Radeon HD 5770 vs Radeon HD 8770M

When comparing Radeon HD 5770 and Radeon HD 8770M, 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 5770 and Radeon HD 8770M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon HD 8770M is a Laptop Graphics Card

Note: Radeon HD 8770M 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 8770M here:

Main Specs

  Radeon HD 5770 Radeon HD 8770M
Power consumption (TDP) 108 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Radeon HD 5770 is connected by PCIe 2.0 x16, and Radeon HD 8770M uses PCIe 3.0 x8 interface.
  • Radeon HD 8770M has 1 GB more memory, than Radeon HD 5770.
  • Radeon HD 5770 is used in Desktops, and Radeon HD 8770M - in Laptops.
  • Radeon HD 5770 is build with Terascale 2 architecture, and Radeon HD 8770M - with GCN.
  • Core clock speed of Radeon HD 5770 is 75 MHz higher, than Radeon HD 8770M.
  • Radeon HD 5770 is manufactured by 40 nm process technology, and Radeon HD 8770M - by 28 nm process technology.
  • Memory clock speed of Radeon HD 5770 is 300 MHz higher, than Radeon HD 8770M.

Game benchmarks

high / 1080p 8−9 7−8
ultra / 1080p 5−6 4−5
QHD / 1440p 0−1 0−1
low / 720p 18−20 16−18
medium / 1080p 10−11 8−9
The average gaming FPS of Radeon HD 5770 in Assassin's Creed Odyssey is 11% more, than Radeon HD 8770M.

Full Specs

  Radeon HD 5770 Radeon HD 8770M
Architecture Terascale 2 GCN
Code name Juniper Mars
Type Desktop Laptop
Release date 13 October 2009 16 November 2012
Pipelines 800 384
Core clock speed 850 MHz 775 MHz
Boost Clock 825 MHz
Transistor count 1,040 million 950 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 34.00 19.80
Floating-point performance 1,360.0 gflops 633.6 gflops
Length 208 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 4800 MHz 4500 MHz
Memory bandwidth 76.8 GB/s 72 GB/s
Shared memory -
DirectX 11.2 (11_0) 12 (11_1)
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan N/A 1.2.131
Laptop size medium sized
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