Radeon HD 5850 vs Radeon R7 A265

When choosing between Radeon HD 5850 and Radeon R7 A265, 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 Radeon HD 5850 and Radeon R7 A265.

Main Specs

  Radeon HD 5850 Radeon R7 A265
Power consumption (TDP) 151 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Supplementary power connectors 2x 6-pin
Memory type GDDR5 DDR3
Maximum RAM amount 1 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Radeon HD 5850 is connected by PCIe 2.0 x16, and Radeon R7 A265 uses PCIe 3.0 x8 interface.
  • Radeon R7 A265 has 1 GB more memory, than Radeon HD 5850.
  • Both cards are used in Desktops.
  • Radeon HD 5850 is build with Terascale 2 architecture, and Radeon R7 A265 - with GCN 1.0.
  • Both graphics cards have the same core clock speed.
  • Radeon HD 5850 is manufactured by 40 nm process technology, and Radeon R7 A265 - by 28 nm process technology.
  • Memory clock speed of Radeon HD 5850 is 200 MHz higher, than Radeon R7 A265.

Game benchmarks

high / 1080p 9−10 1−2
ultra / 1080p 5−6 0−1
QHD / 1440p 0−1 0−1
low / 720p 21−24 12−14
medium / 1080p 12−14 3−4
The average gaming FPS of Radeon HD 5850 in Assassin's Creed Odyssey is 150% more, than Radeon R7 A265.

Full Specs

  Radeon HD 5850 Radeon R7 A265
Architecture Terascale 2 GCN 1.0
Code name Cypress Opal
Type Desktop Desktop
Release date 30 September 2009 9 January 2014
Pipelines 1440 384
Core clock speed 725 MHz 725 MHz
Boost Clock 825 MHz
Transistor count 2,154 million 950 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 52.20 19.80
Floating-point performance 2,088.0 gflops 633.6 gflops
Length 241 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 2000 MHz 1800 MHz
Memory bandwidth 128.0 GB/s 28.8 GB/s
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
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