Iris Graphics 5100 vs Radeon HD 7990

Find out if it is worth upgrading your current GPU setup by comparing Iris Graphics 5100 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 Iris Graphics 5100 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.

Iris Graphics 5100 is a Laptop Graphics Card

Note: Iris Graphics 5100 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 Iris Graphics 5100 here:

Main Specs

  Iris Graphics 5100 Radeon HD 7990
Power consumption (TDP) 30 Watt 375 Watt
Interface PCIe 1.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 8-pin
Memory type System Shared GDDR5
Maximum RAM amount 3 GB
Display Connectors No outputs 1x DVI, 4x mini-DisplayPort
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  • Radeon HD 7990 has 1150% more power consumption, than Iris Graphics 5100.
  • Iris Graphics 5100 is connected by PCIe 1.0 x16, and Radeon HD 7990 uses PCIe 3.0 x16 interface.
  • Iris Graphics 5100 is used in Laptops, and Radeon HD 7990 - in Desktops.
  • Iris Graphics 5100 is build with Gen. 7.5 Haswell architecture, and Radeon HD 7990 - with GCN 1.0.
  • Core clock speed of Radeon HD 7990 is 750 MHz higher, than Iris Graphics 5100.
  • Iris Graphics 5100 is manufactured by 22 nm process technology, and Radeon HD 7990 - by 28 nm process technology.

Game benchmarks

high / 1080p 3−4 35−40
ultra / 1080p 1−2 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 14−16 60−65
medium / 1080p 5−6 40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 583% more, than Iris Graphics 5100.

Full Specs

  Iris Graphics 5100 Radeon HD 7990
Architecture Gen. 7.5 Haswell GCN 1.0
Code name Haswell GT3 Malta
Type Laptop Desktop
Release date 5 June 2013 24 April 2013
Pipelines 40 2048
Core clock speed 200 MHz 950 MHz
Boost Clock 1200 MHz 1000 MHz
Transistor count 1,300 million 4,313 million
Manufacturing process technology 22 nm 28 nm
Texture fill rate 48.00 128.0
Floating-point performance 2x 4,096 gflops
Length 307 mm
Memory bus width 64/128 Bit 384 Bit
Memory clock speed 6000 MHz
Memory bandwidth 288.0 GB/s
Shared memory +
DirectX 12 (11_1) 12 (11_1)
Shader Model 5.1 5.1
OpenGL 4.3 4.6
OpenCL 1.2 1.2
Vulkan 1.1.80 1.2.131
Bitcoin / BTC (SHA256) 459 Mh/s
Ethereum / ETH (DaggerHashimoto) 44 Mh/s
Quick Sync +
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