AMD Radeon R9 390 vs NVIDIA GeForce GTX 780

Compare AMD Radeon R9 390 8 GB vs NVIDIA GeForce GTX 780 6 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

6% slightly better overall score

1799 points

Flux Core frame rate

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

44 FPS

8 FPS slightly higher Flux Core frame rate

37 FPS

Electron frame rate

Randomly generated noise sphere test

28 FPS

3 FPS slightly higher Electron frame rate

26 FPS

City frame rate

Procedurally generated city scene with voxel rendering

39 FPS

13 FPS significantly higher City frame rate

26 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

15 FPS

22 FPS

6 FPS significantly higher Clouds frame rate

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

3950 points

39% slightly higher 3DMark Graphics score

2833 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

46328 points

120% significantly higher Geekbench 5 (OpenCL) score

21004 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

49594 points

126% significantly higher Geekbench 5 (Vulkan) score

21940 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

43704 points

87% significantly higher Geekbench 6 (OpenCL) score

23273 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

51251 points

106% significantly higher Geekbench 6 (Vulkan) score

24865 points

Specifications

Core Clock Speed

Nominal chip frequency

1000 MHz

15% slightly higher core clock speed

863 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1000 MHz

10% slightly higher boost clock speed

902 MHz

Memory

Onboard memory size for textures and vertices

8 GiB

33% slightly more memory

6 GiB

Memory Bus Width

Number of parallel lines to the memory chips

512 Bit

33% slightly larger memory bus width

384 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

384 GB/s

33% slightly higher memory bandwidth

288.4 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

275 W

250 W

10% slightly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

64 Gigapixels/s

47% significantly higher pixel rate

43.3 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

160 Gigatexels/s

173.2 Gigatexels/s

8% slightly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

5.12 TFLOPS

23% slightly better floating point performance

4.16 TFLOPS

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

192

20% slightly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

33% slightly more render output processors

Other details

Rank

Ranking in the hardwareDB database

215th of 586

221st of 586

Family

The product line

Radeon R9 300 Series

Release date

The official date of release of this chip

2015 June

2013 May

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

11.0

OpenGL Support

Maximum version of OpenGL supported

4.5

Radeon R9 390 vs GeForce GTX 780 comparison

In our benchmarks, the Radeon R9 390 beats the GeForce GTX 780 in gaming performance.

The Radeon R9 390 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 R9 390 also has a slightly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

Next up, in terms of GPU memory, the Radeon R9 390 has slightly more memory with 8 GiB of memory compared to 6 GiB. Lots of memory is good when playing at high resolutions or with many monitors.

In addition, the GeForce GTX 780 has a slightly lower TDP at 250 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 GeForce GTX 780.