeon RX 6500 XT 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 6500 XT also has a significantly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

Furthermore, the spec sheet for both these GPUs show that the Radeon R9 390X 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 6500 XT has a significantly lower TDP at 107 W when compared to the Radeon R9 390X 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 RX 6500 XT over the Radeon R9 390X.