AMD Radeon R5 340 vs AMD Radeon R7 450

Compare AMD Radeon R5 340 vs AMD Radeon R7 450 2 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

241 points

297 points

23% slightly better overall score

Flux Core frame rate

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

6 FPS

8 FPS

2 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

3 FPS

4 FPS

1 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

5 FPS

6 FPS

1 FPS slightly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

2 FPS

Identical

2 FPS

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

5498 points

10702 points

94% significantly higher Geekbench 5 (OpenCL) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

5434 points

10058 points

85% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

4578 points

8478 points

85% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

730 MHz

1050 MHz

43% significantly higher core clock speed

Memory Bus Width

Number of parallel lines to the memory chips

64 Bit

128 Bit

100% significantly larger memory bus width

Memory Bandwidth

Data transfer speed between GPU core and memory

36.8 GB/s

72 GB/s

95% significantly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

65 W

Identical

65 W

Pixel Rate

Number of pixels that can be rendered per second

6.24 Gigapixels/s

14.8 Gigapixels/s

137% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

18.72 Gigatexels/s

29.6 Gigatexels/s

58% significantly higher texture rate

Shading Units

Number of processors dedicated to shader processing

384

512

33% slightly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

33% slightly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

100% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

408th of 597

385th of 597

Release date

The official date of release of this chip

2015 May

2016 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

4.6

4.3

Radeon R5 340 vs Radeon R7 450 benchmarks

In our benchmarks, the Radeon R7 450 beats the Radeon R5 340 in gaming performance.

Our database shows that the Radeon R7 450 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, both the Radeon R5 340 and the Radeon R7 450 have an identical TDP. 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 R7 450 is better than the Radeon R5 340.