AMD Radeon R9 280X vs AMD Radeon R9 380

Compare AMD Radeon R9 280X 3 GB vs AMD Radeon R9 380 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

1687 points

31% slightly better overall score

1280 points

Flux Core frame rate

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

40 FPS

11 FPS significantly higher Flux Core frame rate

29 FPS

Electron frame rate

Randomly generated noise sphere test

25 FPS

6 FPS significantly higher Electron frame rate

19 FPS

City frame rate

Procedurally generated city scene with voxel rendering

35 FPS

9 FPS significantly higher City frame rate

26 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

14 FPS

4 FPS significantly higher Clouds frame rate

10 FPS

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

2350 points

2801 points

19% slightly higher 3DMark Graphics score

Specifications

Core Clock Speed

Nominal chip frequency

850 MHz

970 MHz

14% slightly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1000 MHz

3% slightly higher boost clock speed

970 MHz

Memory

Onboard memory size for textures and vertices

3 GiB

4 GiB

33% slightly more memory

Memory Bus Width

Number of parallel lines to the memory chips

384 Bit

49% significantly larger memory bus width

256 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

288 GB/s

7099% significantly higher memory bandwidth

4 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

250 W

190 W

31% slightly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

32 Gigapixels/s

3% slightly higher pixel rate

31.04 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

128 Gigatexels/s

17% slightly higher texture rate

108.6 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

4.10 TFLOPS

17% slightly better floating point performance

3.48 TFLOPS

Shading Units

Number of processors dedicated to shader processing

2048

14% slightly more shading units

1792

Texture Mapping Units

Number of processors dedicated to applying textures

128

14% slightly more texture mapping units

112

Render Output Processors

Number of processors dedicated to final pixel rendering

Identical

Other details

Rank

Ranking in the hardwareDB database

226th of 586

245th of 586

Family

The product line

Radeon R9 200 Series

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

OpenGL Support

Maximum version of OpenGL supported

4.5

4.6

Radeon R9 280X vs Radeon R9 380 specs and performance

In our benchmarks, the Radeon R9 280X beats the Radeon R9 380 in gaming performance.

Our database shows that the Radeon R9 380 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. Despite this, the Radeon R9 280X 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 380 has slightly more memory with 4 GiB of memory compared to 3 GiB. If you're planning at playing games at high resolutions with high-quality textures, you will need a lot of memory.

In addition, the Radeon R9 380 has a slightly lower TDP at 190 W when compared to the Radeon R9 280X at 250 W. Heat output doesn't match power consumption directly but, it's a good estimate.

In conclusion, all specs and GPU benchmarks considered, will recommend the Radeon R9 280X over the Radeon R9 380.