AMD Radeon R9 390 vs AMD Radeon RX 7700 XT

Compare AMD Radeon R9 390 8 GB vs AMD Radeon RX 7700 XT 12 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

12665 points

559% significantly better overall score

Flux Core frame rate

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

44 FPS

267 FPS

223 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

28 FPS

178 FPS

149 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

39 FPS

245 FPS

206 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

15 FPS

104 FPS

88 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

3950 points

19% slightly higher 3DMark Graphics score

3316 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

43704 points

127642 points

192% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

51251 points

142477 points

177% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

1000 MHz

1800 MHz

79% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1000 MHz

2544 MHz

154% significantly higher boost clock speed

Memory

Onboard memory size for textures and vertices

8 GiB

12 GiB

49% significantly more memory

Memory Bus Width

Number of parallel lines to the memory chips

512 Bit

166% significantly larger memory bus width

192 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

384 GB/s

432 GB/s

12% slightly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

275 W

245 W

12% slightly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

64 Gigapixels/s

244 Gigapixels/s

281% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

160 Gigatexels/s

550 Gigatexels/s

243% significantly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

5.12 TFLOPS

18.02 TFLOPS

251% significantly better floating point performance

Shading Units

Number of processors dedicated to shader processing

2560

4096

60% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

160

216

35% slightly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

49% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

215th of 586

29th of 586

Family

The product line

Radeon R9 300 Series

Radeon RX 7000 Series

Release date

The official date of release of this chip

2015 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 7700 XT specs and performance

For gaming, the Radeon RX 7700 XT graphics card is better than the Radeon R9 390 in our tests.

Our database shows that the Radeon RX 7700 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 7700 XT also has a significantly higher boost clock speed. The boost clock speed is the frequency that the GPU core can reach if the temperature is low enough. The allows for higher performance in certain scenarios.

Furthermore, the spec sheet for both these GPUs show that the Radeon RX 7700 XT has significantly more memory with 12 GiB of memory compared to 8 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the Radeon RX 7700 XT has a slightly lower TDP at 245 W when compared to the Radeon R9 390 at 275 W. TDP (Thermal Design Power) measures total heat output from the chip.

According to the results of the hardwareDB benchmark utility, the Radeon RX 7700 XT is faster than the Radeon R9 390.