NVIDIA GeForce GTX 970 vs NVIDIA Quadro K620

Compare NVIDIA GeForce GTX 970 4 GB vs NVIDIA Quadro K620 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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NVIDIA Quadro K620

Price

The cheapest price from our partner retailers

$ 369.00

$ 70.99

$ 298.01 significantly less expensive

Benchmark Score

Overall Score

General gaming and workstation score

2262 points

639% significantly better overall score

306 points

Flux Core frame rate

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

47 FPS

40 FPS significantly higher Flux Core frame rate

7 FPS

Electron frame rate

Randomly generated noise sphere test

35 FPS

30 FPS significantly higher Electron frame rate

5 FPS

City frame rate

Procedurally generated city scene with voxel rendering

31 FPS

27 FPS significantly higher City frame rate

4 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

28 FPS

24 FPS significantly higher Clouds frame rate

4 FPS

Free GPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

289.94 points

399% significantly higher Blender score

58.07 points

Geekbench 5 (CUDA) score

CUDA compute benchmark

25908 points

289% significantly higher Geekbench 5 (CUDA) score

6653 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

29153 points

324% significantly higher Geekbench 5 (OpenCL) score

6869 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

34107 points

419% significantly higher Geekbench 5 (Vulkan) score

6567 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

29277 points

337% significantly higher Geekbench 6 (OpenCL) score

6697 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

32348 points

450% significantly higher Geekbench 6 (Vulkan) score

5877 points

Specifications

Core Clock Speed

Nominal chip frequency

1050 MHz

5% slightly higher core clock speed

1000 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1178 MHz

4% slightly higher boost clock speed

1124 MHz

Memory

Onboard memory size for textures and vertices

4 GiB

100% significantly more memory

2 GiB

Memory Bus Width

Number of parallel lines to the memory chips

256 Bit

100% significantly larger memory bus width

128 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

224.4 GB/s

679% significantly higher memory bandwidth

28.8 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

145 W

45 W

222% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

65.97 Gigapixels/s

266% significantly higher pixel rate

17.98 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

122.5 Gigatexels/s

354% significantly higher texture rate

26.98 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

1664

333% significantly more shading units

384

Texture Mapping Units

Number of processors dedicated to applying textures

104

333% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

250% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

193rd of 586

375th of 586

Release date

The official date of release of this chip

2014 September

2014 July

Memory Type

The type of memory used by this chip

GDDR5

DDR3

DirectX Support

Maximum version of DirectX supported

12.0

11.0

OpenGL Support

Maximum version of OpenGL supported

4.5

GeForce GTX 970 vs Quadro K620 comparison

According to the hardwareDB Benchmark, the GeForce GTX 970 GPU is faster than the Quadro K620 in gaming.

The GeForce GTX 970 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 GeForce GTX 970 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.

As stated by the manufacturer, the GeForce GTX 970 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 Quadro K620 has a significantly lower TDP at 45 W when compared to the GeForce GTX 970 at 145 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 GeForce GTX 970 is better than the Quadro K620.