AMD Radeon R9 390 vs AMD Radeon RX 6700

Compare AMD Radeon R9 390 8 GB vs AMD Radeon RX 6700 10 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

5776 points

200% significantly better overall score

Flux Core frame rate

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

44 FPS

116 FPS

71 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

28 FPS

87 FPS

58 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

39 FPS

103 FPS

64 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

15 FPS

50 FPS

34 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

3950 points

96% significantly higher 3DMark Graphics score

2007 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

43704 points

92543 points

111% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

51251 points

107859 points

110% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

1000 MHz

1941 MHz

94% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1000 MHz

2450 MHz

145% significantly higher boost clock speed

Memory

Onboard memory size for textures and vertices

8 GiB

10 GiB

25% slightly more memory

Memory Bus Width

Number of parallel lines to the memory chips

512 Bit

220% significantly larger memory bus width

160 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

384 GB/s

20% slightly higher memory bandwidth

320 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

275 W

175 W

57% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

64 Gigapixels/s

156.8 Gigapixels/s

145% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

160 Gigatexels/s

352.8 Gigatexels/s

120% significantly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

5.12 TFLOPS

11.29 TFLOPS

120% significantly better floating point performance

Shading Units

Number of processors dedicated to shader processing

2560

11% slightly more shading units

2304

Texture Mapping Units

Number of processors dedicated to applying textures

160

11% slightly more texture mapping units

144

Render Output Processors

Number of processors dedicated to final pixel rendering

Identical

Other details

Rank

Ranking in the hardwareDB database

215th of 586

86th 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

2021 June

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 390 vs Radeon RX 6700 benchmarks

In our benchmarks, the Radeon RX 6700 beats the Radeon R9 390 in gaming performance.

The Radeon RX 6700 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 6700 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 RX 6700 has slightly more memory with 10 GiB of memory compared to 8 GiB. Lots of memory is good when playing at high resolutions or with many monitors.

In addition, the Radeon RX 6700 has a significantly lower TDP at 175 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 terms of raw gaming performance in our GPU benchmark, the Radeon RX 6700 is better than the Radeon R9 390.