Asus Radeon R9 390 DirectCU II vs Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice
Performance
GPU clock speed
The graphics processing unit (GPU) has a higher clock speed.
- Asus Radeon R9 390 DirectCU II 1000MHz
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 2295
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GPU turbo
When the GPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance.
- Asus Radeon R9 390 DirectCU II null
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 2700
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Pixel rate
The number of pixels that can be rendered to the screen every second.
- Asus Radeon R9 390 DirectCU II 64 GPixel/s
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 302.4
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Floating-point performance
Floating-point performance is a measurement of the raw processing power of the GPU.
- Asus Radeon R9 390 DirectCU II 5.12 TFLOPS
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 55.3
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Texture rate
The number of textured pixels that can be rendered to the screen every second.
- Asus Radeon R9 390 DirectCU II 160 GTexels/s
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 864
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GPU memory speed
The memory clock speed is one aspect that determines the memory bandwidth.
- Asus Radeon R9 390 DirectCU II 1500MHz
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 1438
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Shading units
Shading units (or stream processors) are small processors within the graphics card that are responsible for processing different aspects of the image.
- Asus Radeon R9 390 DirectCU II 2560
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 10240
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Texture mapping units (TMUs)
TMUs take textures and map them to the geometry of a 3D scene. More TMUs will typically mean that texture information is processed faster.
- Asus Radeon R9 390 DirectCU II 160
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 320
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Render output units (ROPs)
The ROPs are responsible for some of the final steps of the rendering process, writing the final pixel data to memory and carrying out other tasks such as anti-aliasing to improve the look of graphics.
- Asus Radeon R9 390 DirectCU II 64
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 112
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Has Double Precision Floating Point (DPFP)
Generally, single precision floating point arithmetic deals with 32-bit floating point numbers, whereas double precision deals with 64-bit units, increasing the accuracy of calculations. For GPUs, a double precision floating point (or FP64) is useful for general-purpose computing (GPGPU) such as scientific research, data modeling, as it provides a higher degree of precision when making calculations.
- Asus Radeon R9 390 DirectCU II
- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice
Memory
Effective memory speed
The effective memory clock speed is calculated from the size and data rate of the memory. Higher clock speeds can give increased performance in games and other apps.
- Asus Radeon R9 390 DirectCU II 6000MHz
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 23000
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Maximum memory bandwidth
This is the maximum rate that data can be read from or stored into memory.
- Asus Radeon R9 390 DirectCU II 384GB/s
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 736.3
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VRAM
VRAM (video RAM) is the dedicated memory of a graphics card. More VRAM generally allows you to run games at higher settings, especially for things like texture resolution.
- Asus Radeon R9 390 DirectCU II 8GB
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 16
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GDDR version
Newer versions of GDDR memory offer improvements such as higher transfer rates that give increased performance.
- Asus Radeon R9 390 DirectCU II gddr5
- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice gddr6x
Memory bus width
A wider bus width means that it can carry more data per cycle. It is an important factor of memory performance, and therefore the general performance of the graphics card.
- Asus Radeon R9 390 DirectCU II 512bit
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 256
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Supports ECC memory
Error-correcting code memory can detect and correct data corruption. It is used when is it essential to avoid corruption, such as scientific computing or when running a server.
- Asus Radeon R9 390 DirectCU II
- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice
Features
DirectX version
DirectX is used in games, with newer versions supporting better graphics.
- Asus Radeon R9 390 DirectCU II 12
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice null
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OpenGL version
OpenGL is used in games, with newer versions supporting better graphics.
- Asus Radeon R9 390 DirectCU II 4.5
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 4.6
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OpenCL version
Some apps use OpenCL to apply the power of the graphics processing unit (GPU) for non-graphical computing. Newer versions introduce more functionality and better performance.
- Asus Radeon R9 390 DirectCU II 2.1
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 3
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Supports ray tracing
Ray tracing is an advanced light rendering technique that provides more realistic lighting, shadows, and reflections in games.
- Asus Radeon R9 390 DirectCU II
- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice
Supports DLSS
DLSS (Deep Learning Super Sampling) is an upscaling technology powered by AI. It allows the graphics card to render games at a lower resolution and upscale them to a higher resolution with near-native visual quality and increased performance. DLSS is only available on select games.
- Asus Radeon R9 390 DirectCU II
- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice
AMD SAM / Intel Resizable BAR
AMD's Smart Access Memory (SAM) and Intel's Resizable BAR are two technologies that allow the CPU to have faster access to the graphics card, which can give a performance boost. It requires a compatible motherboard, graphics card, and CPU.
- Asus Radeon R9 390 DirectCU II null
- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice bar
Has LHR
Nvidia's Lite Hash Rate (LHR) technology limits the ability to use a graphics card for cryptocurrency mining. Gaming performance is unaffected.
- Asus Radeon R9 390 DirectCU II
- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice
Multi-GPU
The number of GPUs supported when using a multi-GPU configuration. Using more than one GPU in parallel can give increased performance.
- Asus Radeon R9 390 DirectCU II 4
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice null
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Has RGB lighting
RGB lighting allows you to choose between millions of colors and customize the look of your PC components.
- Asus Radeon R9 390 DirectCU II
- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice
Supported displays
Using multiple displays you can create a larger workspace, making it easier to work across multiple apps.
- Asus Radeon R9 390 DirectCU II 6
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 4
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Ports
HDMI ports
More HDMI ports mean that you can simultaneously connect numerous devices, such as video game consoles and set-top boxes.
- Asus Radeon R9 390 DirectCU II null
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 1
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HDMI version
Newer versions of HDMI support higher bandwidth, which allows for higher resolutions and frame rates.
- Asus Radeon R9 390 DirectCU II null
- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice hdmi_2_1_a
DisplayPort outputs
Allows you to connect to a display using DisplayPort.
- Asus Radeon R9 390 DirectCU II 1
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 3
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DVI outputs
Allows you to connect to a display using DVI.
- Asus Radeon R9 390 DirectCU II 2
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 0
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General info
Thermal Design Power (TDP)
The thermal design power (TDP) is the maximum amount of power the cooling system needs to dissipate. A lower TDP typically means that it consumes less power.
- Asus Radeon R9 390 DirectCU II 275W
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice null
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Number of transistors
A higher transistor count generally indicates a newer, more powerful processor.
- Asus Radeon R9 390 DirectCU II 6200%{count} million
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 320
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Semiconductor size
Small semiconductors provide better performance and reduced power consumption. Chipsets with a higher number of transistors, semiconductor components of electronic devices, offer more computational power. A small form factor allows more transistors to fit on a chip, therefore increasing its performance.
- Asus Radeon R9 390 DirectCU II 28nm
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 45900
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PCI Express (PCIe) version
Peripheral Component Interconnect Express (PCIe) is a high-speed interface standard for connecting components, such as graphics cards and SSDs, to a motherboard. Newer versions can support more bandwidth and deliver better performance.
- Asus Radeon R9 390 DirectCU II 3
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 5
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Warranty period
When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction. Note: This may vary by region.
- Asus Radeon R9 390 DirectCU II null
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 4
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Width
The width represents the horizontal dimension of the product.
- Asus Radeon R9 390 DirectCU II 287mm
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice null
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Height
The height represents the vertical dimension of the product.
- Asus Radeon R9 390 DirectCU II null
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- Gigabyte Aorus GeForce RTX 4080 Super Xtreme Ice 357
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