AMD Radeon R9 270 vs AMD Radeon R9 280X

Compare AMD Radeon R9 270 2 GB vs AMD Radeon R9 280X 3 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

807 points

1687 points

109% significantly better overall score

Flux Core frame rate

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

19 FPS

40 FPS

21 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

12 FPS

25 FPS

13 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

17 FPS

35 FPS

18 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

6 FPS

14 FPS

8 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

1610 points

2350 points

45% significantly higher 3DMark Graphics score

Specifications

Core Clock Speed

Nominal chip frequency

900 MHz

5% slightly higher core clock speed

850 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

925 MHz

1000 MHz

8% slightly higher boost clock speed

Memory

Onboard memory size for textures and vertices

2 GiB

3 GiB

49% significantly more memory

Memory Bus Width

Number of parallel lines to the memory chips

256 Bit

384 Bit

49% significantly larger memory bus width

Memory Bandwidth

Data transfer speed between GPU core and memory

2 GB/s

288 GB/s

14300% significantly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

150 W

66% significantly lower TDP

250 W

Pixel Rate

Number of pixels that can be rendered per second

29.6 Gigapixels/s

32 Gigapixels/s

8% slightly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

74 Gigatexels/s

128 Gigatexels/s

72% significantly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

2.37 TFLOPS

4.10 TFLOPS

72% significantly better floating point performance

Shading Units

Number of processors dedicated to shader processing

1280

2048

60% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

128

60% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

Identical

Other details

Rank

Ranking in the hardwareDB database

279th of 586

226th of 586

Family

The product line

Radeon R9 200 Series

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

4.6

4.5

Radeon R9 270 vs Radeon R9 280X benchmarks

For gaming, the Radeon R9 280X graphics card is better than the Radeon R9 270 in our tests.

In our comparison, the Radeon R9 270 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. 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.

Furthermore, the spec sheet for both these GPUs show that the Radeon R9 280X has significantly more memory with 3 GiB of memory compared to 2 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 270 has a significantly lower TDP at 150 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.

According to the results of the hardwareDB benchmark utility, the Radeon R9 280X is faster than the Radeon R9 270.