Radeon HD 6550A vs Radeon R9 M385X

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6550A and Radeon R9 M385X. 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 Radeon HD 6550A and Radeon R9 M385X. 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.

Radeon R9 M385X is a Laptop Graphics Card

Note: Radeon R9 M385X 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 R9 M385X here:

Main Specs

  Radeon HD 6550A Radeon R9 M385X
Power consumption (TDP) 35 Watt
Interface MXM-A (3.0) PCIe 3.0 x16
Memory type GDDR3 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs No outputs
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  • Radeon HD 6550A is connected by MXM-A (3.0), and Radeon R9 M385X uses PCIe 3.0 x16 interface.
  • Radeon R9 M385X has 2 GB more memory, than Radeon HD 6550A.
  • Radeon HD 6550A is used in Desktops, and Radeon R9 M385X - in Laptops.
  • Radeon HD 6550A is build with TeraScale 2 architecture, and Radeon R9 M385X - with GCN.
  • Core clock speed of Radeon R9 M385X is 550 MHz higher, than Radeon HD 6550A.
  • Radeon HD 6550A is manufactured by 40 nm process technology, and Radeon R9 M385X - by 28 nm process technology.
  • Memory clock speed of Radeon HD 6550A is 100 MHz higher, than Radeon R9 M385X.

Game benchmarks

high / 1080p 0−1 8−9
ultra / 1080p 5−6
QHD / 1440p 0−1 0−1
low / 720p 1−2 18−20
medium / 1080p 0−1 10−11
The average gaming FPS of Radeon R9 M385X in Assassin's Creed Odyssey is 1800% more, than Radeon HD 6550A.

Full Specs

  Radeon HD 6550A Radeon R9 M385X
Architecture TeraScale 2 GCN
Code name Pinewood Strato-XT-M3
Type Desktop Laptop
Release date 7 February 2011 16 June 2015
Pipelines 480 896
Core clock speed 550 MHz 1100 MHz
Boost Clock 1100 MHz
Transistor count 627 million 2,080 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 13.20 61.60
Floating-point performance 624.0 gflops 1,971 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 1600 MHz 1500 MHz
Memory bandwidth 25.6 GB/s 76.8 GB/s
Shared memory -
DirectX 11.2 (11_0)
Shader Model 5.0 6.3
OpenGL 4.4 4.4
OpenCL 1.2 Not Listed
Vulkan N/A
FreeSync +
Bus support PCIe 3.0
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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