AMD Radeon HD 8790M vs NVIDIA GeForce RTX 4090

Compare AMD Radeon HD 8790M 2 GB vs NVIDIA GeForce RTX 4090 24 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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Benchmark Score

Overall Score

General gaming and workstation score

46 points

33119 points

71897% significantly better overall score

Flux Core frame rate

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

2 FPS

787 FPS

785 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

0 FPS

382 FPS

381 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

1 FPS

567 FPS

566 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

0 FPS

318 FPS

318 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

4741 points

318192 points

6611% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

6895 points

273214 points

3862% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

850 MHz

2235 MHz

162% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

850 MHz

2520 MHz

196% 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

64 GB/s

1010 GB/s

1478% significantly higher memory bandwidth

Pixel Rate

Number of pixels that can be rendered per second

7.2 Gigapixels/s

483.8 Gigapixels/s

6619% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

21.6 Gigatexels/s

1290 Gigatexels/s

5872% significantly higher texture rate

Shading Units

Number of processors dedicated to shader processing

384

16384

4166% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

512

2033% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

192

2299% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

546th of 586

2nd of 586

Family

The product line

Radeon HD 8000M Series

Release date

The official date of release of this chip

2022 October

Memory Type

The type of memory used by this chip

GDDR5

GDDR6X

DirectX Support

Maximum version of DirectX supported

11.1

12.0

OpenGL Support

Maximum version of OpenGL supported

4.4

4.6

Radeon HD 8790M vs GeForce RTX 4090 comparison

In our benchmarks, the GeForce RTX 4090 beats the Radeon HD 8790M in gaming performance.

In our comparison, the GeForce RTX 4090 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 GeForce RTX 4090 also has a significantly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

Next up, in terms of GPU memory, the GeForce RTX 4090 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.

According to the results of the hardwareDB benchmark utility, the GeForce RTX 4090 is faster than the Radeon HD 8790M.