Qualcomm Adreno 680 vs Radeon HD 7990

When choosing between Qualcomm Adreno 680 and Radeon HD 7990, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Qualcomm Adreno 680 and Radeon HD 7990.

Qualcomm Adreno 680 is a Laptop Graphics Card

Note: Qualcomm Adreno 680 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Qualcomm Adreno 680 here:

Main Specs

  Qualcomm Adreno 680 Radeon HD 7990
Power consumption (TDP) 375 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 2x 8-pin
Memory type GDDR5
Maximum RAM amount 3 GB
Display Connectors 1x DVI, 4x mini-DisplayPort
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  • Qualcomm Adreno 680 is used in Laptops, and Radeon HD 7990 - in Desktops.
  • Qualcomm Adreno 680 is manufactured by 7 nm process technology, and Radeon HD 7990 - by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 35−40
ultra / 1080p 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 1−2 60−65
medium / 1080p 0−1 40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 6100% more, than Qualcomm Adreno 680.

Full Specs

  Qualcomm Adreno 680 Radeon HD 7990
Architecture GCN 1.0
Code name Malta
Type Laptop Desktop
Release date 6 December 2018 24 April 2013
Pipelines 2048
Core clock speed 950 MHz
Boost Clock 1000 MHz
Transistor count 4,313 million
Manufacturing process technology 7 nm 28 nm
Texture fill rate 128.0
Floating-point performance 2x 4,096 gflops
Length 307 mm
Memory bus width 384 Bit
Memory clock speed 6000 MHz
Memory bandwidth 288.0 GB/s
Shared memory +
DirectX DirectX 12 12 (11_1)
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
Bitcoin / BTC (SHA256) 459 Mh/s
Ethereum / ETH (DaggerHashimoto) 44 Mh/s
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