Quadro CX vs Radeon HD 7990

Find out if it is worth upgrading your current GPU setup by comparing Quadro CX and Radeon HD 7990. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Quadro CX and Radeon HD 7990. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Main Specs

  Quadro CX Radeon HD 7990
Power consumption (TDP) 150 Watt 375 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin 2x 8-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 1536 MB 3 GB
Display Connectors 1x DVI, 2x DisplayPort, 1x S-Video 1x DVI, 4x mini-DisplayPort
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  • Radeon HD 7990 has 150% more power consumption, than Quadro CX.
  • Quadro CX is connected by PCIe 2.0 x16, and Radeon HD 7990 uses PCIe 3.0 x16 interface.
  • Quadro CX has 1533 GB more memory, than Radeon HD 7990.
  • Both cards are used in Desktops.
  • Quadro CX is build with Tesla 2.0 architecture, and Radeon HD 7990 - with GCN 1.0.
  • Core clock speed of Radeon HD 7990 is 348 MHz higher, than Quadro CX.
  • Quadro CX is manufactured by 55 nm process technology, and Radeon HD 7990 - by 28 nm process technology.
  • Radeon HD 7990 is 40 mm longer, than Quadro CX.
  • Memory clock speed of Radeon HD 7990 is 4400 MHz higher, than Quadro CX.

Game benchmarks

high / 1080p 1−2 35−40
ultra / 1080p 0−1 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 10−12 60−65
medium / 1080p 2−3 40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 840% more, than Quadro CX.

Full Specs

  Quadro CX Radeon HD 7990
Architecture Tesla 2.0 GCN 1.0
Code name GT200B Malta
Type Workstation Desktop
Release date 11 November 2008 24 April 2013
Pipelines 192 2048
Core clock speed 602 MHz 950 MHz
Boost Clock 1000 MHz
Transistor count 1,400 million 4,313 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 38.53 128.0
Floating-point performance 462.3 gflops 2x 4,096 gflops
Length 267 mm 307 mm
Memory bus width 384 Bit 384 Bit
Memory clock speed 1600 MHz 6000 MHz
Memory bandwidth 76.8 GB/s 288.0 GB/s
DirectX 11.1 (10_0) 12 (11_1)
Shader Model 4.0 5.1
OpenGL 3.3 4.6
OpenCL 1.1 1.2
Vulkan N/A 1.2.131
CUDA 1.3
Bitcoin / BTC (SHA256) 459 Mh/s
Ethereum / ETH (DaggerHashimoto) 44 Mh/s
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