NVIDIA Quadro K620 vs AMD Radeon RX 7900 XTX

Compare NVIDIA Quadro K620 2 GB vs AMD Radeon RX 7900 XTX 24 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

Benchmark Score
Other Benchmarks
Specifications
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GPU Comparison

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AMD Radeon RX 7900 XTX

Price

The cheapest price from our partner retailers

$ 70.99

$ 792.64 significantly less expensive

$ 863.63

Benchmark Score

Overall Score

General gaming and workstation score

306 points

24895 points

8035% significantly better overall score

Flux Core frame rate

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

7 FPS

529 FPS

522 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

5 FPS

351 FPS

346 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

4 FPS

477 FPS

474 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

4 FPS

207 FPS

204 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

58.07 points

4050.95 points

6876% significantly higher Blender score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

6697 points

212685 points

3075% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

5877 points

238996 points

3966% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

1000 MHz

1855 MHz

85% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1124 MHz

2500 MHz

122% significantly higher boost clock speed

Memory

Onboard memory size for textures and vertices

2 GiB

24 GiB

1100% significantly more memory

Memory Bus Width

Number of parallel lines to the memory chips

128 Bit

384 Bit

200% significantly larger memory bus width

Memory Bandwidth

Data transfer speed between GPU core and memory

28.8 GB/s

960 GB/s

3233% significantly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

45 W

688% significantly lower TDP

355 W

Pixel Rate

Number of pixels that can be rendered per second

17.98 Gigapixels/s

480 Gigapixels/s

2569% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

26.98 Gigatexels/s

960 Gigatexels/s

3458% significantly higher texture rate

Shading Units

Number of processors dedicated to shader processing

384

6144

1500% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

384

1500% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

192

1100% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

375th of 586

3rd of 586

Family

The product line

Radeon RX 7000 Series

Release date

The official date of release of this chip

2014 July

2022 December

Memory Type

The type of memory used by this chip

DDR3

GDDR6

DirectX Support

Maximum version of DirectX supported

11.0

12.0

OpenGL Support

Maximum version of OpenGL supported

4.5

4.6

Quadro K620 vs Radeon RX 7900 XTX comparison

According to the hardwareDB Benchmark, the Radeon RX 7900 XTX GPU is faster than the Quadro K620 in gaming.

The Radeon RX 7900 XTX 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, the Radeon RX 7900 XTX also has a significantly higher boost clock speed. This is a frequency that can be reached if the GPU is cooled sufficiently and has enough power.

As stated by the manufacturer, the Radeon RX 7900 XTX has significantly more memory with 24 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 Radeon RX 7900 XTX at 355 W. TDP (Thermal Design Power) measures total heat output from the chip.

According to the results of the hardwareDB benchmark utility, the Radeon RX 7900 XTX is faster than the Quadro K620.