Radeon HD 4890 vs Radeon HD 8550G plus HD 8750M Dual Graphics

When comparing Radeon HD 4890 and Radeon HD 8550G plus HD 8750M Dual Graphics, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 4890 and Radeon HD 8550G plus HD 8750M Dual Graphics is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon HD 8550G plus HD 8750M Dual Graphics is a Laptop Graphics Card

Note: Radeon HD 8550G plus HD 8750M Dual Graphics 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 Radeon HD 8550G plus HD 8750M Dual Graphics here:

Main Specs

  Radeon HD 4890 Radeon HD 8550G plus HD 8750M Dual Graphics
Power consumption (TDP) 190 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 DDR3
Maximum RAM amount 1 GB
Display Connectors 2x DVI, 1x S-Video
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  • Radeon HD 4890 is used in Desktops, and Radeon HD 8550G plus HD 8750M Dual Graphics - in Laptops.
  • Core clock speed of Radeon HD 4890 is 130 MHz higher, than Radeon HD 8550G plus HD 8750M Dual Graphics.
  • Radeon HD 4890 is manufactured by 55 nm process technology, and Radeon HD 8550G plus HD 8750M Dual Graphics - by 32 / 28 nm process technology.
  • Memory clock speed of Radeon HD 4890 is 2100 MHz higher, than Radeon HD 8550G plus HD 8750M Dual Graphics.

Game benchmarks

high / 1080p 7−8 1−2
ultra / 1080p 4−5 0−1
QHD / 1440p 0−1 0−1
low / 720p 16−18 12−14
medium / 1080p 8−9 3−4
The average gaming FPS of Radeon HD 4890 in Assassin's Creed Odyssey is 83% more, than Radeon HD 8550G plus HD 8750M Dual Graphics.

Full Specs

  Radeon HD 4890 Radeon HD 8550G plus HD 8750M Dual Graphics
Architecture TeraScale
Code name RV790
Type Desktop Laptop
Release date 2 April 2009 1 August 2013
Pipelines 800 640
Core clock speed 850 MHz 720 / 825 MHz
Transistor count 959 million
Manufacturing process technology 55 nm 32 / 28 nm
Texture fill rate 34.00
Floating-point performance 1,360.0 gflops
Length 241 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 3900 MHz 1800 MHz
Memory bandwidth 124.8 GB/s
Shared memory -
DirectX 10.1 (10_1) DirectX 11, Shader 5.0
Shader Model 4.1
OpenGL 3.3
OpenCL 1.1
Vulkan N/A
Laptop size medium sized
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