Radeon HD 7770 vs Radeon R9 M270X

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 7770 and Radeon R9 M270X. 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 7770 and Radeon R9 M270X. 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.

Main Specs

  Radeon HD 7770 Radeon R9 M270X
Interface PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs
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  • Radeon R9 M270X has 2 GB more memory, than Radeon HD 7770.
  • Both cards are used in Desktops.
  • Radeon HD 7770 is build with GCN architecture, and Radeon R9 M270X - with GCN 1.0.
  • Core clock speed of Radeon HD 7770 is 275 MHz higher, than Radeon R9 M270X.
  • Radeon HD 7770 and Radeon R9 M270X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7770 is 3375 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 10−11 6−7
ultra / 1080p 6−7 4−5
QHD / 1440p 1−2 0−1
low / 720p 24−27 16−18
medium / 1080p 12−14 8−9
The average gaming FPS of Radeon HD 7770 in Assassin's Creed Odyssey is 44% more, than Radeon R9 M270X.

Full Specs

  Radeon HD 7770 Radeon R9 M270X
Architecture GCN GCN 1.0
Code name Cape Verde Venus
Type Desktop Desktop
Release date 15 February 2012 21 March 2014
Pipelines 640 640
Core clock speed 1000 MHz 725 MHz
Boost Clock 775 MHz
Transistor count 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 31.00
Floating-point performance 1,536 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 4500 MHz 1125 MHz
Memory bandwidth 72 GB/s
Shared memory -
DirectX DirectX 11.1, Shader 5.1
Shader Model 5.1
OpenGL 4.4
OpenCL Not Listed
FreeSync +
Bus support PCIe 3.0 x16
Bitcoin / BTC (SHA256) 156 Mh/s
Eyefinity + +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
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