GeForce GT 755M vs Radeon HD 7770M

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 755M and Radeon HD 7770M. 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 GeForce GT 755M and Radeon HD 7770M. 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.

GeForce GT 755M and Radeon HD 7770M are Laptop Graphics Cards

Note: GeForce GT 755M and Radeon HD 7770M are only used in laptop graphics. They have 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 GeForce GT 755M or Radeon HD 7770M here:

Main Specs

  GeForce GT 755M Radeon HD 7770M
Power consumption (TDP) 50 Watt 32 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 1 GB
Display Connectors No outputs No outputs
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  • GeForce GT 755M has 56% more power consumption, than Radeon HD 7770M.
  • GeForce GT 755M is connected by PCIe 3.0 x16, and Radeon HD 7770M uses PCIe 2.0 x16 interface.
  • GeForce GT 755M has 3 GB more memory, than Radeon HD 7770M.
  • Both cards are used in Laptops.
  • GeForce GT 755M is build with Kepler architecture, and Radeon HD 7770M - with GCN.
  • Core clock speed of GeForce GT 755M is 305 MHz higher, than Radeon HD 7770M.
  • GeForce GT 755M and Radeon HD 7770M are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GT 755M is 1400 MHz higher, than Radeon HD 7770M.

Game benchmarks

high / 1080p 7−8 9−10
ultra / 1080p 4−5 5−6
QHD / 1440p 0−1 0−1
low / 720p 18−20 21−24
medium / 1080p 9−10 10−12
The average gaming FPS of Radeon HD 7770M in Assassin's Creed Odyssey is 20% more, than GeForce GT 755M.

Full Specs

  GeForce GT 755M Radeon HD 7770M
Architecture Kepler GCN
Code name N14P- Chelsea XT
Type Laptop Laptop
Release date 25 June 2013 24 April 2012
Pipelines 384 512
Core clock speed 980 MHz 675 MHz
Transistor count 1,270 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 31.36 21.60
Floating-point performance 752.6 gflops 691.2 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 5400 MHz 4000 MHz
Memory bandwidth 86.4 GB/s 64 GB/s
Shared memory - -
DirectX 12 API 12 (11_1)
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.2
Vulkan 1.1.126 1.2.131
CUDA +
Bus support PCI Express 3.0, PCI Express 2.0
HDMI +
Bitcoin / BTC (SHA256) 27 Mh/s
Laptop size medium sized medium sized
Standard memory configuration GDDR5
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus +
Blu-Ray 3D Support +
3D Vision / 3DTV Play +
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