AMD Radeon R9 390 vs NVIDIA GeForce GTX 770M

Compare AMD Radeon R9 390 8 GB vs NVIDIA GeForce GTX 770M 3 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

269% significantly better overall score

519 points

Flux Core frame rate

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

44 FPS

30 FPS significantly higher Flux Core frame rate

14 FPS

Electron frame rate

Randomly generated noise sphere test

28 FPS

22 FPS significantly higher Electron frame rate

7 FPS

City frame rate

Procedurally generated city scene with voxel rendering

39 FPS

30 FPS significantly higher City frame rate

9 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

15 FPS

9 FPS significantly higher Clouds frame rate

7 FPS

Free GPU Benchmark

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

46328 points

603% significantly higher Geekbench 5 (OpenCL) score

6585 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

43704 points

410% significantly higher Geekbench 6 (OpenCL) score

8556 points

Specifications

Core Clock Speed

Nominal chip frequency

1000 MHz

25% slightly higher core clock speed

797 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1000 MHz

25% slightly higher boost clock speed

797 MHz

Memory

Onboard memory size for textures and vertices

8 GiB

166% significantly more memory

3 GiB

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

299% significantly higher memory bandwidth

96.19 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

301% significantly higher pixel rate

15.94 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

160 Gigatexels/s

150% significantly higher texture rate

63.76 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

5.12 TFLOPS

234% significantly better floating point performance

1.53 TFLOPS

Shading Units

Number of processors dedicated to shader processing

2560

166% significantly more shading units

960

Texture Mapping Units

Number of processors dedicated to applying textures

160

100% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

166% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

215th of 586

324th of 586

Family

The product line

Radeon R9 300 Series

Release date

The official date of release of this chip

2015 June

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 770M comparison

According to the hardwareDB Benchmark, the Radeon R9 390 GPU is faster than the GeForce GTX 770M in gaming.

In our comparison, the Radeon R9 390 has a slightly 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 R9 390 also has a slightly 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.

Next up, in terms of GPU memory, the Radeon R9 390 has significantly more memory with 8 GiB of memory compared to 3 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the GeForce GTX 770M 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 terms of raw gaming performance in our GPU benchmark, the Radeon R9 390 is better than the GeForce GTX 770M.