AMD Radeon R7 260X vs AMD Radeon RX 640

Compare AMD Radeon R7 260X 2 GB vs AMD Radeon RX 640 4 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

Benchmark Score
Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

779 points

40% slightly better overall score

556 points

Flux Core frame rate

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

19 FPS

5 FPS significantly higher Flux Core frame rate

14 FPS

Electron frame rate

Randomly generated noise sphere test

11 FPS

2 FPS slightly higher Electron frame rate

9 FPS

City frame rate

Procedurally generated city scene with voxel rendering

16 FPS

4 FPS significantly higher City frame rate

13 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

6 FPS

2 FPS significantly higher Clouds frame rate

4 FPS

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Specifications

Core Clock Speed

Nominal chip frequency

1100 MHz

1% slightly higher core clock speed

1082 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1000 MHz

1287 MHz

28% slightly higher boost clock speed

Memory

Onboard memory size for textures and vertices

2 GiB

4 GiB

100% significantly more memory

Memory Bus Width

Number of parallel lines to the memory chips

128 Bit

100% significantly larger memory bus width

64 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

104 GB/s

85% significantly higher memory bandwidth

56 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

115 W

50 W

129% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

17.6 Gigapixels/s

20.6 Gigapixels/s

17% slightly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

61.6 Gigatexels/s

19% slightly higher texture rate

51.48 Gigatexels/s

Texture Mapping Units

Number of processors dedicated to applying textures

40% slightly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

Identical

Other details

Rank

Ranking in the hardwareDB database

283rd of 586

318th of 586

Family

The product line

Radeon R7 200 Series

Radeon 600 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

4.4

4.6

Radeon R7 260X vs Radeon RX 640 specs and performance

According to the hardwareDB Benchmark, the Radeon R7 260X GPU is faster than the Radeon RX 640 in gaming.

In our comparison, the Radeon R7 260X 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 RX 640 has a slightly higher boost clock speed. This is a frequency that can be reached if the GPU is cooled sufficiently and has enough power.

Next up, in terms of GPU memory, the Radeon RX 640 has significantly more memory with 4 GiB of memory compared to 2 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the Radeon RX 640 has a significantly lower TDP at 50 W when compared to the Radeon R7 260X at 115 W. Heat output doesn't match power consumption directly but, it's a good estimate.

In terms of raw gaming performance in our GPU benchmark, the Radeon R7 260X is better than the Radeon RX 640.